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. The Sper Scientific Sound Level Pen is the smallest, lightest, easiest to carry sound meter in the world. 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 external 2 Pt. Acoustical Calibrator 850016. Comes ready to use with two AAA batteries, instructions, calibration tool, and a wind screen. N.I.S.T. traceable certificate of calibration 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 .
Sper Scientific 840018 Type 2 sound meter pen with one-button operation. Measures the 32 ~ 130 dB range in the "A" scale, with an accuracy of ±1.5 dB. Meets ANSI S1.4 Type 2 and IEC61672-1 Class 2. 94dB at 1kHz. 32~130 dB range
Accuracy of ±1.5 dB
0.1 dB resolution