TESTO 315-3, Instruction Manual

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5 First steps
13
4.2. Basic properties
Power supply
Power is supplied to the testo 315-3 via:
• Rech. batt., type: Li-Po rechargeable battery pack, 3.7 V/1,500
mAh (can be replaced via Testo Service)
• USB mains unit inc. cable (0554 1105), 5,0 V/1.000 mAh
With an attached mains unit, power is supplied automatically via
the mains unit and the instrument's rechargeable battery is
charged. To avoid destroying the rechargeable battery, only charge
it at an ambient temperature of 0 to 45 °C/32 to 113 °F.
5 First steps
Switching on
Connect the humidity/temperature module (0636 9725)
before switching the instrument on (option).
1. Switch the instrument on: press [ ] briefly.
- All segments of the display light up for around 1 s.
- The warm-up phase then occurs for 30 s. (information in
display: warm-up ).
During first commissioning, the configuration menu is
opened automatically, see Settings.
- The current measurement values are displayed. The instrument
is operational.
The measurement value of the CO sensor is displayed
in the upper line.
The measurement value of the CO
2
sensor is displayed
in the lower line.
Switching off
2. Switch off the instrument: press and hold down [ ] .