Typical applications include measuring blasts in mines and other acoustic events involving high sound pressure levels. Electrical connection is made via the permanently integrated BNC connector using standard BNC cables.
MP30-Blast
½” High SPL Microphone
- Class 1 and WS2F according to IEC 61094-4
- Sensitivity 12mV/Pa
- IEPE constant current supply 2-20 mA | Bias: 12.5 Volt
- Polar Pattern: Omnidirectional
- Frequency Response: 1.5 Hz – 20 kHz
- Measuring range 34 dB (to SPL Peak (3% Dist.) 150 dB
Scope of delivery:
- ½” microphone capsule pre-polarized
- ½” IEPE microphone preamplifier
- WS-RG-80 1/2″ microphone wind screen Ø 80 mm
MP30-R-Blast Set
Weatherproof High SPL Blast Microphone
- Range: 35 dB to 150 dBPeak
- Frequency response: 1.5 Hz to 20 kHz
The sound entrance at a 90º angle to the microphone axis is ideal for monitoring ambient and traffic noise.
MP30-R is a 1/2-inch pre-polarized condenser outdoor microphone.
It is suitable for continuous use in rainy days or in a very high or very low temperature environment.
MP30-R uses a WS2F and IEC 61672 Class 1 MP30 microphone, which is characterized by its stability.
It is the best choice for long-term outdoor use, such as noise monitoring.
Typical applications include measuring blasts in mines and other acoustic events involving high sound pressure levels.
Reference direction of sound incidence 90° to the microphone axis
- Sensitivity 12 mV/Pa
- IEPE supply 2-20mA BNC
- Frequency Response: 1.5 Hz – 20 kHz
- Class 1 WS2F – DIN IEC 61094-4
- Acoustic noise floor 35 dB
- Measurement range to SPL Peak (5% Dist.) 150 dB
- Temperature range -25 to +100 °C
IEPE microphone set MP30 consisting of a ½” microphone capsule with preamplifier can be connected to all measuring devices with IEPE sensor supply.
MP30 is a class 1 measurement microphone according to the WS2F frequency response industry standard.
The low noise floor of less than 16 dB(A) and the linear frequency response of 4 Hz to 20 kHz is ideally suited for almost any precision measurement.
MP30 Set
½” Free Field Microphone
- Class 1 and WS2F according to IEC 61094-4
- Sensitivity 40mV/Pa
- IEPE constant current supply 2-20 mA | Bias: 12.5 Volt
- Polar Pattern: Omnidirectional
- Frequency Response: 4 Hz – 20 kHz
- Acoustic noise floor 16 dB A-weighted
- Measuring range 16 dB(A) to SPL Peak (3% Dist.) 135 dB
Scope of delivery:
- ½” microphone capsule pre-polarized
- ½” IEPE microphone preamplifier
- WS-RG-80 1/2″ microphone wind screen Ø 80 mm
MP30 Microphone Capsule | IEC 61094-4 Type WS2F |
|---|---|
Diameter | 1/2″ |
Frequency Range | 4 Hz ~ 10 Hz ± 1.5 dB 10 Hz ~ 4 kHz ± 0.5 dB 4 kHz ~ 20 kHz ± 2.5 dB |
Responce Type | Free field |
Electrode Forming Voltage | 0 V |
Sensitivity (dB re 20 μPa) | 40 mV/Pa (± 1.5 dB) |
Capacitance at 250 Hz | 18 pF |
SPL Max. at 250 Hz Distortion <3% | 135 dB |
Intrinsinc Noise Level | 16 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 |
MP30 | Preamplifier |
|---|---|
Frequency Response
(re. 250 Hz) | 0.1 Hz ~ 10 Hz ± 3 dB 10 Hz ~ 20 kHz ± 0.1 dB 10 Hz ~ 200 kHz ± 0.2 dB |
Gain | 0.04 dB |
Intrinsic Noise (20Hz ~ 20kHz) | < 5 μV A-weighting |
Distortion (THD) @1kHz
1 V | < 0.1% |
Output Impedance | ＜50Ω |
Max. Output Voltage | 6.5 Volt RMS @ 21 Volt IEPE DC Offset |
