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The CAL73 sound level calibrator is used to calibrate sound level meters and other sound measurement equipment.
The CAL73 sound level calibrator is used to calibrate sound level meters and other sound measurement equipment.
The CAL73 sound level calibrator is used to calibrate sound level meters and other sound measurement equipment. You can calibrate 1 inch diameter microphones directly and 1/2 inch microphones using 1/2 inch adaptor supplied with the calibrator.
Features
| Output sound pressure levels | 94dB and 114dB re 20 uPa under reference conditions |
| Output frequency | 1000Hz +/- 2% |
| Temperature | 23°C (74°F) |
| Relative humidity | 50% |
| Atmospheric pressure | 1013hpa |
| Total Harmonic Distortion (THD) | <3% |
| Accuracy of sound pressure level | +/- 0.5dB |
| Power | One 9V battery 006P or IEC 6F22 or NEDA 1604 |
| Battery Life | Approx. 40 hours |
| Dimensions | 4.4 x 2.4 x 1.7inch (113 x 63 x 44mm) |
| Weight | Approx. 170g(inc luding battery) |
| Output sound pressure levels | 94dB and 114dB re 20 uPa under reference conditions |
| Output frequency | 1000Hz +/- 2% |
| Temperature | 23°C (74°F) |
| Relative humidity | 50% |
| Atmospheric pressure | 1013hpa |
| Total Harmonic Distortion (THD) | <3% |
| Accuracy of sound pressure level | +/- 0.5dB |
| Power | One 9V battery 006P or IEC 6F22 or NEDA 1604 |
| Battery Life | Approx. 40 hours |
| Dimensions | 4.4 x 2.4 x 1.7inch (113 x 63 x 44mm) |
| Weight | Approx. 170g(inc luding battery) |
