PR233 Process Calibrator

PR233 series process calibrator is a thermal special testing instrument. There are two kinds of accuracy grade products available. It not only has the basic function of measurement and simulation for voltage, resistance, current, thermocoup
Product Details
 PR233 series process calibrator is a thermal special testing instrument. There are two kinds of accuracy grade products available. It not only has the basic function of measurement and simulation for voltage, resistance, current, thermocouple, thermal resistance, frequency, switch signal, etc, but also has the ability to measure the value of ρ and pressure (limited to PR233A). The equipment adopts industrial grade touch-screen operation. In addition, you can also select the wireless communication module, so which is easy to operate. This product design is exquisite and easy to carry, so it’s suitable for industrial field. It is the preferred equipment for thermal measurement industry.

Performance characteristics:
● The simulating resistance and thermal resistance are very adaptable. It can provide a stable signal for the two instruments, such as the circle chart recorder, the mechanical balance recorder and so on.
● Its measurement and output functions are isolated from each other, which makes two functions can be used simultaneously.
● Human-computer interaction consists of industrial resistance touch screen and mechanical key. Users can not only set up with the touch screen, but also do common operation with mechanical buttons.
● The function of resistance measurement can be classified as two lines, three lines and four lines.
● High-precision reference junction temperature compensation is put inside, and the fast interface of the thermocouple is installed.
● It is provided with a recording function, which makes the scene of paperless recording can be achieved.
● With isolated 24V power supply put inside, the verification of temperature transmitter is more convenient.
 
 
 

Weight 510g Charging power source 100~240V AC, 50~6HZ
Size 175mm×90mm×52mm Working Tem. -10℃~50℃
Battery type 7.8V 2200mAh Rechargeable lithium battery Charging temp. 5℃~35℃
Working hours 10~15h, Loop power off Humidity 0~80%,Non condensing
4~6h, Loop power on Preheating time Preheat 10 minutes
Charging time 3 hours Carlibration period 1 year
 
Model selection table

Model PR233A-2 PR235A-2
 
 
 
 
 
 
 
 
Measurement function
100mV
1V
50V
50mA
500Ω
5kΩ
Thermal resistanc
Thermocouple
frequency  
 
 
 
 
 
 
 
OUTPUT function
100mV
1V  
10V  
25mA  
350Ω
4kΩ
Thermal resistanc
Thermocouple
frequency  
 
 
 
 

Function Range Measurement range Resolution Accuracy Remarks
Voltage 100mV -5mV~120mV 0.1uV 0.005%RD 5uV Input impedance
≥50mΩ
1V -50mV~1.2V 1uV 0.005%RD 0.005%FS
50V -0.5V~50V 0.1mV Input impedance
≥1mΩ
Current 50mA -5mA~50 mA 0.1uA 0.005%RD 0.005%FS Internal resistance =10Ω
Ohm 500Ω 0Ω~500Ω 1mΩ 0.005%RD 0.005%FS Output 1mA current
5kΩ 0kΩ~5kΩ 10mΩ Output 0.1mA current
Thermocouple S,R,B,K,N,J,E,T,EA2,Wre3-25,Wre5-26 0.1℃ Note According to ITS-90 scale
Reference internal -10℃~60℃ 0.01℃ 0.3℃
Thermalresistance PT10, Pt100,Pt200,Cu50,Cu100, BA1, BA2, JPt100, Pt500, Pt1000 0.01℃ Note
ρ-value 50S 0.001%~99.999% 0.001% 0.005%
 
Input pulse width amplitude range:1V~50V
Frequency 1kHz 0.00001kHz~1.2 kHz 0.01Hz 0.01%FS
100kHz 0.01kHz~120 kHz 10Hz 0.1%FS
Main range temperature characteristics 100mV 1V 50V 50mA 500Ω 5kΩ Need to enter the correction value
0.3uV/℃ 3uV/℃ 10uV/℃ 0.5uV/℃ 0.7mΩ/℃ 7mΩ/℃
                   
 
 
 
 
 

Function Range Measurement range Resolution Accuracy Remarks
Voltage 100mV -5mV~120mV 0.1uV 0.015%RD 10uV Max load curren=7mA
1V -0.2V~1.2V 10uV 0.015%RD 0.005%FS
10V -2V~12V 0.1mV
Current 20mA 0mA~25mA 1uA 0.005%RD 0.005%FS Max load voltage=24V
Ohm 350Ω 0Ω~350Ω 1mΩ Note According to ITS-90 scale
4kΩ 0kΩ~4kΩ 10mΩ
Thermocouple S,R,B,K,N,J,E,T,EA2,Wre3-25,Wre5-26 0.1℃ Note
Thermalresistance PT10, Pt100,Pt200,Cu50,Cu100, BA1, BA2, JPt100, Pt500, Pt1000 0.01℃ Note
Frequency 1kHz 0.00001kHz~1.2 kHz 0.01Hz 0.01%FS Max load curren=7mA
100kHz 0.01kHz~120 kHz 10Hz 0.1%FS
24V output Max voltage error:0.3V Ripple noise:35mVp-p(20MHZ bandwidth)
Max load curren: 70mA Load regulation: 0.5%(load 10%~100% change)
 
Main range temperature characteristics 100mV 1V 50V 50mA 500Ω 5kΩ Need to enter the correction value
0.5uV/℃ 5uV/℃ 50uV/℃ 1.5uV/℃ 1.5mΩ/℃ 15mΩ/℃

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