Sper Scientific 840018C Sound Level Pen, NIST Certificate of Calibration
Type 2 sound meter with one-button operation
The Sper Scientific Sound Level Pen features a type 2 internal calibrator, one-button operation, low cost, auto-ranging and max hold in a mini size. Despite its small size, the Sound Level Pen is a full function type 2¹ sound meter perfect for testing OSHA requirements and most other sound meter applications. Auto-ranging with simple one-button operation. Press once to begin reading sound levels. Press the button a second time and the display holds the maximum reading, updating as new maximums are reached. Hold the button for 2 seconds to turn the unit off. Measures the 32 ~ 130 dB range in the "A" scale, with an accuracy of ±1.5 dB. The display provides 0.1 dB resolution, under range, over range and low battery indicators. The Sound Level Pen calibrates electronically to its own internal oscillator² or 2 Pt. Acoustical Calibrator 850016. Comes ready to use with two AAA batteries, instructions, calibration tool, wind screen. N.I.S.T. traceable certificate of calibration is available.
Dimensions: 8" × 1½" × 1" (203 × 38 × 25 mm)
Weight: 4.3 oz (122 g)
¹ Meets ANSI S1.4 Type 2 and IEC61672-1 Class 2
² 94dB at 1kHz
U.S. Patent 7,270,006
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.
