Duomo HCF100 Operasyon

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HCF100 Duct

HCF100 Duct Refrigeration Gas Sensor

4-20mA

IP55

FEATURES

■

Freon Gas detection sensor

■

Semiconductor sensor Technology

■

4-20mA signal sensor output

■

Automatic Calibration

■

Sintered Head

■

IP66 Protective Rating

■

CE Certified and approved to EN50270, EN 378-1, (EU) No

517/2014 of the European Parliment and the Council of 16th

April 2014

■

2 Year Guarantee - 3 Year by Registering at duomo.co.uk

APPLICATION

Duomo is recognised within the gas industry for providing a

comprehensive range of low cost, high reliability gas detection for

many applications. We have installed and commissioned natural

gas and carbon monoxide sensors in applications such as boiler

rooms, kitchens, car parks and plant rooms. The HCF100 is the

freon gas sensor used with the complete range of Duomo detector

panels. All Duomo products are manufactured to meet relevant

European Normatives and proposals for explosive and toxic gases.

OPERATION

When the HCF100 senses the presence of freon gas it sends a

4 - 20mA signal to the detector proportional to the level of gas. The

detector then operates a pre-alarm relay used for remote sirens or

visual indicators if the level of gas continues to rise. The main alarm

relay is activated to break the electrical supply to a safety shut off

valve, and is fixed at 300ppm of freon R134a.

The HCF100 is controlled by a microprocessor. This conducts

both self diagnostics and automatically calibrates the sensor when

ambient conditions vary, thus avoiding false alarms.

t: 01905 797989

e: [email protected] | w: www.duomo.co.uk

Freon

SPECIFICATION

Power

Power Supply

Power Consumption

Technical Specification

Gas(es) Detected

Sensor Technology

Dimensions

LED indicator

Mounting

Output Signal

Device Precision

Autosetting

Working Temperature

Protective Rating

Perhipheral Specification

Maximum Sensor Distance

Cable Diameter for Sensors

Compatibility

Controller Compatibility

Calibration Gas Compatibility

Approvals, Certifications and Guarantee

Approvals

Guarantee

12-24V DC ± 10% from controller

120mA at 13.8V

Freon Gas

Semiconductor

Width 76mm | Height 176mm | Depth 57mm

Green: Power ON

Wall Mounted OR Duct Mounted versions

4-20mA

1% FS

Yes

-10°C to 60°C

IP66

100m

1mm

CSA

(Screened and earthed at the controller end)

All Conventional Duomo Controllers

(Not Addressable BXI32)

Duomo test Gases

CE Certified and approved to EN50270, EN 378-1, (EU)

No 517/2014 of the European Parliment and the Council

of 16th April 2014

2 Year as Standard

3 Year by Registering at www.duomo.co.uk