聲級(jí)計(jì)校準(zhǔn)器SC-941特點(diǎn)
*用于精確校準(zhǔn)聲級(jí)計(jì)
* 1000赫茲頻率。
* 94分貝聲壓級(jí)
*適合0.5英寸和1英寸的麥克風(fēng)?？傊C波失真：2%。
*根據(jù)iec942，2類標(biāo)準(zhǔn)*功率由006P直流9V電池，2個(gè)*耐用臺(tái)式機(jī)箱。
*內(nèi)置過(guò)輸入保護(hù)。
聲級(jí)計(jì)校準(zhǔn)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. | ||||
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