Sound Measurement - Page 28

Manufacturer: CEM Brand: Botterrun

Description: DT-805 Mini Sound level meters have a wide dynamic range from 30 to 130dB. They have different frequency weighting A and C to respond to human sense or machine monitoring purposes. For different sound pattern, they also supply Fast and Slow time constant setting. Specification: Applicable standards: IEC651 Type2 & ANSI S1.4 Type2 Range: 30-130dB Resolution: 0.1dB Accuracy: ±1.5dB(Reference conditions:94dB,1kHZ) Frequency response: 31.5Hz~8kHz Sound Level Frequency Weighting: A/C Time weighting: Fast:125 Milliseconds, Slow:1 Seconds Microphone: 1/2-inch polarized capacitive Calibration: At 1kHz sine wave, 94dB signal is calibrated Display: Backlit LCD display Display digits: 3-1 / 2 digits Alarm function: When the input over range will display "OVER" Auto power off: 15 minutes without any operation Power supply: One 9V battery (006P or IEC 6F22 or NEDA 1604) Battery life: about 50 hours (alkaline battery) Dimensions: 210x55x32mm Package Include: 1 x DT-805 Sound Level Meter 1 x 9V Battery 1 x User Manual

Manufacturer: Quantong Brand: Quantong

Sound Level Meter LA-953 FEATURES: ◆ Comply with IEC61672-1 CLASS2　Standard ◆ Max/Min Record ◆ Over range indication ◆ Under range indication ◆ A & C Weighting ◆ FAST & SLOW response ◆ Time and Date display ◆ Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder SPECIFICATIONS: Applied Standard: IEC61672-1 CLASS2 Accuracy: ±1.4dB Frequency Range: 31.5Hz~8kHz Dynamic Range: 50dB Measuring level Range: Lo:30dB～80dB Med:50dB～100dB Hi:80dB～130dB Auto:30dB～130dB Frequency Weighting: A & C Time Weighting: FAST 125ms;SLOW ( 1s ) Microphone: 1/2 inch electret condenser microphone Display: 4digits LCD display with a resolution of 0.1dB Sampling Time: 2 times/sec Max Hold: MAX Min Hold: MIN HOLD: Hold the readings Alarm Function "OVER"is when input is more than upper limit of range. "UNDER"is when input is less than lower limit of range. Analog Output: AC/DC outputs from earphone outlet AC=1Vrms ，DC=10mV/dB Auto power Off: Meter automatically shuts down after approx. 15 minutes inactivity. Power Supply: One 9V battery, 006P or IEC 6F22 or NEDA 1604. Battery Life: at least 30 hours Operating Conditions: -20℃～60℃; 10％RH～90％RH Storage Conditions: -20℃～60℃; 10％RH～75％RH Dimension: (L*W*H) 252*66 *33 mm Weight: 262g

Manufacturer: Testo AG Brand: Testo Model: 0563 8165

Testo 816 model has additional features which make it ideal for assessors, workplace measurements and for measuring industrial and environmental noise. Sound level meter, includes microphone, wind protection cap, battery, stereo jack 0.14", with case. Easy to adjust (screwdriver included). Frequency weighting to characteristic A and C. Maximum and minimum memory. Built-in tripod screw (1/4 inch). Switchable time weighting fast / slow. Automatic range switchover. Backlit display. Power supply. BarGraph display. AC output to connection from recorders and amplifiers. DC output with 10 mV/dB to connect recorders or data loggers. testo 816: Time weighting. Section measurement range. Frequency weighting. Current reading. Automatic range switchover. Backlit display. Power supply. Bar graph display. AC output for connecting recorders and amplifiers. DC output with 10 mV/dB for connection to recorders or data loggers. Measuring range: +30 to +130 dB. Accuracy +/- 1 digit: +/-1.0 dB. Resolution: 0.1 dB. Storage temperature: 14 to 140 degree F. Operating temperature: 32 to 104 degree F. Battery type: 9 volt battery. Battery life: 50 hr. Measures 12-11/16" length by 2-11/16" width by 2" height.

Manufacturer: Generic Brand: CEM

Sound level Calibrator SC-05 Features: 1.94dB and 114dB Sound Calibration at 1kHz 2.Accurate and simple to use 3.Fits 1/2"diameter microphone Specifications: Output Sound Pressure Levels 114dB and 94dB re 20 uPa under refrence conditions. Output Frequency:1000Hz, ±4% Reference Temperature Conditions: >23ºC (73ºF) Atmospheric pressure: >1013 mbar (760mm of Hg) Relative humidity: >65%RH Accuracy of Sound Pressure Level Under stated reference environment conditions ±0.5dB Accessories: 9V battery, Carrying case,1/2"Microphone Adaptor (optional) and Clamshell.

Manufacturer: Generic Brand: CEM

Generic DT-8852 Digital Sound Level Meter with Data Logger and USB Interface FEATURES: Conforms to the IEC61672-1 Class 2 and ANSI S1.4 Type 2 standard for sound level measurement Analog AC/DC output for connection to frequency analyzer or X-Y shaft recorder MIN and MAX sound level hold ; Over range / under range display Built-in memory for stand-alone field recording A & C frequency weighting ; Fast (125ms) and slow (1s) time weighting SPECIFICATIONS: Accuracy +/- 1.4 dB , Level ranges Lo: 30 - 80 dB Med: 50 - 100 dB Hi: 80 - 130 dB Auto: 30 -130 dB , Time weighting Fast: 128 ms Slow: 1 sec , Sampling rate 1 - 59 seconds , Memory capacity 32600 samples Color Dark gray and white External Testing Certification CE UNSPSC Code 41113600

Manufacturer: Industrial Grade Brand: Industrial Grade

Digital Sound Level Meter, 40 to 130 dB Range, A Frequency Weighting, Accuracy +/-3.5 dB, Resolution 0.1 db, Display 2000 Count LCD, Fast Response Time, Includes 9V Battery and Instructions, Manufacturers Warranty Length 1 Year

Manufacturer: Bega Special Tools Brand: Betex

Decibel Meter

Manufacturer: Sper Scientific Brand: Sper Scientific Model: 840028C

Advanced features; Covers 30 ~ 130 dB in the A scale and 35 ~ 130 dB in the C scale with a resolution of 0.1 dB and an accuracy of ±1.5 db. Meets ANSI S1.4 and IEC 651 Type 2 standards, and includes A & C decibel frequency weighting scales, fast or slow response, AC or DC output, low battery indicator, peak function and can be calibrated in compliance with OSHA using Acoustical Calibrator 850016. Contains many advanced features including: An even larger LCD display with an analog bar graph, auto-ranging, min/max functions and a USB computer interface. Another special function allows you to accurately measure equipment noise in the presence of high background noise. Comes ready to use with a windscreen, 9V battery, instructions, and a hard shell carrying case. comes with a N.I.S.T. traceable certificate of calibration. Dimensions: 11½" × 3" × 1½" (292 × 76 × 38 mm) Weight: 9.9 oz. (281 g).

Manufacturer: COLE-PARMER Brand: Cole-Parmer

Manufacturer: Reed Brand: Reed Instruments Model: C-322

The REED Sound Level Data logger records 32,000 measurements and is auto-ranging from 30 to 130 db. It has a dynamic range of 50 dB and user selectable sampling intervals. The real time clock logs each data point with time and date. The meter features a 4-digit backlit display with analog bar graph, AC and DC output, Max/Min function and auto power off.