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2

1.2 DISPLAY SYMBOLS (Figure 2)

1. 

1.8.8.8

Autorange

MAX MIN

AC
DC

: Continuity test is selected

2. 

: Diode test is selected

3. 

AUTORANGE

: Autorange mode is selected.

4.  

 

: Relative mode is active

5.    

 : Date Hold is enabled

6. 

1.8.8.8

Autorange

MAX MIN

AC
DC

 : Negative sign

7. 

1.8.8.8

Autorange

MAX MIN

AC
DC

 : AC

8. 

1.8.8.8

Autorange

MAX MIN

AC
DC : DC

9. 

MAX

Maximum reading is being displayed

10. 

MIN

Minimum reading is being displayed

11. 

NCV

:  Non-contact  

AC Voltage detection is selected

12. 

1.8.8.8

Autorange

MAX MIN

AC
DC

 :  The battery is low and must  

be replaced immediately

13. 

1.8.8.8

Autorange

MAX MIN

AC
DC

 : Automatic power-off feature is enabled

14. 

 

:  Bluetooth communication  

function is enabled

15. 

 

:  Data recording is ongoing and the meter is 

saving readings in the memory of the meter

16. 

 

Dangerous voltage is present, be cautious

   2.0 READ FIRST: IMPORTANT SAFETY INFORMATION

Read this operators manual thoroughly before using this multimeter. This manual is intended to provide basic information regarding this meter 

and to describe common test procedures which can be made with this unit. Many types of appliance, machinery and other electrical circuit 

measurements are not addressed in this manual and should be handled by experienced service technicians. 
Use extreme caution when using this multimeter. Improper use of this meter can result in severe damage, personal injury or death. Follow all 

instructions and suggestions in this operators manual as well as observing normal electrical safety precautions. Do not use this meter if you 

are unfamiliar with electrical circuits and proper test procedures.

2.1 SAFETY WARNINGS
•  This instruction manual contains warnings and safety rules which must be observed by the user to  

ensure safe operation of the instrument and retain it in safe condition. 

• Read through and understand the instructions contained in this manual before using the instrument.

• Keep the manual at hand to enable quick reference whenever necessary.

• The instrument is to be used only in its intended applications.

• Understand and follow all the safety instructions contained in the manual.

• It is essential that all safety instructions are adhered to.

• Failure to follow the safety instructions may cause injury, instrument damage

The symbol 

 indicated on the instrument means that the user must refer to the related parts in the manual for safe operation  

of the instrument. It is essential to read the instructions wherever the symbol appears in the manual.

DANGER is reserved for conditions and actions that are likely to cause serious or fatal injury.

WARNING is reserved for conditions and actions that can cause serious or fatal injury.

CAUTION is reserved for conditions and actions that can cause injury or instrument damage.

Figure 2

17. Units

mV, V

Unit of voltage / mV:Millivolt; V: Volt
1V =10

3

mV

˚C, ˚F

Unit of Temperature
˚C: Celcius degree; ˚F: Farenheit degree

A

Unit of Current
A: Ampere

Hz, kHz, 

MHz

Unit of Frequency / Hz: Hertz; kHz: kilohertz; MHz: Megahertz
1MHz = 10

3

kHz = 10

6

Hz

Ω

, k

Ω

, M

Ω

Unit of Resistance / 

Ω

: Ohm; k

Ω

: kilohm; M

Ω

: Megohm

1M

Ω

 = 10

3

k

Ω

 = 10

6

Ω

%

Unit of duty cycle
%: Percent

nF, µF

Unit of Capitance / nF: Nanofarad; µF: Microfarad
1µF = 10

3

nF

• Never make measurement on a circuit in which voltage over 1000V exists.
• Do not exceed the CAT rating of the measuring device
•  Do not attempt to make measurement in the presence of flammable gases.  

The use of the instrument may cause sparking, which can lead to an explosion.

• Never use the instrument if its surface or your hand is wet.
• Do not exceed the maximum allowable input of any measuring range.
• Never open the battery cover during a measurement.
•  The instrument is to be used only in its intended applications or conditions.  

Use in other than as intended may cause instrument damage or serious personal injury.

DANGER

Содержание DM6850T

Страница 1: ...on and off and select the desired measurement function To save battery power turn to the OFF position when the meter is not in use See ROTARY SWITCH section for function descriptions 8 MAX MIN Button...

Страница 2: ...safe condition Read through and understand the instructions contained in this manual before using the instrument Keep the manual at hand to enable quick reference whenever necessary The instrument is...

Страница 3: ...the meter in areas where vibration dust or dirt is present Do not store the meter in excessively hot humid or damp places This meter is a sensitive measuring device and should be treated with the sam...

Страница 4: ...0V 0 01V 400V 0 1V 600V 1V 1 2 8 Main Display Average Current Input Impedance 10M Frequency Response 50Hz 400Hz AC VOLTAGE RANGE RESOLUTION ACCURACY 0 1 30 Buzzer beep 30 100 Buzzer may or may not bee...

Страница 5: ...least 2 seconds to turn off Bluetooth communication The symbol will be absent from the display 4 6 RELATIVE MEASUREMENT 1 The meter has a relative measurement feature that will display measured value...

Страница 6: ...ean value response When the measured current is 5 amps continuous measurement is acceptable When the measured current is 5 10 amps do not exceed 10 seconds of continuous measurement Wait 15 minutes be...

Страница 7: ...ut is not connected i e at open circuit OL will be displayed as an overrange indication Diode 1 Insert the black negative test lead into the COM input terminal 2 Insert the red positive test lead into...

Страница 8: ...leads 2 Rotate the dial to the NCV position 3 The meter will display EF when the NCV function is being used Figure 3 4 Move the top of the meter close to the object to be tested 5 When the meter dete...

Страница 9: ...errySmartMeter app icon will appear on your device 6 2 OPENING THE APPLICATION 1 Locate the Sperry SMARTmeter app 2 Touch the icon to open 6 3 CONNECTING YOUR SMART DEVICE After the opening the app se...

Страница 10: ...OK button is pressed your smart device will begin recording data points As it is doing this you will immediately be prompted to name the file or accept the default file name 6 Data points will contin...

Страница 11: ...the data was previously saved it can be reopened 6 6 3 Deleting saved files 1 To delete saved files press the File button 2 Press Open on the screen that appears 3 A list of saved files will be displa...

Страница 12: ...change the name enter the new name and press Save iOS only 5 If you wish to continue sharing with the default or previously assigned name just press Save iOS only 6 You will be given the option to sh...

Страница 13: ...to possible electric shock or personal injury replace the battery as soon as the battery indicator 1 8 8 8 Autorange MAX MIN AC DC appears 1 Disconnect the connection between the test leads and the ci...

Страница 14: ...uch products shall not have been altered by the distributor The distributor shall be fully responsible for any warranties the distributor makes to its purchasers which are broader or more extensive th...

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