Sound Meters Archives - Obiat Electronics

Extech SL130G Sound Level Alert

Mike — Sun, 24 Apr 2016 10:38:20 +0000

Extech SL130G Features:

Bright LED’s (red flashing or green) alert user when sound level is too high or too low – LEDs can be read from 30m
Continuous Monitoring of Sound Level
Ideal for industrial, hospital, auditoriums, schools, and other areas where there is a need for being alerted when sound level reaches a set point
Meets ANSI Type 2 and EN 60651 accuracy specs – compliant to OSHA
User settable high or low limit (30 to 130dB) indication with output to drive external relay module
Wall, desk, or tripod mount
Microphone rotates 180° for desired placement. Optional 5m microphone extension cable for remote monitoring
Complete with AC adaptor, microphone wind cover, wall, desk, or tripod mount (optional Tripod)

Extech SL130G Features Overview

Users can set the SL130G so the Red LEDs flash when the sound level is below the LO set point where people in the audience may not be able to hear. When the sound level is above the LO set point, the Green LEDs indicate the sound level is acceptable. You can reverse the Red and Green LEDs activation per user color preference.

Connectivity Options

Optional 5-meter microphone extension cable for remote monitoring.User settable high or low limit (30 to 130 dB) with output to drive an external relay module that can power a larger, remote indicating device such as a “Quiet” sign, or enable connection to an alarm system. Mount on a wall or tripod or set on a flat surface. Meets ANSI Type 2 and EN 60651 accuracy specs.

Extech SL130G Specifications:

General Specifications
Display:	4.6 x 3.125″ multifunction LCD
Frequency Bandwidth:	31.5Hz to 8kHz
Microphone:	0.5″ Electret Condenser Microphone (remoteable)
Measurement Ranges:	30 to 80dB, 60 to 110dB, 80 to 130dB
Frequency Weighting:	‘A’ and ‘C’ (Programmable)
Response Time:	Fast (125ms)/Slow(1s) (Programmable)
Resolution:	0.1dB
Alarm Output:	3.5mm Mono Phone Plug, Maximum:3.4mA @ 5VDC
Minimum Output:	Voltage: 2.5 VDC
Power:	AC/DC Adaptor for full functions; 8 x AA batteries for monitoring function only without LED alert
CE/Warranty:	CE Approved/ 1 year warranty
Dimensions:	22 x 18 x 3.2mm
Weight:	285g

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Extech 407732 Sound Level Meter

Mike — Sun, 24 Apr 2016 09:56:33 +0000

Sound Level Meters Description

Sound Level Meters measure sound pressure, vibration levels, and/or frequencies. They are often used in industrial, environmental, and aircraft noise pollution studies. Sound level meters are accurate and easy to use. They are designed to meet the measurement requirements of Safety Engineers, Health and Industrial safety offices, and quality control in various environments.

Sound Level Meter Applications

Workplace noise management. Devices can be used to determine hearing protection needs as well as to reduce employee distraction
Residential areas. The meters measure the noise of construction, power equipment, industrial noise, and more
Agency and government requirements. The meters measure noise to make sure it adheres to requirements such as city ordinances or the U.S. Occupational Safety and Health Administration standards

The Extech 407732 sound level meter is a high accuracy instrument that meets ANSI and IEC 651 Type 2 standards. The Extech 407732 sound level meter has high (65 to 130dB) and low (35 to 100dB) measuring ranges enabling its use in a variety of environments. Functions of the Extech 407732 sound level meter include data hold and max hold. The backlit display aids viewing in dimly lit areas. The Extech 407732 sound level meter ships complete with microphone wind screen and 9V battery.

Applications of the Extech 407732 Sound Level Meter include:

Enforcing community noise ordinances
Meeting government safety issues
Installing audio systems
Product noise certification and reduction

Extech 407732 Specifications:

Display Counts	2000 count LCD
Range	Low: 35 to 100dB
High	65 to 130dB
Basic Accuracy	±1.5dB
Weighting (A & C)	Yes
Response Time (Fast/Slow)	Yes
Condenser Microphone	0.5″ (12.7mm)
Dimensions	210 x 55 x 32mm)
Weight	230g

The post Extech 407732 Sound Level Meter appeared first on Obiat Electronics.

