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Integrating Sound Level Meter Class 2
Specifications
| Power Requirement | Size AA battery 2 pcs. (manganese (6R) or alkaline (LR6) or oxyride (ZR6)) or PB-7090 AC adapter (option)) |
|---|---|
| Weight | Approx. 360 g (including batteries) |
| Linearity range | 100 dB (Wide range)| 80 dB (Normal range) |
| Microphone | 1/2-inch backelectret-type |
| Level Range | 20 to 90 dB| 30 to 90 dB| 40 to 100 dB| 50 to 110 dB| 60 to 120 dB (Normal range)| 70 to 130 dB| 40 to 120 dB (Wide range) |
| Applicable standard | IEC 61672- 013 Class 2 |
| Outer dimensions | Approx. 78(W) 263(H) 47(D) mm |
| Operating (storage) temperature range | -10 to 50 C (-20 to 60 C) |
| Preamplifier | MI-3111 Preamplifier for mocrophone |
| Operating (storage) humidity range | 25 to 90 %RH (10 to 90 %RH) with no condensations |
| Measurable frequency range | 10 Hz to 8 kHz(IEC| JIS) |
| Measurement level range | 6 to 135 dB(IEC| JIS) 1 to 135 dB(IEC| JIS) 6 to 135 dB(IEC| JIS) |
| Battery life (continuous using) | Approx. 8 hours (LR6 alkaline battery in use / 23 C/ backlight off / not RS-232CUSB in use) |
| Time Weighting | FAST| SLOW |
| Measurement time | Manual| arbitrary setup (199 h 59 m 59 s max.) |
| Measurement items | Lp| Leq | LE| Lmax| Lmin| Lpeak| LN(Lhigh| L5| L10| L50| L90| L95| Llow| Lave) |
| Sampling interval | 31.25 s (other than LN ) 100 ms(LN) |
| Intrinsic noise | 0 dB or less 5 dB or less 0 dB or less |
| Internal calibration signal (REFOUT) | 1 kHz sine wave (For upper limit level rang 6 dB(normal range)| -16 dB(wide range)) |
| Display update time | Display by numeric 1 s| bar indicator 0.1 s| trend screen 0.2 s |
| Manual memory function | Total calculated values 100 addresses |
| Measurement condition memory function | Condition memories (9 kinds) |
| Resume function | Settings activated at power ON can be selected from follows| settings used at previous power OFF| factory setting| and any condition memory number which is set from menu. |
| Backup function | The backup of data stored in clock and memory can be performed by built-in secondary power source. Time for full charged approx. 24 hours Backup period more than 3 months (when stored at temperature of 23 C) |
Key Features
- Simultaneous measurements of seven sound items including equivalent continuous sound level (Leq) and displays of measurement results to be selected.
- Microphone can be separated from the main unit of sound level meter by connecting several exclusive coaxial cable(s).
Product Description
Integrating Sound Level Meter - Class 2 Three models of sound level meter LA-1411/1441A(Class 2) and LA-4441A (Class 1) are applicable to IEC 61672-1:2013, JIS C 1509- 1:2017. The all models can perform simultaneous measurement of seven sound parameters including equivalent continuous sound level without adjusting the level range corresponding to the sound fluctuation and display the selected parameters.The microphone is able to be used away from the main unit of sound level meter by using exclusive coaxial cable(s). Featuring curve-shaped body with minimum affects from sound reflection, easy-to-read and intuitive operating menu etc., our new sound level meters have greatly improved more than ever easier as ergonomically designed interface.Moreover, LA-1441A/4441A sound level meters can transfer the measurement result to a PC with simple and quick operation via RS-232C or USB interface. The sound level meter can be controlled remotely from PC using software (user preparation).LA-1441A-Sound level meter (Class 2) for measuring the working environment and environmental noise
- Simple and easy data processing
Display:LCD with LED backlight semitransparent (124 x 64-dot) Measurement value display by numeric and bar indicators List display and trend graph display for various kinds of calculated values Displays of date| time| measurement time| and conditions of various kinds of instruments
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