Perusahaan ini terdaftar sebagai Free Member. Hindari melakukan pembayaran sebelum bertemu penjual atau melihat barang secara langsung. COD (Cash On Delivery) atau bertemu langsung dengan penjual merupakan metode transaksi aman yang kami sarankan.
Sound Level Meter NL-27 Rion |
|
Specifications |
|
Standard compliance |
General-Purpose Sound Level Meter according to Japan |
Measurement Law JIS C 1509-1: 2005 Class 2, IEC 61672-1: 2002 Class 2 |
|
CE mark ( EMC Directive 2004/108/EC ), WEEE Directive |
|
Measurement functions Processing functions ( normal mode ) |
Sound level Lp, equivalent continuous sound level Leq, sound exposure level LE, |
Measurement time settings |
1 min, 5 min, 10 min, 1 h |
Microphone |
1/2 inch electret condenser microphone Model : UC-52, sensitivity level : |
Measurement level range |
A-weighting: 30 dB to 130 dB, |
|
C-weighting: 36 dB to 130 dB |
Linear operation range |
30 dB to 137 dB |
Peak sound level measurement range |
65 dB to 140 dB |
Residual noise level |
A-weighting: max. 24 dB, C-weighting: max. 30 dB |
Measurement frequency range |
20 Hz to 8 kHz |
Reference frequency, reference sound pressure level |
Reference frequency : 1 kHz, reference sound level : 94.0 dB |
Frequency weighting characteristics |
A-weighting, C-weighting |
Time weighting characteristics |
F ( Fast ), S ( Slow ) |
Level range |
Wide range : 30 dB to 130 dB, peak range* : 65 dB to 130 dB * |
RMS detection method |
Digital processing |
Processing |
Digital sampling cycle : 30.3 μs ( Lp, Leq, LE, Lmax, Lpeak ) |
Calibration |
Calibration frequency: 1 kHz, |
Calibration sound level: 94 dB |
|
Japan Measurement Law: electrical calibration with internal |
|
signal source; JIS, IEC: acoustic calibration using NC-74 |
|
Windscreen |
Unit is compliant with JIS C 1509-1 Class 2 and IEC 61672-1 |
Class 2 with and without windscreen |
|
Display |
Numeric display : 0.1 dB resolution |
Bar graph : Scale range 100 dB, 5 dB resolution ( update frequency 0.1 s ) |
|
Warning indicators : Over ( Overload ) appears at 137.4 dB ( 1 kHz ) Under ( Underload ) appears from -0.6 dB of lower scale limit Battery capacity 3-stage indicator for remaining capacity |
|
Store function ( processing results saved in internal memory, using manual store ) |
Number of data : 199 Stored data can be checked on recall screen |
DC output connector |
DC output: 3 V ( full scale ), 25 mV/dB, output impedance : 50 Ω Load impedance : 10 kΩ or more |
AC monitor output connector |
AC output: 1 Vrms +600 -400 mVrms ( at 110 dB ), overload: +2 dB |
Output impedance : 600 Ω, load impedance : 10 kΩ or more, frequency weighting : Z-weighting |
|
USB connector |
For transfer of stored data to a computer, using optional USB adapter cable |
Power requirements ( size AAA [ IEC R03 ] battery x 2 Normal temp ) |
Current consumption: approx. 80 mA ( 3 V operation ) |
Battery life : approx. 9 hours ( with alkaline batteries ), ( Wide range ) approx. 3 hours ( with manganese batteries ) |
|
Temp./humidity range for operation |
-10 °Cto +50 °C, 10 % to 90 % RH ( no condensation ) |
Dimensions, weight |
Approx. 120 ( H ) × 63 ( W ) × 23.5 mm ( D ), approx. 105 g ( including batteries ) |
Supplied accessories |
Windscreen × 1, Windscreen fall prevention rubber× 1, Silicon cover × 1, strap × |