ACM 200 Series User Manual

AMC-200 Transmitter
1
3 PRODUCT DESCRIPTION
3.1 GENERAL DESCRIPTION
The AMC-200 series sensor/transmitter unit is designed to provide continuous, reliable
surveillance of surrounding air for traces of a specific hazardous gas (listed in section 2.2,
Factory Settings). This unit provides a 4 to 20 mA, variable current signal which is proportional
to the gas concentration detected. Each sensor/transmitter unit is factory calibrated and is
ready for field installation and operation.
3.1.1 SENSOR SPECIFICATIONS
SENSOR TYPE: Electrochemical cell
RESPONSE TIME: Better than 90% step change in 60 seconds
DRIFT: Less than 2% of full scale per month
SIGNAL OUTPUT: Linear to the concentration of gas
OPERATING TEMPERATURE: 0°C to 40°C
HUMIDITY: 0 to 99% RH, non-condensing.
EXPECTED SENSOR LIFE: Greater than 2 years
STORAGE LIFE: 6 months at 20°C
NOTE
Turn off power supply before removing or replacing the transmitter or sensor.

ACM 200 Series Specifications

General

Output	4-20 mA, HART
Accuracy	±0.1% of span
Operating Temperature	-40 to 85°C
Input	4-20 mA
Frequency Range	Not applicable
Output Power	Not applicable
Modulation	Not applicable