Extech 407790-NIST Real Time Octave Band Analyzer (NIST Certified)
$2,762.00
In Stock
Strict environmental noise mapping and industrial engineering site acoustics certification reach optimal testing efficiency when utilizing the flagship Extech 407790-NIST real-time octave band analyzer. This comprehensive Sound Level Meters diagnostic device features advanced 1/1 and 1/3 real-time frequency analysis software, bundled safely with an official NIST-traceable calibration certificate document. It displays rapid measurements on a prominent graphic screen interface window to ensure total operator accountability.
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Extech-407790-NIST Specs
| Applicable Standards | IEC 60651 type2, 60804 type 2, ANSI S1.4 type2, IEC 1260 (1995) |
| Display | Backlit LCD (160×160 dot matrix) |
| Sound level meter mode | Numeric display: 4 digits; Update rate: 0.5 seconds; Resolution: 0.1 dB |
| Bar graph display | 100dB range; Update rate: 0.125S; Resolution: 1dB |
| Frequency analysis mode | Numeric display: 4 digits; Update rate 0.5 seconds; Resolution: 0.1dB |
| Bar graph display | 70dB range; Update rate: 0.125S; Resolution: 1 dB |
| Accuracy | ±1.5dB (ref 94dB @1kHz) |
| Measurement Frequency range | 25Hz to 10 kHz |
| Dynamic range | 100dB (Sound level meter mode); 70dB (Frequency analysis mode) |
| Measurement range | 30dB to 130dB |
| Sound Pressure Level range | SLM mode: 100dB (30 to 130dB) |
| Frequency analysis mode | 70dB (20 to 90dB, 30 to 100dB, 40 to 110dB, 50 to 120dB, 60 to 130dB |
| Frequency weighting | ‘A’, ‘C’, ‘P’ (Flat) |
| Time weighting (Response Time) | Fast and Slow |
| Microphone | 1/2 inch electret condenser type |
| Display warning indicators | OVER indicator (Input signal exceeds the upper limit) UNDER indicator (Input signal under the lower limit) |
| AC output | 2 Vrms at FS (full scale); Output impedance approx. 600Ω |
| DC output | 10mV/dB; Output impedance approx. 100Ω |
| Power | Four (4) C size 1.5V alkaline batteries |
| External DC power supply | 6 Vdc, 1A |
| Battery life | Approx. 2hours |
| Operating Temperature/Humidity | 32 to 104°F (0 to 40°C); 10 to 90%RH |
| Storage Temperature/Humidity | 14 to 140°F (-10 to 60°C); 10 to 90%RH |
| Environment conditions | Altitude up to 2000 meters |
| Dimensions & Weight | 13.6 (H) x 4.0 (W) x 2.4 (D)” (34.5 × 10 × 6cm); Approx.33.5 oz. (950g) including batteries |
| Accessories | Four (4) C 1.5V batteries, hard-shell carrying case, CD-ROM Windows software, RS-232 cable, 9 pin to 25 pin adapter, adjustment screw river, Windscreen, 3.5mm plug, and AC adaptor |
| Optional accessories | Microphone extension cable (5m or 10m), Sound level calibrator |
- Microphone wind cover
- CD with PC software
- Serial cable
- Type C size batteries
- Adjustment screwdriver
- 120VAC adaptor
- Carrying case
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