LUTRON SC-942 Sound meter calibrator

LUTRON SC-942 Sound meter calibrator

Lutron SC-942 Sound Calibrator – Product Detailed Description

The Lutron SC-942 is a professional-grade sound calibrator designed to deliver precise calibration for sound level meters. It offers dual calibration levels at 94 dB and 114 dB with a pure 1000 Hz frequency tone, ensuring accurate sound measurement in both ranges. Housed in a durable die-cast aluminum alloy case, the SC-942 is built for long-term use in demanding environments. The compact, portable design and battery-powered operation make it a reliable tool for field and laboratory calibration tasks.

Key Features:

• Dual Calibration Levels: Provides both 94 dB and 114 dB sound pressure levels for versatile calibration of sound level meters.
• Accurate Frequency: 1000 Hz frequency with a precision of ± 2%, ensuring consistent calibration tones.
• Sturdy Build: Encased in a robust die-cast aluminum alloy housing for enhanced durability.
• Microphone Compatibility: Suitable for both 0.5-inch and 1-inch microphones.
• Low Distortion: Harmonic distortion is controlled within ± 2% at 94 dB and ± 5% at 114 dB.
• Battery Powered: Operates with two 9V batteries (006P or MN1604), allowing for portable use in the field.
• Battery Check Indicator: Integrated battery test indicator ensures sufficient power during use.
• Compact Design: Easy to carry and use with a small, round design.

Specifications:

• Frequency: 1000 Hz ± 2%.
• Sound Pressure Level:
  • 94 dB range: ± 0.75 dB.
  • 114 dB range: ± 0.9 dB.
• Harmonic Distortion:
  • 94 dB range: ± 2%.
  • 114 dB range: ± 5%.
• Microphone Compatibility: 0.5-inch or 1-inch microphones.
• Operating Temperature: 0°C to 50°C (32°F to 122°F).
• Power Supply: Two 9V batteries (006P, MN1604, or equivalent).
• Power Consumption: Approx. DC 7 mA.
• Dimensions: Diameter 50 mm x Length 82 mm.
• Weight: Approx. 350 g (including batteries).

Included Accessories:

• Instruction Manual – 1 PC.
• 0.5-inch Microphone Adapter – 1 PC.
• Adjust Screw Driver – 1 PC.
• Carrying Case (CA-03) – 1 PC.

Calibration Procedure:

1. Insert the microphone of the sound level meter fully into the coupler section of the SC-942.
2. Set the sound level meter to a range suitable for measuring 94 dB or 114 dB.
3. Switch the calibrator to either the 94 dB or 114 dB setting.
4. A pure 1000 Hz tone will be produced. Adjust the sound level meter calibration knob until the display reads exactly 94.0 dB or 114.0 dB.

The Lutron SC-942 Sound Calibrator is an essential tool for professionals who require precise sound level meter calibration in a variety of settings, providing accurate results and durability in a compact design.