Operating Conditions | Temperature | 0ºC~+45ºC |
Relative humidity | ≤85%RH |
Measuring range and constant current value (virtual value) | resistance | 0~20Ω(10mA), 20~200Ω(10mA), 20~2000Ω(1mA) |
voltage | AC0~19.99V |
Measurement accuracy and resolution | accuracy | 0~0.2Ω≤±3%±1d |
0.2Ω~199.9Ω≤±1.5%±1d |
1~19.99V≤±3%±1d |
resolution | 0.01Ω, 0.1Ω, 1Ω, 0.01V |
Measurement errors caused by auxiliary grounding resistance and ground voltage | Auxiliary grounding resistance | RC (between C1 and C2) |
0~20Ω≤1KΩ |
20~2000Ω≤2KΩ |
RP (between P1 and P2) <40KΩ error ≤ ± 5%) |
Ground voltage (frequency virtual value) | ≤ 5V error ≤ ± 5% |
Power supply and power dissipation | Maximum power dissipation | ≤2W |
DC | 8×1.5V(AA,R6) battery |
AC | 220V/50Hz |
Dimensions and weight | Dimension | 220×200×105mm3 |
Weight | ≤1.4kg |