Tenma 72-8715 Page 4 Manual Download

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LCD Display

Range Selector

Hold Button

Input Terminals

Light Button

Power Button

Symbol

Terminal input

Explanation

V ←→ COM

DC Voltage Measurement

V ←→ COM

AC Voltage Measurement

V ←→ COM

Resistance Measurement

V ←→ COM

Diode / Continuity Buzzer Measurement

kHz

V ←→ COM

Frequency Measurement

mA μA ←→ COM

mA/μA DC Current Measurement

10A ←→ COM

A DC Current Measurement

mA μA ←→ COM

mA/μA AC Current Measurement

10A ←→ COM

A AC Current Measurement

V ←→ mA μA

(Use Multi-Purpose Socket) Capacitance Measurement

ºC

V ←→ mA μA

(Use Multi-Purpose Socket) Temperature Measurement

hFE

V ←→ mA μA

(Use Multi-Purpose Socket) Triode Enlargement Factor Measurement

Summary of Contents for 72-8715

Page 1: ...1 Model 72 8715 Digital Bench Multimeter ...

Page 2: ... finger protection rings 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 30V AC rms Do not use the meter with the battery or fuse covers 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 ba...

Page 3: ...g altitude 2000m Maximum Display Digital 1999 Measurement Speed Updates 2 3 times second Polarity display Automatic Ω Function buttons Operation performed POWER Turn the power on and off LIGHT Turn display back light on and off HOLD To enter or exit range hold in any mode mV V Unit of Voltage The millivolt volt μA mA A Unit of current Microampere milliampere ampere Ω kΩ MΩ Unit of electrical resis...

Page 4: ...COM Diode Continuity Buzzer Measurement kHz V COM Frequency Measurement A mA μA COM mA μA DC Current Measurement 10A COM A DC Current Measurement A mA μA COM mA μA AC Current Measurement 10A COM A AC Current Measurement F V mA μA Use Multi Purpose Socket Capacitance Measurement ºC V mA μA Use Multi Purpose Socket Temperature Measurement hFE V mA μA Use Multi Purpose Socket Triode Enlargement Facto...

Page 5: ... equal to 10kΩ the error is negligible 0 1 or less DC or AC Current Measurement Warning Before connecting the meter in series with the circuit under test be sure power the circuit is off If the fuse burns out during measurement the meter may be damaged and there is risk of personal injury to the operator Use correct terminals function and range for the measurement When the test leads are connected...

Page 6: ... reading The LCD displays OL indicating open circuit or the resistor value is higher than the maximum range of the meter When resistance measurement has been completed disconnect the connection between the test leads and the circuit under test Continuity Test To test for continuity connect the meter as below Insert the red test lead into the Ω terminal and the black test lead into the COM terminal...

Page 7: ... capacitance connect the meter as follows Use the multi purpose socket and connect to the V and mA μA terminals Set the rotary switch to F Connect the test leads across with the object being measured The measured value shows on the display When measuring capacitance values larger than 600uF it is normal for the meter to require some time to stabilize The LCD displays OL indicating the tested capac...

Page 8: ...ment must between 18ºC to 28ºC to ensure accuracy especially when measuring low temperature Different reading may be obtained when testing room environment under short or open circuit situation then short circuited reading shall be considered as the correct reading Turning on the Display Backlight Warning In order to avoid the hazard arising from mistaken readings in low light situations please us...

Page 9: ...mV 0 8 3 750V Input impedance 10MΩ Frequency 45Hz to 400Hz Display True RMS 20V 10mV 200V 100mV 1000V 1V 1 0 4 DC Current 200μA 0 1μA 0 8 2 Fuse 500mA 250V fast type f5x20mm 2mA 1μA 20mA 10μA 200mA 0 1mA 10A 10mA 2 0 4 Fuse 10A 250V fast type f5x20mm AC Current 2mA 1μA 1 0 3 Fuse 500mA 250V fast type 5x20mm 20mA 10μA 200mA 0 1mA 10A 10mA 2 5 5 Fuse 10A 250V fast type 5x20mm ...

Page 10: ...o 20ºC 8 5 250V rms 20ºC to 0ºC 1 2 4 0ºC to 100ºC 1 2 4 100ºC to 1000ºC 2 5 10 Continuity Test Range Resolution Overload Protection Remarks 1Ω 250V rms Open circuit voltage approximate 3V When circuit disconnected with resistance value 100Ω buzzer does not sound When circuit is in good connection with resistance value 10Ω buzzer sounds continuously Diode Test 1mV 250V rms Open circuit voltage app...

Page 11: ...l type and specification as follows and make sure the fuse is inserted firmly in the holder Fuse 1 250mA 250V fast type 5x20mm AC220V Fuse 2 10A 250V fast type 5x20 mm A Fuse 3 250mA 250V auto recovery 5x20 mm μA mA Fuse 4 500mA 250V fast type 5x20 mm hFE Replacing the Battery Warning To avoid false readings replace the battery as soon as the battery indicator appears when using battery to power o...

Page 12: ...s is required Do not dispose of these items with general household waste Separate for the treatment recovery and recycling of the materials used Waste batteries can be returned to any waste battery recycling point which are provided by most battery retailers Contact your local authority for details of the battery and WEEE recycling schemes available in your area Made in China PR2 9PP Man Rev 1 0 ...

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