USB microphones calibrated from 1 Hz to 80 kHz
- 1/2″ microphone capsule
- WS2F according to IEC 61094-4
- free field
- 10Hz to 20 kHz
- 16dBA to 140dB
- pre-polarized
Price: € 745
- 1/2″ microphone
- WS2F according to IEC 61094-4
- free field
- 1Hz to 20 kHz
- 15dBA to 149dB
- pre-polarized
Price: € 1625
- 1/4″ microphone capsule
- WS3F according to IEC 61094-4
- free field
- 5Hz to 80 kHz
- 35dBA to 158dB
- pre-polarized
- 1/4″ microphone capsule
- WS3P according to IEC 61094-4
- 3.5Hz to 70 kHz
- 60dBA to 186dB
- pre-polarized
USB precision microphone for industrial applications
1/2" USB Free Field Class 1 WS2F
Price 745 €
The USB Precision Microphone
The USB microphone model iSV1611 is a digital microphone with USB interface, consisting of pre-polarized ½” electret 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 measuring in the 16 -100 dB(A) and 56 – 140 dB(A) range.
- Frequency range:
10 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)
Frequency responce up tp 80 kHz with microphone calibrator
94 dB 1 kHz - Sampling Frequency = 192 kHz
Trigger recording setup menu for unattended acquisition of multiple files
Recording and Analysis realized with NVH Analyzer Lite
USB microphone sound level meter software
Optional sound level meter software for iSV1611 USB microphone.
The common evaluation filters S, F, I, Leq, A, B, C and Lin Z are available.
Logged Values:
LAeq LAeqt LAF LAS LAI LCF LCpeak LZF LZF 20Hz LZF 25Hz LZF 31.5Hz LZF 40Hz LZF 50Hz LZF 63Hz LZF 80Hz LZF 100Hz LZF 125Hz LZF 160Hz LZF 200Hz LZF 250Hz LZF 315Hz LZF 400Hz LZF 500Hz LZF 630Hz LZF 800Hz LZF 1000Hz LZF 1250Hz LZF 1600Hz LZF 2000Hz LZF 2500Hz LZF 3150Hz LZF 4000Hz LZF 5000Hz LZF 6300Hz LZF 8000Hz LZF 10000Hz LZF 12500Hz LZF 16000Hz LZF 20000Hz Overload and WAV
- Analysis-Example-on-Excel
- Price €150 for "3dOctave" IEC 61260:1995
- Price €250 for "SLM" IEC 61672:2014
Scope of delivery:
- 1/2″ microphone capsule
- Digital microphone preamp
- USB connection cable 2 meter
- windscreen
Robust USB connection is screwed on the microphone side
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 |
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 |