Amprobe SM-20-A Sound Meter

Amprobe SM-20-A Sound Meter
                                                           
Overview
The Amprobe SM-20-A Sound Meter has been designed to check compliance with safety regulations and perform acoustic analysis by safety engineers, health, industrial and safety offices as well as quality control. The SM-20-A offers a PC interface.
They use two different weighting filters required by the IEC651 and ANSI S1.4 Type 2 for audio filtering. The A weighting is for general noise sound level and the C weighting is for measuring sound level of acoustic material control in various environments (ie 94dB 1 kHz etc.)

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 30~130dB, C weighting 35~130dB
• Frequency range: 31.5Hz~8KHz
• Display with 0.1dB steps on a 4 digit LCD
• Slow (1 sec) and fast (125ms) 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

Features	SM-10	SM-20A
Microphone	1/2 Electret condenser microphone
Standard applied	IEC 651 Type 2, ANSI 1.4 Type 2
Dynamic range	50 dB
Time weighting	Fast (125 mS), Slow (1 sec)
Frequency range	31.5 Hz → 8 kHz
Measuring level range	(Auto Range) A-Weighting: 30 dB → 130 dB C-Weighting: 35 dB → 130 dB
Data	Data hold	Min/max
Internal memory	-	14,000 records

Specifications
Display:	4 digits LCD
Microphone:	1/2 inch Electret condenser microphone
Power supply:	9V NEDA 1604, IEC 6F22, JIS 006P battery
Auto power off:	Approx. 5 min
Environment:	Indoor operation, < 2000 m
Standard applied:	IEC 651 Type 2, ANSI 1.4 Type 2
Dynamic range:	50 dB
Resolution:	0.1 dB, display update: 0.5 sec.
Time weighting:	FAST(125mS), SLOW(1 sec)
Accessories:	Carrying case, windscreen, User manual and 9V battery

Model and Accessories
Model Name : SM-20-A
Description :

• 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
• Internal memory, 14,000 records

Included Accessories:   Carrying case, users manual, battery(installed),USB cable download and software CDcase, users manual