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A History of QualitySince 1960, Burns Engineering has beenan industry leader in the design andmanufacture of temperature sensors forthe industrial market place. During thattime, product quality and customer servicealong with innovative design techniqueshave been top priorities in the BurnsEngineering business philosophy. Thissame Burns quality is built into the Series300, a thin film RTD designed for OEM andprocess applications.

While Burns wire wound RTDs areextremely durable, Series 300 thin filmRTDs offer even more durability for extrarugged conditions. Because of theirintrinsic design, Burns wire wound RTDswill offer higher stability and accuracy thanthin film RTDs. Series 300 is the bestchoice for heavy-duty applications, wheredurability and economy are priorities.

Designed For Tough Industrial Environments ThatRange From -50°C to 200°C ( -58°F to 392°F)

Series 300…Thin Film RTD Techn

A second seal is used to preventmoisture and other contaminatesfrom entering the sheath.

Designed For Durability and EconomyThe Series 300 is an “off-the-shelf” RTD specifically designedfrom the inside out to meet the real world conditions of industrialenvironments with the stability not found in thermocouples.

Take a close look at the design and construction features that allowthe Series 300 to hold its performance specifications under thetoughest industrial environments and at a reasonable price.

ology

Thin film platinumRTD element isencapsulated with a special pottingmaterial forprotection fromshock, vibration,moisture and lead-wire breakage.

Lead wires are supported with a highpurity ceramic powder to eliminateany movement that could causedamage to the thin-film element.

A seal around the thin-film element and thelead wire junctionscompletely seals outmoisture and addsmechanical protection to the lead wire elementconnections.

Type 316L stainless steelsheath and threaded fitting areTIG welded to resist corrosion.

Type “A” General Purpose Direct Immersion Assembly—Page 6Suitable for mounting bare or in a well into tanks, pipes, ovens, furnaces, ducts, kilns, process vesselsand more.

Type “C” Spring Loaded for Thermowell Assembly—Page 9Ideal for flow rates or product viscosity that would damage a direct immersion probe. Spring loadingprovides protection from strong vibrations. Element can be easily removed from the thermowellwithout removing the connection head, extension nipple, or related conduit and wiring.

Type “K” Bayonet, Twist-lock, Spring Loaded for Thermowell Assembly—Page 9Features easy access to the element with its quarter-turn bayonet lock fitting which engages with theBurns number 5 explosion proof connection head or number 3 waterproof connection head.

Type “L” Spring Loaded Hex Fitting for Thermowells—Page 12Features Burns’ self contained spring loaded hex fitting. This makes it ideal for mating to virtually anyconnection head or transmitter assembly.

Type “D” Capsule Style With Plain Sheath—For applications that require one diameter for the entire sheath length.

Type “G” Capsule Style With Transition Fitting—Page 4Can resist 100% relative humidity. Ideal for environmental chambers, underground conduits, etc.

Series 300 is a collection of the most frequently requested designs for industrial temperaturemeasurement from -50 to 200°C. These standard sensors look like familiar configurations on theoutside, but on the inside, they are different. All Series 300 RTDs are built for high durability andeconomy to meet the tough operating conditions noted in the specifications.

SENSOR CONFIGURATIONS/SERIES 300 THIN FILM RTDS

TRANSMITTERS—PAGE 20

1

SERIES 300: SPECIFICATIONS

Insulation resistance: Will remain greater than 500megohms @ 250 VDC over specified temp. range for at least30 days at 100% relative humidity.Repeatability: Less than ±.04% change in ice point resistanceafter 10 consecutive cycles between -50 and 200°C. Long term stability: Less than ±.10% (±.26°C for a 100 ohmRTD) ice point resistance shift after 1000 hours at 200°C. Vibration resistance: For all 1/4” standard sheath diameterRTDs; less than ±.03% (.075°C for a 100 ohm RTD) ice pointshift for 30 minutes at 21g peak vibration; 5 - 350 Hzcontinuous sweep, at 20°C for unsupported stem lengths of 5 1/2” or less. The g level was ramped from 1 to 21g’s overthe 5 to 30 Hz range.

The Heavy Duty Sheath (option code SD25) is capable of

30g peak vibration when using the same test as above.

Mechanical Durability Test: (slapper test) This test wasdeveloped by Burns Engineering to simulate industrialenvironments. The RTD is mounted in a mechanical/pneumatic test stand in which the sheath is rotated from sideto side, striking metal plates at a rate of 30 cycles per minute.Series 300 RTDs continue to meet performancespecifications after 1000 cycles.Long term temperature cycling: Less than ±.1% (±.25°C for a100 ohm RTD) change in ice point resistance after 1000cycles from 20 to 200°C. Self heating: 10mW/°C in water moving at 3 fps.Hysteresis: .08% maximum between -50 and 200°C.Lead wire: Teflon™ insulated nickel-plated stranded copper, 22AWG standard (26 AWG for dual). Also available in Kapton™.Sheath material: 316 stainless steel sheath is standard.

PROOF TESTS TO PROVE RELIABILITY

100% Tested: For accuracy at 0°C and insulation resistancefor short time at ambient temperature and humidity.

* For applications that exceed this temperature range, seebulletins 973 & 966 or contact Burns Engineering at 800-328-3871.

