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PT500-2088T
    Model: PT500-2088T
    Inlet pressure core body;
    Small range chip: oil filled silicon chip;
    Large range chip: piezoresistive thick film chip;
    32 bit microprocessor and 24 bit ADC high precision, stable, digital amplifier circuit;
    Zero point, fullness, temperature compensation and linear compensation;
    Modbus rs485-rtu digital output / low power rs485-rtu digital output;
    Industrial grade 2088 cast aluminum alloy explosion-proof shell;

    Common keywords:
    RS485 pressure transmitter digital pressure sensor
    Modbus pressure transmitter 485-rtu pressure sensor
    Industrial digital pressure transmitter intelligent digital pressure transmitter
    Product description of strain type pressure transmitter:


    Chip:
    Inlet pressure core body;
    Small range chip: oil filled silicon chip;
    Large range chip: piezoresistive thick film chip;
    Zero point, fullness, temperature compensation and linear compensation;
    More than 1 million times of service life;
    Signal processing and output:
    32 bit microprocessor and 24 bit ADC;
    DSP digital signal conditioning algorithm;
    Multipoint linear temperature calibration;
    Voltage and current overload protection;
    Two kinds of low power consumption of RS485 digital output mode are provided;
    Low power consumption: standby current is less than 50ua, acquisition current is less than 2mA;
    The acquisition interval of 0 ~ 43200 seconds (12 hours) can be set, which can not only continuously collect data, but also meet the needs of high-speed acquisition;
    It can also trigger acquisition once to minimize power consumption;
    Industrial and design, suitable for DCS system, configuration software, PLC system;
    Structure:
    Thick film structure: deep argon arc welding, connecting elastic material and process joint, high strength, impact resistance and fatigue resistance;
    PU film structure: laser welding, connecting elastic material and process joint, transmitting pressure with silicone oil medium, fast response, fatigue resistance, 
    small range;
    Industrial grade 2088 cast aluminum alloy explosion-proof shell with reliable strength;
    The overall structure is compact, and the process connection mode is diversified (m20x1.5, G1 / 2, ZG1 / 2, 1 / 2NPT (thread diameter ≥ 17mm) DN50, etc.);
    Process connection material: 304 or 316;
    Application:
    Measurement and monitoring of oil pressure, water pressure and air pressure;
    Pressure measurement of equipment in industrial / power / Petroleum / automation fields

    Application fields:
    • Intelligent fire control

    • Steam supply system

    • Oil pressure system

    • Metallurgical equipment

    Specification parameter
    Technical parameters
    Pressure form: gauge pressure, absolute pressure
    Range: 0 ~ 0.6, 1, 2, 5, 10, 15, 20, 25, 30, 40, 50, 60, 100 (MPA);
           0~10、20、30、50、100、150、200、300、400、500、600(KPa);
           -100KPa~10KPa~40MPa;
           ±10KPa~±100KPa;
    Comprehensive accuracy: ± 0.25% FS; ± 0.5% FS; ± 1% FS
    Non linear: ≤ 0.25% FS
    Repeatability: ≤ 0.1% FS
    Output signal: 
          Modbus rs485-rtu (four wire system)
          Low power consumption Modbus rs485-rtu (four wire system)
    Power supply voltage: 
          universal type: 24 VDC (9 ~ 30 VDC)
          Low power consumption type: 3.6vdc (3.1 ~ 6.1vdc)
    Service life: ≥ 1 million times
    Insulation impedance: ≥ 1000m Ω / 100VDC
    Load impedance: current output: ≤ 800 Ω;
    Medium temperature: - 20-80 ℃
    Ambient temperature: - 20 ~ 70 ℃
    Compensation temperature: 0 ~ 70 ℃
    Response time: ≤ 5ms
    Overload pressure: 150% FS
    Failure pressure: 3 times of range (range less than 40MPa); 2 times of range (range greater than 41mpa)
    Electrical connection: direct outgoing line of waterproof fastening nut, supporting explosion-proof electrical connection
    Protection grade: IP65 / IP68
    Connecting cable: four core shielded cable, standard length: 3M
    Connection material: 304 / 316L
    Process connection: m20x1.5, G1/2, ZG1/2, 1/2NPT, DN50 Specifications can be made by users







    Ordering considerations
    1. Product range selection:
    In order to achieve the best effect of product accuracy, life, stability and other functions, the range selection of the product is calculated by referring to the following formula:
    Range = x (1.2-1.5) times of the maximum system pressure;
    The actual measuring pressure range of the product should be 15% - 80% of the range;

    2. Product power supply and output:
    The selection of power supply range is determined according to the output specifications of the product:
    General rs485-rtu output, DC 12-30vdc power supply;
    Low power rs485-rtu output, DC 3.1-6.1vdc;
    When output rs485-rtu, please understand the communication protocol first;

    3. The user should understand the measurement medium characteristics of the product:
    Medium specification, medium temperature, medium purity (whether containing impurities or particles, etc.);

    4. Users should understand the installation environment and installation method of the product:
    Indoor or outdoor installation;
    Ambient temperature;
    Required sealing level;
    Vibration range of equipment;
    Installation method: thread, flange, special structure;
    Whether the installation space meets the overall dimension of the product;

    Precautions for use
    Product power supply range, 9-30vdc (low power RS485 output type is 3.1-5vdc);
    It is strictly prohibited to use hard objects (such as screwdriver, finger, iron nail, etc.) to make the pressure diaphragm output under pressure measurement;
    The power and signal wires shall be correctly wired according to the specifications of the ordered products;
    During product installation, the stressed part is "process connection hexagon wrench position", and the wrench specification corresponds to hexagon;
    It is strictly prohibited that the medium temperature, pressure range and excitation voltage of the tested system exceed the rated use range of the transmitter;
    Pay attention to protect the outgoing cable of the transmitter. When the span is too large on site, it is recommended to use metal pipe for protection or overhead;
    The pressure transmitter is a precision measuring instrument. Do not impose impact or smash to avoid damaging the core
    The product is installed in a ventilated, dry and non corrosive environment, and installed in the open with protective devices to avoid direct sunlight;
    It is strictly prohibited to enter / leak / soak water in the product instrument, and protective devices shall be installed in the open to avoid direct sunlight;

    Common problem
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    Foshan puliang Electronic Co., Ltd

    Tel:0757-26619568 Fax: 0757-26619508

    24-hour online technical support:13790092618

    Cloud platform:www.puliangiot.com

    Address:501, block 8, phase 5, Rongli tianfulai industrial city, Ronggui town, Shunde District, Foshan City

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