Description
Compressed natural gas ( CNG) is natural gas under pressure which remains clear, odourless, and non-corrosive. Although vehicles can use natural gas as either a liquid or a gas.
CNG is stored under high pressure; however, the range of flammability and combustion is much more narrow with CNG making it safe, CNG will not burn at concentrations below 5% or above about 15% when mixed with air.
An odorant is added to provide a distinctive and intentionally disagreeable smell that is easy to recognize.
The odour is detectable at one-fifth of the gas’ lower flammability limit.
TECHNICAL SPECIFICATION
Detecting Principle | Semiconductor |
Detected Gas | CNG |
Measurement Range | 0 to 999 PPM |
Resolution | 0.01% |
Operating Temperature | 0 to 55oC |
Operating Humidity | <95% |
Display Mode | Digital display with seven segment screen |
Alarming Method | Automatic Alarming |
Sound Level | >80 Db |
Power Supply Models | 230 Volts AC – TPGS0301AM1P |
24 Volts DC – TPGS0301BM1P | |
12 Volts DC – TPGS0301CM1P | |
Weight | 375 gms |
Current | <150 mA (In measuring condition) |
<75 mA (In non-measuring condition) |
LED INDICATOR INDICATION AND BUTTON OPERATION
GREEN LED | POWER light (Shows Detector power ON) | |
BLUE LED | ACTIVE light (Shows Detector working properly) | |
YELLOW LED | FAULT light (Shows sensor is faulty) | |
RED LED | ALARM light (GAS concentration is above the preset level) | |
TEST BUTTON | PRESS FOR TEST ALARM FUNCTION | |
RESET BUTTON | PRESS FOR STOP THE WARM-UP TIME |
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