**For applications that require accuracy’s of .05% or greater, seebulletins 973 & 966 or contact Burns Engineering at 800-328-3871.

Note: Because of their intrinsic design, Burns wire woundRTDs will offer higher stability and accuracy than thin filmRTDs. Series 300 is the best choice for heavy-dutyapplications, where durability and economy are priorities.

MAXIMUM TEMPERATURE REFERENCE

500°C maximum temperature with 316 SS Sheath

932°F maximum temperature with 316 SS Sheath

200°C maximum temp.

392°F maximum temp.w/teflon insulation

100°C for vinyl boot

• A - Three wire • B - True 4 wire • C - 3 wire dual

COLOR CODES

Element Resistance: 100 ohms at 0°C nominalTemperature Coefficient of Resistance: .00385 ohms/ohm/°CnominalTemperature Range: -50°C to 200°C*Accuracy: Available with Accuracy of ±.10% of resistance at0°C with typical alpha accuracy of .00385 ±.0000135ohms/ohm/°C**Interchangeability: For 100 ohm elements the tolerancevalues at any temperature for these specifications are givenby: Tolerance °C = ±(.26 + .0037 ltl) for accuracy code 10 (ltl =absolute value of temperature in °C i.e. -50 becomes 50)Time constant: Six seconds maximum for 63.2% responseto step change of temperature in water moving at 3 fps.

Green

Green

Black

Red

Red

White

White

White

White

Red

Red

Red

Red

Element/Lead Wire Configuration

Interchangeability .10%Temperature

2

TO ORDER CALL 800-328-3871 FAX 952-935-8782www.burnsengineering.com

C

-50-250255075100125150175200

(F)

(-58)(-13)(32)(77)(122)(167)(212)(257)(302)(347)(392)

C

±.45±.35±.26±.35±.45±.54±.64±.72±.82±.91±1.00

(F)

(±.80)(±.64)(±.46)(±.64)(±.80)(±.97)(±1.15)(±1.30)(±1.47)(±1.63)(±1.80)

RESISTANCE TEMPERATURE TABLETEMPERATURE COEFFICIENT = .00385 PER IEC 751

°C Ohms °C Ohms °C Ohms °C Ohms °C Ohms

°C Ohms

100 138.51105 140.40110 142.29115 144.18120 146.07125 147.95130 149.83135 151.71140 153.58145 155.46

-50 80.31-45 82.29-40 84.27-35 86.25-30 88.22-25 90.19-20 92.16-15 94.12-10 96.09-5 98.04

0 100.005 101.9510 103.9015 105.8520 107.7925 109.7330 111.6735 113.6140 115.5445 117.47

50 119.4055 121.3260 123.2465 125.1670 127.0875 128.9980 130.9085 132.8090 134.7195 136.61

150 157.33155 159.19160 161.05165 162.91170 164.77175 166.63180 168.48185 170.33190 172.17195 174.02200 175.86

220 140.19230 142.29240 144.39250 146.49260 148.58270 150.67280 152.75290 154.83300 156.91310 158.98

-60 79.86-50 82.07-40 84.27-30 86.47-20 88.66-10 90.850 93.0310 95.2120 97.3930 99.57

32 100.0040 101.7450 103.9060 106.0770 108.2380 110.3890 112.53100 114.68110 116.83120 118.97

130 121.11140 123.24150 125.37160 127.50170 129.62180 131.74190 133.86200 135.97210 138.08212 138.51

320 162.05330 163.12340 165.18350 167.24360 169.30370 171.35380 173.40390 175.45400 177.49

°F Ohms °F Ohms °F Ohms °F Ohms °F Ohms

Degrees Fahrenheit

Degrees Celsius

Interchangeability: Tolerance°C = ±(.26 + .0037 ItI) for accuracy code 10( ItI = absolute value of temperature in °C i.e. -50 becomes 50)

3

4

Basic order code

SERIES 300: TYPE ‘D’ & TYPE ‘G’ CAPSULE STYLEPLATINUM RTD — ORDERING INFORMATION

10 ± .10% at 0°C

035 3.5 Inch 055 5.5 Inch 085 8.5 Inch 115 11.5 Inch 175 17.5 Inch 235 23.5 Inch

Specify sheath length in inchesExample: For a 6.0 inch L length specify 060For a 13.5 inch L length specify 135

L

A Three wire single elementB True four wire single elementC Three wire dual element

300

Code Sheath length L

Code Element configuration

Sheath length

Lead wire material/configuration(Teflon insulated cable std.)

Lead length (120 inch length std.)

316 SS sheath

316 SS Transition fitting Lead wire termination(Stripped and tinned std.)

Sheath diameter (1/4 Inch diameter std.)

Y L

D

Removable vinyl boot 100°C max.

Sheath length L

YLead length(120 inch length std.)

Code Accuracy options

Leave blank if none required

Options Transmittersee page 13

TYPE ‘G’

TYPE ‘D’

D Plain sheath with one diameter for entire sheath lengthG Capsule style with transition fitting

Code Sensor Type

Temperature Range -50 to 200°C


300

SERIES 300: TYPE ‘A’ GENERAL PURPOSEDIRECT IMMERSION PLATINUM RTD

A versatile design suitable for mounting bare or in a well into tanks, pipes, ovens, ducts, process

vessels, etc. The type 316 Stainless Steel sheath and hex fitting are TIG welded for maximum

strength and corrosion resistance.

