Milliohmmeter Low Resistance Tester Ohmmeter Measurable Resistance Milliohmmeter

1、 Overview: HR390 is a small milliohmmeter that can measure resistance. It is simple to use 2、 Product application: Measure the resistance value 3、 Technical parameter table: 1. Resistance measurement range 0.001 ～ 120 Ω 2 Measurement of resistance resolution 1 m Ω 3 Capacitance measurement range 10pf~20000uf 4 Capacitance resolution 1pf 5 Operating voltage 7 ～ 12 VDC 6 Working current<100 mA 7 Size 57 * 45 * 20 mm L x W x H 4、 Interface Description and Related Operations P1 wiring definition: Meaning of serial number symbol 1 Power supply positive pole of VDD module (7V~12V) 2 GND module power supply cathode P3 wiring definition: Meaning of serial number symbol 1. R+connection measuring resistance 2. R-connected measuring resistance 3. CAP is connected to the positive pole of measuring capacitance 4. GND is connected to the negative pole of measuring capacitance 4、 Key description FUN: switch to measure capacitance or resistance Mes/Cal: calibration (resistance short circuit measurement line calibration, capacitance open circuit measurement line calibration)

• HR390 is a small milliohmmeter that can measure resistance
• Measure the resistance value
• Resistance measurement range 0.001 ～ 120 Ω
• Measurement of resistance resolution 1 m Ω