Calibrator for Sound Level Meters with 0.5" or 1.0" microphones
Features & Applications:
This Extech Sound Level Calibrator can be used to ensure proper calibration in sound level meters with 0.5” or 1.0” Microphones.
Features:
- NIST Certificate of Calibration
- 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) |
|
Operating Temperature: |
32 to 122°F (0 to 50°C) |
|
Power Supply: |
Two Heavy duty, alkaline 9V Battery |
|
Power Consumption: |
Approx. 10mA DC |
|
Dimensions: |
2.2" diameter x 5.6" long (50 x 127mm) |
|
Weight: |
0.75 lbs.(340g) |
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