Technical Parameters
Resistance measuring range
0.001-120 Ω
Resistance measuring accuracy
1 mΩ
Capacitance measuring range
10pf-20000uf
Capacitance measuring accuracy
1pf
*This Milliohm meter is not suitable for too much high accuracy Capacitance Testing. Capacitance testing results may be NOT very accurately because of capacitors characteristics.

Operating power supply
7-12VDC, recommend 9VDC
Operating current

Operating temperature
-10 to +50℃; 85% R.H., non-condensation
Storage temperature
-20 to +65℃; 85% R.H., non-condensation
Size
57x45x20mm
Terminal Description
Terminal code
Description
VDD
7-12V operating power supply +
GND
7-12V operating power supply-
R+
Connect to resistance
R-
Connect to resistance
CAP
Connect to Capacitance +
GND
Connect to Capacitance -
Button Function
Button Code
Description
FUN
Resistance and capacitance measurement switching
Mes /Cal
Testing meter calibration
* Resistance measurement calibration: Short-circuited connect resistance measuring wire, then press [Mes/Cal] button.
* Capacitance measurement calibration: Open-circuited connect capacitance measuring wire, then press [Mes/Cal] button.
* This Milliohm meter is not suitable for too much high accuracy Capacitance Testing. Capacitance testing results may be NOT very accurately because of capacitors characteristics, thanks. Milliohm Meter package including:
1 Unit x Original HR390 Milliohm Meter Low Resistance Capacitance Tester 1 Set x Alligator testing clip