Type A sensor with No. 10 explosion proofhead and loop poweredindicating transmitter.

Type A sensor with No. 5 explosion proofconnection head.

Type A sensor with No. 1 weatherproofconnection head.

Type A sensor withindividual Tefloninsulated lead wiresstripped and tinned.

For options see page 13

5

No. 5 explosion proof connection head

TIG weld

Process connection thread

Y L

Head connection thread

D

Type 'A' sensor

No. 1 weather proof connection head

Model TLI indicating transmitter

-

No. 10 explosion proof connection head with window

170

1C Cast iron weatherproof1E Epoxy coated cast iron weatherproof2A Aluminum weatherproof 2E Epoxy coated aluminum weatherproof 3A Explosion proof aluminium w/waterproof sealing kit**3E Explosion proof epoxy coated aluminum w/waterproof sealing kit **5A Explosion proof aluminum**5E Epoxy coated aluminum**9P Polypropylene

10A Explosion proof aluminum with window for TLI indicating transmitter(When ordering 10A head, specify LY12 for 12” leads in option square below)

14S 316 Stainless SteelN No connection head

10 ± .10% at 0°C


035 3.5 inch 055 5.5 inch 085 8.5 inch 115 11.5 inch 175 17.5 inch 235 23.5 inch

Specify sheath length in inchesExample: For a 6.0 inch L length specify 060

For a 13.5 inch L length specify 135

L

300A


Code Sheath length L

Code Element/Lead Wire Configuration

300A Code Accuracy Options

TIG weld

Process connection threads(1/2 inch NPT std.)Head connection threads

(1/2 inch NPT std.)

Sheath Diameter (1/4 inch diameter std.)

316 SS sheath

316 SS fitting

Lead wire material/configuration(Teflon insulated/individuallead wires std.)

Sheath length

1.5

Lead wire termination(Stripped and tinned std.)

Lead length Y(3.5 inch length std.)

L

D

Sheath length L

3/8 inch


Code Connection head

Basic order code


SERIES 300: TYPE ‘A’ GENERAL PURPOSE DIRECTIMMERSION PLATINUM RTD — ORDERING INFORMATION

6

*For heavy duty sheath specify option SD25 see page 16


*Heavy Duty Sheath Option SD25 for

increased vibration resistance

**use with TL transmitter

See page 8 for type C or K sensors without thermowell - length code X is used.See page 9 for type C or K sensors with thermowell - length code U is used.

Type C spring loadedsensor with nippleextension andthermowell for use withnumber 1, 2 and 9connection heads.

Type K bayonet, twist-lock, spring loadedsensor with nippleextension andthermowell for use withnumber 5 and 3connection heads.


7

.25˝Extension

Connection head

T

1.75

Thermowell

A

U

N

Y

X1.5

Overall Length (OAL)

Transmitter option

1.75

.25"

1.5


T

A

U

N

Y

X

SERIES 300: TYPE ‘C’ AND ‘K’ SPRING LOADEDPLATINUM RTD AND THERMOWELL

High vibration endurance - The RTD and well are kept in constant firm contact to prevent the sensorassembly from vibrating against the thermowell.

Improved heat transfer - Faster response to temperature changes result from positive thermal contact.To achieve the best thermal contact between the RTD and thermowell, we recommend the use of aheat transfer compound (order code 12784).

Ease of installation - The well, nipple and head may be installed without the sensor. The sensor may be insertedor removed through the head and secured in place by means of the terminal block or twist lock fitting.

Wide selection of wells - See page 19 for thermowell styles and options.

SERIES 300: TYPE ‘C’ AND ‘K’ SPRING LOADED PLATINUM RTD— ORDERING INFORMATION WWWWIIII TTTTHHHHOOOOUUUUTTTT THERMOWELL

C Spring loaded sensor for thermowell applicationsK Spring loaded sensor with Bayonet fitting for thermowell applications (mates with #3 & #5 head)

10 ± .10% at 0°C

1C Cast iron weatherproof1E Epoxy coated cast iron weatherproof2A Aluminum weatherproof 2E Epoxy coated aluminum weatherproof 3A Explosion proof aluminum w/waterproof sealing kit

(mates with type K sensor)*3E Explosion proof epoxy coated aluminum w/waterproof

sealing kit (mates with type K sensor)*5A Explosion proof aluminum (mates with type K sensor ) *5E Epoxy coated aluminum (mates with type K sensor) *9P Polypropylene14S 316 Stainless SteelN No connection head

1A Galvanized nipple2A 304 SS nipple3A 316 SS nipple1B Galvanized nipple-union-nipple2B 304 SS nipple-union-nipple3B 316 SS nipple-union-nippleN No extension

Specify in inchesExample: For a 9.0 inch Xlength specify 090For a 12.5 inch X length specify 125


300

Code Extension type


Code Element/Lead wire configuration

Code Accuracy Options

(3.5 Inch length std.)Sheath length

1.5


Lead wire material/configuration(Teflon insulated/individual lead wire std.)

316 SS Sheath

Type K bayonet fitting

Y X

(X = OAL - 1.5˝)

Lead wire termination(stripped and tinned std.)

