Tenmars TM-191 User Manual

Magnetic Field Meter

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HB2TM1910001

Table of Contents

1 Introduction...................................................................1

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

3 Features.......................................................................1

4 Identifying Parts............................................................2

5 Measurement Procedures ............................................2

6 Specifications ...............................................................4

7 Battery replacement .....................................................4

8 Safety Precaution.........................................................5

9 End of life.....................................................................5

TM-191

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. e

2 Application

 This meter is applied to measuring electromagnetic fields

of extremely low frequency (ELF) of 30 to 300Hz.

 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

3 Features

 Switch between the display of micro-Tesla and milli-G auss

is available.

 Data hold (HOLD)、maximum (MAX) Hold function.
 Range display(20,200,2000).

 Low battery detector “ ”.
 Over load display “OL”.

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