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Pressure Calibrator
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Industrial Internet of Things System
Thermocouple and Thermal Resistance Calibrator Multi Functional Thermal Calibrator Thermal Signal Calibrator
YH811 Multi Functional Thermal Calibrator
Get a quote 010-61779398 /13911500176
iconProduct overview

YH811 Multi Functional Thermal Calibrator

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iconProduct function

◆High accuracy measurement and output of mV, V, mA, Ω, eight types of thermocouples, and four types of thermal resistance;

◆The temperature value, corresponding millivolt value, and resistance value are displayed simultaneously during thermocouple and thermistor measurement and output;

◆Thermocouples have automatic or manual cold junction temperature compensation functions, which facilitate the calibration of thermocouple instruments or equipment;

◆Ω and thermal resistance measurements can be completed: two-wire measurement, three wire measurement, four wire measurement;

◆Simple measurement input and simulation output connection, convenient operation mode;

◆All simulation outputs have step outputs, and the step size can be freely set by the user, with output percentage display; When outputting in steps, it can display the measured error value;

◆During temperature measurement, the error is displayed in ℃, while other functions display relative errors;

◆During measurement, zero drift can be cleared, self calibration function is available, and there is no need to return to the factory for calibration;

◆Large capacity lithium battery with real-time battery voltage display function, equipped with power adapter;

◆Equipped with simulated two-wire transmitter current loop output function.

iconTechnical index


Measurement Function
FunctionScopeAccuracyRemarks
Voltage V0～10.0000V0.01%F.S + 0.01%RD
Voltage mV0～100.000mV0.01%F.S + 0.01%RD
Current mA0～20.0000mA0.01%F.S + 0.01%RD
ThermocoupleS R B K N E J T0.5℃0.1℃ Resolution ratio
Thermal resistancePt10 Pt100 Cu50 Cu1000.5℃0.1℃ Resolution ratio
Frequency（0～50）KHz±0.004%1HZ Resolution ratio
Pulse0～999999±1 Pulse
The above accuracy does not include sensor error and cold end compensation, with a cold end compensation temperature error of 0.5 ℃
Output Function
FunctionScopeAccuracyRemarks
Voltage V（0～10.0000）V0.01%F.S + 0.01%RD
Voltage mV（0～100.000）mV0.01%F.S + 0.01%RD
Current mA（0～30.0000）mA0.01%F.S + 0.01%RD
ThermocoupleK; E; J; T; N; R; S; B0.5℃0.1℃ Resolution ratio
Thermal resistancePt10 Pt100 Cu50 Cu1000.5℃0.1℃ Resolution ratio
Frequency（0～50）KHz±0.002%0.1Hz
Pulse0～999999±1 Pulse


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Frequentlyquestions

The verification process can perform data analysis, calculation and automatic identification of excess errors;

Is the hydraulic pressure of the pressure pump unstable or unable to generate pressure normally?
Reasons: 1. Insufficient fuel level in the fuel tank; 2. Damage and leakage at the pipeline joints during transportation; 3. The sealing of the "○" ring of the quick connector is damaged; 4. The air in the system is too much or not completely discharged. Methods of solution: 1. Loosen the fuel tank cap or refuel the fuel tank; 2. Tighten the pipeline joints; 3. Replace the "○" ring (diameter 9 * 2.65); 4. Repeatedly pumping the charging pump allows the air in the system to be discharged with the fuel tank.
The common reasons for unstable hydraulic pressure or inability to generate pressure normally.
1. Insufficient fuel level in the fuel tank; 2. Damage and leakage at the pipeline joints during transportation; 3. Quick connector "○" ring seal damaged; 4. Too much or uncleaned air in the system.
What are the common reasons for empty pressure of pressure pump of manual pressure calibrator?
Reasons: 1. The directional valve does not change direction properly, resulting in air leakage; 2. The positive pressure check valve or negative pressure check valve does not reset after movement, resulting in air pressure phenomenon. Methods of solution: 1. The reversing valve must be reversed in place, and the reversing valve stem cannot be suspended in mid air; 2. Check if the one-way valve seat holes for positive and negative pressure do not meet the requirements; 3. The spring is severely tilted, and the one-way valve core cannot slide freely.
What are the specific advantages of Yuanhuatc's fully automatic pressure calibrator?
Yuanhuatc has high flexibility and adopts advanced analysis algorithms and automatic control technology, which can quickly and accurately complete verification tasks.
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