Lutron SC-942 Sound Calibrator

Lutron SC-942 Sound Calibrator

Description

Lutron SC-942 Sound Calibrator adalah alat yang digunakan untuk mengkalibrasi ulang alat ukur suara atau sound level meter. Kalibrasi adalah kegiatan memeriksa dan menyesuaikan ketelitian suatu alat ukur dengan membandingkannya dengan tolok ukur atau standar.

Features Lutron SC-942

• Useful tool to calibrate the Sound Level meter precisely.
• Frequency : 1000 Hz ± 5 %.
• Sound Pressure Level : 94 dB and 114 dB.
• Suitable Microphone Type : 0.5 inch or 1 inch microphone.
• Power : 2 PCs 006P DC 9V batteres.
• Standard 94 dB and 114 dB/1000 Hz sound calibrator, useful to calibrate the ” Sound Level meter ” precisely.

Specifications Lutron SC-942 Sound Calibrator

• Frequency: 1000 Hz ± 2 %.
• Sound Pressure Level:
  • 94 dB range 94 dB ± 0.75 dB.
  • 114 dB range 114 dB ± 0.9 dB.
• Suitable Microphone Type: 0.5 inch or 1 inch microphone.
• Total harmonic distortion:
  • 94 dB range ± 2 %.
  • 114 dB range ± 5 %.
• Operating Temp.: 0 to 50 (32 to 122 ). ℃ ℉
• Power Supply: Heavy duty or Alkaline type, DC 9V battery. 006P, MN1604 ( PP3 ) or equivalent, 2 PCs.
• Power Consumption: Approx. DC 7 mA.
• Battery Check: Build in ” Battery test indicator “
• Dimension: Round 50 mm dia. x 82 mm.
• Weight ( including batteries ): Approx. 350 g/0.77 LB.

Accessories Included

• Instruction manual
• 0.5″ mic. adapter
• Adjust ScrewDriver
• Carrying case, CA-03

Lutron SC-942 Sound Calibrator >>>>> Spec sheet (PDF)

CALIBRATION PROCEDURES

1. Insert the microphone of ” SOUND LEVEL METER ” carefully all the way 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. Set the ” OFF/94 dB/114 dB ” to ” 94 dB ” or ” 114 dB ” position. A pure 1,000 Hz tone is produced.
4. Adjust the calibration VR (knob) of the ” Sound Level Meter “. until that the display reach to 94.0 dB or 114.0 dB exactly.