3-3/8" (85MM) ViewLine Tachometer with Multi-Function Display - 0 to 3000 RPM - Black Dial & BezelThe ViewLine Tachometer is available with or without operating hours counter (digital display) and can be connected to conventional marine engines (no data bus). One LED warning light is integrated as a standardSpecifications:Various sensor inputs (W, Ind, Hall, Generator)Output for acoustic alert (option)LCD size - 37 mm x 11 mm8 and 14 pole Tyco / Hirschmann bush housing • Operating voltage 8 – 32 VAccuracy +/- 2.5 % of full scale readingNumber of pulses programmable via dip switch  or PC software (ViewLine programming tool) Anti-fog double lens Protection rating front IP67, rear IP52 85 mm installation diameter 50 mm installation depth • Operating temperature range -20 °C / +70 °CReverse polarity protection