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Extech 407750 Sound Level Meter with PC Interface with NIST
Item #:
EXT-407750-NIST
Brand:
Extech
Share this product:
407750 Sound Level Meter with PC Interface with NIST by Extech
Features
- Auto/Manual ranging from 30 to 130dB in 6 ranges
- Meets ANSI and IEC Type 2 standards
- A and C selectable frequency weightings
- Fast and Slow selectable response times
- Background noise absorber mode for machine noise measurements filters ambient noise
- Large 3 1/2 digit display with 0.1dB resolution with backlighting and analog bargraph
- Electret condenser microphone provides 1.5dB accuracy
- Min/Max plus analog output and tripod mount
- Max Hold latches maximum value on display
- RS-232 interface for capturing data directly on a PC, optional Windows® compatible software
- Complete with batteries and carrying case
Applications
- Machine noise evaluation
- OSHA compliance testing
- Community noise measurement
- Noise ordinance
- PC interface for data collection
Display | Backlit 2000 count LCD with analog bargraph |
Display update rate | Main LCD digits: 0.5 seconds; Bargraph: 50mS |
Analog Bargraph | 1dB steps with 50dB display range |
Microphone | Electret condenser (0.5" diameter) |
Measurement Bandwidth | 31.5Hz to 8KHz |
Measurement Range | A weighting: 30 to 130dB; C weighting: 35 to 130dB 6 ranges in 10 dB steps: 30 to 80dB, 40 to 90dB, 50 to 100dB, 60 to 110dB, 70 to 120dB, 80 to 130dB |
Accuracy / Resolution | ± 1.5dB / 0.1dB |
Time response selections | Fast (125ms) and Slow (1 second) |
AC and DC Analog outputs | 0.707VAC rms at full scale; 10mVDC / dB; 3.5mm output jacks |
Standards | Meets ANSI and IEC Type 2 |
External Calibrator | Extech models 407766 or 407744 |
Power | 9V Battery; 20 hour battery life (typical) with low battery indication |
Dimensions/weight | 3.2 x 10.1 x 1.5" (80 x 256 x 38mm) / 8.5 oz. (240g) |