Description
Rion NL-62 Sound Level Meter
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Measure Frequencies from 1 to 20000Hz
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.
Features Rion NL-62 Sound Level Meter
- large color LCD screen (3-inch)
- No paper manual is needed (Help function)
- Water-resistant (IP54; except for the microphone)
- Use of rechargeable batteries (or dry alkaline batteries)
- Supports long-term measurements (up to about 1 month)
- Option: Octave, 1/3 octave real-time analysis program (NX-62RT), FFT analysis program (NX-42FT) and Data management software (AS-60/AS-60RT).
Specifications Rion NL-62 Sound Level Meter
| Applicable standards | IEC 61672-1: 2013/2002 class 1 ISO 7196: 1995 ANSI/ASA S1.4-2014/Part 1 class 1 JIS C 1509-1: 2017 class 1 | ||||
| CE marking, WEEE Directives, Chinese RoHS (export model for China only) | |||||
| Measurement functions | Simultaneous measurement of the following items, with selected time weighting and frequency weighting | ||||
| Processing (main ch) | Instantaneous sound pressure level: Lp Equivalent continuous sound pressure level: Leq Sound exposure level: LE Maximum sound pressure level: Lmax Minimum sound pressure level: Lmin Percentile sound levels: LN (0.1 to 99.9 %, 0.1-increment steps, max. 5 values) | ||||
| Processing (sub ch) | Instantaneous sound pressure level: Lp | ||||
| Additional processing | One of the following can be selected: C-weighted equivalent continuous sound level: Lceq G-weighted average sound level: LGeq C-weighted peak sound level: LCpeak Z-weighted peak sound level: Lzpeak Power average of max. level in time weighted sound level interval LAtm5 ｴ-time-weighted average sound level: LAｴeq Max. value of ｴ-time-weighted average sound level: LAｴmax ＊Because additional processing frequency characteristics are linked to sub channel frequency characteristics, LAtm5, LAｴeq, LAｴmax can be selected when A characteristics are selected for sub channel. When C, G, or Z characteristics are selected, LCeq and LCpeak, LGeq, and LZpeak can be selected for additional processing. | ||||
| Microphone | Type | UC-59L | |||
| Sensitivity level | -27 dB | ||||
| Measurement range | A-weighting: 25 dB to 138 dB C-weighting: 33 dB to 138 dB G-weighting: 43 dB to 138 dB Z-weighting: 50 dB to 138 dB C-weighting peak sound level: 60 dB to 141 dB Z-weighting peak sound level: 65 dB to 141 dB | ||||
| Inherent noise | A-weighting | 17 dB or less | |||
| C-weighting | 25 dB or less | ||||
| G-weighting | 35 dB or less | ||||
| Z-weighting | 42 dB or less | ||||
| Frequency range | 1 Hz to 20 kHz | ||||
| Frequency weighting | A, C, G and Z | ||||
| Time weighting | F (Fast) and S (Slow), I (Impulse) and 10 s | ||||
| Level range | Single range (Linearity range: 113 dB) | ||||
| Bar graph display range max | Max. 110 dB (20 to 130 dB) | ||||
| Switching of bar graph display | Set the upper/ lower limit in 10 dB increments. | ||||
| RMS detection circuit | Digital processing method | ||||
| Sampling cycle | 20.8 μs (Lp, Leq, LE, Lmax, Lmin, Lpeak : sampling frequency: 48 kHz) 100 ms (LN ) | ||||
| Calibration | Electrical calibration performed according to IEC and JIS standards, using internally generated signals: acoustic calibration performed with the NC-74. | ||||
| Correction functions | Windscreen correction: Compliant with IEC 61672-1 and JIS C 1509-1 standards when the windscreen is installed. Diffuse sound field correction: Correction of frequency characteristics in order to comply with standards (ANSI S1.4) in diffuse sound field. | ||||
| 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) Numerical display update frequency: 1 s Bar graph update frequency: 100 ms | ||||
| Store | Manual | Data for measurement results are stored manually in single address increments. | |||
| Number of data | Internal memory: max. 1 000 sets SD Card: depends on the capacity of the SD Card＊1 | ||||
| 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 1s and user selected time (up to 24 hours) | ||||
| Leq sampling cycle | 10 s, 1, 5, 10, 15, 30 min, 1, 8, 24 h, and user selected time (up to 24 hours) | ||||
| Measurement Time | Max. 1 000 h in Auto Lp storage mode, max. 100 000 addresses in Auto Leq storage mode (depends on the capacity of the SD card)＊1 | ||||
| Data recall | Allows viewing of stored data | ||||
| Setup memory | Up to five setup configurations can be saved in internal memory, for later recall Start up via file settings previously stored on SD card possible | ||||
| Waveform recording＊2 | File format | Uncompressed waveform WAVE file | |||
| Sampling frequency | Select 48 kHz, 24 kHz or 12 kHz | ||||
| Data length | Select 24 bit or 16 bit | ||||
| Outputs | DC output | Output DC signals using a frequency weighting characteristic selected by processing. | |||
| Output voltage | 2.5 V, 25 mV / dB at bar graph display full scale | ||||
| AC output | Output AC signal using frequency weighting selected by processing or by A, C, Z, G weighting | ||||
| Output voltage | 1 V (rms values) at bar graph display full scale | ||||
| Comparator output | Turns on when the open-collector output exceeds the set value (max. applied voltage 24 V, max. current 60 mA, allowable dissipation 300 mW). | ||||
| USB | Allows USB to be connected to a computer and recognized as a removable disk Allows USB to be controlled via communication commands | ||||
| RS-232C communication | Allows for RS-232C communication via use of a dedicated cable | ||||
| Data continuous output | Type of data | Instantaneous value | Lp | ||
| Processed value | Leq, Lmax, Lmin, Lpeak | ||||
| Output interval | 100 ms | ||||
| Power requirements | Four IEC R6 (size AA) batteries (alkaline or rechargeable batteries) or external power supply | ||||
| Battery life (23 ˚C) | Alkaline battery LR6 (AA): 16 h Ni-MH secondary battery: 16 h At the maximum ＊Depends on the setting | ||||
| AC adapter | NC-98E | ||||
| External power voltage | 5 to 7 V (rated voltage: 6 V) | ||||
| Current consumption | Approximately 120 mA (normal operation, rated voltage) | ||||
| Ambient conditions | Temperature | -10 to +50 ˚C | |||
| Humidity | 10 to 90 % RH (non-condensing) | ||||
| Dustproof / water-resistant performance＊3 | IP code: IP54 (except for microphone) See precautions regarding waterproofing | ||||
| Dimensions, weight | Approx. 255 (H) x 76 (W) x 33 mm(D), approx. 400 g (with batteries) | ||||
| Supplied accessories | Storage case x 1, Windscreen WS-10 x 1, Windscreen fall prevention rubber x 1, Hand strap x 1, LR6 (AA) alkaline batteries x 4, SD card 512 MB×1 | ||||
Rion NL-62 – Datasheet
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