User Manual High Resolution Benchtop MilliOhm Meter Models 380560 and 380562 Additional User Manual Translations available at www.extech.
Introduction Congratulations on your purchase of the Extech 380560 (117V) or 380562 (220V) High Resolution MilliOhm Meter. This device offers seven resistance ranges with resolution as low as 0.01mΩ. The 4-wire Kelvin clip connection ensures optimum accuracy. The built-in comparator feature offers HI-LO-GO testing. Typical applications include transformer, motor coil, and PC Board resistance measurements. Careful use of this meter will provide years of reliable service. Meter Description 1.
Measurement Procedure 1. Connect the Kelvin test leads to the meter. 2. Press the POWER pushbutton to turn power on. 3. Position the SET/TEST pushbutton to the TEST position. 4. To check the meter zero, clip the test leads together as shown at right. F+ 5. Select the desired measuring range using the labeled black pushbuttons. When the resistance of the device is unknown, start with the highest range and work downward. S+ FSWhite Bands 6. Clip the leads onto the device under test as shown below. 7.
Specifications General Specifications Circuit Display Connection type Custom one-chip LSI microprocessor circuit 20 mm (0.8") 2000 Count LED Display 4-Terminal Kelvin Measurement ranges Test voltage Comparator Measurement speed Zero adjust Over-range indication Seven ranges (see listing below) 5V DC Built-in HI/LO/GO testing with audible beeper Resistance 1 second, comparator mode 0.
