TESTO 270 - Getting to know the product

5 First steps
15
> The integrated suspension attachment can be used to hang the
instrument on a hook.
Plastic case
- The instrument is securely stored in a plastic case for protection
against contamination and for transport.
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5.2. Getting to know the product
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5.2.1. Switching the instrument on/off
To switch on
> Press [] until the indicator elements appear in the display.
- Display test is carried out: all segments light up.
- The instrument switches to the measuring mode and is ready
for operation.
To switch off
> Press and hold [] for approx. 2 secs.
- Display goes off, instrument switches off.
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5.2.2. Description of important functions and displays
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5.2.2.1. Alarm indicator
The alarm indicator uses the following display colours to show what
range the measured TPM value is in:
Green TPM value < lower limit value
Yellow TPM value is between the lower and the upper limit value