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Calibrated 1/2" USB Measurement Microphone
iSV1611
USB precision microphone for universal applications

1/2" USB Free Field Microphone
Class 1 WS2F

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)

Price 680 € + VAT

 

USB microphone with calibration certificate


Frequency response linearity within class 1 specification

USB microphone sound level meter software

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
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