300 Code Sensor type


8

XCode Sheath Length X


X Sheath length

Y Lead wire length

N Extension length

A Well bore depth

U Well immersion length

T Well lag length

For threaded &

socket wells For flanged wells

X = OAL - 1.5X = N + A

A =U + T + 1.5X = N + U + T + 1.5

X = OAL - 1.5X = N + A

A =U + T + 2X = N + U + T + 2

Length codes Equations

Length Codes and Equations

Basic order code

*use with TL transmitter



TYPE ‘K’

TYPE ‘C’

Basic order code

SERIES 300: TYPE ‘C’ AND ‘K’ SPRING LOADED PLATINUM RTD— ORDERING INFORMATION WWWW IIII TTTT HHHH THERMOWELL

9

C Spring loaded sensor for thermowell applicationsK Spring loaded sensor with Bayonet fitting for thermowell applications (mates with #3 & #5 head)

10 ± .10% at 0°C

1C Cast iron weatherproof1E Epoxy coated cast iron weatherproof2A Aluminum weatherproof 2E Epoxy coated aluminum weatherproof 3A Explosion proof aluminum w/waterproof sealing kit

(mates with type K sensor)*3E Explosion proof epoxy coated aluminum w/water-

proof sealing kit (mates with type K sensor)*5A Explosion proof aluminum (mates with type K sensor) *5E Epoxy coated aluminum (mates with type K sensor) *9P Polypropylene14S 316 Stainless SteelN No connection head

1A Galvanized nipple2A 304 SS nipple3A 316 SS nipple1B Galvanized nipple-union-nipple2B 304 SS nipple-union-nipple3B 316 SS nipple-union-nipple


300

Code Extension type



Code Accuracy Options

Immersion Length UChoose from one of thecolumns below

Threaded & socket wellsA = U + T + 1 . 5

Code Length “U”025 2.5 Inches045 4.5 Inches075 7.5 Inches105 10.5 Inches135 13.5 Inches165 16.5 Inches

Flanged wellsA = U + T + 2 . 0

Code Length “U”040 4.0 Inches070 7.0 Inches100 10.0 Inches160 16.0 Inches

Threaded thermowells

TT2 Tapered, threaded, 1/2 ̋NPT threadsTT3 Tapered, threaded, 3/4 ̋NPT threadsTT4 Tapered, threaded, 1 ̋NPT threadsRT2 Reduced tip,threaded, 1/2˝NPT threadsRT3 Reduced tip,threaded, 3/4˝NPT threadsRT4 Reduced tip, threaded, 1˝NPT threads

Socket weld thermowells

TW3 Tapered, welded, 3/4˝ pipe sizeTW4 Tapered, welded, 1˝ pipe sizeTW5 Tapered, welded, 1.25˝ pipe sizeRW3 Reduced tip, welded, 3/4˝ pipe sizeRW4 Reduced tip, welded, 1˝ pipe size

Raised face flanged thermowells

TF4A Tapered, 1.0˝ flange, 150 LBTF6A Tapered, 1.5˝ flange, 150 LBTF8A Tapered, 2.0˝ flange, 150 LBTF4B Tapered, 1.0˝ flange, 300 LBTF6B Tapered, 1.5˝ flange, 300 LBTF8B Tapered, 2.0˝ flange, 300 LB

RF4A Reduced tip, 1.0˝ flange, 150 LBRF6A Reduced tip, 1.5˝ flange, 150 LBRF8A Reduced tip, 2.0˝ flange, 150 LBRF4B Reduced tip, 1.0˝ flange, 300 LBRF6B Reduced tip, 1.5˝ flange, 300 LBRF8B Reduced tip, 2.0˝ flange, 300 LB

Code Thermowell typeSee Page 19 for dimensions

02 304 SS03 316 SS04 Carbon Steel05 304 L Stainless Steel06 316 L Stainless Steel07 Hastelloy C27608 Chrome-Moly09 Aluminum 6061 T610 Monel11 Teflon12 Inconel 60013 Brass14 Titanium

Code Thermowell material

Extension

Connection head

Finish (16-32 microinch Ra std.)

Extension length

Bore depth

Immersion length1 3/4

N

U

A

.25˝

(3˝ std.)

T

(T = O std.)Lag length

300 Code Sensor type


Leave blank if none requiredSee page 8 for length codes, equations and replacement sensor ordering information.

*use with TL trasmitter

Temperature

Range -50 to

200°C

See page 11 for type “L” sensor without thermowell - length code L is used.See page 12 for type “L” sensor with thermowell - length code U is used.

SERIES 300: TYPE ‘L’ SPRING LOADEDHEX FITTING PLATINUM RTD THERMOWELL

Type L spring loaded sensor is ideal for mating sensors and thermowells to virtually any connectionhead or transmitter assembly. The stainless steel spring loaded fitting insures firm sensor contactwith the well for faster time response and vibration resistance. The long lead wires fit even thelargest connection head.

Type L spring loaded sensor withnumber 10connection head,indicatingtransmitter, couplingnipple extension andthermowell.

Type L springloaded sensor only.


