Tenmars TRIAXIAL ELF User manual

TRIAXIAL ELF Magnetic Field Meter

TM-192/TM-192D

HB2TM1920000

Table of Contents

TIntroduction............................................................................1T1

2Application..............................................................................1

3Features..................................................................................2

4Identifying Parts.....................................................................3

5Measurement Procedures...................................................4

6Clock setup ..............................................................................6

7Auto power off setup...............................................................7

8Continuity data logging setup..............................................8

9Clear data logger memory .......................................................9

10 Erase all data logger memory................................................10

11 Single data memory...............................................................11

12 Viewing logged reading control key......................................11

13 Specifications.........................................................................12

14 Battery replacement...............................................................13

15 External DC Power.............................................................13

16 Safety Precaution...................................................................14

17 Software installation (192D)..............................................14

18 Note........................................................................................14

TM-192/D

1 Introduction

Safety precautions should be taken against electric appliances

in places including medical institutions, schools and residential

districts, where people usually stay for a long time, to prevent

patients, babies and senior citizens from exposure to high

electromagnetic waves.

An electromagnetic wave simply means the wave motion of the

electromagnetic field (EMF).

The change in electric fields produces magnetic fields, and the

change in magnetic fields can also generate electric fields. The

fluctuation of correlation between each other is known as

“electromagnetic waves", which is a form of energy similar to

light and heat that can be transmitted either by radiation in the

air or by an electric conductor.

It is suggested that rearrangements should be made in families

and work locations where electromagnetic fields are detected

the strongest in order to avoid prolonged exposure to excessive

lectromagnetic fields.

2 Application

 This meter is applied to measuring electromagnetic fields

of extremely low frequency (ELF) of 30 to 2000Hz.

 It is capable of measuring the electromagnetic field

radiation intensity that is produced from electric

transmission equipment, power line, microwave oven, air

conditioner, refrigerator, computer monitor, video/audio

device and so forth.

 The magnetic field unit is Tesla (T), Gauss (G),

milli-Gauss (mG) or micro-Tesla (μT).

 1 T＝10,000 G  1 G＝1,000 mG

 1μT＝10 mG

EN-1

TM-192/D

EN-2

3 Features

 Uses three internal orthogonal sensors to test a wide

range of ELF magnetic fields, independent of

measurement angle .

 The tester is designed to provide user a quick, reliable and

easy way to measure magnetic field radiation levels

around power lines, home appliances and industrial

devices.

 The tester is a cost-effective hand-held instrument that

was designed and calibrated to measure magnetic field

radiation at different bandwidths from 30HZ to 2000HZ.

 Display micro Tesla(u T) or milli Gauss(m G) units.

 Data hold (HOLD)、maximum Hold(MAX)and minimum

Hold(MIN)function.

 Auto range or manual range select mode.

 Datalogging capacity with Memory Size：500 data sets

or 9999 data sets(192D).

 USB PC interface (192D).

 Time and calendar function.

 Low battery indication “ ”.

 Over load display “OL”.

 Auto power OFF function .

TM-192/D

4 Identifying Parts

1.LCD display.

2.Power key.

3.maximum Hold and

minimum Hold key.

4.Data Hold key.

5.Record dada and Setup

function left key.

6.Range and Setup

function up key.

7.Reading and Setup

function right key.

8.Setup function key.

9.Units and Setup function

down key.

10. Enter key.

11. Calibrate point for Triple

axis.

12. External power DC 9V.

13. USB interface

(TM-192D).

14. Tripod mounting screw.

15. Battery cover.

EN-3

TM-192/D

5 Measurement Procedures

 Press key turn on the meter, press key again to

turn OFF the meter.

 Press key to select milli-gauss (mG) or micro-tesla

(µT) unit.

 Position the front of the meter to measure the

electromagnetic waves.

 Read the measured value. When manual range select

mode, LCD will shown the mark, The display of “OL”

on the highest position indicates there is an overload on

the reading. Press to select a higher range for

measurement again.

 This meter displays the default value is triaxial total

magnetic field reading, press key to independent three

single-axis magnetic field readings and triaxial total

magnetic field reading.

 To permanently lock and keep the reading displayed on

the LCD, press or press again to unlock.

 To retain the maximum and minimum value, press

key and the reading value displayed on the LCD will

keep updating to the maximum value. Press again to

select minimum value, press and hold down key

2 seconds to exit the maximum and minimum mode。

 Due to the magnetic interference of the environment field

factors, this magnetic field meter could display a reading

value that is lower than 0.5mG prior to measuring. This is

not a malfunction of the tester.

EN-4

TM-192/D

 With the tester in hand, move slowly towards to the object

under measurement until it is physically touched.

 Notice how the field intensity increases as you move

closer to the object.

 If the power of object was turned off during the

measurement, the reading of tester should return to zero,

unless there is the electromagnetic from other sources are

detected.

EN-5

TM-192/D

6 Clock setup

 This meter clock to introduce 24 hour time.

 Press key to clock setting mode (1.SET).

 Press or key to select option to adjust.

 Press or key to change the digit.

 Press key to store the setup, exit the mode.

EN-6

TM-192/D

7 Auto power off setup

 Press key again to auto power off time setting mode

(2.SET).

 Press. or key to change the auto power off

time.

 Press key to store the setup, exit the mode.

 This meter the auto power off time default value is 5

minutes, for cancellation auto power off, please set time as

00MM.

EN-7

TM-192/D

8 Continuity data logging setup

 Press key again to continue data logging interval

setting mode (3.SET).

 Press or key to select option to adjust.

 Press or key to change the value.

 Press key to store the setup, exit the mode.

EN-8

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