Measurement Microphone


MI-1271 is high performance microphone which conforms to IEC 61094-4 Type WS2F. By adopting the titanium vibrating membrane, it realizes long-term stability and wide frequency range of 1 Hz to 20 kHz. It can be used in wide temperature range of -30  to +80. Achieves 14 dB of self noise level (A-weighting) even though it is back electret type, and features low noise measurement.

SEND Inquiry


Frequency Range 1 Hz to 20 kHz (±2 dB)
Responce Type Free Field Type
Electrode Forming Voltage 0 V
Sensitivity -26 dB±1.5 dB re. 1 V/Pa 50 mV/Pa (1 kHz)
Capacitance 12 pF (Representative Value)
Maximum Sound Pressure Level 135 dB (When using MI-3170)
Intrinsic Noise Level 14.0 dB (Representative Value) (When using MI-3170)
Operating Temperature Range -30 to +80 ℃
Temperature Characteristics +0.005 dB/K (Representative Value)
Operating Humidity Range 0 to 90 % (With no condensation)
Humidity Characteristics -0.0004 dB/% (Representative Value)
Storage Temperature Range -40 to +70 ℃
Storage Humidity Range 0 to 90 % (With no condensation)
Outer Dimensions φ13.2 mm × 16.9 mm
Mass Approximately 6 g


There are no additional notes for this product.

Related Products

Copyrights © 2018 All Rights Reserved
info@onosokki.net · 630-627-9700 · Privacy Policy