Y

1/2" Nominal spring compression

1/2 Inch nominal thread engagement L (Uncompressed sheath length)

1.75

-

N

170

A

UT

Y

1.75

A

UT

(3˝ Standard)

N

10


Type L spring loadedsensor, union nippleextension,thermowell assemblyfor connection toexisting head ortransmitter

AAAA NNNN DDDD

Basic order code

SERIES 300: TYPE ‘L’ SPRING LOADED HEX FITTING PLATINUM RTD— ORDERING INFORMATION WWWWIIII TTTTHHHHOOOOUUUUTTTT THERMOWELL

11

10 ± .10% at 0°C

1C Cast iron weatherproof1E Epoxy coated cast iron weatherproof2A Aluminum weatherproof 2E Epoxy coated aluminum weatherproof 3A Explosion proof aluminum w/waterproof sealing kit (mates with type K sensor)*3E Explosion proof epoxy coated aluminum w/waterproof sealing kit

(mates with type K sensor)*5A Explosion proof aluminum (mates with type K sensor)*5E Epoxy coated aluminum (mates with type K sensor)*9P Polypropylene10A Explosion proof aluminum with window for TLI indicating transmitter14S 316 Stainless SteelN No connection head

Specify immersion length in inchesExample: For a 9.0 inch L length specify 090For a 12.5 inch L length specify 125

L


300L

Code Uncompressed Sheath length L



1C Galvanized Coupling nipple2C 304 SS Coupling nipple3C 316 SS Coupling nipple1D Galvanized union-nipple2D 304 SS union-nipple3D 316 SS union-nippleN No extension N=0

Code Extension Type

Sheath Diameter

1/2 Inch nominalspring compression Process connection threads

(1/2 inch NPT std.)

316 SS sheath

(1/4 Inch diameter std.)

Optional extension fittingLead wire termination

(Stripped and tinned std.)

Lead length(12 Inch length std.)

316 SS Hex Fitting

Leadwire material/configuration(Teflon insulated/Individual lead wires std.)

Head connection threads(1/2 Inch NPT std.)

(Uncompressed sheath length)LY

D

Specify lead option LY4 for heads other than 10A

300L Code Accuracy options



L Uncompressed sheath

Y Lead wire length

N Extension length

A Well bore depth

U Well immersion length

T Well lag length

For threaded &socket wells For flanged wells

L = N + AA =U + T + 1.5

L = N + U + T + 1.5

L = N + AA =U + T + 2

L = N + U + T + 2

Length codes Equations

Length Codes and Equations


*use with TL transmitter

Basic order code

10 ± .10% at 0°C

1C Cast iron weatherproof1E Epoxy coated cast iron weatherproof2A Aluminum weatherproof 2E Epoxy coated aluminum weatherproof 3A Explosion proof aluminum w/waterproof sealing kit (mates

with type K sensor)*3E Explosion proof epoxy coated aluminum w/waterproof

sealing kit (mates with type K sensor)*5A Explosion proof aluminum (mates w/ type K sensor) *5E Epoxy coated aluminum (mates w/ type K sensor) *9P Polypropylene10A Explosion proof aluminum head with window for TLI indicating transmitter14S 316 Stainless SteelN No connection head

1C Galvanized nipple-coupling2C 304 SS nipple-coupling3C 316 SS nipple-coupling1D Galvanized nipple-union2D 304 SS union-nipple3D 316 SS union-nippleN No extension N=0


Code Extension type



Immersion Length UChoose from one of thecolumns below

Threaded & socket wellsA = U + T + 1 . 5

Code Length “U”025 2.5 Inches045 4.5 Inches075 7.5 Inches105 10.5 Inches135 13.5 Inches165 16.5 Inches

Threaded thermowells

TT2 Tapered, threaded, 1/2˝ NPT threadsTT3 Tapered, threaded, 3/4˝ NPT threadsTT4 Tapered, threaded, 1˝ NPT threadsRT2 Reduced tip,threaded, 1/2˝NPT threadsRT3 Reduced tip,threaded, 3/4˝NPT threadsRT4 Reduced tip, threaded, 1˝NPT threads

Socket weld thermowells

TW3 Tapered, welded, 3/4˝ pipe sizeTW4 Tapered, welded, 1˝ pipe sizeTW5 Tapered, welded, 1.25˝ pipe sizeRW3 Reduced tip, welded, 3/4˝ pipe sizeRW4 Reduced tip, welded, 1˝ pipe size

Raised face flanged thermowells

TF4A Tapered, 1.0˝ flange, 150 LBTF6A Tapered, 1.5˝ flange, 150 LBTF8A Tapered, 2.0˝ flange, 150 LBTF4B Tapered, 1.0˝ flange, 300 LBTF6B Tapered, 1.5˝ flange, 300 LBTF8B Tapered, 2.0˝ flange, 300 LB

RF4A Reduced tip, 1.0˝ flange, 150 LBRF6A Reduced tip, 1.5˝ flange, 150 LBRF8A Reduced tip, 2.0˝ flange, 150 LBRF4B Reduced tip, 1.0˝ flange, 300 LBRF6B Reduced tip, 1.5˝ flange, 300 LBRF8B Reduced tip, 2.0˝ flange, 300 LB

02 304 S.S.03 316 S.S.04 Carbon Steel05 304 L Stainless Steel06 316 L Stainless Steel07 Hastelloy C27608 Chrome-Moly09 Aluminum 6061 T610 Monel11 Teflon12 Inconel 60013 Brass14 Titanium

Code Thermowell material

300L

Y

1.75˝(12 inch length std.)Union-nipple extension

316 SS Hex Fitting

Lead wire termination(Stripped and tinned std.)

