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Hot Keywords:Pressuresensor Pressure transmitter level sensor Temperature sensor
PT500-703TS
Model: PT500-703TS
Flat film / diaphragm pressure sensing and anti blocking structure design, suitable for melt / fluid medium;
Adopt imported pressure sensitive chip; select the chip technology;
High precision, stable, digital calibration, adjustment, amplification integrated circuit;
Four digit display header, one decimal place; header sampling rate: 10 times / S
4-20mA / rs485-rtu multiple signal output;
Industrial grade 2088 cast aluminum alloy explosion-proof shell;

Common keywords:
Digital flat film pressure transmitter digital diaphragm pressure sensor
Digital anti blocking pressure transmitter digital display flat diaphragm pressure sensor
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  • Product parameters
  • Specification parameter
  • Ordering considerations
  • Precautions for use
  • Common problem
  • Proposal


Chip:
Flat film / diaphragm pressure sensing and anti blocking structure design, suitable for melt / fluid medium;
Adopt imported pressure sensitive chip; select the chip technology;
High impedance, high precision and high stability;
Diaphragm structure: thick film piezoresistive, thin film silicon chip, flange type large diaphragm;
More than 1 million service life;
Signal processing and output:
24 bit ADC sampling processing chip;
DSP digital signal conditioning algorithm;
Multipoint line temperature calibration;
Voltage and current overload protection;
Four digit pressure indicator, display range: - 1999-9999, sampling rate: 10 times / S;
Standard industrial signal output: 4-20mA (two-wire system);
Digital communication signal output: rs485-rtu;
4-20mA (two-wire system) + rs485-rtu communication dual output;
Advanced 32bit microprocessor and 24bit ADC
The transmission protocol adopts the general MODBUS-RTU protocol
Support baud rate: 1200 ~ 57600bps, check bit: none, odd, even
Support the user's secondary calibration, reset, anti reset, factory restoration and other operations
Structure:
Thick film structure: deep argon arc welding, connecting elastic material and process joint, high strength, impact resistance, fatigue resistance;
Thin film structure: laser welding, connecting elastic materials and process joints, silicon oil medium transfer pressure, fast response, fatigue resistance, small 
range;
Industrial grade 2088 cast aluminum alloy explosion-proof shell, reliable and solid strength;
The overall structure is small 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:
Melt / fluid / viscous medium pressure measurement and control;
Equipment pressure measurement in industry / power / oil / automation and other fields


Application fields:

  • Intelligent fire control

  • petrochemical industry

  • Petroleum Pipeline

  • Constant pressure water supply

  • Water supply equipment

  • Hydraulic equipment

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: 4-20mA two-wire system;
               RS485-RTU；
               4 ～ 20mA + rs485-rtu dual output
               Four digit display, display range: - 1999 - 9999
               Sampling rate of pressure gauge: 10 times / S
Power supply voltage: 24VDC (9-30vdc)
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











Precautions for ordering PT500-702TS products

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:
Conventional 4-20mA, DC 12-30vdc power supply;
Display header, four places, one decimal place;

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 mode of the product:
Indoor or outdoor installation;
Ambient temperature;
Required sealing level;
Vibration range of equipment;
Pressure seal: taper seal, face seal, arc seal, spherical seal;
Whether the installation space meets the overall dimension of the product;

Product power supply range, 24VDC(9-30VDC);
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;
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