14
Specifications
OUTPUT SIGNAL
Sound pressure level:
114dB (re. 20µPa) @ 1000Hz
SPL accuracy at reference conditions:
±0.2dB
Frequency accuracy:
±0.2%.
Accuracy:
Complies with IEC60942 (2003-01) Class 1 and ANSI S 1.40. Typical change in SPL per year: <0.01dB/year
REFERENCE CONDITIONS
Temperature:
23°C
Ambient pressure:
101.325kPa
Humidity:
50% RH
Effective load volume:
250mm
3
with adaptor Nor-1443
Reference direction for EMC test:
Microphone coupler facing the source.
GENERAL
Sensitivity to change in load volume:
0.0003dB/mm
3
(typical) @ 1000Hz
Time for level to stabilise:
Max 2 sec.
Microphone size:
1”, ½” (Adaptor Nor-1443 – included) and ¼” (Adaptor Nor-1444 – available separately) according to
IEC61094-4
Harmonic distortion:
Max. 1%
Controls:
Power-on push button. Automatic shut-off
CE classification:
EMC: EN 61000-6-1, EN 61000-6-3. Safety: EN 61010-1, 1993 for portable equipment, pollution category
2
AMBIENT REQUIREMENTS FOR SPECIFIED
OPERATION
Temperature range:
–10 to +50°C Class 1
Ambient pressure range:
65–108kPa
Humidity range:
10–90% RH
POWERING
Battery type:
9V 6LR61
Battery lifetime:
Approx. 20 hours. Use of a 6F22G battery will yield a shorter battery lifetime, while a 9V lithium battery
will yield an extended operating time
External supply voltage:
7.5–15V. Automatic shut-off when V
Batt
< 7.5V.
OVERALL WEIGHT AND DIMENSIONS
Weight:
185g with battery
L:
109.5mm
; D:
40mm
Содержание nor1251
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