Extech 407790A
Real Time Octave Band Analyzer
Extech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5" 320x240 TFT color backlit LCD.
20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB
3.5" (320x240) TFT color LCD with backlight feature displays Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95
Optional microphone extension cable for measurements in enclosures and other remote locations (407764-EXT)
사양
| General | |
|---|---|
| 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 |
| Additional Details | |
|---|---|
| Certifications | 407790A-NIST_S: CE, NIST 407790A_S: CE |
| Dimensions | 13.6 × 3.9 × 2.4" (345 × 100 × 60mm) |
| Power | 4 × C (1.5V) batteries / external supply 6V DC, 1A |
| Warranty | 2 years |
| Weight | 33.5oz (950g) |
Export Restrictions
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