Bacharach AGM300 用户手册

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Instruction 3015-4275 
83 
AGM300 - Specifications 
Product Type: 
Ammonia gas, multiple area infrared monitoring system for low level continuous 
monitoring of ammonia refrigerant gas used in most commercial refrigeration systems. 
System design supports compliance to the refrigerant monitoring requirements of 
ANS/BSR ASHRE 15-1994. 
Coverage: 
4-point standard, expandable to 16 points in 4 point increments 
Detector Type: 
Infrared non-dispersive, computer enhanced 
Gas: Ammonia, 
NH
3
, R-717 
Sensitivity: 1 
ppm 
Measuring Range: 
25 to 10,000 ppm 
Accuracy: 
±10 % of reading 
Front Panel: 
3 Indicator lights: 
 
•  One green light will glow steady when unit is operating normally, or flashing when  
  unit is in warm-up mode 
 
•  One red light will glow steady when any point is above the alarm setting, or will be 
  flashing when the unit is in service mode 
 
•   One yellow light will glow when there is a system fault 
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 
Monitoring Distance:  Up to 500 feet maximum air line length (each zone) 
Conditioned Signal:  Dual optional 4–20 mA isolated outputs; Channel 1 = zone area; Channel 2 = PPM 
Alarms: 
Four SPDT alarm contacts are provided (Rated 5 amp 120 VAC) 
 
Three assigned to PPM level alarms - One assigned to system faults 
Communications: 
•  Full two-way communication with ADM800 Ammonia Display Module or Building 
  Management System via RS-485 serial interface. 
 
•  RS-232C communication port standard 
 
•  MODBUS RTU communication protocol standard 
Power Safety Mode:  Fully automatic system reset.  All programmed parameters retained. 
Operating Temp: 
32 to 113 °F (0 to 45 °C) 
Ambient Humidity: 
5 to 90% (non-condensing) 
Size/Weight: 
17"H x 12"W x 5.5"D - 15 lbs. 
AC Power: 
120 or 230 VAC, 50/60 Hz, 21 Watts 
Certification: 
UL #61010-1 and CE Mark 
Warranty: 
Two (2) Years from date of shipment 
Altitude Limit: 2,000 
Meters