Lutron SL-4022 Sound Level Meter

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.

Description

Features

Large LCD display, easy to read.
Frequency weighting networks ( A & C weighting ) & Time weighting ( Fast/Slow ) are designed to meet the IEC 61672 Class 1.
AC output for system expansion.
Build in CALIBRATION VR on front panel.
Changeable condenser microphone for high accuracy & long-term stability.
Max. Hold function for stored the maximum value on display.
Build max. hold reset switch.
Warning indicator for over and under load.
LCD display for low power consumption & clear read-out even in bright ambient light condition.
Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case.
Low battery indicator.

Display 18 mm (0.7″) LCD (Liquid Crystal Display), 3 1/2 digits.
Function dB (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.
Accuracy (23 ± 5°C) – Frequency weighting meet IEC 61672 Class 1, calibrating input signal on 94 dB the accuracy of frequency weighting is specified as following:
- 31.5 Hz : ± 2.0 dB, 63 Hz : ± 1.5 dB, 125 Hz : ± 1.5 dB,
- 250 Hz : ± 1.4 dB, 500 Hz : ± 1.4 dB, 1 KHz : ± 1.1 dB,
- 2 KHz : ± 1.6 dB, 4 KHz : ± 1.6 dB, 8 KHz : + 2.1 dB to -3.1 dB

Lutron SL-4022 Sound Level Meter >>>> Spec sheet (PDF)

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