50
51
specifi
c
ations
Performance Specifi cations
Sound Level Operating Range
55 - 140 dB SPL / 120-143 dB Cpk
Max Level Before Damage
155 dB Cpk
Sound Exposure Range (Pa
2
*h)
0.01 to 9999
Frequency Range
20 Hz - 20 kHz
Over-range Indicator Level
143.5 dB Cpk
Over-range Delay
250 ms
Under-Range Indicator Level
54 dBA
Pulse Range
53 dB
Stabilization Time on Power-Up
1s (8s for slow time-constant measure)
Internal Input Referred Noise
50 dBA, 50dBC, 50 dBZ
Available Measurement Settings
8-Hr Criterion Level for 100% Dose
75 - 90 dBA (in 5 dB Increments)
Exchange Rate
3.0, 4.0, 5.0 dB
Th
reshold Level
Off , 80, 90 dBA
Frequency Weightings
A,C,Z (Type 2)
Time Weightings
Fast (1/8s), Slow (1s), Impulse (dB C pk)
Environmental
Temperature
-10 to 50 °C (+/- 0.5 dB)
Humidity
10 - 90 % RH (+/- 0.5 dB)
Static Atmospheric Pressure
65 to 108 kPa (+/- 0.5 dB)
Magnetic Fields:
Negligible
Vibration
1g acceleration, 1 kHz (62 dB SPL)
Electromagnetic Interference
Negligible (4kV direct /- 1 dB)
Calibration Conditions
Sound
94 dB @ 1kHz
Integration Time
6 minutes (or 8 seconds via SLM)
Sound Incident Direction
90° (on axis)
Reference Exposure Level
0.1005 Pa
2
*hrs
Temperature
20 °C (23 °C for SLM)
Pressure
101.325 kPa
Humidity
65% (50 % RH for SLM)
Standards
IEC 61252: 1993 Class 2
Personal Sound Exposure Meter
General
Battery voltage
3.7v / 250mA
Power consumption (maximum)
20mA
Dimensions D x H (excluding clip)
50mm x 13mm
Weight (net)
36 g
Weight (packed)
200 g
NOTE
: All values are typical unless otherwise stated
specifi
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Specifi cations
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