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class 1 acoustic calibrator with 1 in opening and output of 114 db re 20 upa at 251.2 hz. includes adp019 adapter for 1/2 in microphones and calibration certificate

Acoustic Calibrator

Model CAL250

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Class 1 acoustic calibrator with 1 in opening and output of 114 dB re 20 uPa at 251.2 Hz. Includes ADP019 adapter for 1/2 in microphones and calibration certificate

For more information see https://www.larsondavis.com/Products/Calibrators
  • Operating Frequency: (±2Hz)250 Hz
  • Output: (±0.2dB)114 dB re 20 µPa
  • Distortion: <2 %
  • Configuration: Hand-Held

Specification Notes

[1] Initial Accuracy
[2] Accuracy After 1 Year
[3] Typical.
[4] Alkaline type recommended for longest service life.

English: SI:
Performance
Operating Frequency (±2 Hz) 250 Hz 250 Hz
Output (±0.1 dB) (Sound Pressure Level) 114 dB re 20 µPa 114 dB re 20 µPa [1]
Output (±0.2 dB) (Sound Pressure Level) 114 dB re 20 µPa 114 dB re 20 µPa [2]
Distortion <2 % <2 %
Environmental
Temperature Range (Operating) 14 to +122 °F -10 to +50 °C
Barometric Pressure Coefficient ≤0.3 dB ≤0.3 dB
Electrical
Settling Time ≤2 sec ≤2 sec
Internal Battery (Type) 9V 9V [4]
Internal Battery (Quantity) 1 1
Battery Life 70 hours 70 hours [3] [4]
Physical
Size - Height 1.8 in 45.7 mm
Size - Width 1.8 in 45.7 mm
Size - Length 5.0 in 127 mm
Weight 9.0 oz 255 gm

* All specifications are at room temperature unless otherwise specified.

Accessories
Optional
079A31 Calibration coupler, 8-channel for 0.25 inch mics using a CAL250 1
Supplied
ADP019 1/2" MIC ADAPTER FOR CAL 250 1
Optional
ADP021 ADAPTER FOR CAL250 1

Product Documents

Datasheet

Product Downloads

Manual

Product Manual for CAL250

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