R.M. Technologies

Single-Channel Readouts

GM-1 can support any Manning Systems sensor as a single point readout/alarm. It features a Bargraph display and horn, two adjustable set points and three relay outputs. It is specifically designed to support sensors in harsh environments.

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GM-JR is an innovative stand alone or "feed through" design for monitoring any Manning Systems sensor at a very affordable price. It has an easy set point adjustment and provides relay or 4/20 mA output. The GM-JR can be mounted directly in the door of most sensor enclosures or in its own housing for a local 20-segment LED readout of PPM (parts per million) gas concentration, i.e., located near the entrance of a mechanical room.

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Model 21 features a simple proven design with solid-state sensors for ammonia, halocarbons or combustibles. It has two adjustable Set point and relay outputs, plus a local horn. The Model 21 will monitor either one or two sensors in concentrations of parts per million (PPM) to the percent range.

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Multi-Channel Readouts

Model 20 is a versatile and flexible, ten-channel gas detection system with relay output that can be configured to monitor any combination of sensors. The standard model has ten low alarm relays (dry contact - SPDT) and one common high relay. Older units can be easily upgraded to latest design standards. Model 20 Phase II Upgrade Program.

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Model 20B is designed for applications where two detection zones are adequate. All other features are identical to the Model 20.

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Bargraph Channel Card installs in the Model 20 and 20B Gas Monitor units and has high alarm and fault relays mounted on the channel card itself for additional flexibility in control scheme design.

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