Gas Safety Co Gas Air Quality Carbon Dioxide Underground Mineral Gas Meter with CE / Kc / CPA / Kcs/ Nepsi Certification

| Continuous detection of toxic gases and oxygen in explosion hazardous area with flame proof structure | Self diagnosis function with built-in Microprocessor | Excellent selectivity by adapting detection principle only for toxic gases & oxygen | Stable quality and proved detection principle for service life | Built-in back light LCD or OLED display | Auto calibration and program setting with a magnet bar | 2-stage alarm, 1-trouble display and relay contact output | 4-20mA (Current source or Sink) output signal | Easy configuration of monitoring system by RS-485 Modbus communication | With the alarm unit - Normal : Green LED -Alarm : Red LED, Buzzer(95 dB) -Trouble : Yellow LED | Calibration and maintenance by one-man | Superior performance for detecting gases below TLV |

Design Features

· Adopt a flame-retardant structure to continuously detect toxic gases and oxygen in the explosion danger zone
· Use built-in microprocessor to realize self-diagnosis function
· Adopt the detection principle suitable for toxic gases and oxygen to create excellent selectivity
· Long-term stable quality and proven testing principles
· Built-in backlit LCD or OLED display
· Use a magnetic bar for automatic calibration and program settings
· Level 2 alarm, single fault display and relay contact output
· 4-20mA DC output signal
· RS-485 Modbus serial communication (optional)
· Equipped with alarm device
-Normal: Green LED
-Alarm: red LED, buzzer (95 dB)
-Malfunction: Yellow LED
· Single-person calibration and maintenance