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เครื่องคาริเบรทเสียง [Sound Level Calibrator] SC-941
รายละเอียด:
เครื่องคาริเบรทเสียง [Sound Level Calibrator] SC-941
FEATURES
* Use to calibrate the " Sound Level
meter " precisely.
* 1000 Hz frequency .
* 94 dB Sound Pressure Level
* Suitable for 0.5 & 1 inch microphone.
Total harmonic distortion : 2 %.
* According IEC942, Class 2 Standard
* Power by 006P DC 9V battery, 2 PCs.
* Durable bench type housing case.
* Built-in over input protection.
SPECIFICATIONS
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.
คำค้นหา:
sc_941 เครื่องคาริเบรทเสียง calibrator sound level