PRODUCTS
- Microphone
1/2inch Electret Condenser Microphone
TYPE 7152
(TYPE 1)
There are two type of ACO microphones : preamplifier integrated microphone and condenser microphone.
This microphone is an electret condenser microphone that realizes flat and wideband frequency response and high sensitivity, and has wide dynamic range. Because it is of electret type 200 V of polarization voltage is not necessary.
With its frequency range that covers audible range from 20 Hz to 20 kHz it is suitable for various application of measurement of environmental and construction noise, or for measurement and analysis of electronic and mechanical equipment/systems.
It is light, small size and offered with affordable price and ideal for simultaneous measurement at multiple points.
The diameters and electroacoustic characteristics of these measurement microphones comply with the international standard IEC 61094-4:1995.
It also complies with the microphone specifications required by IEC 61672, which is an important standard for measurement systems such as Class 1/ Class 2 sound level meters.
TYPE 1 and TYPE 2 indicates compliance with IEC 61672 Class 1 and Class 2, respectively.
| Wide frequency range Wide range of measurement from low-frequency to ultrasonic frequency(1Hz～200kHz) is possible. Wide dynamic range Measurement of high sound pressure level up to 170dB is possible. Preamplifier integrated microphone It is also possible to connect directly to analyzer by using BNC cable. For high sensitivity requirement If high sensitivity is required, Type 7146/4152N20 offers 500 mV/Pa and it can measure from low sound pressure level.. It can be directly connected to equipment such as FFT Analyzer. and is easy to use. |
 |
| Type | TYPE 7152(TYPE1) |
| Appearance *When the image is clicked, it is displayed by the zoon. | |
| Frequency Response Characteristic | Free-Field |
| Nominal Diameter | 1/2 inch |
| Release voltage | -30dB±1dB re 1V/Pa (31.6mV/Pa) |
| Polarization voltage | 0V |
| Frequency Characteristics | 20Hz～20kHz(±2dB) |
| Maximum sound pressure level | 140dB |
| Self-noise level | 20dB(A) |
| Temperature coefficient | 0.009dB/℃ or less |
| Preamplifier Type | TYPE4152 |
| Operating Temperature・ Range of Humidity | -10℃～+50℃・90%RH (no condensation) |
| Storage Temperature・ Range of Humidity | 40% or less (at room temperature) |
| Outline size | Φ13.2×13mm |
| Weight | Approx.6g |
 |
