SC-942 SOUND CALIBRATOR 94 dB and 114 dB
SOUND CALIBRATOR 94 dB and 114 dB
Model : SC-942 ISO-9001, CE, IEC1010
FEATURES
Standard 94 dB and 114 dB/1000 Hz sound calibrator, useful to calibrate the " Sound Level meter " precisely.
SPECIFICATIONS | ||
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. 0.5" mic. adapter.............................................. 1 PC. Adjust Screw Driver.......................................... 1 PC. Carrying case, CA-03........................................ 1 PC. | |
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. |