805 Mini Sound Level Meter has a wide dynamic range from 30 to 130dB. It has different frequency weighting A and C to respond to human sense or machine monitoring purposes. For different sound pattern, it also supplies fast and slow time constant setting. Features: l Provide 1.4dB accuracy l Ranges from 30dB to 130dB at frequencies between 31.5Hz and 8 KHz. l Display with 0.1dB steps on a 4-digits LCD. l Max Hold and Data Hold Function l With two equivalent weighted sound pressure levels, A and C. Specification: Standard applied : IEC651 type 2, ANSI S1.4 type 2 Frequency range : 31.5Hz~8KHz Measuring level range : 30~130dB Frequency weighting : A/C Microphone : 1/2 inch electret condenser microphone Calibration : Electrical calibration with the internal oscillator (1kHz sine wave) Display : LCD Digital display : 4 digits Resolution: 0.1dB Display Up data: 0.5 sec. Time weighting : FAST(125mS), SLOW(1 sec.) Level ranges : Lo: 30-100dB Hi : 60-130dB Accuracy : + 1.5dB (under reference conditions) Alarm function : "OVER" is show when input is out of range Maximum hold : Hold readings the Maximum Value, with decay < 1dB/3minutes. Auto power off : Meter automatically shuts down after approx. 15 minutes of inactivity. Power supply : One 9V battery, 006P or IEC 6F22 or NEDA 1604. Power life : About 50hrs(alkaline Battery) Operation temperature : 0 to 40℃(32 to 104oF) Operation humidity : 10 to 90%RH Storage temperature : -10 to 60℃( 14 to 140 oF) Storage humidity : 10 to 75%RH Dimensions : 210(L)X55(W)X32(H)mm Weight : 230g(including battery) Accessories : 9V battery, Gift box with carrying case, Instruction manual..
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