SC-941 SOUND CALIBRATOR

SPECIFICATIONS

Frequency

1000 Hz ± 2 %.

Sound Pressure Level

94 dB ± 0.8 dB.

Suitable Microphone Type

0.5 inch or 1 inch microphone.

Total harmonic distortion

± 2 %.

Standard

According IEC942, Class 2

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

Dia 50 mm ( round ) x 145 mm ( length ).

Weight ( including batteries )

Approx. 350 g/0.77 LB.

Accessories Included

Instruction manual........................................... 1 PC.

0.5" mic. adapter.............................................. 1 PC.

Adjust Screw Driver.......................................... 1 PC.

Carrying case, CA-03....................................... 1 PC.

CALIBRATION PROCEDURES

1.) If the calibrated " SOUND LEVEL METER " used the 0.5" microphone, then on the " Couple Section " should install the " 0.5" Mic. Adapter " first.

Consideration :

If the calibrated " SOUND LEVEL METER " used the 1 inch microphone, then on the " Couple Section " should take away the " 0.5" Mic. Adapter ".

2.) Insert the microphone of calibrated " SOUND LEVEL METER " carefully all the way into the coupler section of the Sound Calibrator.

3.) Set the calibrated " SOUND LEVEL METER " to a range suitable for measuring " 94 dB ".

4.) Set the " Off/BAT. TEST/On Switch " to " ON " position.

A pure 1,000 Hz tone is produced.

5.) Adjust the calibration VR (knob) of the " Sound Level Meter ". until that the display reach to 94.0 dB exactly.