¾ÕÀ¸·Îµµ ¾çÁúÀÇ Á¦Ç°°ø±Þ¿¡ ÃÖ¼±ÀÇ ³ë·ÂÀ» ´ÙÇϰڽÀ´Ï´Ù.
http://woojininst.co.kr ¿ìÁø°èÃø±â(ÁÖ)
Applicable standards | IEC 651 Type2, ANSI SI.4 Type2 |
---|---|
Digital display | 4 digital LCD2 |
Measurement Range | LO (Low) -A Weighting: 35- 90dB HI (High) -A Weighting: 75-130dB LO (Low) -C Weighting: 35- 90dB HI (High) -C Weighting: 75-130dB |
Resolution | 0.1dB |
Typical Instrument Frequency Range | 31.5Hz to 8KHz |
Accuracy | ¡Ó 1.5dB (ref 94dB @1KHz) |
Dynamic Range | 55dB |
Time Weighting | Slow (1sec) & Fast (125mS) |
Maximum Hold | Decay < 1dB/3min |
Microphone | 1/2 inch Electret condenser microphone |
Calibration | Electrical calibration by using the internal oscillator (1KHz sine Wave at 94dB) |
Analog output | AC output: 0.65Vrms at FS(full scale), output Impedance = 600§Ù DC output: 10mV/dB (nominally), output Impedance = 100§Ù |
Operating Temperature & Humidity | 0¡ÆC to 50¡ÆC, 10 to 90%RH |
Storage Temperature & Humidity | -10¡ÆC to 60¡ÆC, 10 to 75%RH |
Power Supply | one 006P 9V or IEC 6F22 or NEDA 1604 Battery |
Battery Life | Approx. 50hours (Alkaline) |
Dimensions | 240(L)¡¿68(W)¡¿25(H)mm (9.45"L¡¿2.68"W¡¿0.98"H) |
Weight | 210g (including battery) |
Accessories | Instruction Manual, Battery, Carrying Case, Adjustment Screwdriver, Windscreen. 3.5¨ªplug |