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Price (excluding tax)
Type 4948-B supports remote verification of completely proofreading channels by Charge Input Calibration.
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Atmospheric pressure coefficient (250Hz)
Bias voltage
Clipping limit
Constant current supply
Correction by Type 4228 with DP 0977 or DP 0979
Diacphram co -amal frequency number
Equivalent air volume
Estimated long -term stability
Frequency response (sound pressure sound field)
Humidity impact
Lower frequency (–3db)
Maximum operating range
Maximum output current
Maximum output voltage
Micro hon unit diameter
Micro hon unit height
Microphone unit weight
Operating temperature range
Operation humidity range
Output impedance
Pressure adjustment vent
Self -noise
Sensitivity (250Hz)
Storage temperature
Supply voltage (when no load)
Temperature coefficient (250Hz)
Vibration sensitivity (<2kHz)
sensitivity
Part Number
4948-BHandling Company
Hottinger Brüel & KjærCategories
| Image | Price (excluding tax) | Atmospheric pressure coefficient (250Hz) | Bias voltage | Clipping limit | Constant current supply | Correction by Type 4228 with DP 0977 or DP 0979 | Diacphram co -amal frequency number | Equivalent air volume | Estimated long -term stability | Frequency response (sound pressure sound field) | Humidity impact | Lower frequency (–3db) | Maximum operating range | Maximum output current | Maximum output voltage | Micro hon unit diameter | Micro hon unit height | Microphone unit weight | Operating temperature range | Operation humidity range | Output impedance | Pressure adjustment vent | Self -noise | Sensitivity (250Hz) | Storage temperature | Supply voltage (when no load) | Temperature coefficient (250Hz) | Vibration sensitivity (<2kHz) | sensitivity |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Available upon quote | --0.007db/KPA | 12.7V ± 1.3V | 165 DB Re 20 µPa Peak (7 V Peak maximum sensitivity) | Deltatron Supply 2 MA ~ 20 MA, Nominal 4 MA | 0.00db | 24kHz, representative value (90 ° phase shift) | 6.8mm^3 ± 0.8mm^3 (2σ) | 20 ° C, 50%or less, less than 0.001 dB/year, 20 ° C, 90%or less, 0.025 dB/year, 100 ° C, less than 0.5db/month in dry air | 10Hz to 10kHz ± 1db Re 250Hz, 5Hz to 20kHz ± 3db Re 250Hz | 0.1db less condensed | 1 Hz to 5 Hz | Less than 160 DB SPL (500 Hz, 3%distortion) | 1 mA or less of peak value supply current | > 7v Peak | 20mm (0.79 ″) | 2.5mm (0.1 ") | 2.3 Gramms | --55 to +100 ° C (–67 to +212 ° f) | 0 ~ 100% RH dew condensation | <50Ω 1kHz, 22Ω 430PF representative value | Front vent (diaphragm end) | 30 µV or less, linear 22.4 Hz ~ 22.4 kHz | --57 DB ± 3 DB RE 1 V/PA, 1.4 MV/PA | –30 to +70 ° C (--22 to +158 ° f) | + 22V to + 30V DC, minimum 18V for limited specifications | + 0.013db/℃ | A typical example of 1 m/s^2 o'clock 65 db, etc. | 1.4 MV/PA |
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Reviews shown here are reviews of companies.
