Specifications - Amprobe SM-20-A User Manual

4. when LCd blinked, release the A/C and the hoLd buttons. The sound level
meter will display 94.0 dBA . The calibration is done.
5. The 94 dB calibration process can be repeated until the meter reads 94.0
dB. Recalibration cycle: 1 year.

SPECIfICAtIoNS

general
display:
Microphone:
Low Battery indication:
power Supply:
power Life :
Auto power off:
environment:
Temperature / humidity
operation:
Storage:
dimension:
weight:
�
-eMC: en61326-1 This product complies with requirements of the
following european Community directives: 89/336/eeC (electromagnetic
Compatibility) and 73/23/eeC (Low Voltage) as amended by 93/68/eeC (Ce
Marking). however, electrical noise or intense electromagnetic fields in the
vicinity of the equipment may disturb the measurement circuit. Measuring
instruments will also respond to unwanted signals that may be present within
the measurement circuit. Users should exercise care and take appropriate
precautions to avoid misleading results when making measurements in the
presence of electronic interference.
Electrical (Audio)
Standard applied:
dynamic range:
Resolution:
Time weighting:
frequency range:
Measuring level range:
A weighting:
C weighting:
Accuracy:
Calibration cycle:
4 digits LCd
1/2 inch electret condenser microphone.
Replace battery when LCd displays "�".
9V nedA 1604, ieC 6f22, JiS 006p battery.
Approx. 50 hrs (alkaline Battery).
Approx. 5 min
indoor operation, < 2000 m
5 °C to 40 °C (41°f to 104°f); < 80% Rh
-10 °C to 60 °C (14°f to 140°f); < 70 %Rh
200 x 55 x 38 mm (7.8 x 2.2 x 1.5 in)
233g. (0.5 lb.) including battery
ieC 651 Type2, AnSi 1.4 Type 2.
50 dB.
0.1 dB, display Update: 0.5 sec.
fAST(125mS), SLow(1 sec).
31.5 hz to 8 khz.
(Auto Range)
30 to 130 dB.
35 to 130 dB.
± 1.5 dB.
1 year.
7