SC-941 SOUND CALIBRATOR
SOUND CALIBRATOR
Model : SC-941 ISO-9001, CE, IEC1010
FEATURES
Standard 94 dB 1000 Hz sound calibrator, useful to calibrate the " Sound Level meter " precisely.
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. |