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Heavy Duty True RMS Digital Multimeter/English

Heavy Duty True RMS Digital Multimeter/English

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13/08/2017 Version No. 001

13/08/2017 Version No. 001

7-6. Auto Power Off

    Open the setup menu. Position the menu selector next to the menu item labeled 

Display

 and press the key 

Enter

. Then Position the menu selector next to the menu 

item labeled POWER OFF and press the key EDIT.

    To set Auto Power Off. Use UP and DOWN to adjust the time to one of the preset 

values.  0 is disable the timeout feature. Press the softkey labeled OK to set the 

selected time. Press the softkey labeled Close to return.

7-7. Foreground and Background

    Open the setup menu. Position the menu selector next to the menu item labeled 

Display

 and press the key 

Enter

. Then Position the menu selector next to the menu 

item labeled 

F

oreground and Background

 and press the key OK. Use UP and DOWN 

to adjust.

7-8. Set Font

    Open the setup menu. Position the menu selector next to the menu item labeled 

Display

 and press the key 

Enter

. Then Position the menu selector next to the menu 

item labeled 

select font

 and press the key EDIT. Use UP and DOWN to adjust.

7-9. Bluetooth

    You can use the Bluetooth communication 
link and transfer the contents of a meter’s 
memory to a PC.
    Open the setup menu. Position the menu 
selector next to the menu item labeled 

Bluetooth 

and press the key 

Enter

. “Turn on Bluetooth” 

and press OK ,”Turn off Bluetooth” and press 
OK.

Auto

 

range 

08:32pm

 

      

OK

                        

CANCEL

Turn on Bluetooth?

7- . 

    Refer to Figure  and replace the batteries as follows:
1.Turn the Meter off and remove the test leads from the terminals.

2.Remove the battery door assembly by using a standardblade screwdriver to turn 

the battery door screw one-half turn counterclockwise.

3. Replace the batteries with 7.4 volt charge batteries Observe proper polarity.

4. Reinstall the battery door assembly and secure it by turning the screw one-half 

turn clockwise.

7-11

.

 Replacing the Fuses

    Referring to Figure , examine or replace the Meter's fuses as follows:
1.Turn the Meter off and remove the test leads from the

terminals.
2.Remove the battery door assembly by using a standardblade screwdriver to turn 

the battery door screw one-half turn counterclockwise.

3.Remove the fuse by gently prying one end loose, then
sliding the fuse out of its bracket.
4.Install only specified replacement fuses.
5.Reinstall the battery door assembly and secure it by turning the screw one-half 

turn clockwise

10 Replacing the Batteries

Summary of Contents for RS-989

Page 1: ...Centre Phase 2 No 618 Yan an Eastern Road Shanghai 200001 China www rs components com Europe RS Components Ltd PO Box 99 Corby Northants NN17 9RS United Kingdom www rs components com Japan RS Compone...

Page 2: ...e Proper use and care of this meter will provide many years of reliable service 2 Safety WARNING CAUTION MAX This symbol adjacent to another symbol terminal or operating device indicates that the oper...

Page 3: ...quipment Input Protection Limits Function V DC or V AC mA AC DC A AC DC Frequency Resistance Capacitance Duty Cycle Diode Test Continuity Temperature Surge Protection 8kV peak per IEC 61010 Maximum In...

Page 4: ...button for greater that 1 second will return Auto Range HOLD REL Freezes the present reading in the display and allows the display to be saved If Pressing the HOLD REL button for greater that 1 secon...

Page 5: ...nd CONTINUITY measurements Frequency measurements Temperature measurements AC dc amps measurements AC dc milliamps measurements 4 20MA measurements AC dc microampere measurements up to 5 000 uA CAP 4...

Page 6: ...to indicate AC DC on the display 4 Read AC DC measurement value in the display Bluetooth 5 20A for 30 sec MAX every 15 min TEM P C A P 4 2 0 TEM P C F RANGE SETUP SAVE HOLD Auto range 00 00 True RMS M...

Page 7: ...F4 Continuity Check WARNING To avoid electric shock disconnect power to the unit under test and discharge all capacitors before taking any resistance measurements Remove the batteries and unplug the l...

Page 8: ...4 Read the temperature in the display Bluetooth 5 20A for 30 sec MAX every 15 min TEM P C A P 4 2 0 TEM P C F RANGE SETUP SAVE HOLD Auto range 00 00 True RMS Multimeter 0078 0 F F1 HOLD REL RANGE F2 F...

Page 9: ...test lead banana plug into the 10A jack 5 Press the MODE button to indicate AC on the display 6 Read the current in the display 5 13 4 20mA MEASUREMENTS 1 Set up and connect as described for DC mA mea...

Page 10: ...collected data Pressing the softkey labeled Close exits the MIN MAX record session without saving the collected data To save the MIN MAX screen data the MIN MAX session must be ended by pressing the...

Page 11: ...F1 V 0 3078 06 02 14 06 32pm PREV 0 1 2 3 4 View Men 06 02 14 06 32pm Rate 0 2 s Range 50M ViewGrap ENTER PREV CL 5V Press the and soft keys to move cursor Press the softkey labeled Then pressing the...

Page 12: ...CLOSE Fno Graph According to graphically display measurement information Fno Mode Releted to the rotary switch function Fno Save Accesses the memory management menu for saving measurement setting up...

Page 13: ...Bluetooth You can use the Bluetooth communication link and transfer the contents of a meter s memory to a PC Open the setup menu Position the menu selector next to the menu item labeled Bluetooth and...

Page 14: ...uare which represents the method of calculation of the voltage or current value Average responding multimeters are calibrated to read correctly only on sine waves and they will read inaccurately on no...

Page 15: ...g time reading will increase 2 C 500 A 5000 A 50mA 500mA 10A 500 A 5000 A 50mA 500mA 10A 20A 30 sec max with reduced accuracy All AC current ranges are specified from 5 of range to 100 of range 5nF 1...

Page 16: ...in 20 to 80 duty cycle and 100kHz 5Vrms min 20 to 80 duty cycle and 100kHz 10 00Hz 10KHz Sensitivity 2Vrms 0 1 to 99 90 Pulse width 100 s 100ms Frequency 5Hz to 150kHz Resolution 0 001Hz 0 01Hz 0 0001...

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