Sper Scientific - Model 840018 -Sound Level Pen

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)

Meets ANSI S1.4 Type 2 and IEC61672-1 Class 2 94dB at 1kHz

• Range: 32 ~ 130dB
• Resolution: 0.1dB
• Accuracy: ±1.5dB (under reference conditions, 94dB @ 1kHZ)

Certificate of Calibration Traceable to N.I.S.T. (optional)
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.

ANSI S1.4 Type 2 and IEC61672-1 Class 2

• Definition: General Purpose Grade for field use
• Tolerance: ± 1.0 dB
• Typical Application: Noise at work, basic environmental, motor sport