1
HD160C
Heavy-Duty True-rms Digital Multimeter
Contents
Symbols .........................................................................................................................................2
Introduction ..................................................................................................................................2
Warnings and Precautions ...........................................................................................................2
Unpacking and Contents .............................................................................................................3
Display Symbols and Audible Symbols ........................................................................................4
Overload Condition ......................................................................................................................4
Incorrect Input Warning ..............................................................................................................4
Dangerous Voltage Warning .......................................................................................................4
Audible Feedback .........................................................................................................................4
Analog Bargraph ..........................................................................................................................5
Disable Beeper and Auto-Power Off ..........................................................................................5
Measuring Procedures .................................................................................................................5
Measuring DC Voltage (See Figure 1) .........................................................................................5
Measuring AC Voltage - True rms (See Figure 2) ........................................................................6
True rms AC Measurements .........................................................................................................6
Measuring DC Current (See Figure 3) .........................................................................................7
Measuring AC Current - True rms (See Figure 4) ........................................................................7
Continuity Test (See Figure 5) ......................................................................................................8
Resistance Measurement (See Figure 6) .....................................................................................8
Measuring Capacitance (See Figure 7) ........................................................................................9
Measuring Frequency (See Figure 8) ...........................................................................................9
Measuring Temperature (See Figure 9) ......................................................................................9
Button Functions ........................................................................................................................10
RANGE.......................................................................................................................................10
HOLD .........................................................................................................................................10
REL (Relative Measurements) .................................................................................................10
MIN MAX AVG ..........................................................................................................................11
Auto-Power Off ..........................................................................................................................11
Safety Test Leads ........................................................................................................................11
Specifications ..............................................................................................................................12
General Specifications..............................................................................................................12
Electrical Specifications ............................................................................................................12
DC Volts ............................................................................................................................12
AC Volts True rms ............................................................................................................13
DC Current .......................................................................................................................13
AC Current True rms ........................................................................................................13
Resistance .........................................................................................................................13
Continuity Test .................................................................................................................13
Capacitance ......................................................................................................................13
Temperature ....................................................................................................................13
Frequency .........................................................................................................................13
Optional Accessories ................................................................................................................13
Maintenance and Repair ...........................................................................................................14
Battery/Fuse Replacement (Figure 10) ......................................................................................14
Repair Information .....................................................................................................................15
