1. Dual Display: Single Channel Gas Alert Monitor provides simultaneous indication of gas concentration and unit values for enhanced monitoring.
2. Microcontroller-Based Technology: Single Channel Gas Alert Monitor utilizes the latest, accurate, and reliable technology, eliminating false alarms and ensuring high performance.
3. Advance Warning and Alarm Output: Prompts timely response to potential hazards, enhancing overall safety measures.
4. Audio-Visual Alarm Indication: Offers both audible and visual alerts for immediate awareness of gas concentration deviations.
5. Two Independent Alarm Relay Outputs: Allows customization with independent set points and programmable latch/non-latch functionality for each relay.
6. Optional Programmable Linear 4-20mA Output: Provides flexibility in output configuration based on gas concentration levels.
7. Optional RS-485 with Modbus RTU Protocol: Supports communication protocol for advanced connectivity and data exchange.
8. Easy One-Man Calibration: Simplifies calibration processes, allowing quick and efficient calibration on-site.
9. Hazardous Area Approval: CCOE, CMRI, and IP-65 approved, ensuring suitability for use in hazardous industrial environments.
10. User-Friendly Operation: Intuitive design and controls make operation straightforward for users.
11. Password Protected Programming: Enhances security by allowing only authorized personnel to access and modify programming settings.

Technical Specifications:

1. Input:
– Accepts 4 to 20mA output from Oxygen, Toxic, or Combustible Gas Transmitters.
2. Range:
– Programmable range from 0 to 9999 in units of P.P.M., % L.E.L., or % VOL.
3. Resolution:
– User-programmable resolution of 1 or 0.01.
4. Accuracy:
– ±1% of full-scale value.
5. Dual Display:
– Upper display shows 4 digits of 13mm (H) Red LED for Gas Concentration.
– Lower display shows 4 digits of 13mm (H) Red LED for Unit of Gas.
6. LED Indication:
– Provides indication for various states, including alarm relay status, programming mode, service/inhibit mode, test mode, and signal transmission/reception.
7. Set Point:
– Two independent set points for Alarm Relay-1 and Alarm Relay-2 with programmable latch and non-latch facility.
8. Control Action:
– Offers various control actions such as LO/HI, HI/LO, LO/Very LO, HI/Very HI, programmable by the user.
9. Hysteresis:
– Individual setting for Alarm Relay-1 and Alarm Relay-2, programmable by the user.
10. Time Delay:
– Independent programmable time delay from 0 to 9999 seconds for Alarm Relay-1 and Alarm Relay-2.
11. Relay Output:
– Three relay outputs (1 NO-C-NC) for Alarm Relay-1, Alarm Relay-2, and Fail-Safe Relay.
12. Electrical:
– Supports power supply options of 23VAC ± 10%, 110VAC ± 10%, or 24VDC.
13. Environmental:
– Operating Temperature: 0 to 50°C ± 5%.
– Relative Humidity: Below 95% non-condensing.
14. Housing:
– Weatherproof housing in IP-65 protection class, made of ABS plastic.
– Flameproof housing in IP-66 protection class, with cast Aluminum Lm6 Alloy Enclosure.
– MS Panel housing in IP-50 protection class, constructed with metal sheet in Siemens Grey color.
15. Dimensions and Weight:
– Weatherproof Housing: 317mm (H) x 365mm (W) x 160mm (D), Approx 2.5 Kg.
– Flameproof Housing: 357mm (H) x 316mm (W) x 182mm (D), Approx 12 Kg.
– MS Panel Housing: 300mm (H) x 320mm (W) x 105mm (D), Approx 6 Kg.