Based on the proven ‚constant bubble‘

methodology of its predecessors,

the Air Force Series II is offered in the

following models:

HS40/II: stand-alone unit

HS40/3100/II: with inbuilt WL3100 sensor

HS40/3100A/II: with inbuilt WL3100A sensor

HS40/3100/II/DO: Dual Orifi ce set up

Main Features

The HS40 Air Force Series II can be used

with standard small diameter orifi ce fi t-

tings or large gas chamber orifi ce fi ttings;

Low power consumption

True ‘constant bubbler’

Desiccant & maintenance free system

2 litre stainless steel tank

Maximum range 0-40mH2O,

(with 200 metre maximum length

of river line)

Series II Enhancements

Inbuilt diagnostics using SDI-12

Proven and reliable mechanical switch

Electronics by-pass link for continued

operation

Industrial strength compressor pump

Auto purge air dryer with maintenance

free membrane dryer

Power Supply

12V DC nominal

12V:10W Solar Panel recommended

Low battery cut-out 10.0V DC

Battery re-charge recovery 12.5V DC

High battery cut-out 16.0V DC

Sensor Accuracy

The inbuilt WL3100 sensor with full

temperature compensation & accuracy

of+/-0.02% FS

Outputs

(for WL3100/WL3100A Models)

4-20mA and SDI-12 simultaneously

RS232 (with SDI12/RS232 adaptor part

no. SE230) or Dual SDI-12 optional

Enclosure

Zinc plated powder coated steel enclosure

Operation

When tank pressure falls to 400kPa, com-

pressor is turned on and recharges tank to

750kPa, taking approximately 16 seconds.

Bubble Rate

Factory pre-set at 26 per minute

(at the orifi ce)

Air Dryer

Auto purge air dryer (solenoid valve)

complete with micro mist separator and

membrane dryer

Dimensions

405mm (W) x 620mm (H) x 220mm (D)

Mass

24kg

Operating Temperature Range

-20°C to +70°C (HS40/3100/II)

-40°C to +70°C (HS40/II & HS40/3100A/II)

Based on the proven ‚constant bubble‘

methodology of its predecessors,

the Air Force Series II is offered in the

following models:

HS40/II: stand-alone unit

HS40/3100/II: with inbuilt WL3100 sensor

HS40/3100A/II: with inbuilt WL3100A sensor

HS40/3100/II/DO: Dual Orifi ce set up

Power Supply

12V DC nominal

12V:10W Solar Panel recommended 12V:10W Solar Panel recommended

Low battery cut-out 10.0V DC Low battery cut-out 10.0V DC

Battery re-charge recovery 12.5V DC Battery re-charge recovery 12.5V DC

High battery cut-out 16.0V DC

Sensor Accuracy

The inbuilt WL3100 sensor with full

HS40 AIR FORCE Series II

Water Level Sensing SystemDesigned for Reliability ... SURFACE WATER | GROUNDWATER | WATER STORAGE

RS232 (with SDI12/RS232 adaptor part

Zinc plated powder coated steel enclosure

When tank pressure falls to 400kPa, com-

pressor is turned on and recharges tank to

MONITORING

Contact Us General Enquiries (Australia)

Phone: +61 2 9601 2022

Email: sales@hyquestsolutions.com.au

Web: www.hyquestsolutions.com.au

General Enquiries (New Zealand)

Phone: +64 (0) 7 857 0810

Email: sales@hyquestsolutions.co.nz

Web: www.hyquestsolutions.co.nz

General Description

Model HS40/3100/II