SV 104A USER'S MANUAL_______________________________________________________
14
2
KIT COMPONENTS
2.1
SV 104A dosimeter short form specification
•
Acoustic Dosimeter conforming to international standards
IEC 61252
;
ANSI S1.25
;
•
Class 2 Microphone, MEMS type:
ST 104A
, 1/2" housing with
LIFETIME WARRANTY!
•
OLED colour display
with super brightness and contrast
•
Large
8GB memory
•
Wireless connectivity with low energy
Long Range Bluetooth
®
Smart
(4.0) interface
•
USB 2.0
high speed interface
•
Parallel
Slow, Fast
,
Impulse
detectors for the measurements with
A
,
C
,
Z
filters
•
Frequency Range
20 Hz
÷ 10 kHz
•
Measurement range better than
53 dBA RMS
÷
141 dBA Peak
•
Dynamic Range better than
98 dB
•
Exchange rates
2, 3, 4, 5, 6
•
Measurement results:
Run Time (TIME), Lpeak, Lmax, Lmin, L, DOSE (%), D_8h, PrDOSE, Leq,
LAV, LE, SEL8, E, E_8h, LEPd, PSEL, Ltm3, Ltm5, Lstat, PTC, PTP, ULT, TWA, PrTWA, Lc-a,
OVL, No Motion Time
•
3
independent user configurable acoustic measurement profiles
•
Easy in use
predefined setups
•
Time-history data logging
of Leq/Lav/Lmax/Lmin/Lpeak with variable 0.1 s to 1 hr logger step and
separate summary results intervals with statistical levels
•
1/1 Octave
real time analysis - 9 filters with centre frequencies 31
Hz ÷ 8 kHz, Type 2 – IEC 1260;
presented as a bar graph with Leq and Lmax band levels plus overall A, C and Z broadband weightings
(as option called SF 104A-OCT)
•
1/3 Octave
real time analysis - 28 filters with centre frequencies 20
Hz ÷ 10 kHz, Type 2 – IEC 1260;
presented as a bar graph with Leq and Lmax band levels plus overall A, C and Z broadband weightings
(as option called SF 104A-3OCT)
•
Audio events recording
, triggered and continuous mode, 12/24 kHz sampling rate, wav format
(as option called SF 104A-WAV)
•
Voice Comments
records audio on demand, created before or after measurement, added to
measurement file
•
Vibration shock detector
with user selectable variable threshold: 1g-15g
•
Automatic acoustic field calibration
with one touch activation before and after measurement
•
Operational time
> 48 hours (display off, Bluetooth
®
off, octave analysis off)
•
Extremely
compact, lightweight and robust case with IP65 ingress protection
Figure 2-1
SV 104A instrument with the microphone and windshield
