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29

30

31

32

Table 13. ACV AVG (60Hz Sine Wave Calibrating)

Range

Resolution

Accuracy

50Hz / 60Hz

50Hz - 1kHz

1kHz - 10kHz

10kHz - 20kHz

80mV

1

m

V

±(1.0%0 rdg + 8)

±(1.5% rdg + 8)

±(4.0% rdg + 8)

±(8.0% rdg + 8)

800mV

 10

m

V

±(0.8%0 rdg + 8)

±(1.5% rdg + 8)

±(4.0% rdg + 8)

±(8.0% rdg + 8)

8V

0.1mv

±(0.8%0 rdg + 8)

±(1.0% rdg + 8)

±(3.0% rdg + 8)

±(5.0% rdg + 8)

80V

1mV

750V

10mV

50Hz - 400Hz : ±(1.0% rdg + 5)

Input impedance : 8mV - 800mV>1000M

V

, 8V - 1000V, 10M

V

, Parallel capacitance<100pF

Table 14. DCA

Range

Resolution

Accuracy

Note

80mA

1

m

A

800mA

10

m

A

± (0.5% rdg + 10)

Fuses : F 800mA / 250V    F 10A / 250V

8A

0.1mA

Voltage drop : 

i

800mV

10A

1mA

Table 15. ACA ( True RMS)

Range

Resolution

Accuracy

Note

80mA

1

m

A

400mA

10

m

A

50Hz - 2kHz

Fuses : F 800mA / 250V    F 10A / 250V

8A

0.1mA

± (0.8% rdg + 10)

Voltage drop : 

i

800mV

10A

1mA

Table 16. ACA AVG (60Hz Sine Wave Calibrating )

Range

Resolution

Accuracy

Note

80mV

1

m

A

400mV

10

m

A

50Hz - 500Hz

Fuses : F 800mA / 250V    F 10A / 250V

8A

0.1mA

± (0.8% rdg + 10)

Voltage drop : 

i

800mV

10A

1mA

Table 17. dBm

Function

Range

Accuracy

Resolution

Note

dBm

-80.00dBm--- + 80.00dBm

±1.0% rdg

0.01dBm

Table 18. Resistance(V)

Range

Resolution

Accuracy

Note

800

V

0.01

V

8K

V

0.1

V

Overload protection

80K

V

1

V

±(0.3% rdg+10)

250V RMS

800k

V

10

V

8M

V

100

V

80M

V

1k

V

±(2.5% rdg+8)

60M

V

-80M

: ±(3.5% rdg+10)

Table 23. Square wave output

 OUT

Description

Voltage amplitude

3V approx.

Frequency

0.5Hz ~ 5000Hz

Duty cycle

1% ~ 99%

Table 24. Temperature

Temp

Accuracy

Resolution

Note

-50

0

C ~ 1372

0

C

±(2.5.% rdg+8)

1

0

C

type K themocouple

-58

0

F ~ 2502

0

F

1

0

F

Table 22. Capacitance

Range

Resolution

Accuracy

Note

500PF-1nF

1pF

±(5.0% rdg+10)

10nF

10pF

100nF

100pF

1

m

F

1nF

±(3.0% rdg+10)

Overload protection : 250V RMS

10

m

F

10nF

100

m

F

 100nF

±(3.5% rdg+10)

Table 20. Frequenc (Hz)

Function

Range

Accuracy

Resolution

Note

999.99Hz

0.01Hz

9.9999kHz

0.1Hz

Overload protection : 250RMS

99.999kHz

±(0.05% rdg+5)

1Hz

Sensitivity : 0.7 RMS

Frequency

999.99kHz

10Hz

8.0000MHz

100Hz

10.0MHz

1kHz

100.0MHz

±(0.1% rdg+5)

10kHz

Plus adapter

1000.0MHz

100KHz

 Table 21. Rotational speed (RPM)

Rotational

Range

Accuracy

Resolution

Note

speed

99999

±(0.1% rdg+5)

1RPM

Plus adapter

Table 19. Diode

Function

Range

Accuracy

Resolution

Note

Diode

8.0000V

±(0.3% rdg+5)

0.0001V

Diode positive Voltage drop

Overload protection: 250V RMS

Summary of Contents for 81K

Page 1: ...s as below l Use the meter only as specified in this manual Other wise the protection provided by the meter maybe impaired l Never measure voltage while the test leads are inserted into the current in...

Page 2: ...MIN AVG MAX MIN and Present Reading on secondary display l Press this push button more than 2 seconds meter retum to normal mode l At MAX MIN state the recording time is 36 hours l While SET button op...

Page 3: ...A Second display volt and current unit 21 Hz kHz MHz V kV MV Frequency and Resistance ohms unit second 22 ms ms Duty cycle unit pulse width unit 23 nF mF Capcitance unit 24 mV V mA A Primary display...

Page 4: ...surement range is important l If the range is too high the meter will not display the must accurate measurement If the range is too low the meter will show OL on the display 2 Auto range and manual ra...

Page 5: ...ce the probes in parallel with a circuit or component when the leads are plugged into the current terminals Never test voltage when test lead plug in mA or 10A terminal Warning to wrong operation when...

Page 6: ...r on the display screen If checking point resistance fall below 50 V the beeper will sound l Hi resistance mode At normal mode press SELECT until Hi sign appear on display screen Using this function c...

Page 7: ...al speed measurement l Square Wave Output This meter can output square wave that frequency is selectable by 2nd VIEW 0 5000Hz 1 0000Hz 2 0000Hz 10 000Hz 50 000Hz 60 240Hz 74 63Hz 100 00Hz 151 50Hz 200...

Page 8: ...80 00dBm 1 0 rdg 0 01dBm Table 18 Resistance V Range Resolution Accuracy Note 800V 0 01V 8KV 0 1V Overload protection 80KV 1V 0 3 rdg 10 250V RMS 800kV 10V 8MV 100V 80MV 1kV 2 5 rdg 8 60MV 80MV 3 5 r...

Page 9: ...ads from terminals 3 Loosen the screw on battery case pull up and moce the case 4 Replace the defective battery 5 Reverse the procedure of opening to close the battery case Fuse Replacement Waring To...

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