Physical
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| Dimensions |
Height: 12.5”
Width 11”
Depth 6.4” |
| Enclosure |
NEMA 4X non-metallic for indoor and outdoor locations |
Conduit
Connection
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3/4” NPT conduit hubs, 4 provided, for sensor, power, & relay wiring |
Wiring
Termination
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Screw type terminal block, 14 gauge max |
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Power
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115 VAC & 220 VAC, or 24 VDC nominal, battery backup option available |
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Controls
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Display PCB Control Switches:
- UP/YES push button switch
- DOWN/NO push button switch
- ESCAPE push button switch
- ENTER push button switch
- External reset switch
- On/Off toggle switch
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Environmental
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| Operating Temp |
-4°F to 122°F (-20°C to 50°C) |
| Storage Temp |
-4°F to 158°F (-20°C to 70°C) |
Relative
Humidity |
0 - 95% RH (non-condensing) |
Enclosure
Rating |
NEMA-4X enclosure, chemical and weather resistant |
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Inputs
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Direct Wired
Sensors |
LEL, Oxygen, Carbon Monoxide, Hydrogen Sulfide, and Carbon Dioxide.
Remote amp not required for less than 500 feet |
| 4-20 mA Sensors |
Accepts any 4-20 mA transmitter (24 VDC, 2 or 3 wire). A wide variety of RKI/Riken sensors are available with 4-20 mA signals. Wiring distances up to 8,000 feet |
| Sampling Methods |
Diffusion and sample draw heads available |
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Outputs
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| Relays |
Two flexible, programmable Form-C (C, NO, NC) relays per channel, plus five common relays (Fail, Alarm-1, Alarm-2, Alarm-3, Alarm-Any). Common relays may optionally be assigned to function as additional channel alarm relays, providing for up to three alarm relays per channel. 10A contact rating. |
| 4-20 mA |
Signal output, 4-20 mA (maximum load impedance 500 ohms), per channel |
| RS-485 |
Modbus format RS-485 serial output of all channel data, including gas reading and alarm status. |
| Display |
4 x 20 backlit LCD display |
| Audible |
Built-in audible alarm, 94 dB, mounted on enclosure
Coded output: pulsing = gas alarm, steady = fail |
| Visual |
1. Alarm LEDs (on Display PCB)
- Alarm 1, yellow
- Alarm 2, orange
- Alarm 3, red
- Fail, yellow
2. Green Pilot LED to indicate AC power connected (on Display PCB)
3. An optional 24 VDC NEMA 4X strobe mounted to top of case. |
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Warranty
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One year materials and workmanship |