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Kanomax 4120 Digital Sound Level Meter
Item #:
4120
Brand:
Kanomax
Share this product:
4120 Digital Sound Level Meter by Kanomax
Features:
- Lightweight and compact design.
- “A”, “C”, and “Z” weighting modes.
- Utilizes a 30 to 130 dB measurement range.
- Equipped with RS232C terminal.
- Measures Lq, Leq, LCpeak, Lmax.
- Meets IEC 651/804 Type 2 Standards.
- Fast and Slow selectable response time.
- Comes complete with wind shield and carrying case.
| Pattern Approval | No.SLS041 |
| Applicable standards | Measurement Law Common Sound Level Meter IEC 606651：1979 60804：2000 TYPE II IEC/CDV 61672-1 CLASS2 |
| Measuring function | Instantaneous value : Lq Equivalent noise level : Leq, Lmax, Lc peak Measuring time : 10 sec, 1, 5, 10, 15, and 30 min, 1, 8, 12, and 24 hrs Manual Max. measuring time: 199 hrs 59 min 59 sec |
| Measuring level | A-weighting 30 - 130dB, C-weighting 36 - 130dB, Z- weighting 40 - 130dB |
| Self-noise level | A-weighting 22dB or less, C-weighting 30dB or less, Z-weighting 32dB or less |
| Linearity range | 75 dB or more |
| Range | 60 - 130dB, 30 - 100dB |
| Frequency range | 20 - 8000Hz |
| Microphone | 7052NB 1/2” electret condenser Microphone |
| Frequency correction circuit | A-weighting, C-weighting, and Z-weighting |
| Effective value detecting circuit | Genuine effective detecting circuit (digital computing method) |
| Dynamic characteristics | Fast (125ms), Slow (1s) |
| Sampling cycle | 41kHz (24uS) |
| Computing | Digital form |
| Built-in memory | Stores instantaneous values or computed values in memory Data capacity 4kB |
| Display | LCD with backlight, Numerical value: 4-digit display, Display cycle: 1 sec, Bar display Display cycle: 0.1 sec, Warning Over : Overload signal (displayed when the value exceeds a range), Under: Under-load signal, displayed when the value falls under a range, Battery voltage: 4-level residual display |
| Output | AC output: AC/DC OUT connector, Output voltage: Approx.1Vrms (FS), Output resistance: Approx.600Ω, Load resistance: 100kΩ or more, DC output: AC/DC OUT connector, Output voltage: Approx.2.5V (FS), 0.25V/10dB, Output resistance: Approx.600Ω, Load resistance: 100kΩ or more |
| I/O terminal | Sound level meter control and data output by computer (direct output to printer), Interface: RS-232C (asynchronous), Data length: 8 bit, Stop bit: 2 bits, Parity: None, Transmission speed: 4800, 9600, 19200 |
| Power supply | 2 AAA batteries or AC adapter, Battery life: approx. 7 hrs (alkaline AAA batteries) |
| Opening temperature range | -10-50°C, 30%-90%RH (no condensation) |
| Size and Weight | 6.6” x 1.9” x 0.9” (168×48×23.5mm), Approx. 4.4oz (125g) (w/ batteries) |