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GD55


Download User's Manual PDF

Square GD55S GD55 gas detector for LPG, petrol / gasoline, monitor and alarm

Round GD55R GD55 gas detector for LPG, petrol / gasoline, monitor and alarm



Square GD25S GD25 gas detector for LPG, petrol / gasoline, monitor and alarm

Round GD25R GD25 gas detector for LPG, petrol / gasoline, monitor and alarm

CE Certified for Europe

CE Certified

Waterproof front case

Specifications

Operating Voltage:
10.5 - 16.0 VDC

Current Drain:
0.12 amps

Sensitivity:
Better than 25% LEL (Lower Explosive Level)

Operating temperature:
0 to 50 deg Celsius ( 32 to 122 deg Fahrenheit)

Size:
2.5" dia X 4.1" deep (61mm to 104mm), mounts in 2-1/8" (55mm) hole.

Alarms:
Built-in 85 dB audible alarm.

Sensor:
One LPG / Gasoline / Petrol sensor standard. Five meters (16 feet) of cable provided.


GD55 LPG, gasoline / petrol gas detector, monitor and alarm

The GD55 Gas Vapor Monitor detects gas vapors at 25% of the concentration required for an explosion (LEL or Lower Explosive Limit).

The alarm will continue to sound as long as the sensor detects a dangerous concentration of gas vapor.

The GD55 uses new technology to lower the power requirements for the sensor and draws only 0.12 amps at 12VDC.

A built-in self test checks the electronics,cables and sensor and reports any problems.

The GD-55 comes with one LPG/Petrol/Gasoline sensor with 5 meters (16 feet) of cable. Installation into a round 2.4" diameter (55mm) hole requires only a screwdriver. An instruction manual and all mounting hardware is provided

Each GD-55 is assembled and then 100% tested with a calibrated gas to insure accuracy of the alarm trip point.



GD55 Gas Detector Connection Diagram


GD55 Gas Vapor Detector Connection Diagram
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GD20


Download User's Manual PDF


GD20 gas detector for LPG, petrol 			/ gasoline, monitor and alarm

Specifications

Operating Voltage:
9.5 - 33.0 VDC

Current Drain:
0.085 amps @ 13.8 VDC, 0.055 amps @ 24 VDC
Power saver mode: Program to wake up every 5 minutes for a sniff, cuts average current to .020 amps.

Sensitivity:
Front panel selectable 10%, 20%, or 30% LEL (Lower Explosive Level)

Operating temperature:
0 to 50 deg Celsius ( 32 to 122 deg Fahrenheit)

Size:
100 x 60 x 30 mm (4 x 2.4 x 1.2 inch)

Alarms:
Built-in 85 dB audible alarm. Can be connected to optional External 105 dB Loud Alarm (LA-20)

Solenoid Control:
Will automatically deactivate LPG solenoids drawing up to 3 amps. GD20 may be used to turn solenoid on/off manually as well. Auto shutoff after one hour can also be programmed.

Sensor:
One LPG / Petrol / Gasoline sensor standard. Second sensor optional. Three meters (ten feet) of cable provided with each sensor.

GD20 LPG, gasoline / petrol gas detector, monitor and alarm

The GD20 Gas Vapor Monitor detects gas vapors at 10%, 20% or 30% of the concentration required for an explosion (LEL or Lower Explosive Limit). The desired sensitivity can be selected from the front panel and stored in the non-volatile memory. When activated, the GD20 built-in 85 dB alarm will sound and it will remove power to your LPG solenoid.

The alarm will continue to sound as long as the sensor detects a dangerous concentration of gas vapor or until the Wait button is pressed. If the alarm is silenced by the use of the Wait button, the GD20 will automatically arm the alarm again as soon as the gas vapor has subsided.

The GD20 uses new technology to lower the power requirements for the sensor and the GD20 can be programmed to put itself to sleep for further power conservation. The GD20 can be programmed to be active continuously or wake up every 5 minutes for a sniff. If the GD-20 senses a dangerous concentration of gas, it sounds the alarm, cuts power to the LPG solenoid and deactivates sleep mode to continuously monitor the situation.

You can use the UP and DOWN buttons on the GD20 to manually turn your LPG solenoid ON and OFF. You can also program the GD20 to automatically turn off the LPG solenoid one hour after you turn it on, just in case you forgot to do so yourself. You get a warning beep and then have 5 minutes to press the UP button (if you need another hour).

A built-in self test program checks the electronics and calibrates the gas sensor(s) automatically in less than one minute and reports any problems.

The GD-20 operates from any voltage between 9.5 VDC and 33.0 VDC. The higher the voltage, the less current is consumed.

In addition to the built-in 85 dB alarm, the GD20 provides an alarm output that can be connected to the optional LA-20 External Loud Alarm to provide an amazing 105 dB of volume. This amount of noise can be heard for 1/4 mile or more.

The GD-20 comes pre-wired to one combination LPG / Petrol / Gasoline sensor with 3 meters (10 feet) of cable. A second LPG / gasoline / petrol sensor can be connected. Installation requires only a screwdriver. An instruction manual and all mounting hardware is provided

Each GD-20 is assembled and then 100% tested with a calibrated gas to insure accuracy of the alarm trip point.



GD20 Gas Detector Internal Connection Diagram


GD20 Gas Vapor Detector Internal Connection Diagram

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