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 Extech Sound Level Calibrator For Q3400 & Q337 and microphone widths 0.5 inch or 1.0 inch
94dB or combination 94dB/114dB, 1kHz Professional Calibrator for 0.5” or 1.0” Microphones.
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 Accoustical Calibrator for Sper Scientific Sound Meter, 2 Point
The Sper Scientific Accoustical Calibrator is used to calibrate all Sper Scientific digital sound meters and any sound meter with 1" or 1/2" microphone. It features a built in battery check and includes a carry case.
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 Extech 407744 Sound Level Calibrator - 94dB
This is a 1kHz Professional Sound Level Calibrator for 0.5" or 1.0" Microphones. The unit comes complete with two 9V batteries, a carrying case, and a screwdriver.
MORE INFO
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Extech Sound Level Calibrator For Q3400 & Q337 and microphone widths 0.5 inch or 1.0 inch
Item #: Q3400C
Manufacturer: Extech Instruments
Manufacturer Item #: 407766
Product Type: Sound Level Accessory
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Calibrator for the Sound Level Meters with 0.5" or
1.0" microphones
Features & Applications:
94dB or combination 94dB/114dB, 1kHz Professional Calibrator for 0.5” or 1.0” Microphones.
Features:
- Calibrates and verifies Sound Level Meter operation
- For use on Sound Level Meters with 0.5" or 1.0" microphones
- Durable die-cast, aluminum housing
- 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency)
and ±0.8dB
- 3 position switch (OFF/94dB/114dB)
- Total Harmonic Distortion (THD) <2% at 94dB
- Complete with two 9V batteries, carrying case, and screwdriver
- LED indicator lights up when power is on
- Level position to select 94dB or 114dB
Spec Summary:
Specifications |
Range |
Accuracy |
Frequency: |
1000 Hz |
±5% |
Sound Pressure Level: |
94 dB (407744); 94dB/114dB (407766) |
±0.8dB (94dB), ±1dB (114dB) |
Distortion: |
<2% Total Harmonic Distortion (THD) |
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Operating Temperature: |
32 to 122°F (0 to 50°C) |
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Power Supply: |
Two Heavy duty, alkaline 9V Battery |
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Power Consumption: |
Approx. 10mA DC |
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Dimensions: |
2.2" diameter x 5.6" long (50 x 127mm) |
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Weight: |
0.75 lbs.(340g) |
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