Copyright Pyroban Ltd. Issue 1 Page 29 of 32
Part number PM1083ENG
A
PPENDIX
1
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S
PECIFICATION
Power supply
The system, with the appropriate Relay Unit fitted, is designed to operate on vehicles with
electrical systems ranging from 12Vdc to 80Vdc.
During cranking of diesel engines the battery voltage may drop. The system will operate with
voltage drop down to 6V with the appropriate Relay Unit fitted. (See installation section).
The system is specified up to 96Vdc for a fully charged 80V battery.
The power consumption is 20W max.
Humidity
15 to 90% RH non-condensing
Ambient Temperature
The system is specified from -20°C to +50°C. The System should be protected from high
intensity solar radiation at high ambient temperatures.
Flammable atmosphere warning alarm
10% LEL propane
Flammable atmosphere shutdown alarm
25% LEL propane
Accuracy
5% LEL propane
Response
See Appendix 4
Response time
Response time to shutdown alarm with step change from 0 to 100% LEL propane less than 10
seconds.
Barometric pressure range
95kPa to 110kPa
IP rating (Ingress Protection)
Control Unit & Relay Unit IP64.
Gas Sensing Head IP54. The front of the Gas Sensing Head must be protected from road spray
and power washing.
Delayed shutdown timing options
10S, 15S, 20S, 25S (± 10%)