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มิเตอร์วัดระดับเสียง Sound Level Meter
รุ่น 407790
คุณลักษณะ
- Wide measurement in 5 range : 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB
- 3.2"(320x240) TFT color LCD wuth backlight feature display Leg, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95
- Stores readings on microSD card
- Precise linearity over wide range (100dB)
- Transferred data to a PC to be analyzed using software and cable provided
- A, C and Z weighting with Fast or Slow response
- 25Hz to 10kHz frequency response
- meets ANSI and IEC Type 2 standards
- Internal self test when powered ON
- Detachable 0.52" (13.2mm) diameter condenser microphone and Tripod Mount provided on rear
- Analog AC/DC recorder output
- Real time clock with Year, Mounth, Day, Hour, Minute and Second display
- Optional microphone extension cable for measurements in enclosures and other remote locations (407764-EXT)
- Complete with Windows compatible software, USB cable, 4 x C batteries, microphone wind screen, mini screwdriver, 120V AC adapter, and case
คุณสมบัติ
| MODEL | 407790 |
|---|---|
| Applicable standards | ANSI S1.4 Type 2, EN IEC 60651, EN IEC 60804, and EN IEC 1260-1995 |
| Accuracy | ±1.5dB (ref 94dB @ 1kHz) |
| Measurement functions | Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95 |
| Frequency range | 25Hz - 10kHz |
| Frequency Weighting | A, C, and Z |
| Time Weighting | Fast, Slow, 10ms (T), I |
| Display | 3.5" (89mm) 320x240 TFT color backlit LCD; Display 1/1, 1/3 and 1/1 & 1/3 |
| 1/1 - 1/3 Analyzer level range | 5 ranges in 10dB steps : 20 to 90 dB, 20 to 100dB, 20 to 110dB, 30 to 120dB, 40 to 130dB |
| 1/1 Octave and 1/3 Octave | 1/1 Octave band center frequencies (9 bands) 1/3 Octave band center frequencies (27 bands) |
| Signal output | AC output : 1 Vrms (at full scale); DC output : 3.0V, 25mV/dB |
| Memory | microSD card (included) |
| Measurement Time | 1s to 23h 59m 59s |
| Power | Four type Csize 1.5V batteries, External DC power : 6V, 1A |
| Dimensions | 345 x 100 x 60 mm. |
| Weight | 950g. |
