Sper Scientific* 2 Point Acoustical Calibrator - Each

For calibration of all Sper Scientific digital sound meters or any sound level meter with 1 in. or ¹/₂ in. microphone. Conforms to ANSI S1.4-1984 and IEC942 1988 Class 2 standards for acoustical calibrators. Simply place the calibrator on to the digital sound meters microphone, turn on the calibrator, and adjust the decibel meters 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, it comes with a carrying case, adaptors for 1 in. or ¹/₂ in. microphones, instructions, and a 9 volt battery.

• Dimensions: 5 x 1⁷/₈ in. (127 x 48 mm) 1⁷/₈ in.
• Weight: 8.4 oz (238 g)
• 5 year warranty, CE, RoHS

Works with the following meters:
Advanced Datalogging Sound Meter (Cat. No. 650-10327 and 650-10486)
Mini Sound Meter (Cat. No. 650-10330 and 650-10486)
Graphic Display Sound Meter (Cat. No. 330-54379 and 330-54376)
Digital Type 2 Sound Meter (Cat. No. 330-54385 and 330-54382)
Detachable Probe Sound Meter (Cat. No. 650-10219 and 650-10420)
Sound Level Pen (Cat. No. 240-54331 and 650-10426)
Type 1 Sound Meter (Cat. No. 650-10222 and 650-10423)
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