JUAL Lutron SC-941 Sound Calibrator 94 dB

FEATURES
* Use to calibrate the " Sound Levelmeter " precisely.
* 1000 Hz frequency .
* 94 dB Sound Pressure Level
* Suitable for 0.5 & 1 inch microphone.Total harmonic distortion : 2 %.
* According IEC942, Class 2 Standard
* Durable bench type housing case.
* Built-in over input protection.

SPECIFICATIONS
Frequency 1000 Hz ± 2 %.
Sound Pressure Level 94 dB ± 0.75 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 by Battery model 006P ( DC 9V ), 2 PCs.
Dimension Dia 50 mm ( round ) x 145 mm ( length ).

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.

Accessories Included ( yang termasuk dalam paket )
Instruction manual
Carrying case, CA-03