Leadwire material/configuration(Teflon insulated/Individual lead wires std.)

Head connection threads(1/2 Inch NPT std.)

ThermowellN

T

Specify lead optionLY4 for heads other than 10A

Extension Length3˝ std.

.25˝

U

ABore Depth

*

Immersion Length

* Lag Length (T=0 std.)

300L Code Accuracy options



12

See page 10 for Length Codes and Equations

Code Thermowell typeSee Page 19 for dimensions

*use with TL transmitterTO ORDER CALL 800-328-3871 FAX 952-935-8782

www.burnsengineering.com

Flanged wellsA = U + T + 2 . 0

Code Length “U”040 4.0 Inches070 7.0 Inches100 10.0 Inches160 16.0 Inches

SERIES 300: TYPE ‘L’ SPRING LOADED HEX FITTING PLATINUM RTD — ORDERING INFORMATION WWWW IIII TTTT HHHH THERMOWELL


13OPTIONS EXPLANATION

Burns Engineering has developed a flexible ordering system that enables you to choose exactly what you need foryour application. Basic Order Codes consist of standardized parts (items such as lead wire lengths and sheathdiameter). Each Ordering Information Page identifies the standard items on the drawing by the abbreviation “Std.”.Options allow you to customize your order in a precise and documented manner for future use.

Index of OptionsLead wire options (prefix letter L) . . . . . . . . .Page 14Sheath options (prefix letter S) . . . . . . . . . . .Connection heads . . . . . . . . . . . . . . . . . . . . . .Page 17Extension options (prefix letter E) . . . . . . . . .Page 18Thermowell options (prefix letter W) . . . . . .Page 19Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 20

How to Order Examples

ORDER AN RTD ASSEMBLY W/O OPTIONS (refer to pg 9 for ordering information)

300 C 10 A 1C 1A 045 TT3 03 / / options transmitter

(completed order code for a Type “C” RTD w/threaded thermowell and no options or transmitter)

ORDER AN RTD ASSEMBLY W/OPTIONS (refer to pg 9 for ordering information and pg 19 for well options)

300 C 10 A 1C 1A 045 TT3 03 / WT30

(completed order code for a Type “C” RTD w/threaded thermowell having an optional 3” lag extension)

ORDER A SPRING LOADED RTD ASSEMBLY W/TRANSMITTER (refer to pg 9 for ordering information)

300 K 10 A 5A 1A 045 TT3 03 / TL21[0 To 50]C

(completed order code for a Type “K” RTD w/threaded thermowell and optional transmitter)NOTE: When ordering RTD’s with optional transmitters:

Step #1 Select transmitter (see pg 20)Step #2 Select head to house transmitterStep #3 Select sensor type to mate with head step #4 Complete balance of order code

ORDER A REPLACEMENT RTD ONLY W/O THERMOWELL (refer to pg 8 for ordering information)

300 C 10 A N N 090 / /

sheath lgth(x) options transmitter(completed order code for a Type “C” RTD sensor)NOTE: Sheath length(x) can be determined by either of the following methods.

How To Order

#1 Sheath length(x) = OAL - 1.5Subtract 1.5 inches from the overall length (OAL) (see page 8 for OAL illustration)x = 10.5 - 1.5x = 9(10.5 is the measured overall length (OAL) of example #1 sensor)

#2 Sheath length (x) = N + AAdd the extension length (N) between thermowell and connection head to thermowell bore depth (A).

To determine bore depth (A) A = U + T + 1.5 for threaded wellsSince example #1 RTD had no options specified, the standard lengths for (N) and (T) would apply.N = 3 and T = 0 are standardA = 4.5 + 0 + 1.5 A = 6 inchesX = N + A X = 3 + 6 X = 9 inches

NOTE: Fill in all Basic Ordering Code Boxes. Fill in option code box only when it applies, otherwise leave blank.

#1

#2

#3

#4

LEAD WIRE CONFIGURATIONS(C - OPTION)

"Y"

"Y"

3.0

3.0

.5

"Y"

"Y"

3.0

3

"Y"

3.0

3

"Y"

3.0

Individual insulated lead wires (C01)

Cable (individual insulated lead wires with jacket overall) (C10)

Shielded cable (C20, C22, C23)

Cable with stainless steel overbraid (C30)

Cable with stainless steel armor (C40, C41)

Cable with coated armor (C50, C51, C52, C53)

LEAD WIRE TERMINATIONS(T - OPTION)

Stripped and tinned (T01)

Stripped and tinned with spade lugs (T11)

Three prong plug (T20, T30)

Three prong plug with mating jack (T21, T31)

DIN plug (T40, T44, T50, T54)

DIN plug with mating jack (T41, T45, T51, T55)

Bannana plugs (T60)

Cable

Cable

Cable

Cable

14


LEAD WIRE OPTIONS — ORDERING INFORMATION

Y_____

M3 KAPTON insulation (260°C maximum service temperature) only available on 3 wire single element (Code A) configuration

Specify lead wire length ‘Y’ in one inch increments

Example: For a 6 inch ‘Y’ length specify Y006. For a 10 foot ‘Y’ length specify Y120 (feet converted to inches)

L

Code Lead wire material (‘M’ option)

C01 Individual insulated lead wires (for type G RTD)C10 Cable (for type A, C, K or L RTD’s)C20 Shielded cable (stainless steel braid)**C22 Shielded cable (mylar foil shield) C23 Shielded cable (mylar foil shield with drain wire)C30 Cable with Stainless Steel overbraid**C40 Cable with Stainless Steel armor*C50 Cable with PVC coated armor*C51 Cable with TEFLON encased Stainless Steel armor*C41 Shielded cable with Stainless Steel armor*C52 Shielded cable with PVC coated armor*C53 Shielded cable with TEFLON encapsulated Stainless Steel armor*

Code Lead wire configuration (‘C’ option)

A_____ Specify armor length in inches‘A’ length must be at least 6˝ less than lead wire length YExample: For a 110 inch armor ‘A’ length specify A 110.

