IntellSafe - SOUND LEVEL METER Digital Multi-function Sound Level Meter - SL811, Hp: 081380328072, Email : k00011100@ yahoo.com

With Bar-graph Indicating & Max Value Holding Specifications: Power supply : 9 V AC/ DC Via power unit : max. 9 V DC, 100 mA Via battery : 9 V battery Battery life : approx. 20 hrs. Measuring ranges : 30 - 80 dB 40 - 90 dB 50 - 100 dB 60 - 110 dB 70 - 120 dB 80 - 130 dB 30 - 130 dB Accuracy : ± 1.5 dB @ 94 dB, 1 kHz Frequency range : 31.5 Hz - 8.5 kHz Level weighting : A or C Microphone : electret condensor microphone AC output : 0.707 V RMS Output impedance : 600 ohm DC output : 10 mV Output impedance : 100 ohm Supported operating systems : Microsoft® Windows® 98/ ME/ 2000/ XP Optional Compter interface and software Dimension ( LxWxH) : 145 x 110 x 60 mm Weight : 0.6 kg Contact Us : Mitra Guna Instrument Lindeteves Trade Centre, Lt GF1 Blok A2 No.37 Jl. Hayam Wuruk 127 Glodok Jakarta Telp : 021-37699537 Hp : 081380328072 Fax : 021-62320340