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Operating Instructions

METRATHERM IR BASE

Temperature Sensor

3-447-091-03

2/12.20

1

1

Safety Precautions

Observe this documentation, in particular all included safety infor-
mation, in order to protect yourself and others from injury, and to 
prevent damage to the instrument.

• Carefully and completely read and adhere to these oper-

ating instructions.
The document can be found at http://www.gossenme-
trawatt.com. Retain this document for future reference.

• Carefully and completely read and adhere to the product 

documentation for the utilized measuring instrument.

• The instrument is an accessory and may only be used 

with instruments that specify it as accessory.

• The instrument may only be used for the tests/measure-

ments described in the associated instrument‘s docu-
mentation.

• Tests/measurements may only be performed by a quali-

fied electrician, or under the supervision and direction of 
a qualified electrician. The user must be instructed by a 
qualified electrician concerning performance and evalua-
tion of the tests/measurements.

• Wear suitable and appropriate personal protective 

equipment (PPE) whenever working with the instrument.

• The instrument may only be used as long as it’s in good 

working order.
Inspect the instrument before use. Pay particular atten-
tion to damage, broken insulation or kinked cables.

• If the instrument doesn’t function flawlessly, remove it 

from operation and secure it against inadvertent use.

• If the instrument is damaged during use, e.g. through 

falling, remove it from operation and secure it against 
inadvertent use.

• Do not use the instrument after long periods of storage 

under unfavorable conditions (e.g. humidity, dust or 
extreme temperature).

• Do not use the instrument after extraordinary stressing 

due to transport.

• The instrument must not be exposed to direct sunlight.
• Only use the instrument  in compliance with the speci-

fied technical data and under the specified conditions 
(ambient conditions, IP protection class, measuring cat-
egory, etc.).

• Do not use the instrument if the battery compartment 

cover has been removed.
Otherwise you risk touching dangerous voltages.

• The instrument is a class 2 laser product that emits laser 

radiation which can cause of eye or optic damage.
Avoid direct eye exposure. Avoid eye exposure through 
reflection off surfaces.

2

Applications

Please read this important information!

2.1

Intended Use / Use for Intended Purpose

The METRATHERM IR BASE is a non contact temperature mea-
surement accessory instrument. It may only be used with instru-
ments that specify it as accessory.

The temperature is measured by pointing the METRATHERM IR 
BASE at the surface to be measured, and reading the temperature 
on the display of the instrument it is connected with. It automati-
cally compensates for temperature deviations from ambient tem-
perature. 
Safety of the operator, as well as that of the instrument, is only 
assured when it’s used for its intended purpose.

2.2

Use for Other than Intended Purpose

Using the instrument for any purposes other than those described 
in these instrument operating instructions is contrary to use for 
intended purpose.

2.3

Liability and Guarantee

Gossen Metrawatt GmbH assumes no liability for property dam-
age, personal injury or consequential damage resulting from 
improper or incorrect use of the product, in particular due to failure 
to observe the product documentation. Furthermore, all guarantee 
claims are rendered null and void in such cases.
Nor does Gossen Metrawatt GmbH assume any liability for data 
loss.

2.4

Opening the Instrument / Repairs

The instrument may only be opened by authorized, trained per-
sonnel in order to ensure flawless, safe operation and to assure 
that the guarantee isn’t rendered null and void. Even original 
replacement parts may only be installed by authorized, trained 
personnel.
Unauthorized modifications to the instrument are prohibited.

If it can be ascertained that the instrument has been opened by 
unauthorized personnel, no guarantee claims can be honored by 
the manufacturer with regard to personal safety, measuring accu-
racy, compliance with applicable safety measures or any conse-
quential damages.

3

The Instrument

3.1

Scope of Delivery

Please check for completeness.

1

METRATHERM IR BASE temperature sensor 
(Z680A)

1

9 V battery

1

Operating instructions (this document)

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