Function |
Range |
Resolution |
Accuracy |
Resistance |
3mΩ – 3Ω |
1uΩ |
±1% fs. ± 20 dgt. |
DC Voltage |
7V – 71V |
1mV |
±0.2% fs. ±10 dgt |
Temperature |
-10.0°C~60.0°C |
0.1°C |
±1.0°C |
Temperature and humidity |
23°C ± 5°C below 75% RH. |
Power supply |
DC 3.7V lithium battery |
Maximum input voltage |
DC 70V (between + measurement terminal and – measurement terminal), no AC input |
Measuring Method |
Internal resistance measurement: 1KHz (AC 4-terminal test method, open-circuit terminal voltage 3V max)
Measuring current: 2.0mA~200mA (different measuring currents in different ranges
Temperature measurement: NTC temperature sensor (10KΩ at 26°C)
A/D conversion method: Successive approximation type
Display update frequency: 5 times/second
|
Response time |
200ms |
Measure time |
About 2 seconds |
LCD Size |
70.1mm x 52.6mm /3.5 inches (320×240 resolution 16-bit true color screen) |
Instrument size |
190mm x 121mm x 51mm |
USB interface |
With a USB interface, the stored data can be uploaded to the computer, saved, and printed |
Bluetooth connection |
Yes |
Hold and store function |
Manual retention and storage, automatic retention, and storage |
Measurement judgment function |
Pre-set PASS, WARNING, FAIL judgment thresholds |
Low Battery Indication |
Yes |
Automatic shut-down |
No operation when power on, it will power off automatically after about 15 minutes (can be turned off in the settings) |
Power consumption |
300mA MIN / 500mA MAX |
Weight |
80g (with battery) |
Working temperature and humidity |
-10°C~40°C below 80% RH |
Storage temperature and humidity |
-20°C~60°C below 70%RH |
Insulation resistance |
Above 20MΩ (500V between circuit and case) |
Withstand voltage |
AC 3700V/RMS (between circuit and case) |
External magnetic field |
<40A/m |
External electric field |
<1V/m |
Suitable for safety regulations |
IEC 61010 |