TACHOMETER Basic Features Designed for ease of holding to enable stable measurement Max/Min value hold Auto power off (2min.) (cancelable) Fixed installation possible using a commercially available camera tripod Contact measurement (optional ENC-3) Specifications Sanwa SE300 : This instrument is Non Contact Tachometer, designed for measuring the rotation speeds of rotating objects such as motor and fans Non Contact measurement : 30 to 99.999 rpm rps : 0,5 to 1.600 rps ms : 0,6 to 1.999 ms Display max : 99999 Battery : LR06 2 x ( included ) Size : H210 x W60 x D 50 mm Standard accessories included : Reflective stickers Carrying Case Instruction manual Calibration Assurance Optional Accessories Reflective sticker (50stickersX2sheets) : SE-T3 Contact measurement attachment : ENC-3 (contact adapter, contact marker and rim speed ring) contact marker : SE-A30 Rim speed ring : SE-A31