1. Self-Test Facility:
– The gas leak detector includes a self-test feature for regular self-diagnosis, ensuring continuous reliability.
2. Built-In Temperature Sensor:
– Gas Leak Detector Equipped with an integrated temperature sensor for ambient temperature measurement, enhancing overall safety measures.
3. Hooter Cum Flasher:
– Features an audible hooter and visual flasher for immediate and effective alerting in case of gas leaks.
4. Cable Gland:
– Includes a cable gland for secure cable connections, contributing to the overall robustness of the device.
5. Multiple Gas Detection Technologies:
– Utilizes Catalytic, Pellistor, or Semiconductor technology for detecting a wide range of flammable gases, including LPG, PNG, CNG, LNG, and natural gas.
6. Highly Resistant Sensor:
– The gas sensor is highly resistant to poisoning and etching, ensuring longevity and consistent performance.
7. Isolated RS-485 Communication:
– Features an isolated RS-485 communication port with MODBUS RTU protocol for efficient and secure data transmission.
8. Non-Intrusive Programming:
– Allows non-intrusive programming using a magnetic wand, eliminating the need to open the enclosure cover for adjustments.
9. Password-Protected Menu:
– The programming menu is password-protected, enhancing security and preventing unauthorized access.
10. Optimized for Small Gas Leaks:
– Specifically designed and optimized for the detection of the smallest gas leaks, ensuring comprehensive safety coverage.
11. Integrated Buzzer and Flasher (Optional):
– Offers an optional integrated buzzer and flasher for enhanced audible and visual alerts.
12. Alarm Relay Contacts:
– Two alarm relay contacts are configurable for warm, alarm, and fault conditions, providing flexibility in monitoring.
13. Ambient Temperature Detection:
– Inbuilt ambient temperature detection capability enhances overall environmental monitoring.

Technical Specifications:

1. Gas Sensor:
– Catalytic / Pellistor / Semiconductor
2. Sensor Holder:
– SS-316
3. Temperature Sensor:
– For Ambient temperature measurement
4. Detection Method:
– Continuous Diffusion
5. Range & Resolution:
– As specified in the table
6. Display & LEDs:
– 4 Digit Seven-segment LED Display
– LEDs for Warn, Alarm, Fault, and Communication status
7. Set Point:
– Two independent alarm set points for AL1 & AL2
– User-selectable hysteresis and logic options for alarms
8. Accuracy:
– Catalytic / Pellistor: ± 2% full scale
– Semiconductor: ± 5% of full scale (for gas detection only)
9. Response Time:
– Less than 5 seconds
11. 10 Start-up Time:
– Less than 30 seconds
12. Supply Voltage:
– 18 to 36 VDC, Typically 24VDC
13. Power Consumption:
– Less than 2 Watts
14. Connector:
– 4 wires (1.5mm) for 24 VDC input & RS-485 Output
– 4 wires (1.5mm) for Relay Output
15. Operating Temperature:
– -20 to +60°C
16. Storage Temperature:
– -30 to +70°C
17. Humidity:
– Less than 95% Non-Condensing
18. Output Signals:
– Two SPST NO/C/NC relay contacts (5A/250VAC, 5A/30VDC)
– Isolated RS-485 communication with MODBUS RTU protocol
– SS 316 PESO Certified Hooter Cum Flasher (90dB) with RED light flashing.
19. Error Monitoring:
– Displays ‘Sensor Open/Over Range’ during sensor break/open
– Activates alarm relay if ambient temperature exceeds set point
20. Weatherproof Housing:
– Protection class: IP (Specify the IP rating)
– Cabinet material: Polycarbonate, Grey Color
– Cable entry: Thermoplastic cable gland (IP-68)
– Dimensions: 170.6 mm (H) with sensor holder x 175 mm (W) with cable gland & Hooter cum Flasher x 70 mm (D)
– Mounting: Wall Mounting/Stand Mounting
– Weight: Approximately 380 grams.
21. Common Deliverables:
– Test Calibration Certificate
– Reference Calibration Gas Certificate
– Operational/Instrument User Manual
– Standard Mounting Hardware
– Protection Cap
– Calibration Cap
– Magnetic Wand
22. Optional Accessories:
– Certified 24 VDC Power Supply
– Canopy & Mounting Stand
– Flameproof, Weatherproof IP66 Hooter Cum Flasher (Model No.: HCF/FLP/2C) with CIMFR and PESO Certifications.