Calibrated 1/2" USB Measurement Microphone
iSV1611
USB precision microphone for universal applications
1/2" USB Free Field Microphone
Class 1 WS2F
Calibrated USB Measurement Microphone
The USB Precision measurement microphone
The USB microphone model iSV1611 is a digital microphone with USB interface, consisting of pre-polarized ½” electret measurement microphone capsule, preamplifier, 2 channel (Stereo) ADC and USB interface, which can be used with apps on smartphone, tablet or PC.
PC, smartphone, or tablet receive the digitized 2 channel signal data via USB cable connected to iSV1611. The dual channel operation allows simultaneous measurement in the 16 -100 dB(A) and 56 – 140 dB(A) measurement range.
- Frequency range:
3 Hz – 4 kHz: ± 0.5 dB 4 kHz – 20 kHz: ± 1.5 dB - 1/2″ Microphone capsule thread 60uns
- Directional characteristics: Omnidirectional – Sphere
- Acoustic background noise 16dBA
- SPL Max. 140dB
- Sensitivity 38mV/Pa
- Measuring range Ch. left 16 – 100 dB(A)
- Measuring range Ch. right 56 – 140 dB(A)
iSV1611_Data sheet
Factory calibration certificate with frequency response and microphone sensitivity PDF
Price 618 € + VAT
With NVH Analyzer Lite 918 € + VAT.
iSV1611 Microphone Capsule
Specifications
Model | iSV1611 Capsule IEC 61094-4 Type WS2F |
|---|---|
Diameter | 1/2″ |
Frequency Range | 10 ~ 20,000 Hz |
Responce Type | Free field |
Electrode Forming Voltage | 0 V |
Sensitivity (dB re 20 μPa) | 40 mV/Pa (± 3 dB) |
Capacitance at 250 Hz | 18 pF |
Maximum Sound Pressure Level | 140 dB |
Intrinsinc Noise Level | 18 dB (A) |
Operating Temperature Range | -20 °C ～ +60 °C |
Operating Humidity Range | 25 % ～ 90 %(RH) |
Temperature Characteristics | 0.01 dB/C° Maximum |
Humidity Characteristics | 0.001 %(RH) |
Aging Drift | 0.2 dB/Year |
Storage Temperature Range | -20 °C ～ +60 °C |
Storage Humidity Range | 25 % ～ 90 %(RH) |
Venting | Rear |
Outer Dimensions | Ф 13.2 mm x 16.0 mm |
Weight | 8.3 gram |
Digital 1/2" USB Microphone Preamplier
Specifications
Model | USB Microphone Preamplifier |
|---|---|
Signal Amplitude ref. 50mV @ 1kHz Frequency Response Frequency Sampling 192 kHz |
1Hz~20Hz, Error <3.0dB 20Hz~20kHz, Error<0.3dB 20kHz~80kHz, Error<3.0dB |
Electrical signal noise background | Ch.1 (<13dBA, <26dBZ) Ch.2 (<50dBA, <63dBZ) |
THD
Input 1kHz, 50mV, A weighting | <0.1%
|
Overload Indicator 1kHz (THD<3%) | Ch.1 (>101.9dB) Ch.2 (>140dB) |
Amplitude accuracy Input 31.6mV, 1kHz, 90.0dB | Error <0.2dB
|
Dimensions 1/2″ Outer diameter of protector cover | Ф 20 × 165 mm φ 13.2mm |
Weight | <96 g (cable not included) |
Operating Temperature | -20°C ~ + 60°C |
Humidity | 25 %～ 90 %(RH) |
Atmospheric Pressure | 65 kPa～108 kPa |
Connector Type | USB2.0, |
Microphone Thread | 11.7 mm-60 UNS |
USB microphone with calibration certificate
Frequency response linearity within class 1 specification
NVH Analyzer Lite
Price 440 € + VAT
Measurement microphone software for professional use in education, development and industry.
- Microphone calibration with sound calibrator, or input of microphone sensitivity.
- According to IEC 61672-1 weighting filters A, C and Z | time weighting: ‘Fast’, ‘Slow’, ‘Impulse’.
- Demonstration of the software with USB measurement microphone
- Calibration with microphone calibrator Svantek SV30A .
USB Measuring Microphone Software
NVH Analyzer Lite functions
- FFT block size 101 to 51201
- FFT line resolution 0.366 Hz @ 48 kHz / 51201
- FFT averaging linear, peak hold
- Sum level Band limit – adjustable
- Weighting Slow, Fast, Pulse
- Weighting filters Lin, A, C
- High-pass- Low-pass filter adjustable
- FFT T-AVG
- Time domain sound level
- Time domain sound level A-filter
- 1/3 octave spectrum
- 1/3 octave T-AVG
Listening to the measurement data via the PC speaker after recording is possible.