Measure | DC millivolt | Range | N/A | -5 ~ 550mV | -20 ~ 220mV |
Accuracy= ±( % of Reading+ % of Range) | 0.02%+0.01% | 0.02%+0.02% |
Resolution | 1uV/10uV | 0.01mV |
DC voltage | Range | N/A | N/A | -5 ~ 55V |
Accuracy= ±( % of Reading+ % of Range) | 0.02%+0.01% |
Resolution | 0.1mV/1mV |
DC current | Range | N/A | N/A | -4 ~ 55mA |
Accuracy= ±( % of Reading+ % of Range) | 0.02%+0.01% |
Resolution | 1uA |
Resistance | Range | N/A | 0 ~ 5.5KΩ | N/A |
Accuracy= ±( % of Reading+ % of Range) | 0.05%+0.02% |
Resolution | 0.01Ω/0.1Ω |
Frequency | Range | N/A | N/A | 3 ~50KHz |
Accuracy | ±2words |
Resolution | 0.01Hz/0.1Hz/1Hz |
Switch | Range | N/A | N/A | CLOSE/OPEN |
Threshold | 200 ~300Ω |
Pressure | Range | N/A | N/A | Depends on the pressure module |
Accuracy= ±( % of Reading+ % of Range) | Depends on the pressure module |
Resolution | 5 digit display |
Loop power supply | Range | N/A | N/A | 24V |
Accuracy | ±10% |
The maximum current | 22mA |
Thermocouple | Range | N/A | 10types(R/S/K/E/J/T/B/N/L/U) | N/A |
Accuracy | 0.7℃ |
Resolution | 0.1℃/1℃ |
RTD | Range | N/A | 6types(Pt100/Pt200/Pt500/ Pt1000/Cu10/Cu50) | N/A |
Accuracy | 0.5℃ |
Resolution | 0.1℃ |
Continuity beeper | Range | N/A | 0 ~500Ω |
|
Accuracy | ≤50Ω Sound | ≤250Ω Sound |
Resolution | 0.01Ω |
|
Other functions | Backlight | √ | √ | √ |
Auto Power-off | √ | √ | √ |
Charging function | √ | √ | √ |
Room temperature display | √ | √ | √ |
Battery detection | √ | √ | √ |
Communication function | RS232 serial communication, can realize remote control instrument by the device driver software |
The mathematical treatment | Data hold、zero、average | Data hold、zero、average | Data hold、zero、average |