Specifications

30 Instruction 3015-4256
Appendix A
HGM-SZ Specifications
Product Type
Multiple refrigerant gases and single area monitoring system for low level continuous
monitoring of CFC, HCFC and HFC refrigerant gasses used in most commercial
refrigeration systems. System design supports compliance to the refrigerant monitoring
requirements of ANS/BSR ASHRE 15-1994.
Coverage
Single zone
Detector Type
Infrared, Non-Dispersive
Gas Library:
CFC:
HFC:
HCFC:
HALON:
Other:
R-11, R-12, R-113, R-114, R-502, HFP
R-404a (HP62), R-407a, R-407c (AC9000), R-134a, R-410a (AZ20), R-507 (AZ50),
R-508b (SUVA95), R236FA, R125, R245Fa, R422a, R422d, R427a
,R424A,R426A
R-22, R-123, R-124, R-500, R-503, R-401a (MP39), R-402a (HP80), R-402b (HP81),
R-408a, R-409a, R-23, R21, R227
H1301,H2402, H1211
FA188, FC72, N1230
,HFO-1234YF
Sensitivity
All gasses 1 ppm (R11 ±10 ppm ±15% of reading 0-1000ppm)
Measuring Range
All gasses 0 to 10,000 ppm
Accuracy
±1ppm ±10% of reading from 0-1000ppm (R11 ±10ppm ±15% of reading 0-1000ppm)
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/Weight
7.5"H x 13.5"W x 3.625"D / 5.5 lbs (190.5 x 343 x 92 mm / 2.5 kg)
Temperature Drift
±0.3% of reading per degrees C
Sampling Mode
Automatic or manual (hold)
Re-Zero
Auto or on zone change
Response Time
5 to 120 seconds – depending on air line length and number of zones
System Noise
Less than 40dB(A) @ 10 feet (3m)
Monitoring Distance
500 ft. maximum for combined length of sample + exhaust tubing (each zone)
Conditioned Signal
Dual optional 4-20mAdc isolated outputs. Channel 1 = zone area, Channel 2 = PPM
Alarms
Four SPDT alarm contacts are provided (rated 2A 250VAC)
Three assigned to PPM level alarms, one assigned to system faults
Communications
Full two-way communication with HGM-RD Display Module or 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 & CE Mark
Warranty
2 years from date of shipment
Altitude Limit
6,562 ft (2,000 m)
Specifications subject to change without notice