User Guide

Single Zone Gas Monitor
P/N: 3015-4256 Rev 10 5
Category General Single Zone Specifications
Coverage
Single zone
Detector Type
Infrared, Non-Dispersive
Warm-up Time
15 minutes
Front Panel
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
Size (HxWxD)
7.5" x 13.5" x 3.625" (190.5 mm x 343 mm x 92 mm)
Weight
5.5 lbs (2.5 kg)
Temperature Drift
Less than 1 ppm per °C between purge cycles
Sampling Mode
Automatic (continuous)
Re-Zero
Automatic (approximately every 5 minutes)
System Noise
Less than 50 dB(A) @ 10 feet (3m)
Monitoring Distance
500 ft. maximum
Conditioned Signal
4-20 mA DC isolated output (ppm)
Alarms
Four SPDT alarm contacts are provided rated 2A at 250 VAC (inductive), 5 A at
250 VAC (resistive)
Three assigned to PPM level alarms, one assigned to system faults
Communications
Full two-way communication with Building Management System via RS-485 serial
interface. RS-232C communication port standard
Power Safety Mode
Fully automatic system reset. All programmed parameters retained.
Operating Temp
32 to 122 °F (0 to 50 °C)
Ambient Humidity
5% to 90% RH (non-condensing)
AC Power
100 to 240 VAC, 50/60 Hz, 15 Watts
Certification
UL 61010-1, CAN/CSA 22.2 No. 61010-1 and CE Mark
Warranty
2 years from date of shipment
Altitude Limit
6,562 ft (2,000 m) maximum
Sensor Life
7-10 years
Category AGM-SZ Specifications
Product Type
Single zone infrared monitoring system for low level continuous monitoring of ammonia
refrigerant gas used in most commercial refrigeration systems.
Gas Library
Ammonia / NH
3
/ R-717
Sensitivity
20 PPM (minimum detection limit)
Measuring Range
25-10,000 PPM
Accuracy
±10 ppm ±10% of reading from 25 to 1,000 ppm
Response Time
180 seconds maximum (dependent on sample line length)