Extech 407750 Digital Sound Level Meter - w/ NIST
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This Extech 407750 Digital Sound Level Meter comes complete with NIST certificate!
Item #: 105899
Manufacturer: Extech Instruments
Manufacturer Item #: 407750-NIST
Your Price $384.99
| Qty: | 1-2 | 3+ |
|---|---|---|
| Price: | $384.99 | $356.25 |
Click here to view Sound Level Meter Chart
Features & Applications:
The Extech 407750, Digital Sound Level Meter is extremely easy to use for a wide range of sound measurement applications. Monitor sound effortlessly and obtain readings quickly and accurately. The digital sound level meter features Auto and Manual ranging, from 30 to 130db in 6 sound level ranges, fast and slow selectable response times, and selectable "A" and "C" frequency weightings.
A large, 3.5" backlit display and analog bargraph enables you to easily use this digital sound level meter for machine noise evaluation, OSHA compliance testing, community noise measurement and noise ordinance. The Extech 407750, Digital Sound Level Meter complies with the ANSI and IEC Type 2 standards.
For recording purposes, an RS-232 interface is available for sound data collection directly into your PC.
Features:
- NIST Certificate of Calibration
- 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
Spec Summary:
| Digital Display: | 3-1/2 digit (1900 count) Autorange LCD |
| Bargraph Display: | 50dB display range (1dB resolution) |
| Measurement Range: | 30 to 130dB (35 to 130dB for "C" weighting) |
| Resolution: | 0.1dB |
| Accuracy: | ±1.5dB@94dB for a 1KHz sine wave |
| Microphone: | Electret Condensor .24" (6mm diam.) type |
| Frequency Weighting: | "A" and "C" type |
| Time Response: | Slow/Fast |
| Sampling Time: | updates every 0.5 seconds |
| Measurement Frequency Range: | 31.5Hz to 8KHz |
| Analog Output: | AC: 0.70Vrms (full scale); DC: 10mVDC/dB |
| Applicable Standards: | IEC 651 Type 2, ANSI S1.4 Type 2 |
| Power Supply: | 9V battery, optional AC adapter |
| Dimensions: | 10 x 3.1 x 1.5" (256 x 80 x 38mm) |
| Weight: | 8.5oz. (240g) |
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