Sper Scientific 840012C Detachable Probe Sound Meter, NIST Certificate of Calibration
Enables remote sound level readings
Coiled probe extends to 9’. This unique sound meter enables remote sound level readings using a detachable probe. Features both RS232 computer interface and AC output. Also has A and C decibel frequency weighting scales, fast or slow time weighting, min/max, hold and peak hold functions. Meets IEC 61672 class 2 and ANSI S1.4 type 2 frequency and time weighting specifications. Covers 30 ~ 130 dB in both Manual and Auto ranging scales with 0.1 dB resolution and an accuracy of ±1.5 dB. Calibrate in compliance with OSHA using Acoustical Calibrator 850016 or equivalent. Has a fold out easel back and tripod screw. Comes ready to use with a windscreen, calibration tool, instructions and 9V battery in a hard-shell foam-lined carrying case. N.I.S.T. traceable certificate of calibration available.
Dimensions: 8" × 2½" × 1" (203 × 64 × 25 mm)
Weight: 13.6 oz (386 g)
ANSI S1.4 Type 2
Specifications for Sound Level Meters
The American standard for sound level meter performance. Very similar to IEC 60651. Grades in order of accuracy: Type 1, Type 2
IEC 61672-1 Class 2.
Electroacoustics - Sound level meters
This is the most recent sound level meter standard and the one that modern measurement regulations will require. Grades in order of accuracy: Class 1, Class 2
Certificate of Calibration Traceable to N.I.S.T.
Comes with a NIST certificate of calibration. The NIST certificate specifies that the standards against which the product has been certified or calibrated were themselves calibrated by the National Institute of Standards and Technology (N.I.S.T.), or with N.I.S.T. calibrated equipment under conditions specified by N.I.S.T.