Horng-Chi TM-168 Instruction Manual

Infrared Thermo m et er

Remote Temperature Measurement

( Non-Contact )

TM-168

INSTRUCTION MANUAL

INTRODUCTION

The

hand-held

Infrared

Thermometer

is

easy

to

operate. Furthermore, the backlight illumination function is helpful to

user who is accustomed to measure in dark places. The Infrared

Thermometer will

also

indicate

a

Laser

symbol

on

LCD

as

a

reminder

and

its additional

auto

hold

reading

&

auto

power

off

functions

are

practical to users.
The Infrared Thermometer is a non-contact thermometer with laser

poin

ter. It

can be used to measure

the t

emperature of objects’

surface that is improper

to be

measured by traditional (contact)

thermometer (such as moving objec

t,

surface with electricity curren

t

or objects that are difficul

t to

reach)

.

Ⅰ. SAFETY INFORMATION

1. Read the following safety information carefully
before attempting to operate or service the meter.

2. Use the meter onl y as specified in this m anual ; otherwise, the
protection provided by t he m eter may be impaired.

Warning

If user pulls the trigger while the symbol is showing
on LCD, then the meter will radiate the laser. At this
moment, user has to avoid the laser radiating to your eyes
to prevent any hurts.

˙If the measured object with smooth surface and will reflect

the laser, pls. prevent the reflected laser to radiate
your eyes.

˙ Pls. don’t radiate the laser to inflammable gas to

avoid dangers.

1

3. Precautions:
a). Do not operate the thermometer near lar ge electrical or

magnetic fields.

b). Keep the thermometer away from direct sunlight or strong

source of light, hot objects (70℃/158℉), high temperature,
high humidity, or dust during use and storage.

c). If the thermometer is in an environment

where the temperature changes drastically,
please wait until the thermometer returns to a
stable status before starting the measuring.

d). Condensation may form on the focal lens if the thermometer

is moved quickly from a cold to a hot environment.
Before taking measurements, please wait for the
condensation to dis sipate.

e). Do not touch the focal lens.

4. Environmental conditions:

a). Altitude up to 200 0 meters.
b). Relative humidi ty 80% max.
c). Operating Ambient 0 ~ 50℃

5. Maintenance & Clearing:
a). Repairs or servicing that are not covered in this manual and

should be perform ed by qualified personnel only.

Ⅱ. FEATURES



℃ / ℉ Selectable.



Backlight LCD display.



Laser targeting.



Auto Hold funct ion.



Maximum/Minimum reading recorder function.



Data memory and read function.



Auto-Power off.

Ⅲ. SPECIFICATIONS

3-1 General Information :

Display : Backlight LCD Display.
Auto power off : Approx. 15 sec.
Data memory capacity : 50 set. (Direct reading from LCD

display)

Over range indication : “OL” or “-OL”.

+

b). Periodically wipe the case with a dry cloth. Do not use

Low battery indication : The

symbol is displayed on LCD

abrasives or solvents on the instrument.

c). When servicing, use only specified replacement parts.

6. Safety symbols:

Comply with EMC

2

when the battery voltage drops below
the operating voltage.

Power supply : Single 9V battery 006P 9V or

IEC6F22, or NEDA1604.

Battery life : Approx. 100 hours (laser pointer

and backlight aren’t on use)

(Alkaline batteries)
Operating temper ature 0℃ to 50℃ (32℉ to 122℉),
and humidity : below 80%RH.

3