声级计校准器SC-941特点
*用于精确校准声级计
* 1000赫兹频率。
* 94分贝声压级
*适合0.5英寸和1英寸的麦克风。总谐波失真:2%。
*根据iec942,2类标准*功率由006P直流9V电池,2个*耐用台式机箱。
*内置过输入保护。
声级计校准器SC-941规格参数
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. |