T11 Stripped and tinned lead wires with #6 spade lugsT20 Three prong plugT21 Three prong plug with mating jackT40 DIN plug 5 pinT41 DIN plug with in-line mating jack 5 pinT44 DIN plug 7 pinT45 DIN plug with in-line mating jack 7pinT60 Banana plugs

Code Lead wire termination (‘T’ option)

Code Armor length ( ‘A’ option)

Armor (if specified)

.5

3.0

Lead wire material 'M'

Lead wire termination 'T'

Shield (if specified)

Jacket (if specified)

Armor length

Lead wire length Y

'A'

Lead wire configuration 'C'

Note: Fill in only thecodes applicable toyour specifications

Lead wire options ordering information

L Code Lead wire length (‘Y’ option)

*Specify armor length codeNot available for type ‘D’ RTD

**On type ‘D’ elements, thisoption is only available with 3

wire single elementconfigurations.

15

D2 3/16 Inch diameter (only available with 3 wire single element configuration)D25 3/8 Inch down to 1/4 inch for increased vibration resistance

Example:

For TEFLON sheath coating, specify SC2.

S

SHEATH OPTIONS — ORDERING INFORMATION

Sheath finish(16-32 Microinch Ra finish std.)

Sheath coating(No coating std.)

Sheath material(316 Stainless Steel std.)

Sheath Diameter (1/4 inch diameter std.)

1.5

D

Sheath length L

3/8 inch

Note: Fill in only thecodes applicable toyour specifications

Sheath options ordering information

S Code Sheath diameter (“D” option)


16

C2 Teflon coating

Code Sheath coating (“C” option)

Heavy Duty Sheath Option SD25

See page 2 for vibration resistance specifications

Standard Options Shown Above

CONNECTION HEADS17

#1 Connection HeadCast iron weather proof connection head UL/CULlisted as NEMA type 4 enclosure. For use withsingle element, three wire dual element RTDs andDIN sized transmitters.

Ordering Codes:

1C for zinc chromate plated cast iron1E for epoxy coated cast iron

#3 & #5 Connection HeadExplosion proof cast aluminum connection head FMrated as explosion proof Class I, Div 1, Goup A,B,C,D:Class II Div 1, Group E, F, G: Class III, Div 1, NEMA 4X.For use with single and dual sensing elements, andModel TL transmitters.

Ordering Code: 5A Explosion proof cast aluminum5E Explosion proof cast aluminum epoxy coated 3A Explosion proof aluminum w/waterproof sealing kit.3E Explosion proof epoxy coated aluminum

w/waterproof sealing kit.

#10 Connection HeadExplosion proof cast aluminum connection headwith glass viewport. FM rated for Class 1, Group B,C, D, Class II, Group E F, G. For use with Model TLIindicating transmitters.

Ordering Code: 10A

3/4" NPT

1/2" NPT

1 1/2

3 1/2

4 1/8

5 1/2

3 1/4

1 1/8

2 1/16

3 1/4

1/2˝ NPT

3/4˝ NPT

#2 Connection HeadCast aluminum weather proof connection headUL/CUL listed as Nema type 4X enclosure. For use with single element, three wire dualelement RTDs and DIN sized transmitters.

Ordering Code: 2A Cast aluminum2E Epoxy coated aluminum

#9 Connection HeadPolypropylene weather proof connection head. Foruse with single element, three wire dual elementRTDs and DIN sized transmitters.

Ordering Code: 9P

#14S Connection HeadExplosion proof 316 Stainless Steel Connection headfor use with single element, three wire dual RTDs,thermocouples and DIN sized transmitters. FM andCSA rated for explosion proof Class 1 Div I Groups B,C and D, dust ignition proof for Div II Groups E, F andG. NEMA 4X Indoor/Outdoor.

