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    PI-700

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    The Teledyne Detcon PI-700 is a fixed VOC gas sensor with PID technology designed for detecting and monitoring volatile organic compounds and toxic gases in hazardous areas.

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    Teledyne Detcon Model PI-700 VOC gas sensors are non-intrusive ‘Smart’ sensors designed to detect and monitor a wide range of VOC and Toxic gases in air. Features include PID (Photo-Ionization Detector) sensor technology, LED display showing current readings and status, 4-20mA analog output, Modbus RS-485 serial interface, and automated calibration with magnetic programming switches. Fully encapsulated microprocessor-based Intelligent Transmitter Module (ITM) housed in explosion-proof casting. Class 1 Division 1 Groups A,B,C,D and Class 1 Zone 1 Group IIC rated. Modular design with replaceable plug-in sensors and accessories.

    Description

    PI-700

    Teledyne Detcon Model PI-700 VOC gas sensors are non-intrusive ‘Smart’ sensors designed to detect and monitor a wide range of VOC and Toxic gases in air. Features include PID (Photo-Ionization Detector) sensor technology, LED display showing current readings and status, 4-20mA analog output, Modbus RS-485 serial interface, and automated calibration with magnetic programming switches. Fully encapsulated microprocessor-based Intelligent Transmitter Module (ITM) housed in explosion-proof casting. Class 1 Division 1 Groups A,B,C,D and Class 1 Zone 1 Group IIC rated. Modular design with replaceable plug-in sensors and accessories.

    Features

    • Non-intrusive Smart sensor with plug-in replaceable PID sensor technology

    • Wide detection range from 0-1ppm up to 0-5,000ppm for VOC and toxic gases

    • LED display for current readings and fault/calibration status

    • Automatic calibration with guided instructions via LED display

    • AutoZero calibration function for sensor zeroing

    • AutoSpan calibration function for span adjustment

    • Magnetic programming switches for non-intrusive operator interface

    • Menu-driven operation without area de-classification requirement

    • 4-20mA analog output with linear full-scale range correspondence

    • Modbus RS-485 serial output for continuous gas reading and fault status

    • Microprocessor-supervised encapsulated electronics

    • Internal intrinsically safe barrier circuit

    • Class I Division 1 and Zone 1 explosive atmosphere approval

    • Field-replaceable intelligent plug-in sensor

    • Modular mechanical design with splash guard adapter and integral filter

    • 100% encapsulated circuitry with gold-plated connections

    • Automatic recognition of gas type, units, full-scale range, and calibration data

    • Disassembled PID sensor cell for lamp cleaning or replacement

    • Extensive I/O circuit protection and on-board power supplies

    • Program Mode for configuration and diagnostics

    • Signal Output Check diagnostic function

    • Restore Factory Defaults feature

    Specifications

    Sensor_Technology
    PID (Photo-Ionization Detector)
    Detection_Range
    0-1ppm up to 0-5,000ppm
    Ionization_Potential_Sensitivity
    < 10.6eV
    Output_Types
    4-20mA DC and Modbus RS-485
    Display
    Four character alpha/numeric LED
    Programming_Interface
    Magnetic switches (non-intrusive)
    Operating_Voltage
    11.5-30VDC (24VDC typical)
    Electrical_Classification
    Class I Division 1 Groups A, B, C, D; Class I Zone 1 Group IIC
    Approvals
    ATEX & IECEx approved for II 2G Ex db ib IIC T4 Gb
    Dielectric_Strength
    500VRMS between circuit and enclosure for minimum 1 minute at maximum test current of 5mA
    Maximum_Safe_Location_Voltage
    Um=30V
    Housing_Material
    Electro polished 316 Stainless Steel
    Mounting
    ¾” Female NPT threaded connection
    Primary_Components
    PI-700 Intelligent Transmitter Module (ITM), Intelligent Plug-in Sensor, Splash Guard Adapter with Integral Filter, Splash Guard
    Sensor_Orientation
    Vertically oriented pointing straight down

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