Product Description

Lutron SC-942 Sound Calibrator

Sound Calibrator is an instrument that generates high-fidelity sound frequencies by simulating an audio signal to test whether the readings match. Most of them have sound test values of 94 dB and 114 dB.

Features Lutron SC-942 Sound Calibrator :

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.

Specification 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 1 PC. Adjust Screw Driver 1 PC. Carrying case, CA-03 1 PC. Batere Kotak 9 Volt , 2 PC

CALIBRATION PROCEDURES
Insert the microphone of ” SOUND LEVEL METER ” carefully all the way into the coupler section of the SC-942.
Set the ” Sound Level Meter ” to a range suitable for measuring ” 94 dB ” or ” 114 dB “.
Set the ” OFF/94 dB/114 dB ” to ” 94 dB ” or ” 114 dB ” position. A pure 1,000 Hz tone is produced.
Adjust the calibration VR (knob) of the ” Sound Level Meter “. until that the display reach to 94.0 dB or 114.0 dB exactly.