Ordering Code: 14S

3/4" NPT2

2

1/2" NPT

3 3/4

3 1/2

3 1/4

1 1/8

2 1/16

3 1/4

1/2˝ NPT

3/4˝ NPT

3/4" NPT 3/4" NPT

5 1/26 1/8

4 3/4

Viewport

EXTENSION OPTIONS

NippleExtension

1/2 inch*1/2 inch*

Overall Length

N length

Coupling-NippleExtension

1/2 inch*

Overall Length

N length

Nipple-Union-NippleExtension

1/2 inch*1/2 inch*

Overall Length

N length

Union-NippleExtension

1/2 inch*

Overall Length

N length

Specify extension length in1/10” incrementsN60 = N length of 6 inches

N__ __

Code Extension length ( N option)

E

*1/2 Inch is nominal thread engagement for 1/2 inch NPT fittings

E Extension options

EXTENSION OPTIONS ORDERING

INFORMATION


18

THERMOWELL OPTIONS

R.F. Flanged Thermowell

• Shown with straight stem

(Type SF)

Socket weld thermowell

• Shown with reduced tip stem

(Type RW)

Threaded thermowell

• Shown with tapered stem

(Type TT)

Ø .625

.25Ø .260

Ø

"P" NPT

1/2 Inch NPT

1.75

+ 1.75T

T

A

Q

U

Lag Length

Bore DepthA=U+T+1.5

Immersion Length

Ø

Ø .260 Bore

Ø .50

Flange size & facing as required

.25

1.25

+ 2.25

2.25

A

Q

UT

T

Immersion Length

Lag Length

Bore DepthA=U+T+2

1/2 Inch NPT

2.5Ø

Ø .260

1/2 Inch NPT

P Ø .50

.25

1.75

+ 1.75

A

Q

U

T

T

Immersion Length

Lag Length

Bore DepthA=U+T+1.5

0.0 inches (standard)T30 3.0 inches

F2 Mirror (4-10 microinch Ra)Code Surface finish (“F” option)

E1 Hydrostatic pressure testE2 Dye penetrant testingE3 X-ray examinationE4 Material certificationE5 Murdock strength calculations

Code Testing (“E” option)

Z1 Brass plug w/chainZ2 SS plug w/chainZ3 Cleaned for

oxygen service

Code Misc. (“Z” option)Note: Fill in only thecodes applicable toyour specifications

W Code Lag extension length ( T option)

Example: For brass plug w/chain specify WZ1 W

Thermowell Option-Ordering Information

19

THERMOCOUPLE TRANSMITTERSFROM THE TEMPERATURE EXPERTS 20


Ordering Information

Specifications for RTD Transmitters

TA RTD Transmitter, linearized, adjustable range, 0.1% accuracy DIN styleTL RTD Transmitter, linearized, 0.05% accuracy, FM approvedTLI RTD Transmitter, indicating, linearized, 0.05% accuracy, FM approvedTD RTD Transmitter, programmable, isolated, DIN style, CE markedTH RTD Transmitter, HART® programmable, DIN style, CE marked, FM approved

M Transmitter and sensor matched for improved performanceBlank Not matched

[Tmin To Tmax] Tmin = Temperature for 4mA outputTmax = Temperature for 20mA output

Code Temperature Range

C Degrees celsiusF Degrees Fahrenheit

Code Temperature units

Code Two Wire (loop powered) RTD transmitter with 4-20 mA output

21 100 Ohm, 3-wire, Platinum RTD, Alpha=0.00385Code Sensor Type

Specification Model TA Model TL Model TLI Model TD MODEL TH

Accuracy +/- 0.10% +/- 0.05% +/- 0.05% +/- 0.1% +/- 0.01 FRI +/-0.07% Rdg

Linearity +/- 0.10% Included above Included above Included above Included above

Temperature Range

Zero -50 to 50C -200 to 400C 0 to 400C -200 to 400C -200 to 400CSpan 50 to 550C 50 to 700C 50 to 500C 25 to 700C 25 to 700CAbsolute -50 to 500C -200 to 500C 0 to 500C -200 to 500C -200 to 500C

Drift Zero +/- 0.02% +/- 0.01% of span +/- 0.01% of span Zero 0.01%/C Zero 0.008C/C SpanSpan +/- 0.02% or +/- 0.01C per C or +/- 0.01C per C Span +/- 0.005%/C 100ppm/C

change in ambient temp change in ambient temp Long term 0.05%/yr

Adust Zero +/- 50C Zero +/- 25C Zero +/- 25C Programmable ProgrammableSpan +/- 50C Span +/- 25% of span Span +/- 25% of span via PC via PC, HART®

(rangeable -200 to 600C) (Tmax must ≥ 5xTmin)

Ambient Temp. -20 to 70 -40 to 85 0 to 50 -30 to 85 -40 to 85Range, C

Sens or Burnout Upscale Upscale Upscale Upscale UpscaleIndication

Supply Voltage 12V min 10V min 12V min 10V min 10V min36V max 40V max 20V max 40V max 40V max

Output Limits (High) 33mA (High) 33mA (High) 33mA (High) 20.2mA(Low) 3.2mA (Low) 3.2mA (Low) 3.2mA (Low) 3.8mA

EMI/RFI Immunity Input /output Input /output Input /output <1% (DC to 1GHz) Emissions EN50081-1 filtering filtering filtering Immunity EN50082-2

Power Supply Effect +/- 0.01% +/- 0.005% +/- 0.005% +/- 0.001%/V 0.2microA/V

Other Features DIN sized for Metal foil pots/snap Local indication/ Fully isolated/2 line Isolated/DIN sizedhead mounting track and remote metal foil pots tagging/CE/DIN sized for head mounting/

mounting/FM listed for head mounting CE/FM/HART

Code Calibration

Burns Engineering Inc.10201 Bren Road E.

Minnetonka, MN 55343952-935-4400 FAX 952-935-8782

www.burnsengineering.comemail: [email protected]

©Copyright 1999 Printed in U.S.A. Burns Engineering Inc. Bulletin #947

Rev. 4/03

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