Integration time or sampling rate Maximum measurement time (in hours) Maximum measurement time (in days)
1s
24
1
2s
48
2
3s
72
3
5s
120
5
10s
240
10
15s
360
15
30s
720
30
60s
1440
60
11.8
Power and storage autonomy
Measurement autonomies linked to power are given for a running at 20°C and 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) : 15H 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
.
34
Technical features
In the event of a reset of the memory by the sound level meter or through the
software LDB200, all the memory is erased.
