Sper Scientific 840018 Type 2 Sound Meter Pen with 1-Button Operation

Its small size makes Sound Level Pen convenient for testing many 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 30 to 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 oscillator or external 2-Pt. Acoustical Calibrator 850016. Comes ready to use with two AAA batteries, instructions, calibration screwdriver, and a windscreen. N.I.S.T. Traceable Certificate of Calibration available, or calibrate anytime using optional Acoustical Calibrator 850016. Dimensions: 8" × 1½" × 1" (203 × 38 × 25 mm) Weight: 4.3 oz (122 g) 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
• One-button Operation
• 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
• 0.1 dB resolution
• One-button Operation