ETM20

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ETM20 Engine/Exhaust Monitor and Alarm



Specifications

Operating Voltage:
9.5 to 18 VDC, 0.012 amps nominal.

Temperature Alarm Range:
50 to 125 deg C (122 to 257 deg Fahrenheit)

Instrument 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)

Sensor:
Solid state sensor solid potted with polyester or epoxy resin. Four meters (13 feet) of cable provided.

Accuracy:
Repeatable accuracy is +/- 1.5 deg. C (+/- 2.7 deg. F).

ETM20 Engine/Exhaust Temperature Monitor

The ETM-20 Engine/Exhaust Temperature Monitor and Alarm uses modern electronics and a reliable solid state temperature sensor to accurately monitor the temperature at any point it is attached. The alarm is factory pre-set at 90 degrees C (194 deg F) but can be easily adjusted with a small screwdriver over a range of 50 deg C to 125 deg C (122 to 257 deg F). When the ETM-20 detects an over-temperature condition it sounds a built-in 85 dB audible alarm.

The alarm will continue to sound for the duration of the out-of-limit condition, or until the reset button is pressed. If the alarm is silenced by the use of the reset button, the ETM-20 will automatically arm itself again as soon as the temperature falls below the alarm set point.

The ETM-20 draws only 0.012 amps at 12 VDC and can be connected to an external alarm (LA-20) to provide 105 dB of volume, if desired.




ETM20 Internal Connection Diagram


ETM20 Engine/Exhaust Temperature Monitor 		Internal Connection Diagram

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