Amprobe SM-20A Sound Meter 30 to 130 dB

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Brand: Amprobe
SKU: 95021

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SKU: 95021 Category: Sound Level Meter | Decibel & Noise Meters

Brand:Amprobe

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Description

Amprobe SM 20A

The Amprobe SM-20A Sound Meter is engineered for assessing compliance with safety standards and conducting acoustic evaluations, making it a valuable tool for safety engineers, health officials, industrial safety personnel, and quality control teams. This device also features a PC interface for enhanced usability.

It incorporates two distinct weighting filters, adhering to the requirements of IEC651 and ANSI S1.4 Type 2 for audio filtering. The A-weighting filter is intended for general noise level measurements, while the C-weighting filter is used for assessing sound levels in acoustic material control across various environments (e.g., 94 dB at 1 kHz).

Amprobe SM-20A Key Features

Designed to meet the measurement requirements of safety engineers, health, industrial safety offices and quality control in various environments.
A and C weightings for checking compliance with safety regulations as well as acoustic analysis
Measuring ranges: A weighting 30 – 130 dB, C weighting 35 – 130 dB
Frequency range: 31.5 Hz – 8 kHz
Display with 0.1 dB steps on a 4 digit LCD
Slow (1 sec) and fast (125 ms) response settings to check peak and average noise levels
Max/min recording
Internal memory, 14,000 records
Recording intervals from 1 second to 8 hours
PC computer download capabilities
Data hold to freeze reading on digital display
CE, designed to meet IEC651 type 2, ANSI S1.4 type 2

specifications

Specifications	Details
General Specifications
Display	4 digits LCD
Microphone	1/2 inch Electret condenser microphone
Low Battery Indication	Replace battery when LCD displays “�”
Power Supply	9V NEDA 1604, IEC 6F22, JIS 006P battery
Power Life	Approx. 50 hours (Alkaline Battery)
Auto Power Off	Approx. 5 minutes
Environment	Indoor operation, < 2000 m
Temperature / Humidity (Operation)	5°C to 40°C (41°F to 104°F); < 80% RH
Temperature / Humidity (Storage)	-10°C to 60°C (14°F to 140°F); < 70% RH
Dimensions	200 x 55 x 38 mm (7.8 x 2.2 x 1.5 in)
Weight	233g (0.5 lb.), including battery
Electrical (Audio)
Standards Applied	IEC 651 Type 2, ANSI 1.4 Type 2
Dynamic Range	50 dB
Resolution	0.1 dB, Display Update: 0.5 seconds
Time Weighting	FAST (125 ms), SLOW (1 sec)
Frequency Range	31.5 Hz to 8 kHz
Measuring Level Range (Auto Range)	A Weighting: 30 to 130 dB; C Weighting: 35 to 130 dB
Accuracy	± 1.5 dB
Calibration Cycle	1 year
Accessories	Carrying case, windscreen, user manual, USB cable, and 9V battery