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2-Pt. Acoustical Calibrator - Sper Scientific Direct
2-Pt. Acoustical Calibrator - Sper Scientific Direct
2-Pt. Acoustical Calibrator - Sper Scientific Direct
2-Pt. Acoustical Calibrator - Sper Scientific Direct


Sper Scientific

850016

2-Pt. Acoustical Calibrator - Class 2

$340.00 $0.00
Description

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:
Dimensions: 5” x 1⅞” (127 x 48 mm)
Weight: 8.4 oz (238 g)
Specifications
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
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Instruction Manual

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