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Product description of strain type pressure transmitter:

Model: PT500-503H
Precision stable pressure core body;
The structure of high temperature heat sink with damping is suitable for pressure measurement when the medium temperature is between 100 ℃ and 500 ℃;
Zero point, fullness, temperature compensation and linear compensation;

Common keywords:
High temperature pressure transmitter high temperature pressure sensor
Steam pressure sensor boiler pressure sensor

Chip:
Precision stable 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;
High impedance, high precision and high stability;
More than 1 million times of service life;

Signal processing and output:
24 bit ADC sampling and processing chip;
DSP digital signal conditioning algorithm;
Multipoint linear 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);

Digital communication signal output: rs485-rtu, ultra-low power rs485-rtu
Advanced 32 bit microprocessor and 24 bit ADC are adopted
The transmission protocol is MODBUS-RTU
Support baud rate: 1200 ~ 57600bps, check bits: none, odd, even
Support the user's secondary calibration, reset, anti reset, restore factory operations
Support 11 kinds of units switching, support floating point, integer, percentage, formatted output
The acquisition interval of 0 ~ 43200 seconds (12 hours) can be set, which can not only meet the needs of high-speed acquisition, but also trigger acquisition once to minimize power consumption

Digital communication signal output: CAN2.0B
Measurement rate: 10... 1000Hz can be set, the default is 50 Hz
CANopen output built-in complete CANopen protocol stack, in line with ds301, ds404 specifications, support LSS services, support bootloader online upgrade;
Support baud rate (kbps) 20/50/100/125/250(default)/500/800/1000; support features of NMT/heartbeat/SDO/PDO/LSS/bootloader; CANopen protocol stack can be customized according to user requirements;

J1939 output has built-in J1939 protocol stack. PGN, SPN and name can be configured freely, and bootloader online upgrade is supported;
Support baud rate (kbps) 20/50/100/125/250 (default)/500/800/1000; support free configuration of features such as PGN, SPN and name
The J1939 protocol stack can be customized according to the user's requirements;

Structure:
Thick film, thick film, high resistance to arc impact;
PU film structure: laser welding, connecting elastic material and process joint, transmitting pressure with silicone oil medium, fast response, fatigue resistance, small range;
The structure of high temperature heat sink with damping is suitable for pressure measurement when the medium temperature is between 100℃and 500℃;
Small structure, a variety of electrical connection mode outgoing line, can be equipped with explosion-proof electrical connection;
Various process connection modes (m20x1.5, G1/2, ZG1/2, 1/2NPT (thread diameter≥17mm) DN50,etc.);
Supporting four/five core shielded cable;
Process connection material: 304 or 316;

Application:
Pressure measurement and monitoring of medium and high temperature media such as steam, high temperature oil, hot water, etc;
Equipment pressure measurement in industrial/power/Petroleum/automation fields;

Application fields:

Water level measurement and monitoring of tunnel and Bridge
Steam supply system
Oil pressure system
Metallurgical equipment

Product family:

PT124

Specification parameter

Measuring medium: liquid, gas, steam, etc
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
Nonlinearity: ≤ 0.5% FS
Repeatability: ≤ 0.25% FS
Output signal:
Current type: 4-20mA two-wire system; 4-20mA / 0-20mA three-wire system
Voltage type: 0 ~ 5VDC, 0 ~ 10VDC, 0.5 ~ 4.5vdc three wire system
Digital type: rs485-rtu, low power rs485-rtu
CAN2.0B (supports CANopen, J1939 Protocol)
Supply voltage:
24VDC(9～30VDC)
5VDC (0.5 ～ 4.5vdc output type)
3.1 ~ 6.1vdc (low power rs485-rtu)
Service life: ≥ 1 million times
Insulation impedance: ≥ 1000 m Ω / 100VDC
Load impedance: current output: ≤ 800 Ω; voltage output: ≥ 50K Ω
Medium temperature: - 20 ～ 150 ℃ / 250 ℃ / 350 ℃ / 500 ℃/
Ambient temperature: - 20 ～ 70 ℃
Compensation temperature: 0 ～ 70 ℃
Response time: ≤ 5ms
Overload pressure: 150% FS
Failure pressure: 3 times of measuring range (less than 40MPa); 2 times of measuring range (measuring range greater than 41mpa)
Electrical connection: Waterproof tight wire nut directly leads out, can be matched with explosion-proof electrical connection
Protection grade: IP65 / IP68
Connecting cable: hesman (din43650) / tightening nut / aviation connector, etc., standard length: 3M
Connection material: 304 / 316L
Process connection: m20x1.5, G1 / 2, ZG1 / 2, 1 / 2NPT, DN50 Specification can be made by users

UOTPUT

五、安裝方式

Ordering considerations

Precautions for ordering PT500-503H 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 / 0-20mA, 0-5V / 10V output, DC 12-30vdc power supply;
General rs485-rtu output, DC 12-30vdc power supply;
0.5-4.5vdc output, DC 5VDC;

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

It is strictly prohibited that the power supply scope of the product exceeds the product standard;
It is forbidden to use hard objects (such as: screwdrivers, fingers, nails, etc.) to make the pressure diaphragm output by pressure measurement;
The power supply and signal lines shall be correctly connected according to the product specifications;
When the product is installed, the stress part is "process connection hexagonal wrench", and the wrench size is corresponding to the hexagonal wrench;
It is strictly prohibited that the medium temperature, pressure range and excitation voltage of the measured system exceed the rated range of the transmitter;
Pay attention to protect the outgoing cable of transmitter. When the span is too large, it is recommended to use metal tube for protection or overhead;
Pressure transmitter is a kind of precision measuring instrument. Do not force impact and fall to avoid damaging the core
The product is installed in a ventilated, dry and non corrosive environment. It is installed in the open air with protective devices to avoid direct sunlight;
Water / water leakage / soaking is strictly prohibited in the instrument of the product. Protective devices are installed in the open air to avoid direct sunlight;

Common problem

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