background image

5

6

7

8

4. Timer [RS 232]

l

Press this button more than 2 seconds the meter enter communication on and "RS232" appear on
display screen .

l

At communication mode auto power off disable.

l

Press this button more than 2 seconds again the meter exit this mode and return normal state.

l

Setting time for measuring see special functions.

5. H

l

Press this button meter enter auto data hold mode and "A-H" appear on display screen .

l

The data hold function allows aperator to hold the dispiayed digital value while analog bar graph
continues showing the present reading.

l

At auto hold mode the meter can refresh hold new stable readings and sound point out.

l

Press this button again, the meter enter Peak + hold modc and a "PH+"appear on display screen.

l

Press this button again, the meter enter Peak - hold mode and "PH-" appear on display screen.

l

Press this button more than 2 seconds the meter exit HOLD mode and return to normal state.

6. 2nd VIEW

1. SELECT

l

Press this button you can select your measurement mode.

l

When meter as square wave output, press this button can select duty of square wave (1% - 99%).

2. RANGE

l

When power on meter it at auto range mode,press this button can select your measurement range.

l

While SET button operating the RANGE change as 

p

(moving up) button. Press this button can move

setting digits up.

l

  Press this push button more than 2 seconds meter return to auto range.

3. MAX / MIN

l

Press this button momentary the meter enter dynamic record mode.

l

At dynamic record mode, press this button momentary again to cycle MAX, 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 operating the MAX / MIN change as 

t

(moving left) button. Press this button can

move setting digits left.

Rotary switch

About rotary switch function refer to table 2
Table 2. functions of rotary switch

position of

Function

rotary switch

   V

AC V

   V

DC V

     mV

DC, AC millivoltage

Diode & continuity

V

Resistance

DUTY/Hz

Duty / Frequency

Capacitance

mA 

--

milliampere current

A  

~

Ampere current

      OUT

Squarer wave output

TEMP

Temperature

OFF

Power off

Push button

Figure 3. Push button

Figure 2. Rotary switch

l

 Use 2nd VIEW select secondary display functions. table 3 shows press 2nd VIEW button various

measuring states.
Table 3. press 2nd VIEW for secondary display

Rotary Switch position

Measure state

Primary display

Second display

 V

ACV+Hz

ACV

Hz/

%/

%/

ms/

ms

AC dBm+Hz

AC dBm

ACV/Hz

 V

(ACV+DCV)+Hz

ACV+DCV

ACV/Hz

dBm+Hz

dBm

Hz/ACV/DCV/ACV+DCV

 mV

 ACmV+Hz

ACmV

Hz/

%/

%/

ms/

ms

dBm+Hz

dBm

Hz/ACmV/DCmV/ACmV+DCmV

Hz / DUTY

Hz

Hz

%/

%/

ms/

ms

 OUT

 OUT

Press 2nd VIEW

Press  SELECT

to change output

to change duty value

frequency

l

  The meter as square wave output,press this button can selecting frequency :

 0.5000Hz/1.0000Hz/2.0000Hz/10.000Hz/50.000Hz/60.240Hz/74.63Hz/100.00Hz/151.50Hzi200.00Hz/
303.00Hz/606.10Hz/1.2500kHz/1.6660kHz/2.5000kHz/5.0000kHz .

l

  Press this button more than 2 seconds the meter return 606.10 Hz, 50% of duty output state.

l

  While SET button operating the 2nd VIEW change as 

q

 (moving down) button. Press this button can

move setting digits down.

7. REL

r

l

 Press this button the meter enter relative measuring state and “REL

r

” appear on display. In this mode

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...

Reviews: