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Extech 407732-KIT Low/High Range Sound Level Meter Kit with NIST
Item #:
EXT-407732-KIT-NIST
Brand:
Extech
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407732-KIT Low/High Range Sound Level Meter Kit with NIST by Extech
Features
- Complete with 407732-KIT plus NIST Certificate of Calibration of 407722 and Limited NIST calibration of 407732-NISTL (single calibration to 94dB)
Model 407732
- High accuracy meets ANSI, and IEC Type 2 standards
- High and Low measuring ranges (35 to 130dB)
- Data Hold and Max Hold functions
- Backlit display to view in dimly lit area
Model 407722
- Calibrates and verifies sound level meter operation
- Durable double molded housing
- 1kHz sine wave at 94dB/114dB is generated to an accuracy of 4% (frequency) and ±0.5dB
- Total Harmonic Distortion (THD) <2% at 94dB
| Display | 4-digit (4000 count) backlit LCD |
| Display update rate | 0.5 seconds |
| Microphone | 0.5" Electret condensor |
| Measurement Bandwidth | 31.5Hz to 8KHz |
| Dynamic range | 65dB |
| Measurement Range | 35 to 130dB (Low: 35 to 100; High: 65 to 130dB) |
| Frequency weighting | 'A' and 'C' (selectable) |
| Accuracy / Resolution | ± 1.5dB (under reference conditions) / 0.1dB |
| Standards | Meets Type 2 ANSI S1.4-1983, IEC 60651, EN60651 |
| Maximum Hold decay time | <1dB / 3min |
| Response time | Fast: 125 milliseconds / Slow: 1 second |
| Calibration source required | 1KHz sine wave @ 94dB |
| Power | 9V Battery |
| Battery life | 50 hours (typical); low battery indicator alerts user |
| Automatic power off | After approx. 15 minutes of inactivity |
| Operating temperature | 0 to 40°C (32 to 104°F) |
| Operating humidity | 10 to 90% RH |
| Storage temperature | -10 to 60°C (14 to 140°F) |
| Storage humidity | 10 to 75% RH |
| Dimensions/weight | 240 x 68 x 25mm (9.45 x 2.68 x 1") /210g (6.75oz) |
