Suitable for direct reading measurement of resistance, temperature value, mV, and temperature display error (temperature difference) calibration of second-class standard platinum resistance thermometers, second-class standard thermocouples, and industrial platinum resistance thermometers, as well as on-site rapid measurement.

●Using a full Chinese color touch screen for operation, with a user-friendly humanmachine interface.
●Standard channel, inspected channel 1, and inspected channel 2 are all independent channels.
●It can simultaneously measure resistance (Ω)/temperature and voltage with direct reading digital display (℃)/(mV) display.
●Support the storage of characteristic parameters for multiple standard platinum resistance thermometers/standard thermocouples/industrial platinum resistance thermometers.
●Measuring current constant current source commutation, with built-in lithium battery power supply, ultra small and portable, easy to operate.
●Equipped with instrument box and 4 18650 lithium batteries.

Resistance measurement range:  SPRTs: 5Ω～100Ω
                                                     PT100/PT1000: 5Ω～400Ω (PT-100)
                                                                              40Ω～4000Ω (PT-1000)
Thermocouple measurement range:  SPRTs: -30～30 mV
                                                            PT100/PT1000: -30～100mV (TC)
                                                                                    -100～100 mV
Temperature transmitter range:  4～20mA
Temperature display range:  SPRTs: -38.834～29.765℃ (Hg/Ga)
                                                        -189～660.323℃ (Ar/Al)
                                              PT100/PT1000: -200～850℃ (PT-100, PT-1000); 
                                                                       -50～150℃ (Copper resistance)
                                              Standard thermocouple: -50～1768℃ (Standard S/R type)
                                              Precious metal dolls for work: -50～1768℃ (S/R type)
                                                                                               250～1820℃ (B type)
Low cost metal dolls for work:  K/J/N/E/T type
Thermal resistance measurement mode:  2/3/4 line measure
Display resolution:  0.0001Ω/0.0001mV/0.0001mA
Stability:  ±0.001℃/±0.0003mV/±0.0003mA
Measurement accuracy:  5～100Ω: ±(0.0015%R+0.001%FS)
                                        ±30mV: ±(0.003%R+0.002%FS)
                                        5～400Ω: ±(0.005%R+0.002%FS)
                                        ±100mV: ±(0.005%R+0.004%FS)
                                        4～20mA: ±(0.01%R+0.01%FS)
Refresh cycle:  0.2Hz
Constant current:  1.0mA (Alternating)
Heated stabilization time:  30mins
Connection terminal EMF time:  15seconds
Connection termina EMF:  ≤0.4μV
Communication mode:  USB/RS-232
Power supply:  4x3.7V lithium battery
Nominal power:  About 5W
Size:  About 172×127×87mm
Weight:  About 1Kg  

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