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Sper Scientific 2-Pt. Acoustical Calibrator - Class 2
SKU: SP850016
Sper Scientific 2-Pt. Acoustical Calibrator - Class 2
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For calibration of all Sper Scientific digital sound meters or any sound level meter with 1” or ½” microphone.
Conforms to ANSI S1.40-1984 and IEC942 1988 Class 2 standards for acoustical calibrators. Simply place the calibrator on to the digital sound meter’s microphone, turn on the calibrator, and adjust the decibel meter’s reading to either 94 or 114 dB. Operates at a frequency of 1KHz ±4% and with an accuracy of ±0.5 dB. Built in battery check. Easily portable for field use.
Comes with a carrying case, adaptors for 1/2” and 1” microphones, instructions and a 9 volt battery.
Works with the following Sper Scientific class 2 sound meters:
- 850019 Bluetooth Sound Meter
- 850018 Sound Recorder/Datalogger
- 840018 Sound Level Pen
- 850015 Graphic Display Sound Meter
- CD323 Sound Meter Datalogger
- 850013 Advanced Datalogging Sound Meter
- 850017 Integrating Sound Datalogger
- 840029 Digital Type 2 Sound Meter
- 840012 Detachable Probe Sound Meter
- 850014 Mini Sound Meter
- 850069 Environmental Quality Meter With Sound
Dimensions: 5” x 1⅞” (127 x 48 mm)
Weight: 8.4 oz (238 g)
Specification:
| Output Sound Level | 94 dB and 114 dB re 20 uPA under reference |
| Output Frequency | 1 kHz ±4% |
| Accuracy | ±0.5 dB |
| Operating Environment | 32 to 104°F (0 to 40°C) |
| Altitude up to 2,000 meters | |
| 10 to 70% RH | |
| Storage Environment | 14 to 104°F (-10 to 60°C) |
| 10 to 90% RH | |
| Test Conditions | 20°C |
| 65% RH | |
| Atmospheric Pressure | 1013 mbar |