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This refurbished Castle GA607 Class 1/C Acoustic Calibrator is in great condition and makes an excellent and low cost choice of calibrating your class 1 sound meters and noise dosemeters.
The GA607 produces a calibration tone of 1000Hz at a either 94dB or 104dB re 20µPa at the microphone and runs on a 1 minute automatic timer from a single operation of the toggle switch. Also included is the electronic Barometer model G1110 for atmospheric pressure adjustments.
The Refurbished GA607 Acoustic Calibrator comes supplied with a 6 Month Manufacturers Warranty and can be supplied with an optional 12 month Calibration Certificate.
| Applicable Standards | IEC60942:2003 Sound Calibrators, Class 1/C |
| Output | 94dB relative to 20µPa Nominal Sound Pressure level at 101.3kPa (760mm Hg) 23° & 50%RH |
| Tolerance | ± 0.3dB |
| Harmonic Distortion | < 3% |
| Temperature Range | -10°C to 50°C |
| Batteries | 2 x 3V CR2032 (coin cell) Life: Approx. 70 Hours |
| Dimensions | Cavity Diameter: 1/2" microphone standard Length: 140mm Diameter: 51mm Weight: 230g |
