TESTO 315-3, Instruction Manual

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6 Using the product
16
Switching to humidity, temperature and dew point value is
only possible if a humidity/temperature module is
connected.
> Display humidity and temperature value: press [ ] briefly.
> Display dew point: press [ ] briefly.
Delta measurement
✓
testo 315-3 for CO and CO
2
is in the measurement view.
> Call up Delta measurement menu: press [ ] until the display
changes.
- Delta measurement is carried out ( [ ] lights up). The current
measuring values are zeroed as a reference.
> To cancel the function: press and hold down
[ ]
until the
display switches to the measurement view.
Hold/Max/Min
✓ testo 315-3 is in measurement view.
The measuring values for Hold/Max/Min can be called up for:
• CO and CO
2
• Temperature and humidity (if temperature and humidity module
is connected)
• Dew point (if temperature and humidity module is connected)
> Call up
Hold function: press [ ] briefly.
- The current measuring values are held.
> Call up
Max function: press [ ] briefly.
- The maximum measuring values are displayed.
> Call up
Min function: press [ ] briefly.
- The minimum measuring values are displayed.
> Set
Hold/Max/Min values to the current value: press and hold
down [ ] .
- Measuring values flash several times and are updated.
6.3. Printing the measurement results
✓
testo 315-3 is on.
> Call up Print function: press
[ ]
briefly.
- The data is transferred to the printer via the IrDA interface.