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Model  72-10395 Operating Manual

 

 

measuring AC/DC voltage, frequency, duty cycle, resistance, capacitance, diode, 
forward voltage drop and continuity.   
 
The  manual has specified the  rules for safe operation  and notes. Please read it 
carefully  before using the device and  strictly follow all warnings and notes during 
operation. 
 

  Warning: Please read “Rules for Safe Operation” before operation. 

 

III.

 

Functions 

A.

 

Outline structure (See figure 1) 

1.

 

LCD display 

2.

 

Selecting  resistance, capacitance, diode or continuity measurements (SELECT 
button) 

3.

 

Relative value measurement (REL button) 

4.

 

Rotary knob 

5.

 

Hz/% measurement (DCV, ACV, and Hz/% stall)

 

6.

 

Data Hold

 

7.

 

Positive input end (red test probe) 

 

8.

 

Negative input end (black test probe)

 

 

 

 

B.

 

Button Function Descriptions 

1.

 

SELECT button 

It is used for function switching among resistance, capacitance, and buzzer continuity 
and diode measurements, indicated by beeping during the operation. 
Press the button to activate the device in standby mode and cancel the auto power off 
function 

2.

 

REL button (Relative Value Measurement) 

Summary of Contents for 72-10395

Page 1: ...Model 72 10395 Operating Manual Pocket Size Digital Multimeter Model 72 10395 ...

Page 2: ...unction descriptions 2 Ⅳ Technical Specifications 3 A G eneral specifications 3 B A ccuracy specifications 4 Ⅴ Operations 5 1 D C voltage measurement 5 2 A C voltage measurement 5 3 R esistance measurement 6 4 F requency and duty cycle measurement 6 5 D iode and continuity measurement 6 6 C apacitance measurement 7 Ⅵ Battery Replacement 7 ...

Page 3: ...ful when the measured voltage is above DC 60V and AC 42V RMS so as to avoid electric shock 5 Do not use the meter before the back cover is well installed 6 No measured signal should be above the specified limits 7 No stall change of rotary knob is allowed during measurement 8 Do not change internal wiring without authorized permission As it will cause meter damage and user injury 9 To ensure accur...

Page 4: ...e figure 1 1 LCD display 2 Selecting resistance capacitance diode or continuity measurements SELECT button 3 Relative value measurement REL button 4 Rotary knob 5 Hz measurement DCV ACV and Hz stall 6 Data Hold 7 Positive input end red test probe 8 Negative input end black test probe B Button Function Descriptions 1 SELECT button It is used for function switching among resistance capacitance and b...

Page 5: ...he test Under Hz mode press Hz button to switch between Hz and measurement IV Technical Specifications A General specifications 1 Max voltage between the voltage input terminal and ground 600Vrms or 600 DCV 2 Range selection Auto 3 Measuring rate 3 times per second 4 Max display 3999 3 3 4 digits 5 Over range display OL 6 Polar indication icon for negative input 7 Low battery display icon on LCD 8...

Page 6: ... Range Resolution Accuracy a readings b digits Input Protection Description Capacitance CAP F 4 000nF 0 001nF 600V AC For reference only 40 00nF 0 01nF 4 3 Measuring in relative measuring mode the open circuit voltage is around 0 45V 400 0nF 0 1nF 4 000μF 0 001μF 40 00μF 0 01μF 100μF 0 1μF 5 10 When measured capacitance is above 100μF the reading is for reference only Frequency Hz 99 9Hz 0 1Hz 0 5...

Page 7: ...s appear on LCD 2 Connect the black test probe to the cathode of the power to be measured and the red test probe to the anode of the power to be measured 3 Read measuring results displayed on LCD 4 Reverse test probes in measurement then LCD will display negative readings Figure 2 Figure 3 2 AC voltagemeasurement See Figure 3 1 Turn the knob to ACV stall Auto and AC icons appear on LCD 2 Connect t...

Page 8: ...veral seconds to get stable readings 4 Frequency and duty cyclemeasurement See Figure 5 1 Turn the knob to Hz DCV or ACV stall 2 Press Hz button to access frequency measurement 3 Connect test probes in parallel to frequency signal source to be measured 4 Read measured results on the display 5 Press Hz button again to access measurement Notes The measured resolution based on frequency and waveform ...

Page 9: ...ct relative value measuring mode 3 Press REL button once 4 Connect test probes to the capacitance to be measured and read data on LCD Notes Fully discharge capacitance before measurement As for in line capacitance measurement it is required to turnoff all power supplies in the measured circuit and fully discharge all capacitors If the capacitance being measured has polarity ensure that the red pro...

Page 10: ...Model 72 10395 Operating Manual 8 Tenma Test Equipment 405 S Pioneer Blvd Springboro Oh www tenma com ...

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