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3 Commissioning
13
3
Commissioning
3.1
Installing the battery
The testo 191 data loggers are supplied with a large battery as standard. The
data logger can therefore be used in the temperature range from -50 °C to
+140 °C.
The small battery, which can be used in the temperature range from -
20 °C to +140 °C, can be purchased as an accessory.
WARNING
Danger of explosion!
Ambient temperature too hot!
-
Do not place the batteries in an environment hotter than 140 °C.
-
Do not expose the batteries to any microwave radiation.
An undamaged seal ring must be inserted in the groove provided and
another seal ring must be fitted below the thread.
1
Place battery on data logger and
press lightly.
2
Tighten battery by turning clockwise.
Avoid the use of force! Hand-
tighten the battery.
Summary of Contents for 190 P1
Page 1: ...testo 191 data logger Instruction manual...
Page 2: ......