PCE Health and Fitness DSA 50, Руководство пользователя

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Accuracy class 1
Readout resolution 0.1dB
Maximum sound pressure level can be applied
without causing damage to the instrument 150dB (3%
THD)
Maximum electrical voltage can be applied at
instrument electrical input facility without
damage to the instrument 22Vp-p
Capacitance of electrical input facility 18pF
Reference conditions:
- type of sound field free field
- reference frequency 1000Hz
- reference sound pressure level 94dB
- reference level range:
° for 1/1- and 1/3-octave analyzer mode 65 –
° for infra G filter mode 65 –
Specifications common for all operating modes:
° for SLM mode
55 – 135dB
- sampling frequency:
° for SLM, 1/1- octave and 1/3-octave mode
52.1kHz
° for infra G filter mode 17.4kHz
- Microphone reference direction microphone symmetry axis
- microphone reference point microphone diaphragm centre
- reference orientation sound wave arriving from reference
direction
- reference tempe23°C
- reference humidity
50% RH
- reference static pressure 101.325kPa
Permissible error for sinusoidal reference signal
(progressive sound wave incident
di l l
to microphone diaphragm, 94dB, 1000Hz) 0.7dB
Operating temperature range -10 +50°C
Storage temperature range
-10 +50 °C
Operating humidity range 90% RH (no
)
Operating static pressure range
65 108kPa
Electromagnetic emission within the limits specified in
EN 61672-1:2002 (maximum
emission when operating
external power supply)
Warm-up time:
- after turn-on 1 minute
- after environmental conditions change 15 minutes
Measurement duration 99h 59m 58s (set with 1s or infinite)
)
Serial communication interface USB 1.1
Dimensions (without microphone) 237 x 84 x 50 mm
Power supply