background image

recovery fuse, F3 (0.5A H 250V) Fast blow 

250V) Fast blow fuse Φ5x20mm

250V) Fast blow fuse Φ5x20mm

   Press Hold to enter and exit the hold mode 

                Display backlight power 

ADC Current Measurement

Unit of electrical capacity: Accepts farad, 
microfarad

Unit of Voltage: millivolt, volt

10.   Number          Test reading

            Continuity Alarm

            Diode Test

            Data Hold

            Negative Reading

            High voltage

  Manual Range Indicator

      Warning Indicator

            Low Battery

20.  Product size: 300 x 245 x 105 mm

18.  Electromagnetic Field: Under 1V/m from influence 

electric shock and even personal injury.

COM: 1000V (except 200mV, 230V)

11.  Turn the meter off when it is not is use. Take out

indicator “       ”appears.  With a low battery, the 

meter, and possibly cause injury or death.

for any reason. Doing so will cause damage to the

9.   Do not alter the  internal  circuit  of  the  meter

the meter may deteriorate after this type of use.

ature,  high humidity,  flammable, or highly

8.  Do not use or store the meter in a high temper- 

measurement function.

range position, do not change the range during the 

7.  Once the rotary switch is placed in the correct

which the meter will indicate the overload.

terminals or between the terminals and a ground;;;;;;, 

6.  Do not overload voltage or current between the

value and adjust down until you get a a reading.

are not sure of the current range, simply start with a high

rotary switch to select the measuring function. If you 

5.  Select the correct terminal input and turn the 

be taken for added danger of electric shock.

4.  When the meter is being used with voltages over 

other circuit being tested with your bare skin or hands.

3.  Do not touch any cable, connector, terminal or

model number or identical electrical specification 

2.  If test leads are damaged, use only the same 

equipment being tested.

or cause further damage to the meter and any attached

to the case or insulation could cause electric shock 

use the meter with the housing removed;;;;;;;;;;;. Damage 

use.  Do not use the Meter and Test Leads 

1. Inspect both the Meter and the Test Leads before

injury.

meter to reduce the chance of damage or possible

follow these operating instructions while using the 

category (CAT II 1000V) and double insulation. Please

IEC61010-1 for  pollution  degree  2,  overvoltage 

      1 piece

●  Power Cord                                      1 piece  

●  Multi-Purpose Socket

●  K Type Temperature Probe               1 piece

●  Operating Manual                             1 piece

●  Test Lead                                          1 pair

●  Alligator Clip                                      1 pair

     ( Maximum 230 Celcius)

parts please contact your Tenma dealer.

or damaged parts.  If you find any missing or damaged 

Check the following items to see if there are missing 

      Open the box and carefully remove the meter. 

strictly while using this product.

information  carefully  and  observe  all  the warnings 

safety  and  precautions. Please  read all of the 

This easy-to-use instrument provides the user full 

This model features a 2000 count,  3-1/2  digit, extra-

a t u r e ,   t r a n s i s t o r   h F E ,   d i o d e ,   a n d   c o n t i n u i t y  
buzzer.

current, resistance, frequency, capacitance, temper- 

Measurements include  DC/AC  voltage, DC/AC 

in a sleek and simple casing that will fit on any bench.

measurement and full overload protection, packaged 

large, backlit LCD display. 

          Digital  Bench-Type  Multimeter  Model 72-1055 is

a manual ranging, DC / AC current digital multimeter. 

Bench Type Digital Multimeter 

72-1055 Operating Manual

72-1055

LCD Display

1.  

Manual Range

2.  

Warning 

! 

3. 

4. 

5. 

6.        

AC

               Indicator for AC voltage or current

                               ( DC indicator do not display)

7.

 

8.

 

9.

 

11. Units of measurement:

General Specifications

1. Maximum Voltage between terminal input and 

2. μA  mA terminal input protection: (CE)250mA 265V 

auto recovery fuse

3.  10A  terminal  input  protection:  (CE)F1  (10A  H 

4.  Resistance input protection: PTC/250V

5.  Capacitance input protection:  (CE)F2, F3 (0.5A H 

6.  Frequency input protection: PTC/250V

7.  Temperature input protection:  (CE)250mA 265V 

fuse

8.           terminal input protection: PTC/250V

9.  hFE input protection:  (CE)250mA 265V auto 

fuse Φ5x20mm

10.  Display:  LCD  full  function  signal  display, 

11.  Range: Manual

12.  Polarity Display:  Auto

13.  Overload indication: 1

14.  Battery Deficiency:   

15.  Operating Temperature: 0

40

(32

℉~

104

)

16.  Storing Temperature: -10

50

(14

℉~

122

)

17.  Relative Humidity:  0

℃~

30

 below  ≤75%

                                      30

℃~

40

℃ 

≤50%

of radiated radio-frequency electromagnetic field 

measurement  5%,  Over  1V/m  radiated  radio-

frequency electromagnetic which do not have any 

reference data on this topic.

6 pieces)

accessories)             

22.  Safety Compaliances : IEC 61010: CAT

1000V

electromagnetic environment.  The performance of 

10.    Replace  the  battery  as  soon  as  the  battery 

meter might produce false readings that can lead to 

Operating Manual

Overview

          This  operating  manual  covers  information  on 

Unpacking Inspection

 

     (AC220V 50Hz DC9V/200mA)   

                     

Safety Information

          This  Meter  complies  with  the  standards 

replacement parts.

Unit of current: Microampere, milliampere, 
ampere
Unit of electrical resistance: Ohm, thousand 

Unit of Frequency: Kilohertz
Unit of Temperature: Degree Celsius Factor 

Unit of Triode enlargement: Times

mV, V 

 

μA, mA, A 

Ω, kΩ, MΩ

nF/μF 

kHz


β

Operational Measurement Guide

 (see Diagram 1, 2, 

3)

Diagram 1

Diagram 2

Diagram 3

Functions

 Symbol   Terminal Input 

            Explanation

   V          V 

←→

 COM  DC Voltage Measurement

   V          V 

←→

 COM  AC Voltage Measurement

   Ω          V 

←→

 COM  Resistance Measurement

                V 

←→

 COM  Diode / Continuity Buzzer 

                                     Measurement

  kHz       V 

←→

 COM  Frequency Measurement

  A    

       

mA μA ←→ COM

 

mA/μA DC Current Measurement

             10A 

←→ 

COM 

   A        

mA μA ←→ COM

 

mA/μA AC Current Measurement

              10A

 ←→ 

COM 

A AC Current Measurement

   F       

   V

←→

 mA μA   

Capacitance Measurement

    

(Use Multi-Purpose Socket)

 

             V 

←→

 mA μA 

Temperature Measurement

      (Use Multi-Purpose Socket)

   hFE   V 

←→

mA μA  Triode Enlargement Factor

    

(Use Multi-Purpose Socket)

  Measurement

 

Functional Buttons

             

 

LIGHT 

HOLD

th

e

 batter

ies

 when not used for extended period of time.

                Power 

Toggle 

Button

maximum reading is 1999

, and updates 2-3 times /sec

effect

, Total accuracy= specific a 

19.  Power: AC

 

(external power adapter AC110V/

DC9V-200mA) or DC

 

(internal battery type 2 R14/1.5V 

21. Product Net Weight :  About 

3.3 lbs

 (without 

ohms, trillion ohm

s

removed or the display is blank while in use

. Do not

if either is damaged, if the protective 

hou

sing is 

60V DC or 30V rms AC RMS, additional care should 

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