Wavetronics provides microcontroller-based rpm and speed indicators to meet any custom-built industrial process application. These indicators are available in 4-digit display, with supply of 230 v ac, 12 v dc. Output is relay contact or buzzer [alarm] type. Input signal is proximity, no contact, 24 v dc, 230 v ac. Diameter ranges from 1 to 999.9 millimetre settable. Other specification includes resolution is [0= without decimal, 1 = 0.1, 2 = 0.01, 3 = 0.001] selectable. Number of element settable is from 1 to 100 [optional]. Rpm is high and low; 0 to 9999 adjustable. Alarm mute is by decrement key. Power on delay is from 0 to 255 second for control action which is adjustable. Error indication is provided for wrong set value. Password facility is given for configuration mode to avoid unauthentic entry. Size available is 96 mm x 96 mm, 72 mm x 72 mm, 96 mm x 48 mm or 48 mm x 96 mm.