RS PRO RS-9963T, Instruction Manual

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13/12/2017 Version No. 001

13/12/2017 Version No. 001

8.Frequency Measurement

• Set the function switch to the Hz/Duty position.
• Insert the black test lead banana plug into the negative (-) jack.
   (

COM

 ) and the red test lead banana plug into the positive (+) jack (F).

• Touch the test probe tips to the circuit under test.
• Read the frequency in the display. The digital reading will indicate the proper decimal point, symbols 
   (Hz, kHz, MHz ) and value.

Note: 

Press the mode key to select the frequency or the duty cycle measuring.

Mode Button

• To select DC/AC current or voltage or resistance/capacitance Diode/Continuity or °C/°F or Hz/duty.
• Press the key then turn on the power, the Auto Power-off function will be cancelled. The sign “

APO

” 

disappears in the LCD and enters into the sleep status (power-off). Press the key and then power on 
will have Auto Power-off function.

DataHoldButton

The Data Hold function allows the meter to "

freeze

" a measurement for later reference.

• Press the 

DATA HOLD

 button to "

freeze

” the reading on the indicator. The indicator "

HOLD

" will 

    be appear in the display.
• Press the 

DATA HOLD 

button to return to normal operation.

• Press the 

DATA HOLD 

button to last 2 seconds. The back light function is enabled or disenabled.

Range Button

When the meter is first turned on, it automatically goes into AutoRanging. This automatically 
selects the best range for the measurements being made and is generally the best mode for most 
measurements. For measurement situations that require a range be manually selected, perform the 
following:
• Press the 

RANGE 

button. The "

AUTO

” display indicator will turn off.

• Press the 

RANGE 

button to step through the available ranges until you select the range you want.

• Press and hold the 

RANGE 

button for 2 seconds to exit the ManualRanging mode and return to 

   AutoRanging.

MAX/MIN Button

The meter displays the maximum or minimum value of input in the Max/Min mode. When Max/Min is 
pressed for the first time, the meter displays the maximum value. The meter displays the minimum value 
when it is pressed again. When Max/Min is pressed for the third time, the meter displays current value. 
The meter returns to normal operation when Max/Min is pressed and held for longer than one second. 
Press HOLD key in Max/Min mode makes the meter stop updating the maximum or the minimum value.

Low Battery Indication

When the   icon appears alone in the display    , the battery should be replaced.

9. Maintenance

Warning:

 To avoid electric shock, disconnect the test leads from any source of voltage before 

removing the back cover or the battery or fuse covers.

Warning:

 To avoid electric shock, do not operate your meter until the battery and fuse covers are in 

place and fastened securely.
This MultiMeter is designed to provide years of dependable service, if the following care instructions 

are performed:

• 

Keep The Meter Dry. 

If it gets wet, wipe it off.

• 

Use And Store The Meter In Normal Temperatures.

   Temperature extremes can shorten the life of the electronic parts and distort or melt plastic parts.

• 

Handle The Meter Gently And Carefully. 

Dropping it can damage the electronic parts or the case.

• 

Keep The Meter Clean.

 Wipe the case occasionally with a damp cloth. DO NOT use chemicals, 

    cleaning solvents, or detergents.

• 

Use Only Fresh Batteries Of The Recommended Size And Type.

 Remove old or weak batteries 

    so they do not leak and damage the unit.

• 

If The Meter Is To Be Stored For A Long Period Of Time, 

the batteries should be removed to 

    prevent damage to the unit.

10. Battery Installation

Warning:

 To avoid electric shock, disconnect the test leads from any source of voltage before 

removing the battery cover.

• Turn power off and disconnect the test leads from the meter.

• Open the rear battery cover by removing two screws (B) using a Phillips head screwdriver.

• Insert the battery into battery holder, observing the correct polarity.

• Put the battery cover back in place. Secure with the screws.

Warning:

 To avoid electric shock, do not operate the meter until the battery cover is in place and 

fastened securely.

Note:

 If your meter does not work properly, check the fuses and batteries to make sure that they are 

still good and that they are properly inserted.

Digital Multimeter/ English

Digital Multimeter/ English