The Multi-Zone Gas Leak Monitor HGM-MZ offers superior performance, flexibility and functionality for low level continuous monitoring of ammonia gas used in most commercial systems. Separate monitors are available for Refrigerants (HGM-MZ) and Carbon Dioxide (CO2 - CO2-MZ).
These state-of-the-art fixed gas monitors lead the industry in performance, integration capabilities, initial cost and cost of ownership.
The AGM-MZ Multi-Zone Monitor provides continuous detection of refrigerant gas levels in up to 16 separate test zones and can be fitted with an optional two channel 4-20 mA current loop board for connection to remote
monitoring equipment. Multi-Zone monitors retain a log of previous readings that can be easily accessed for analysis. Four relay contacts are provided that can be programmed to trigger external alarm devices in the
event of a system fault, or if a leak (small), spill (medium) or evacuation (large) level of gas is detected, while audible and visual front panel indicators show alarm and fault conditions. With only minor periodic maintenance,
such as the occasional replacement of filters, and active diagnostics that continuously check the system for proper operation.
Multi-Zone monitors help maintain your equipment efficiency, promote safety and protect the environment.
Proprietary infrared sensing technology virtually eliminates false alarms and extends sensor life
No calibration required
Low detection limits enable leaks to be found early reducing energy and refrigerant consumption
Fastest sampling rate with the longest sampling distance in the industry at 365m
Large Graphic LCD for easy set-up and real-time monitoring
Optional with Remote Display
Ammonia (NH3) / R-717
NDIR, 7 - 10 years
All gases 0 to 10,000 ppm
±10 ppm ±10% of reading from 0-10,000 ppm
4 point standard, expandable to 16 points in 4 point increments
3 Indicator lights:
• Green Monitor is powered on. LED glows during normal operation; flashes when unit is in warm-up mode
• Red Alarm. LED flashes when any point has exceeded the alarm setting.
• Yellow Fault. LED flashes when there is a system fault
Automatic or manual (hold)
Auto or on zone change
5 to 315 seconds – depending on air line length and number of zones
1,200 ft (366 m) maximum for combined length of sample + exhaust tubing (each zone)
Dual optional 4-20 mA DC isolated outputs. Channel 1 = zone area, Channel 2 = PPM
Four SPDT alarm contacts rated 2A at 250 VAC (inductive) 5 A at 250 VAC (resistive). Three are assigned to PPM level alarms, one assigned to system faults.
Full two-way communications with Remote Display Module or Building Management System via RS-485 serial interface. RS-232C communications port standard.
0 to 50°C
5 to 90%, non condensing
100 to 240 VAC, 50/60 Hz, 20 W
31.06 cm x 34.80 cm x 12.60 cm
IM Env. Equip. Germany GmbH reserves the right to adopt technical modifications without prior notice.