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pressure measurement

General purpose pressure transmitter

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Pressure transmitter chip

Pressure switch

Pressure gauge

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Common Rail Pressure Sensor

Single crystal silicon pressure transmitter
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level transmitter

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Magnetostrictive level meter

Ultrasonic level gauge
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Temperature humidity sensor
Wireless IOT
Force measuring and weighing
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RS485 sensor acquisition software

Brake shoe pressure software
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PT500-301

Model: pt500-301
Adopt imported pressure sensitive chip; select the chip technology;
Constant voltage supply, differential bridge output;
Imported elastic materials, strict machining, heat treatment, aging treatment process;
More than 1 million service life;
High impedance, high precision and high stability;

Common keywords:
Pressure transmitter core pressure transmitter chip
Pressure sensor core pressure sensor chip
Pressure core of pressure chip

Product parameters
Specification parameter
Ordering considerations
Precautions for use
Common problem
Proposal

Chip:

Adopt imported pressure sensitive chip; select the chip technology;
High impedance, high precision and high stability;

elastomer:
Imported elastic materials, strict machining, heat treatment, aging treatment process;
More than 1 million service life;

Structure:
Deep argon arc welding, connecting elastic material and process joint, high strength, impact resistance and fatigue resistance;
The overall structure is small and the process connection mode is diversified (thread M20, M16, M12, G1 / 4, G1 / 2, 1 / 2NPT, 1 / 4NPT, flange connection, quick joint, welding, etc.);
Process connection material: 304 or 316;
Four core color wire or enameled wire;

Signal processing:
Constant voltage supply, differential bridge output;
With temperature compensation;

Application:
Pressure sensing core of pressure transmitter;
Pressure sensor core;
Pressure measurement in other civil / industrial automation fields

Application fields:

Oil pressure system
Metallurgical equipment
Gas supply system
Gas supply pipeline
Constant pressure water supply
Hydraulic equipment

Product family:

1、 Technical parameters

Measuring medium: liquid and gas (compatible with connecting materials of product process)
Pressure form: gauge pressure, absolute pressure
Range: 0 ～ 0.6 ～ 60MPa; - 0.1 ～ 0 ～ 0.6 ～ 5MPa
Comprehensive accuracy: ± 0.25% FS; ± 0.5% FS; ± 1% FS
Non linear: ≤ 0.25% FS
Repeatability: ≤ 0.1% FS
Output signal: 1.0 ± 0.5mv/v (four wire system / six wire system) differential bridge output
Power supply voltage: constant voltage: 5VDC (3-10vdc)
Insulation impedance: ≥ 1000m Ω / 100VDC
Output impedance: range 0-20mpa: 2000 Ω; range 21-60mpa: 1650 Ω
Medium temperature: - 20-80 ℃
Ambient temperature: - 20 ～ 70 ℃
Compensation temperature: 0 ～ 70 ℃
Response time: ≤ 5ms
Overload pressure: 150% FS
Failure pressure: 5 times of range (range less than 5MPa); 3 times of range (range greater than 5MPa)
Electrical connections: direct leads
Protection grade: IP65
Connecting cable: four core color cable, standard length: 50mm
Connection material: 304 / 316L
Process connection: m20x1.5, G1 / 2, G1 / 4, ZG1 / 4, 1 / 4NPT, ZG1 / 2, G3 / 8, m12x1.5
2、 Specification and model

3、 Structural dimensions

4、 Electrical connection

5、 Installation method

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 power supply of pressure core is constant voltage source (3-10vdc);

The core output is differential bridge output;

The output signal is about (0.6-1.5) MV / V

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;

The power supply of the product is constant voltage power supply, 5VDC (range: 3-10vdc);
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;
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 the protection of the lead of the pressure core. When it is connected with the amplification conditioning board or the acquisition card, the lead is strictly prohibited from being pulled;
The pressure core is a precision measuring instrument. Do not force 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;
No water or water leakage is allowed for the product instrument, and protective devices shall be installed in the open air to avoid direct sunlight;

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