聲級計校準器SC-941特點
*用于精確校準聲級計
* 1000赫茲頻率。
* 94分貝聲壓級
*適合0.5英寸和1英寸的麥克風。總諧波失真:2%。
*根據(jù)iec942,2類標準*功率由006P直流9V電池,2個*耐用臺式機箱。
*內(nèi)置過輸入保護。
聲級計校準器SC-941規(guī)格參數(shù)
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 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. |