Detcon 840-RD - Manual (Page 5)

1.0 Description
The Model 840-RD is a read only remote display unit designed to operate with input from the Detcon
Model 840 Controller. The model 840-RD must be configured exactly as the Model 840 to function
correctly.
The system displays real time channel nformation on the backlit LCD. Display information includes
channel number, gas type, and gas concentration. It also shows the current Alarm/Fault status via the front
panel LED indicators.
The Model 840-RD has a built in power supply, giving the user a multitude of power options. It can be
powered by either 115/220VAC or 11.5-30VDC, and has an optional one-hour battery backup in the event
of temporary power loss. Is is housed in a Nema 4X waterproof enclosure.
Model 840-RD Operator Manual Rev. 0 Page 1 of 14