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Ono Sokki

Microphones

Brand

Ono Sokki

Categories: Industrial Tools, Parts and Consumables, Test and Measurements Tag: Ono sokki
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  • Description
Description

Ono Sokki is a world-leading manufacturer of high quality and innovative measurement and testing instrumentation for R&D, quality control and production line engineers, especially in the automotive industry. A one-stop solution for measurement, our range of products includes engine rpm and torque measurement, sound and vibration testing, rotary encoders, tachometers, data processing and more.

Measurement Microphone
  • MI-1235
  • MI-1271
  • MI-1433
  • MI-1531
  • MI-3111
  • MI-3140
  • MI-3170

The MI-1235 uses a titanium diaphragm and not only maintains high stability but also is designed specially to realize flat frequency response over a wide bandwidth.

♦ Specifications

Frequency range

10 Hz to 20 kHz

Responce type

Free Field Type

Electrode Forming Voltage

0 V

Sensitivity

-29 dB ±3 dB (0 dB = 1 V/Pa)

Capacitance

13 pF ± 1 pF

Maximum Sound Pressure Level

143 dB

Intrinsic Noise Level

19 dB (A) Maximum

Operating Temperature range

-10 to +50ºC

Operating Humidity range

20 to 90% Relative Humidity (With No Condensation)

Temperature Characteristics

0.009 dB/ºC Maximum

Humidity Characteristics

0.001 dB/% Relative Humidity Maximum

Aging Drift

0.1 dB/year Maximum

Storage Temperature Range

-20 to +60ºC

Storage Humidity Range

20 to 90% Relative Humidity (With No Condensation)

Outer Dimensions

13.2 mm Diameter x 13.7 mm

Mass

6g

♦ Notes:

There are no additional notes for this product.

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.

♦ Specifications

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 +80ºC

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

0 to 90 % (With no condensation)

Storage Humidity Range

20 to 90% Relative Humidity (With No Condensation)

Outer Dimensions

φ13.2 mm × 16.9 mm

Mass

Approximately 6 g

♦ Notes:

There are no additional notes for this product.

 

The MI-1433 not only maintains high sesitivity but also uses a titanium diaphragm and achieves high stability in spite of its low cost.

♦ Specifications

Frequency range

20 Hz to 8 kHz

Responce type

Free Field Type

Electrode Forming Voltage

0 V

Sensitivity

-29 dB ±3 dB (0 dB = 1 V/Pa)

Capacitance

13 pF ± 1 pF

Maximum Sound Pressure Level

143 dB

Intrinsic Noise Level

19 dB (A) Maximum

Operating Temperature range

-10 to +50ºC

Operating Humidity range

20 to 90% Relative Humidity (With No Condensation)

Temperature Characteristics

0.009 dB/ºC Maximum

Humidity Characteristics

0.001 dB/% Relative Humidity Maximum

Aging Drift

0.1 dB/year

Storage Temperature Range

-20 to +60ºC

Storage Humidity Range

20 to 90% Relative Humidity (With No Condensation)

Outer Dimensions

13.2 mm Diameter x 13.5 mm

Mass

6g

♦ Notes:

There are no additional notes for this product.

The 1/4-inch diameter condenser microphone MI-1531, with its preamplifier MI-3140, enable to measure the high frequency band more than 20kHz which it is impossible by using the 1/2-inch microphone. An amplifier is not required in use as it is a back electret-type condenser microphone, which differs from a bias-type microphone. And also, the MI-1531 achieves a measurement at Max. 168 dB as a performance of a microphone itself.

♦ Specifications

Frequency range

10 Hz to 20 kHz

Responce type

Free Field Type

Sensitivity

-29 dB ±3 dB (0 dB = 1 V/Pa)

Capacitance

13 pF ± 1 pF

Maximum Sound Pressure Level

143 dB

Intrinsic Noise Level

19 dB (A) Maximum

Operating Temperature range

-10 to +50ºC

Operating Humidity range

20 to 90% Relative Humidity (With No Condensation)

Temperature Characteristics

0.009 dB/ºC Maximum

Storage Temperature Range

-20 to +60ºC

Storage Humidity Range

20 to 90% Relative Humidity (With No Condensation)

Outer Dimensions

13.2 mm Diameter x 13.7 mm

Mass

6g

♦ Notes:

There are no additional notes for this product.

 

The MI-3111 preamplifier is for use with a 1/2 inch microphone, featuring constant current power and a BNC connector.

  • Constant Current Operation

♦ Specifications

Applicable Microphone

MI-1233 / MI-1234 / MI-1235 / MI-1431 / MI-1432 / MI-1433

Frequency Bandwith

10 Hz to 20 kHz

Gain

-2 dB ± 1 dB ( at 1 kHz )

Input Impedance

Approximately 5 G ohm

Intrinsic Noise

22.3 µVrms Maximum (Flat Weighting)

Distortion

1%Maximum

Operating Temperature range

-10 to +50ºC

Operating Humidity range

30 to 90% Relative Humidity (With No Condensation)

Power Supply Required

15 to 25 V / 0.5 to 5 mA

Outer Dimensions

12.7 mm x 61 mm

Mass

30g

♦ Notes:

There are no additional notes for this product.

The MI-3140 is a constant current type of preamplifier. It can be directly connected to an amplifier or data processing units which have a BNC (C02 type) connector. (Constant current power supply at the range from 2mA to 20mA is required.)

♦ Specifications

Applicable Microphone

MI-1531

Frequency Bandwith

10 Hz to 100 kHz (Reference : 0.5 dB or less)

Intrinsic Noise

6 μV or less (20 Hz to 20 kHz)

Distortion

3% or less (Input effective voltage 8 V)

Operating Temperature range

-30 to 60°C

Operating Humidity range

0 to 90% (With no condensation)

Power Supply Required

15 to 25 V DC, 2 to 20 mA

Outer Dimensions

φ 6.35 ÁE44 mm

Mass

Approximately 5.5g

♦ Notes:

There are no additional notes for this product.

MI-3170 is a preamplifier for 1/2-inch back-electret type condenser microphone. Adopting the CCLD method and BNC connector, various types of CCLD accepted amplifier, analyzer and data recorder can be connected directly. It can be used in wide operating temperature range (-30 to +80℃) when combined with the MI-1271 high-performance microphone. It is a low noise preamplifier that covers the measurement range of ultra low frequency of 1Hz.

♦ Specifications

Applicable Microphones

MI-1271/1235/1433

Distortion

0.0316 % or less

Frequency Bandwith

10 Hz to 40 kHz (+0.1 dB / -0.2 dB / 1 kHz as reference) 1 Hz to 40 kHz (+0.1 dB \ -1.5 dB \ 10 Hz as reference)

Input Impedance

40 GΩ

Intrinsic Noise

A-weighting: 3.3 µV or less (Sound pressure conversion 8 dB) / MI-1271 sensitivity: -26 dB re. 1 V/Pa

Operating Temperature range


-30 to +80 ℃

Operating Humidity range

0 to 90 % (Not including microphone)

Power Supply

CCLD 2 to 4.5 mA / DC 18 to 26 V

Outer Dimensions

φ12.7 mm × 80.5 mm

Mass

Approx. 35 g (Not including microphone)

♦ Notes:

There are no additional notes for this product.

 

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Tel: +84 (28) 5431 6377
Fax: +84 (28) 5431 6378
Hotline: 0907910088
Email: Sales@technovietnam.com

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