GB
MSA
OPERATION
Chillgard
M-100
13
4. Operation
4.1. Optical Indication
The sensor has three LEDs located at the bottom-left for quick unit status indication:
LED Indication
Green
Lights during normal operation
Red
Flashes at 0.5 Hz during start-up.
Turns ON solid when concentration reading exceeds 50 ppm
Yellow
Flashes at 0.5 Hz when power supplied is outside limits.
Turns ON solid during other fault condition
4.2. Control Modules
The sensor output can be connected with a control module providing a complete monitoring system (
Operating
Manual of the control module).
During a fault, the:
current output drops to 2 mA or
voltage output drops to 1 V.