IEPE Power Voltage | 18 V ~ 30 V | Bias : 12.5 Volt |
IEPE Current | 2 mA ~ 20 mA |
Polarization Voltage | 0 V |
Dimensions | Ф 12.7mm × 70 mm |
Weight | < 20 g (cable not included) |
Operating Temperature | – 20°C ~ + 60°C |
Humidity | 25 %～ 90 %(RH) |
Atmospheric Pressure | 65 kPa～108 kPa |
Connector Type | BNC |
Thread for Microphone Capsule Mounting | 11.7 mm-60 UNS |
Class 1 ½” Free Field Microphone
- Class 1 and WS2F according to IEC 61094-4
- Sensitivity 50 mV/Pa
- IEPE constant current supply 2-20 mA | Bias: 12.5 Volt
- Polar Pattern: Omnidirectional
- Frequency Response: 4 Hz – 20 kHz
- Acoustic noise floor 16 dB A-weighted
- Measuring range 16 dB(A) to SPL Peak (3% Dist.) 135 dB
Scope of delivery:
- ½” microphone capsule pre-polarized
- ½” IEPE microphone preamplifier
- WS-RG-80 1/2″ microphone wind screen Ø 80 mm
MP30-50 Microphone Capsule | IEC 61094-4 Type WS2F |
|---|---|
Diameter | 1/2″ |
Frequency Range | 4 Hz ~ 10 Hz ± 1.5 dB 10 Hz ~ 4 kHz ± 0.5 dB 4 kHz ~ 20 kHz ± 2.5 dB |
Responce Type | Free field |
Electrode Forming Voltage | 0 V |
Sensitivity (dB re 20 μPa) | 50 mV/Pa (± 1.5 dB) |
Capacitance at 250 Hz | 18 pF |
SPL Max. at 250 Hz Distortion <3% | 135 dB |
Intrinsinc Noise Level | 16 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 |
MP30 | Preamplifier |
|---|---|
Frequency Response
(re. 250 Hz) | 0.1 Hz ~ 10 Hz ± 3 dB 10 Hz ~ 20 kHz ± 0.1 dB 10 Hz ~ 200 kHz ± 0.2 dB |
Gain | 0.04 dB |
Intrinsic Noise (20Hz ~ 20kHz) | < 5 μV A-weighting |
Distortion (THD) @1kHz
1 V | < 0.1% |
Output Impedance | ＜50Ω |
Max. Output Voltage | 6.5 Volt RMS @ 21 Volt IEPE DC Offset |
IEPE Power Voltage | 18 V ~ 30 V | Bias : 12.5 Volt |
IEPE Current | 2 mA ~ 20 mA |
Polarization Voltage | 0 V |
Dimensions | Ф 12.7mm × 70 mm |
Weight | < 20 g (cable not included) |
Operating Temperature | – 20°C ~ + 60°C |
Humidity | 25 %～ 90 %(RH) |
Atmospheric Pressure | 65 kPa～108 kPa |
Connector Type | BNC |
Thread for Microphone Capsule Mounting | 11.7 mm-60 UNS |
Class 1 – WS2F – DIN IEC 61094-4
- Sensitivity 50 mv/Pa
- IEPE constant current supply 2-20 mA
- Directional characteristic: omnidirectional
- Frequency response: 0.5 Hz – 20 kHz (± 2 dB)
- 0.5 Hz – 3.5 Hz: ± 2 dB
- 3.5 Hz – 4 kHz: ± 0.5 dB
- 4 kHz – 20 kHz: ± 2 dB
- Acoustic noise floor 15 dB A-weighted
- Measuring range 15 dB(A) to SPL peak (5% dist.) 135 dB
Ultrasound Microphone Set
The 1/4” measuring microphone capsule MK 301 E is designed for acoustic measurements in research, development and industry and is also used in building acoustics and audiometry, among other things.
- WS3F according to IEC 61094-4
- Frequency response 5 Hz to 100 kHz with MP30 microphone amplifier
- Sensitivity 3,5 mV/ Pa
- IEPE Constant Current Power 4 – 20 mA / 18V – 30V
- Free Field
- Sound pressure level up to 168 dB
- Range 35dBA to 168dB
- Pre-polarized
The measuring microphone capsule MK 301 is suitable for class 1 sound level meters according to IEC 61672.
Ultrasound Microphone with MP48 ZOOM UAC 232 and CA111
Two-channel ultrasonic measurement using MP30-Ultra ultrasonic microphones, MP48 IEPE XLR adapter, ZOOM UAC-232 audio converter, CA111 microphone calibrator and NVH FFT software.
The whole measurement chain was calibrated with the microphone calibrator.
