RM404

Designed to monitor a single refrigerant in a single zone. Enables continuous sampling of ambient conditions, incorporating an alarm/control threshold that is adjustable between 100 and 1000 ppm in increments of 100 ppm. The unit features audible and visual alarm indication with remote mounting of the sensor module up to 200 feet using four conductor 18 gauge wire (not included).

• Concealed tamper resistant set points
• Continuous duty
• Audible and visual alarm indication
• Field replaceable sensor module
• Auxiliary relay for remote alarm
• Manual reset
• Accuracy: ±3% of the setting or ±25 ppm, whichever is greater at a temperature range of 32 to 120°F and 40 to 90% relative humidity
• Audible alarm: 85 db at 1 foot
• Operating range, sensor module temperature: -20 to 150°F
• RMX12: replacement sensor