EXTECH, Sound Meters, Testing & Measuring
407790A: Real Time Octave Band Analyzer
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- Wide measurement in 5 ranges: 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB
- 3.5″ (320×240) TFT color LCD with backlight feature displays Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95
- Stores readings on microSD card
- Precise linearity over wide range (100dB)
- Transferred data to a PC to be analyzed using software and cable provided
- A, C and Z weighting with Fast or Slow response
- 25Hz to 10kHz frequency response
- Meets ANSI and IEC Type 2 standards
- Internal self test when powered ON
- Detachable 0.52″ (13.2mm) diameter condenser microphone and Tripod mount provided on rear
- Analog AC/DC recorder output
- Real time clock with Year, Month, Day, Hour, Minute and Second display
- Optional microphone extension cable for measurements in enclosures and other remote locations (407764-EXT)
- Complete with Windows® compatible software, USB cable, 4 x C batteries, microphone wind screen, mini screwdriver, 120V AC adaptor, and case
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Extech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5″ 320×240 TFT color backlit LCD.
- WIDE MEASUREMENT IN 5 RANGES – 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB
- MULTI-FUNCTION DISPLAY – 3.5″ (320×240) TFT color LCD with backlight feature displays Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95
- CUSTOMIZABLE TO YOUR NEEDS – Optional microphone extension cable for measurements in enclosures and other remote locations (407764-EXT)
407790A: Real Time Octave Band Analyzer
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GENERAL SPECIFICATIONS
- Analog Output
- AC output: 1 Vrms (at full scale); DC output: 3.0V, 25mV/dB
- Frequency Bandwidth
- 25Hz ~ 10kHz
- Memory
- microSD card (included)
- Microphone
- Condenser, 0.52″ (13.2mm)
- Response Time
- Fast, Slow, 10ms (t), I
- Sound Range (dB)
- 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB
- Sound Range (dB) Basic Accuracy
- ±1.5dB (ref 94dB @ 1kHz)
- Weighting
- A, C, and Z
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EXTECH, Sound Meters, Testing & Measuring
SL400: Personal Noise Dosimeter with USB Interface
- Measures frequency weighted noise exposure and peak (C, Z) sound level
- Datalogs up to 999,999 readings when used as a sound level meter with sampling times between 1 second and 24 hours
- Sound level mode: displays sound level, min/max, time-averaged sound level (Leq), peak, and sound exposure level (SEL)
- Adjustable Criterion Level, Exchange Rate and Threshold
- One user-defined measurement setup
- Optional 94dB calibrator to perform “before” and “after” calibration checks per ANSI standards
- USB interface with Windows®-compatible software to control setup and retrieve stored events or analyze real-time measurements
- Complete with belt clip, clip-on 0.5″ (12.7mm) microphone with 32″ (81.3cm) cable and windscreen, 9V battery, software, USB cable, and carrying case
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