MSA 610A - Controller Specifications

MODEL 610A
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7.3 General Specifications - Controller
7.3.1 Mechanical Specifications
Dimensions:
4.0”W x 6.9”H x 11.5”D (102mm x 175mm x 292mm)
Weight:
6.2 lbs. (2.86 kg)
Mounting
Conf iguration:
Rack, panel, wall
7.3.2 Environmental Specifications
Temperature Range:
32°F to 140°F (0°C to +60°C)
Storage Temperature:
-4°F to +149°F (-20°C to +65°C)
Operating Humidity
Range:
15% to 95% Non-Condensing
7.3.3 Electrical Specifications
Power:
105-130 VAC/50-60 Hz
205-255 VAC/50-60 Hz
22-30VDC. 9-Watts nominal per channel (117 VAC)
Alarm Circuits:
4 Amp relays @ 117 VAC, resistive.
Output Signal:
Discrete 0-21.7 mA, 300-Ohm maximum load
Accuracy: ± 5%, 1.5-20mA
7.3.4 System Specifications
Digital Readout:
Range 0-99% Lower Explosive Limit (% LEL)
Accuracy:
± 3% LEL f or < 50% LEL gas, and 5% for >50% LEL gas
Electrical
Classif ication:
General purpose (non-hazardous, indoors)
Warranty:
Two years
Approvals:
CSA, FM
7.4 General Specifications - Sensor
7.4.1 System Specifications
Typ e:
Dif fusion, low temperature catalytic bead Standard Ind ust ri al
Types: Combustible Gas; High Temperature Combustible Gas
Response Time:
Typically 6-second time constant when exposed to 50% LEL of
methane gas.
Zero Drif t:
Less than 5% per year
Typical Life:
3 years in normal service
Electrical
Classif ication:
NEC Class I, Division 1 and 2, Groups B, C, and D
Warranty:
Two y ears.
7.4.2 Environmental Specifications
Temperature Range:
(operating and
storage)
-65°F to 200°F (-55°C to +93°C) standard; high temperature
special to 400°F (200°C).
Humidity:
15% to 95% R.H.