Foshan puliang Electronic Co., Ltd

pressure measurement

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Temperature humidity sensor
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PT100S temperature transmitter

High precision, stable, digital calibration, adjustment and amplification integrated circuit;
With zero point, full scale and temperature compensation; Fast response, sensitive response, high precision and long-term stability;
A wide range of output signal types, 4-20mA / 1-5vdc / rs485-rtu;
Four digit display meter with adjustable decimal places. Sampling rate of meter: 10 times / S;
The product has fast response, sensitive response and high precision;

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

Model: PT100S digital display temperature transmitter

Imported PT100 platinum resistor / J, K and e thermocouple temperature core is adopted;

The product structure is divided into:
2088 hammer type temperature transmitter;
Cylindrical hesman temperature transmitter;
Chip split temperature transmitter, etc;

High precision, stable, digital calibration, adjustment and amplification integrated circuit;
With zero point, full scale and temperature compensation; Fast response, sensitive response, high precision and long-term stability;
A wide range of output signal types, 4-20mA / 1-5vdc / rs485-rtu;
Four digit display meter with adjustable decimal places. Sampling rate of meter: 10 times / S;
The product has fast response, sensitive response and high precision;
Industrial grade 2088 cast aluminum alloy explosion-proof shell;
The waterproof tightening nut directly leads out, which can be equipped with explosion-proof electrical connection, IP65 protection and four core shielded cable;
304 / 316 / material shell, probe rod length / diameter / thread specification / flange size can be formulated;
Temperature range: - 198 ℃ ~ - 40 ℃ ~ 0 ~ 100 ℃ ~ 500 ℃ ~ 1000 ℃;
Probe rod length / diameter / thread specification / flange size can be formulated;
It can replace foreign high-voltage products of the same type;

Pt100s digital display temperature transmitter is mainly used in:
Ambient temperature / greenhouse temperature monitoring;
Equipment temperature monitoring;
Temperature measurement and control in automation / Agriculture / chemical industry / electric power / meteorology and other fields;

Application fields:

Intelligent fire control
Steam supply system
petrochemical industry
Petroleum Pipeline
Casting equipment
Extruder equipment

Product family:

PT100S temperature transmitter

Measuring medium: liquid, gas, solid, particle, etc. (compatible with product process connection materials)
Pressure form: gauge pressure and absolute pressure
Range:
-198 ℃ ~ 100 ℃ / mainly measure the temperature of ultra-low temperature medium;
-50 ℃ ~ 100 ℃ / mainly measuring ambient temperature;
0 ℃ ~ 100 ℃ ~ 500 ℃ / PT100 type measures the temperature of high-temperature medium;
0 ℃ ~ 500 ℃ ~ 1000 ℃ / thermocouple type to measure the temperature of high temperature / ultra-high temperature medium;
Temperature chip:
PT100 / PT1000 thermal resistance;
J / K / E and other thermocouples;
Comprehensive accuracy:
±0.25%FS, ±0.5%FS；
±1%FS；
±2%FS；
Output signal:
Current type: 4-20mA (two-wire system);
Voltage type: 1-5vdc (three wire system);
Digital communication type: rs485-rtu (four wire system);
Four digit display, display range: - 1999 - 9999
Sampling rate of temperature meter: 10 times / S
Power supply voltage: 24VDC (12-30vdc) / general type output signal power supply;
Insulation impedance: ≥ 1000 m Ω / 100VDC;
Medium temperature:
-198 ℃ ~ 100 ℃ / mainly measure the temperature of ultra-low temperature medium;
-50 ℃ ~ 100 ℃ / mainly measuring ambient temperature;
0 ℃ ~ 100 ℃ ~ 500 ℃ / PT100 type measures the temperature of high-temperature medium;
0 ℃ ~ 500 ℃ ~ 1000 ℃ / thermocouple type to measure the temperature of high temperature / ultra-high temperature medium;
Ambient temperature: - 40 ~ 70 ℃
Stability: ≤± 0.5% FS / year
Vibration influence: ≤± 0.25% FS / year (mechanical vibration frequency 20Hz ~ 1000Hz)
Withstand pressure: less than 10 atmospheres in general, customized for special requirements
Protection grade: IP65 / IP68
Connecting material: 304 / 316L / corundum, etc
Process connection: m20x1 5. G1 / 2, specifications formulated by users

PT100S digital display temperature transmitter

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

2. Product output / accuracy level / power supply mode:
Current type: 4-20mA (two-wire system), 0-20mA (three wire system);
Voltage type: 0-5vdc, 0-10vdc, 0.5-4.5vdc (three wire system);
Digital communication type: rs485-rtu, TTL, RS232, low power consumption RS485 (four wire system);

Supply voltage:
24VDC (12-30vdc) / general type output signal power supply;
5VDC / output 0.5-4.5vdc;
3.7vdc (or battery powered) / low power output power supply;

3. Users need to understand the characteristics of the measuring medium of the product:
Medium specification, medium temperature, medium purity (whether it contains 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 grade;
Vibration range of equipment;
Pressure seal mode: taper seal, end face seal, arc seal and spherical seal;
Whether the installation space meets the overall dimension of the product;

PT100S digital display temperature transmitter
For installation and use, please check whether the relevant parameters of the product label and certificate are consistent with the operating conditions;
When the thermal resistance / thermocouple is installed, its insertion depth shall not be less than 8 ~ 10 times of the outer diameter of the thermal resistance protection tube;
Increase the heating part of thermal resistance / thermocouple as much as possible;
The thermal resistance / thermocouple shall be installed vertically as far as possible to prevent bending and deformation at high temperature.
In order to reduce the error during the use of thermal resistance / thermocouple, the surface of protective sleeve shall be close to the temperature of measured medium as much as possible;
When installing the product, the stressed part is "process connection hexagonal wrench position", and the wrench specification corresponds to the hexagonal wrench position;
It is strictly prohibited that the medium temperature, pressure range and excitation voltage of the measured system exceed the rated service range of the transmitter;
Pay attention to protect the sensor / transmitter cable or compensation wire;
Try to avoid direct access to user devices or electrical appliances causing interference;

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