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Sound Level Meter [NL-62]
With the auto store function included as standard, as well as a timer function and external power supply support, the NL-62 is ideal for continuous measurement. Designed for intuitive ease of use, there is no more need to consult the manual during a measurement. The large 3-inch color screen is bright and easy to read. Sudden rainfall is also no problem, thanks to the water-resistant construction. Using the optional octave and 1/3 octave band real-time analysis program NX-62RT (under development), the unit can even operate as a frequency analyzer. The High-Precision Sound Level Meter NL-62 supports all your measurement needs.
Feature:
Large color LCD screen
Three-inch LCD screen with a touch panel. High resolution screen is easy to see indoors or outdoors and even in the dark.
No paper manual is needed
The manual and a help function can be easily accessed on the device.
Water-resistant
Guaranteed water-resistant to at least level IP54 (resistant to spraying water). Helps reduce failures caused by sudden rain showers
Use of rechargeable batteries
In these new models it is possible to use rechargeable batteries which make these meters environmentally-friendly. 16 hours continuous measurement is possible (when using dry alkaline batteries).
Continuous detailed measurements for one month
This meter can be used to conduct long-term measurements, such as environmental measurements. (If an AC adapter is used)
Functionality can be extended by a range of options
Add long-term data recording capability and frequency analysis function
Optional program function list
By adding the NX-62RT program to the NL-62, octave band and 1/3 octave band real-time analysis can be realized. Saved analysis results can be loaded and shown in an overlay graph display together with current analysis data. NC curve graph display and NC value calculation/display are also possible.
Specifications
| Applicable standards | IEC 61672-1: 2002 Class 1, ISO 7196: 1995 ANSI S1.4-1983 Type 1, ANSI S1.4A-1985 Type 1 ANSI S1.43-1997 Type 1, JIS C 1509-1: 2005 Class 1 |
| CE Marking (EMC Directive 2004/108/EC, Low Voltage Directive 2006/95/EC), WEEE Directives, Chinese RoHS (export model for China only) | |
| Measurement functions | Main ch: Lp, Leq, LE, Lmax, Lmin, LN (1 to 99 %, 1 % Step: Minimum 5 values) Sub ch: Lp |
| Measuring time | 10 s, 1, 5, 10, 15, 30 m, 1, 8, 24 h, and manual (maximum 24 h) |
| Measurement range | A-weighting: 25～138 dB, C-weighting: 33～138 dB, G-weighting: 43～138 dB, Z-weighting: 50～138 dB, C-weighting peak sound level: 60～141 dB, Z-weighting peak sound level: 65～141 dB |
| Frequency range | 1 Hz to 20 kHz |
| Frequency weighting | A, C, G and Z |
| Time weighting | F (Fast) and S (Slow), I (Impulse) and 10s |
| Level range | Single range (dynamic range: 113 dB) |
| Sampling cycle | 20.8 μs (Lp, Leq, LE, Lmax, Lmin, Lpeak : sampling frequency: 48 kHz) 100 ms (LN ) |
| Delay time | The meter can be set to start measuring a specified time (OFF, 1, 3, 5 or 10 s) after the start button has been pressed or when a user-set trigger is exceeded. |
| Back erase function | When the PAUSE key is pressed to pause measurement, the preceding (user selectable) 0, 1, 3 or 5 s data are excluded from processing. |
| Display | Backlit semitransparent color TFT LCD display WQVGA (400 x 240 dots) *LCD with touch panel (Capacitive Touch Panel) |
| Store: Manual | Data for measurement results are stored manually in single address increments. |
| Number of data | Internal memory: max. 1000 sets |
| Auto | Instantaneous values (Lp mode) and processed values (Leq mode) are stored continuously and automatically at preset intervals. Lp sampling cycle: 100 ms, 200 ms, 1 s, Leq 1 s and user selected time (up to 24 hours) Leq sampling cycle: 10 s, 1, 5, 10, 15, 30 ms, 1, 8, 24 h and user selected time (up to 24 hours) |
| Power requirements | Four IEC R6 (size AA) batteries (alkaline or rechargeable batteries) or external power supply |
| Dustproof / water-resistant | IP rating: IPX3 (except for microphone) |
| Dimensions / weight | Approx. 255 (H) x 76 (D) x 33 mm(D)/ Approx. 400 g (with batteries) |