適合的麥克風型式 (Suitable Microphone Type)

0.5 inch or 1 inch microphone.

總諧波失真 (Total harmonic distortion)

94 dB range : ± 2 %.

114 dB range : ± 5 %.

操作溫度 (Operating Temp. )

 0 to 50 ℃. ( 32℉ to 122℉ ).

電源供應 (Power Supply)

Heavy duty or Alkaline type, DC 9V battery. 006P MN1604 ( PP3 ) or equivalent, 2 PCs.

電源損耗 (Power Consumption)

Approx. DC 7 mA.

電池檢查 (Battery Check)

Build in " Battery test indicator "

重量 (Weight)

Approx. 350 g/0.77 LB. ( including batteries )

尺寸 (Size)

Dia 50 mm ( round ) x 82 mm ( length ).

附件 (Standard Accessory)

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

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

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

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

校正程序 (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.