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ข้อมูลทางเทคนิคของ ANDTEK SL-5868N Sound Level Meter
ไมโครโฟน Φ12.7mm (1/2 นิ้ว) test condenser microphone
Frequency weighting A, C, and Lin(Linear)
ช่วงการวัดเสียง Measuring Range 25dB ถึง 130dB (A)
Range control Manual, three gears, linear range > 60dB
Testing Range
30dB~90dB (dynamic scale display 10~100)
50dB~110dB (dynamic scale display 30~120)
70dB~130dB (dynamic scale display 50~140)
Accuracy In accordance with IEC61672 standard, class 2
Time Weighting Fast (F), Slow (S)
Display Large screen dynamic LCD, instantaneous sound level, with analogammeter display.
Calibration Use class 1 sound level calibrator
Power Supply 4×1.5V AAA Size (UM-4) Battery
External Power 6V
Weight 185g (Not Including Batteries)
Dimensions 227x63x26 mm
Operating Condition Temperature: -10~50°C
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แบรนด์สินค้า LANDTEK รุ่น SL-5868N
Its performance is in accordance with GB/T 3785-2010 standard level 2 And IEC 61672:2013 Class 2 sound level meter requirements. It also meets the JJG 188-2017 standard.
The two time weighting F, S can be selected.
The digital detection technology is used to replacesome traditional sound level meters, the stability andreliability are greatly improved.
Large screen display is adopted, with clear and intuitive display. With dynamic scale display.
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