Extech HD600 Datalogging Sound Level Meter

Mike — Sun, 24 Apr 2016 09:40:16 +0000

Extech HD600 Datalogging Sound Level Meter

The Extech HD600 meets ANSI and IEC 61672-1 Type 2 standards. It has three measuring ranges from 30 to 130 dB with 1.4 dB accuracy. In addition to the LCD digital display, an analog bargraph provides easy viewing of fast changing sound levels. Unit features a rugged double-molded housing and built-in stand.

Additional Features

Users can select Frequency Weighting (‘A’ and ‘C’), Response Time (Fast and Slow), maximum/minimum Hold, Auto Power Off, and AC/DC analog outputs. The meter has a datalogging capability of up to 20,000 records with user-settable sampling rate from 1 to 59 seconds. Readings are displayed and recorded with real date and time stamp.

Extech HD600 Features:

Datalogging capability up to 20,000 records
Auto power off with disable capability
Three ranges from 30 to 130dB
Capture up to 10 readings/sec when connected to a PC
Records readings with real date and time stamp
Min/Max and Data Hold functions
Heavy Duty rugged double molded housing
USB port includes software
Includes Windows® compatible software, USB cable, wind cover, tripod, hard carrying case, AC adaptor, and 9V battery

Extech HD600 Sound Level Meter Specifications:

Sound Range	30 to 130dB
Sound Accuracy	±1.4dB
Frequency Range	31.5Hz to 8kHz
Dynamic Range	50dB
Frequency Weighting	A and C
Response Time	Fast (125ms) / Slow (1 Second)
Analog Outputs	AC: 1Vrms Full Scale; Output Impedance: 100 OHms DC: 10 mV/1dB; Output Impedance: 1 kOhms
Data Storage Capacity	20,000 Readings/Samples
Auto Power Off	Approximately 15 Minutes of Inactivity with Disable
Power Supply	(1) 9 Volt Battery or 12 Volt AC Adaptor
Battery Life	30 Hours
Microphone	1/2″ Electret Condenser
Display	4 Digit LCD with Bargraph and Backlighting
Display Update Rate	2 Times/Second
Range Indicators	“Over” and “Under”
Operating Conditions	Temperature: 0°C to 40°C Humidity: 10% to 90% RH
Storage Conditions	Temperature: -10°C to 60°C Humidity: 10% to 75% RH
Compliance Standards	IEC61672-1:2002 Class 2 IEC 60651: 1979 Type 2 ANSI S1.4:1983 Type 2 CE
Weight	350g
Dimensions	278mm x 76mm x 50mm

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Extech 407780A Integrating Sound Level Meter

Mike — Sun, 24 Apr 2016 09:18:55 +0000

Extech 407780A Features:

4-digit multifunction LCD with analogue bargraph
Precise linearity over wide range (100dB)
Display modes: SPL, SPL MIN/MAX, SEL, and Leq
Programmable integrating time
A and C Frequency weighting
Impulse/Fast/Slow response settings
Datalogging function records up to 32,000 records
Real time calendar/clock
Analog and alarm output features can be used to connect with Frequency analyzers, chart recorders, external dataloggers, and sound level alarms
Built-in USB interface with included Windows® datalogging software
Tripod mount
Meets IEC 61672-1, 60651/60804 Type 2 and ANSI S1.4 Type 2 specifi cations
Complete with windscreen, adjustment screwdriver, USB cable, Windows® compatible software, battery, and case

Extech 407780A USB Sound Level Specifications

Microphone	0.5″ (12.7mm) Electret Condenser Microphone
Measurement Range	30 to 130dB
Frequency Range	31.5 to 8kHz
Sampling Time	Updated every 0.5s
Accuracy	±1.5dB (ref 94dB@1KHz)
Resolution	0.1dB
Measurement Parameters	SPL, SPL MIN/MAX, SEL, and Leq
Frequency Weighting	A and C
Response	Impulse, Fast and Slow
Data Storage Capacity	32,000 Samples
Battery	(4) 1.5 Volt AA Batteries
Battery Life	Approximately 24 Hours
PC Interface	USB
Software	Windows XP and Vista 32-Bit Compatible
Standards Compliance	IEC: 61672-1, 60651 and 60804 Type 2 ANSI: S1.4 Type 2
Dimensions	265mm x 72mm x 21mm
Weight	310 grams

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