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Hot Keywords:Pressuresensor Pressure transmitter level sensor Temperature sensor
PT500-502
Model: pt500-502
Main features:
Adopt imported voltage sensing chip, select the chip technology, with zero, full range compensation, temperature compensation;
High precision stable amplifier IC;
Industrial standard analog quantity 4-20mA or 0-5V / 10V output;
Compact structure, full seal welding structure, impact resistance, fatigue resistance, high reliability;
Common keywords:
Oil pressure sensor hydraulic pressure sensor
Water pump pressure transmitter water pressure sensor
Fan pressure sensor air pressure transmitter
Precision pressure sensor
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  • Product parameters
  • Specification parameter
  • Ordering considerations
  • Precautions for use
  • Common problem
  • Proposal

Chip:
Imported brand pressure sensitive chip wafer;
Selected chip technology and fully sealed package;

Core:
Diffused silicon core, high sensitivity, large output, zero point, full range compensation, temperature compensation, suitable for small range pressure transmitter;
Strain gauge core, high-strength elastic deformation pressure sensing material, equipped with temperature compensation, has the advantages of impact resistance and fatigue resistance, suitable for general range pressure transmitter;
Ceramic core, outstanding anti-corrosion performance, with zero point, full range compensation, temperature compensation; suitable for measuring medium with strong corrosive working conditions, range less than 5MPa;

Structure:
Small overall structure, diversified process connection modes (thread M20, M16, M12, G1 / 4, G1 / 2, 1 / 2NPT, 1 / 4NPT, flange connection, quick joint, welding, etc.)
The electrical connection is four core aviation connector, the cable can be removed, convenient for installation and wiring;
Process connection material: 304 or 316;
Shell material: 304 or 316;
Supporting standard four core shielded cable;

Signal processing:
24 bit ADC sampling processing chip;
DSP digital signal conditioning algorithm;
Multipoint line temperature calibration;
Voltage and current overload protection;
Standard industrial signal output: 4-20mA (two-wire system), 0-20mA (three wire system), 0-5vdc, 0-10vdc, 0.5-4.5vdc (three wire system);


Application fields:

  • Air compressor unit

  • Constant pressure water supply

  • Hydraulic equipment

1、 Main technical parameters:

Measurement medium: liquid and gas (compatible with product process connection materials)

Pressure form gauge pressure, absolute pressure

Range: 0-0.6-60mpa

-0.1～0～0.6～5MPa

-100KPa～10KPa～40MPa

±10KPa～±100KPa

Comprehensive accuracy ± 0.25% FS; ± 0.% FS; ± 1% FS

Nonlinear ≤ 0.25% FS

Repeatability ≤ 0.1% FS

Output signal: 4-20mA (two-wire system); 0-20mA (three wire system)

0-5vdc; 0-10vdc (three wire system)

0.5-4.5vdc (three wire system) / 5VDC power supply available

The power supply voltage is 24VDC (9-30vdc) / 5VDC can be used when the output is 0.5-4.5vdc

Insulation impedance ≥ 1000m Ω / 100VDC

Load impedance current output: ≤ 800 Ω; voltage output: ≥ 50K Ω

Medium temperature - 20-80 ℃

Ambient temperature - 20 ～ 70 ℃

Compensation temperature 0-70 ℃

Response time ≤ 5ms

Overload pressure 150% FS

5 times of range (range less than 5MPa); 3 times of range (range greater than 5MPa)

Electrical connection: direct outgoing line of tightening nut   IP 65

Connecting cable: four core aviation connector + shielded cable, standard length: 3M

Connection material 304 / 316L

Process connection m20x1.5, G1 / 2, G1 / 4, ZG1 / 4, 1 / 4NPT

2、 Product model and specification:


3、 Product structure size:


4、 Product electrical connection:


5、 Product process connection and installation mode:

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. Signal output mode of the product:

The signal output specification depends on the requirements of the back-end acquisition equipment;

Common are: control and display instrument, PLC acquisition and input module, MCU acquisition card, PC serial port, etc

If the back-end acquisition equipment is determined according to the output specification of the product, it is recommended to use the general two-wire system 4-20mA;

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;
Product power supply 24VDC (range: 9-30vdc);
It is strictly prohibited to use hard objects (such as screwdriver, finger, iron nail, etc.) to make the pressure core body under pressure measurement output;
The power and signal wires shall be correctly wired according to the specifications of the ordered products;
When the product is installed, 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;
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