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11

Inductance Test

Range

Resolution

Accuracy

Testing Frequency/Current

2mH

0.001mH

±(2%+8)

1kHz/150µA

20mH

0.01mH

200mH

0.1mH

2H

0.001H

±(5%+5)

20H

0.01H

±(5%+15)

100Hz/15µA

Measure of Inductance: 1H=103mH = 106μH.

Overload Protection: 0.315A, 250V, fast type fuse, 5x20 mm

Inductance Test

Range

Resolution

Accuracy

Testing Frequency/Voltage

2.000nF

0.001nF

±(1%+5)

1kHz/150mV

20.00nF

0.01nF

200.0nF

0.1nF

2.000µF

0.001µF

±(4%+5)

20.00µF

0.01µF

100Hz/15mV

200.0µF

0.1µF

600µF

0.001mF

Reference Only

100Hz/1.5mV

Overload Protection: 0.315A, 250V, fast type fuse, 5x20 mm

Measure of Capacitance: 1F=103mF = 106μF= 109nF = 1012pF

Discharge all high-voltage capacitors before testing capacitance.

CLEANING

• 

Periodically wipe the case with damp cloth and mild detergent. Do not use 

abrasives or solvents for cleaning.

• 

Clean the measurement probe tips occasionally, as dirt on the probes can affect 

reading accuracy.

Содержание 72-8150

Страница 1: ...1 Models 72 8150 and 72 8155 Pocket Size Digital Multimeter ...

Страница 2: ...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 fire or attempt to recharge ordinary batteries Before replacing the battery turn off the meter and disconnect all the test probes To pr...

Страница 3: ... 1 x 10 9 or 0 000000001farads Microfarad 1 x 10 6 or 0 000001 farads Millifarad 1 x 10 3 or 0 001 farads 7 k M Measurement of unit of resistance Ohm kiloohm 1 x 103 or 1000 ohms Megaohm 1 x 106 or 1 000 000 ohms 8 H mH Measurement of unit of inductance Henry mH Millihenry 1 x 10 3 or 0 001 henry H 1 LCD display 2 L C switch zero capacitance adjustment switch 3 Transistor jack 4 Resistance diode a...

Страница 4: ...ector to Ω The resistance ranges are 20Ω 200Ω 2kΩ 20kΩ 200kΩ 2MΩ 20MΩ and 2000MΩ Connect the test clips across the object being measured The measured value shows on the display Note When measuring at 20Ω and 200Ω range the test clips can add 0 1 to 0 3Ω error to resistance To obtain precise readings in these low resistance measurement short circuit the input terminals beforehand and record the rea...

Страница 5: ...node and place the black test clip on the component s cathode The display shows the diode forward voltage drop s nearest value When diode test has been completed disconnect the connection between the test clips and the circuit under test and remove the test clips from the input terminals of the meter Transistor testing To test transistors do the following 1 Set the rotary switch to hFE measurement...

Страница 6: ...ection is acceptable When measuring small value capacitor that is 200pF 2nF and 20nF first open circuit the test clips or the Small Value Capacitance Jack then turn the Capacitance Zero Adjustment Switch to adjust zero 72 8150 model The meter displays the measured value When capacitance measurement has been completed disconnect the connection between the test clips and the item under test and remo...

Страница 7: ... value The small value jack on the surface of the meter should be used when measuring small value inductors Note The meter cannot check the quality of the inductance When inductance measurement has been completed disconnect the connection between the test clips and the circuit under test and remove the test clips from the input terminals of the meter BATTERY AND FUSE REPLACEMENT If icon appears on...

Страница 8: ...the case bottom and separate the case top from the case bottom 4 Remove the fuse by gently prying one end loose then take out the fuse from its holder 5 Install ONLY replacement fuses with the identical type and specification as follows and make sure the fuse is fixed firmly in it s holder Fuse 1 0 315A 250V fast type fuse 5x20 mm 6 Replace the battery compartment and the case top and reinstall th...

Страница 9: ...djustment around 20pF Temperature Operating Storage 0o C 40oC 32o F 104o F 10o C 50o C 14o F 122o F Relative Humidity 75 0o C 30o C 50 31 40o C Altitude Operating 2 000 m Storage 10 000 m Battery Type One piece of 9V Alkaline NEDA1604 or 0062 or 6F22 or 006P Low Battery Display Dimensions 6 77 H x 3 27 W x 1 50 D Weight Approximate 310g including battery Safety Compliances EMC EN61326 ...

Страница 10: ...surement minus these 12 digits from the obtained reading When measuring 20Ω and 200Ω range short circuit test clips to display the resistance value of the test lead Subtract this value from the measurement value to obtain the correct tested value ACCURACY Continuity and Diodes Function Range Resolution Overload Protection Diode 1mV 250mV Continuity 1Ω Diode Open Circuit Voltage around 5 8V forward...

Страница 11: ...001nF 1 5 1kHz 150mV 20 00nF 0 01nF 200 0nF 0 1nF 2 000µF 0 001µF 4 5 20 00µF 0 01µF 100Hz 15mV 200 0µF 0 1µF 600µF 0 001mF Reference Only 100Hz 1 5mV Overload Protection 0 315A 250V fast type fuse 5x20 mm Measure of Capacitance 1F 103mF 106μF 109nF 1012pF Discharge all high voltage capacitors before testing capacitance CLEANING Periodically wipe the case with damp cloth and mild detergent Do not ...

Страница 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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