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Pravin Electronics & Electricals

LUTRON SL 4022 Sound Level Meter

Display 1 8 mm (0.7") LCD (Liquid Crystal Display), 3 1/2 digits
Function B (A & C frequency weighting),
Time weighting (Fast, Slow),
Max. hold, Max. hold reset, AC output
Measurement Range 3 ranges ( 30 - 70 dB, 60 - 100 dB, 90 - 130 dB ),
Resolution 0.1 dB
Operating Humidity Less than 80% R.H.
Calibrator: B & K (Bruel & kjaer), multi-fuction acoustic calibrator, model : 4226.
Power Supply DC 9V battery x 2 PCs, 006P, MN1604 ( PP3 )
or equivalent, heavy duty or alkaline type.
Features
  • Frequency weighting and time weighting are meet Max. Hold function for stored the maximum value on display.
  • Warning indicator for over and under load.
  • Large LCD display, easy to read. LCD display for low power consumption & clear read-out even
  • A & C weighting networks are conformity to standards. in bright ambient light condition.
  • FAST & SLOW dynamic characteristic modes. Used the durable, long-lasting components, including a strong, AC output for system expansion.
  • light weight ABS-plastic housing case.
  • Build in adj. VR, available for easy calibration. Compact and heavy duty housing case.
  • Condenser microphone for high accuracy & long-term stability. Low battery indicator.
  • Build max. hold reset switch.
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