Tenma 72-10395 User Manual

Pocket Size Digital Multimeter

Model: 72-10395

IMPORTANT SAFETY INFORMATION Please read these instructions carefully before use and retain for future

reference.

This digital multimeter is designed and manufactured in accordance with IEC61010, double insulation, CAT II 600V overvoltage and pollution grade 2 safety standard. Please operate according to this manual, otherwise the protection provided by the device will be impaired or fail.

• Check the test leads, probe and case insulation function before using. If you nd any breakage or abnormality, or you consider the device is broken, stop using the device immediately.

• When using the test probes, keep your ngers behind the nger protection ring

• Ensure all inputs are less than the range selected otherwise it may cause electrical shock or meter damage.

• Take caution when voltages are above 60V DC and 42V AC rms.

• Do not use the meter with the back cover removed.

• Do not adjust the range selector during measurement.

• Replace the batteries as soon as the low battery indicator appears on the display.

• Remove dead batteries from the meter or if it is not going to be used for a long time.

• Never mix old and new batteries together, or different types of batteries.

• Never dispose of batteries in a re, or attempt to recharge ordinary batteries.

• Before replacing the battery, turn off the meter and disconnect all the test probes.

• To prolong battery life turn off the meter after use.

WHAT’S INCLUDED

• Digital palm size Multimeter with test leads.

• Instruction manual.

ELECTRICAL SYMBOLS GUIDE

Low battery Grounding Warning

Continuity Buzzer AC DC

Fuse Double insulated Diode

FUNCTIONS

1. LCD display

2. Select button (press to switch between resistance, capacitance, diode or continuity measurements).

3. REL button (relative value measurement).

4. Range selector.

5. Hz / % measurement (press this button to switch between DC V, AC V and Hz / %).

6. Data Hold (press this button to hold displayed values).

7. Positive input end (red test probe).

8. Negative input end (black test probe).

OPERATING PARAMETERS

• Ambient temperature: 23ºC ± 5ºC.

• Relative humidity: ≤75%

• Auto power off - the meter will enter the standby mode if there is no operation of the range selector and buttons within 30 minutes. In standby mode it can be reactivated by pressing any button or turning the range selector.

• Pressing SELECT button to activate the meter will cancel Auto Power Off function.

Function Range

4.000nF 0.001nF

40.00nF 0.01nF

400.0nF 0.1nF

Capacitance

CAP (F)

Frequency

(Hz)

Duty Cycle 0.1%~99.9% 0.10% 600V AC

Diode 1mV 0.5V~0.8V 600V AC

Buzzer

Continuity

Low Voltage

Indication

4.000μF 0.001μF

40.00μF 0.01μF

100μF 0.1μF ±(5%+10)

99.9Hz 0.1Hz

0.999kHz 0.001kHz

9.99kHz 0.01kHz

99.9kHz 0.1kHz

Res

olution

0.1Ω ~ ≤60Ω 600V AC

Accuracy

± (a%

readings

+b digits)

±(4%+3)

±(0.5%+3) 600V AC

~ <2.4V

Input

Protection

600V AC

Description

For ref only

Measuring in relative

measuring mode, the open

circuit voltage is around

0.45V

When measured

capacitance is

above“100μF”, the reading

is for reference only

Input sine wave,

10Hz~10kHz:≥1Vrms

10kHz~100kHz:≥30Vrms

Press DUTY button to

switch to the measuring

mode when the knob is

turned to AC/DC stall (the

reading is for reference

only)

Open circuit voltage is

about 1.5V

Continuity resistance

≤60Ω: buzzer beeps;

>60Ω: not necessarily

to beep, and displays

approximate resistance

value with unit “Ω”

icon

appears

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