เครื่องมือวัดอุตสาหกรรม l Measuring Instruments [10217]
คุณสมบัติการใช้งานเครื่องมือวัด l Featured Products [872]
รหัสสินค้า | SKU-06883 |
หมวดหมู่ | เครื่องมือวัดด้านสิ่งแวดล้อม(Environmental Measuring Instrument) |
ราคาปกติ | |
ลดเหลือ | 0.00 บาท |
สถานะสินค้า | Pre-Order |
ลงสินค้า | 31 พ.ค. 2564 |
อัพเดทล่าสุด | 30 ก.ย. 2565 |
คงเหลือ | 1 ชิ้น |
จำนวน | ชิ้น |
Model | NL-52A | ||
---|---|---|---|
Type approval number | No. TF163 (designated acoustic calibrator: NC-72A, NC-75) | ||
Conformity standard | Measurement Law Precision Sound Level Meter JIS C 1509-1: 2017 Class 1, JIS C 1516: 2014 Class 1, IEC 61672-1: 2013/2002 class 1, ANSI / ASA S1.4-2014 / Part1 class 1 |
||
CE marking | |||
Measurement function * Simultaneous measurement with selected time weighting characteristics and frequency weighting characteristics |
Calculation (main channel) | Time-weighted sound level L p Time-weighted sound level L eq Acoustic exposure level L E Time-weighted sound level maximum L max Time-weighted sound level minimum L min Time-rate sound level L N (05, 10, 50) , 90, 95) up to 5 |
|
Operation (sub ch) | Time-weighted sound level L p | ||
Additional operations | Any one of the following can be measured as a simultaneous measurement function with calculation. C Characteristic Time Average Sound Level L Ceq C Characteristic Peak Sound Level L Cpeak Z Characteristic Peak Sound Level L Zpeak I Characteristic Time Average Sound Level L AIeq * 2 I Characteristic Maximum time average sound level L AImax * 2 Since the frequency characteristics of the additional operation are linked to the frequency characteristics of the sub ch, if the sub ch is the C characteristic (Z characteristic), the additional operations L Ceq and L Cpeak ( L Z peak) are chooseable |
||
Calculation time | 10 seconds, 1, 5, 10, 15, 30 minutes, 1, 8, 24 hours and any time can be set manually Manual calculation time: Up to 24 hours |
||
Microphone | Model | UC-59 | |
Sensitivity level | -27 dB | ||
Measurement level range | A characteristic 25 dB to 138 dB C characteristic 33 dB to 138 dB Z characteristic 38 dB to 138 dB C characteristic peak sound level 55 dB to 141 dB Z characteristic peak sound level 60 dB to 141 dB |
||
Self-noise level | A characteristic | 17 dB or less | |
C characteristic | 25 dB or less | ||
Z characteristic | 30 dB or less | ||
Measurement frequency range | 10 Hz to 20 kHz | ||
Frequency weighting characteristics | A, C and Z characteristics | ||
Time weighting characteristics | F (fast) and S (slow) | ||
Level range switch | None (Linearity range 113 dB) | ||
Bar graph display range |
Maximum 110 dB (20-130 dB) | ||
Bar graph display switching | Set the upper and lower limits of the bar graph in 10 dB increments | ||
Efficacy detection circuit | Digital calculation method | ||
Sampling cycle | L p , L eq, L E, L max, L min, L peak: 20.8 μs (sampling frequency 48 kHz) L N : 100 ms (0.1 s) |
||
Correction function | Windscreen correction function Compliant with JIS C 1509-1, JIS C 1516, IEC 61672-1, ANSI / ASA S1.4 even when the windscreen is installed. |
||
Diffuse sound field correction function Corrects the frequency characteristics of the diffuse sound field so that it conforms to the standard (ANSI / ASA S1.4). |
|||
Delay time | Set the time from when the start key is pressed until the measurement starts (OFF, 1, 3, 5, 10 seconds) | ||
Last-minute data removal function (back erase function) |
When the measurement is paused with the PAUSE / CONT key, the data that goes back the set time from that point is excluded from the calculation (OFF, 1, 3, 5 seconds). | ||
display | Backlit TFT color translucent liquid crystal display WQVGA (400 x 240 dots) * The liquid crystal display has a touch panel (capacitance type) control |
||
Numerical display update cycle | 1 s | ||
Bar graph update cycle | 100 ms | ||
Store | manual | Manually record the measurement results one address at a time | |
Number of manually recorded data |
Internal memory: Up to 1000 data sets SD card: Depends on the capacity of the SD card * 1 |
||
Auto * 2 | Automatically continuously records the instantaneous value for each set time ( L p mode) and the calculated value for each set time ( L eq mode) | ||
Auto L p store cycle |
100 ms (0.1s), 200 ms (0.2s), 1 s, L eq 1s | ||
Auto L eq operation cycle |
10 seconds, 1, 5, 10, 15, 30 minutes, 1, 8, 24 hours | ||
Auto measurement time |
Up to 1000 hours (depending on SD card capacity) * 1 | ||
Data recall | Browse store data | ||
Setting memory | Up to 5 sets of settings can be saved in the internal memory and recalled. Can be started with the settings of the file stored in the SD card in advance. |
||
Waveform recording * 3 | file format | Uncompressed waveform WAVE file | |
Sampling frequency | Select from 48 kHz, 24 kHz, 12 kHz | ||
Data length | Select from 24 bit and 16 bit | ||
output | DC output | Outputs a DC signal corresponding to the frequency weighting characteristic and time weighting characteristic selected by calculation | |
DC output voltage | Bar graph display 2.5 V, 25 mV / dB at full scale | ||
AC output | Interlocked with the frequency weighting characteristic selected by calculation, the AC signal is output with the frequency weighting characteristic selected from A, C, and Z. | ||
AC output voltage | Bar graph display 1 Vrms (effective value) at full scale | ||
Comparator output * 2 | Turns on when the set level is exceeded at the open collector output (maximum applied voltage 24 V, maximum current 60 mA, allowable loss 300 mW). | ||
USB | Can be connected to a computer and recognized as a removable disk Can be controlled by communication commands |
||
RS-232C communication | RS-232C communication is possible by using a dedicated cable | ||
Continuous data output * 2 | Data type | Instantaneous value | L p |
Calculated value | L eq, L max, L min, L peak | ||
Output interval | 100 ms (0.1s) | ||
Power supply | 4 AA batteries (alkaline or rechargeable) or external power supply | ||
Operating time (23 ° C) | Alkaline battery LR6: 26 hours Ni-MH secondary battery: 25 hours * Operating time varies depending on the setting |
||
AC adapter | NC-98E | ||
External power supply voltage | 5 to 7 V (rated voltage 6 V) | ||
Current consumption | 90 mA (normal operation, rated voltage) | ||
power consumption | Approximately 3 W (normal operation, AC adapter used, 100 V side) | ||
Operating temperature and humidity range | temperature | -10 ℃ ~ 50 ℃ | |
Humidity | 10% -90% RH (but no condensation) | ||
Dustproof and waterproof performance * 4 | IP grade: IP54 (excluding microphone part) Refer to the precautions regarding waterproofing | ||
Size / weight | Approximately 250 mm (H) x 76 mm (W) x 33 mm (D) ・ Approximately 400 g (including batteries) | ||
accessories | Storage case x 1, Windscreen WS-10 x 1, Windscreen fall-prevention rubber x 1, Strap x 1, AA batteries (alkaline) x 4, SD card 512 MB (only with NX-42EX) |