Sensidyne Industrial Health and Safety

SVAN 977 Specifications

SVAN 977 Specifications
SOUND LEVEL METER / ANALYZER
Standards Type 1: IEC 61672-1:2002
Meter mode SPL, Leq, SEL, Lden, Ltm3, Ltm5, Statistics - Ln (L1-L99), LMax, LMin, LPeak Simultaneous measurement in three profiles with independent set of filters and detectors
Analyser

1/1 or optional 1/3 octave1 real-time analysis meeting Type 1 requirements of IEC 61260

FFT 1 real-time analysis 1600 lines, up to 20.0 kHz band (option)
Reverberation time analysis in 1/3 octave bands (RT 60 option)

Weighting filters A, B, C , Z
RMS Detector Digital True RMS detector with Peak detection, resolution 0.1 dB,
Time Constants: Slow, Fast, Impulse
Microphone ACO 7052E, nominal sensitivity 35 mV/Pa, prepolarized 1/2" condenser microphone

Total dynamic measurement range

15 dBA RMS - 140 dBA Peak (typical from noise floor to the maximum level)

Linear operating range 25 dBA RMS - 140 dBA Peak (in accordance to IEC 61672)
Internal Noise Level less than 15 dBA RMS
Frequency Range

10 Hz ?? 40 kHz (transducer dependent)

VIBRATION LEVEL METER / ANALYSER
Standards ISO 10816-1
Meter mode RMS, MAX, Peak, Peak-Peak
Simultaneous measurement in three profiles with independent set of filters and detectors
Analyser 1/1 or optional 1/3 octave1 real-time analysis
FFT1 real-time analysis 1600 lines, up to 20.0 kHz band (option)
RPM1 rotation speed measurement parallel to the vibration measurement (option)
Filters

HP1, HP3, HP10, Vel1, Vel3, Vel10, VelMF, Dil1, Dil3, Dil10

RMS & RMQ Detectors Digital True RMS detector with Peak detection, resolution 0.1 dB
Time constants: from 100 ms to 10 s
Accelerometer (option) Any IEPE accelerometer

Measurement Range

Accelerometer dependent

Frequency Range

1 Hz ?? 40 kHz (transducer dependent)

BASIC DATA
Input IEPE type (TNC connector)
Dynamic Range >110 dB
Frequency Range 1.0 Hz @ 22.4 kHz (sampling rate 48 kHz) or 44.0 kHz (sampling 96 kHz);
Data logger1 Time-history logging with adjustable double (long and short) logging steps Time-domain signal recording and audio events recording function both to micro SD card or USB Memory Disk
Display Super contrast (10000:1) OLED 2.4?_? colour display (320 x 240 pixels)
Memory 32 MB non-volatile flash type, micro SD card 4 GB (included) or external USB Memory Stick (not included)
Interfaces USB 2.0 Client, Bluetooth (optional), RS 232 (with SV 55 option)
Extended I/O - AC output (1 V Peak) or Digital Input/Output (Trigger Pulse)
Power supply
Four NiMH rechargeable batteries (option) operation time > 8 h ?? 12 h (4.8V / 2.6 Ah)2
SA 17A external battery pack operation time > 24 h (option)2
External power supply 6 V/500 mA DC ?? 15 V/ 250 mA DC
USB interface 500 mA HUB
Environmental Conditions
Temperature from -10oC to 50oC
Humidity up to 90 % RH, non-condensed
Dimensions 305 x 79 x 39 mm (with microphone and preamplifier)
Weight Approx. 0.6 kg with batteries
1each function parallel to the meter mode
2with USB 1.1 Host function not active and backlight off