15.12Audio recording capacity
The audio recording brings information to identify sources and the correspondence with the measured sound levels. It is characterized
by a frequency sampling and an accuracy expressed in number of bits. The result is a certain recording capacity.
Sampling
Pre and post recording
Accuracy
Recording capacity (HH:MM:SS)
12 kHz
4 s
16 bits
00:45:00
15.13Power and operating autonomy
Measurement autonomy linked to power supply are given for an operating at 20°C and with the backlight off. Beware of declining
capacity of the battery or batteries for measurement at low temperature.
•
Batteries pack:
3 alkaline batteries 1.5V – LR6/AA type
Autonomy (20°C):
<8H in continuous
•
Battery:
rechargeable Li-Ion type: 3.7 V – 4400 mAh.
Caution:
Li-Ion battery is a delicate element. Take care when manipulating or storing.
Autonomy (20°C):
> 24H in continuous
•
Mains supply – charger:
type universal USB format – ref: AS-123
PRI:100V – 240V - 60/50Hz – 150 mA
SEC: 5V - 1000mA - 5VA
Autonomy:
unlimited, depending on memory capacity of the measurement (see table above).
Note:
When a connection to a PC for data transfer, the USB computer delivers a voltage of 5V DC 500mA under.
This power supply has priority over the battery pack or battery that is recharged through this power supply.
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Technical features
