NL-62 Sound Level Meter Class1 ( With low-frequency sound measurement function)

Sound Level Meter Class1 ( With low-frequency sound measurement function) NL-62 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 Measure Frequencies from 1 to 20 000 Hz. Measure Low-Frequency Sound and Noise with a Single Unit. ? Large color LCD screen ? No paper manual is needed ? Water-resistant ( Except for the microphone) ? Use of rechargeable batteries ? Continuous detailed measurements for one month ? Functionality can be extended by a range of options ? 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 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 I-time-weighted average sound level: LAIeq Max. value of I-time-weighted average sound level: LAImax * Because additional processing frequency characteristics are linked to sub channel frequency characteristics, LAtm5, LAIeq, LAImax 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. ? Measuring time 10 s, 1, 5, 10, 15, 30 m, 1, 8, 24 h, and manual ( maximum 24 h) Max. 1000 hours with auto store ? 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 s ( Lp, Leq, LE, Lmax, Lmin, Lpeak : sampling frequency: 48 kHz) 100 ms ( LN) ? Calibration Measurement Law: 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, 1s, Leq 1s ? Leq sampling cycle 10 s, 1, 5, 10, 15, 30 ms, 1, 8, 24 h ? Measurement Time Max.1 000 h ( 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, 1 s ? Print out Printing of measurement results on dedicated printer DPU-414 ? Power requirements Four IEC R6 ( size AA) batteries ( alkaline or rechargeable batteries) or external power supply Battery life ( 23 ) Alkaline battery LR6 ( AA) : 16 h Ni-MH secondary battery: 16 h At the maximum * Depends on the setting AC adapter NC-98C 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 Humidity 10 to 90 % RH ( non-condensing) ? Dustproof / water-resistant IP code: IP54 ( except for microphone) performance* 3 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 x 1 ? Options Please refer to the PDF catalogue * 1 Use Rion fully guaranteed products. * 2 NX-42WR required ( sold separately) . * 3 Protection against harmful dust and water splashing from any direction. Precautions regarding waterproofing Before use, verify that the rubber bottom cover and the battery compartment lid are firmly closed. To maintain the water and dust proof rating, internal packing replacement is required every two years ( at cost) . Distributor agent menjual service repair jasa perbaikan alat, sensor dan sistem data management untuk pengukuran lingkungan, environmental noise measurement, sound level meter, vibration and noise measurement system, sound calibrator / standard sound source, accoustic measurement sound level measuring amplifier, sound analyzer. Jakarta - Indonesia TELP. 8611444 ( hunting) Call : Fikri : 0811 893 101, 0815 614 1954, 0813 992 919 09.