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SC-942 噪音計校正器

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SC-942 噪音計校正器

SC-942 噪音計校正器

特色

輸出音壓SC-942 : 94dB ±0.8dB 114dB ±1.0dB
輸出頻率 : 1000Hz ±5%
可校正1英吋及0.5英吋麥克風頭
內建電力不足指示功能
Size : 直徑50 x 長145mm

FEATURES

Use to calibrate the " Sound Level meter " precisely.

1000 Hz frequency .

Sound Pressure Level : 94 dB and 114 dB.

Suitable for 0.5 & 1 inch microphone.

Power by 006P DC 9V battery, 2 PCs.

SC-941規格

頻率 (Frequency)

1000 Hz ± 2 %.

音壓水平 (Sound Pressure Level)

94 dB range : 94 dB ± 0.75 dB.
114 dB range : 114 dB ± 0.9 dB.

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.