5. Technical specifications
Applicable standards
IEC 61672-1 CLASS 2
Measurement frequency range
31,5 Hz ...... 8 KHz
Accuracy
±
1,4 dB
Measurement level A weighting
30 dB .... 130 dB
Measurement level C weighting
30 dB .... 130 dB
Measurement level range
LO: 30 dB ... 80 dB
MED: 50 dB ... 100 dB
HI: 80 dB ... 130 dB
Automatic range
30 ..... 130 dB
Time weighting
fast (125 ms) or slow (1S)
Digital display
4-digit LCD
0,1 dB resolution updated every 0,5 seconds
51 segment bargraph
1 dB display steps
50 dB display range
updated every 50 ms
Microphone
13 mm diameter, electret condenser microphone
Analogue output
AC: 1 Vrms
DC: 10 mV DC/dB
Datalogger sample rate Memory
1x/second to 1x/minute
32 kbyte for to 33000 values
Operating Temperature
0 .... 40° C
Humidity
10 …. 90%
Storage Temperatur
-10 .... + 60° C; 10 … 75 %RH
Battery
9 V
Battery life
approx 30 hours
Size (WxHxD)
80 x 280 x 50 mm
Weight
350 g
Accessories
case, USB-interface cable, Software for Windows
98/2000/XP/VISTA/WIN 7 (32 & 64-Bit), battery, 9 V-
AC-Adaptor, adjustment screwdriver, 3m cable
extension, instruction manual and Tripod
6. Replacing the battery
When the entire display shows the low battery “ “ indication, the 9 V battery has fallen to a
critically low voltage level and should be replaced as soon as possible.
1. Take off the battery cover at the button side of the instrument,
2. remove the old battery and replace the new 9 V battery.
3. make sure that the battery is installed to the right position and connected to the proper
polarisation with the battery snap.
4. put on the battery cover and let it snap in to secure.
-28-
