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PQD Series PQD-8136 VOC gas detector is designed to detect volatile organic compounds in the industrial areas.

With ATEX / IECEx, SIL2 certifications, EN 60079-29: 1 performance approval, and high ingress protection class, it has proved its suitability for harsh environmental conditions.

The PID sensor employed PQD-8136 provides excellent output in the 0-100ppm range.

Easy and Safe Use
• OLED Display: 128x64 large, bright and clear display indicates gas level, detector status and it can be seen in dark locations and different angles easily
• Non-Intrusive Calibration: Zero and Span calibration can be done by a single operator via using magnetic keys without opening the lid in the hazardous area.
• Logging: Stores all alarm, fault, and maintenance events up 250logs to provide a history of the detector. Also, it protects the data thanks to the battery on itself 
• Monitoring: Gas concentration trends for the last 8 hours can be monitored on the OLED screen as it is recording the measurement data
• Remote Control: PQ offers up to 15meters remote control option for applications that sensor and transmitter specifically require separate locations. Moreover, the detector status can be also monitored via Prosense Gas Monitoring software remotely.
• Magnetic Control: Many settings can be adjustable via using a magnetic key.
Easy Maintenance and Simple Installation
• Checking: Relay contacts can be activated or deactivated easily through a user-friendly PQD menu
• Simulation: 4-20mA analog output can be simulated in different values for the test purposes even if there is no target gas in the environment.
• Analog Values: Fault, Warm-up, Calibration, Inhibit, and Overrange values are adjustable.
• Adress: Modbus addresses can be set on the detector menu. No need onboard addressing switches anymore.
• Calibration: Reminds the user when calibration is due to ensure that sensors remain operational and accurate at all times
• Relays: Alarm levels and related parameters can be fully adjustable through the detector menu.
• Sensor Replacement: Allows sensor replacement with pre-calibrated sensor head to provide easy maintenance.
• Modbus: PQ can be integrated into SCADA systems easily via open-source Modbus RS485(RTU) codes.
• Bump Test: The status of the detector can be checked periodically. Ensure that the sensors will respond to their target gas and that the alarms will function
• Calibration Due Warning: Reminds the user by giving Fault when calibration is due
• Wide Range Sensors: High-quality PID, Pellistor, Electrochemical, Infrared, Semiconductor employed PQ provides excellent output for the target gas.

Sensor Technology PID
Output Signal 4-20mA Analog and RS485 Modbus RTU
Sensor Warm-Up 60sec
Response Time(T90) <30sec
Accuracy %±1
Operating Temperature -40°C ~ +70°C
Humidity 0~ 100%RH Non-Condensing
Input Min 10VDC - Max 32VDC - Nominal 24VDC
Display 128x64 Graphic OLED, 5 LED indicator for detector status
Event Logging Records alarm, fault and maintenance events up to 250 logs
Power Consumption Max. 4W
Relay Outputs 2 Alarms (Programmable) and 1 Fault (All relays are NO/NC adjustable)
IP Rating IP65 / IP66
Junction Box Epoxy Painted Die-Cast Aluminum / 316 Stainless Steel
Sensor Head 316L Stainless Steel
Dimensions/Weight 196,96x145,99x112mm / 2100gr
ATEX Marking II 2G Ex db IIC T6 Gb
II 2G Ex mb db IIC T6 Gb
I M2 Ex db I Mb
Hazardous Class Zone 1 - Zone 2 - M2
Certificates ExVeritas 18 ATEX 0371X
IECEx EXV 18.0021X
FTZU 18 ATEX 0086
IEP12 ATEX 6118X
Standards IEC EN 60079-0
IEC EN 60079-1
IEC EN 60079-18
IEC EN 60079-29-1
  1. PQD Datasheet

    PQD Datasheet

  2. PQD User Manual

    PQD User Manual

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P-IP66 Stainless Series IP66 Adapter P-IP66
P-ASU Prosense Sampling Unit P-ASU
PQD-SS PQD SS316L Stainless Series Enclosure PQD-SS
P-GTA Celling Mount Collecting Cone P-GTA
PK-KEP Prosense Calibration Cap PK-KEP