Advent A2102 & A2103 Tachometer for use in difficult access environments or where small instrument size is important.<BR/>All models utilise a mini-lamp light source. <B>Model A2102:</B> General Purpose, intermediate model Display reads vertical and inverted (switchable)<BR/>Autoranging measurement range<BR/>Measure rpm and Linear distance<BR/>Metric Unit measurements ONLY<BR/>Optical AND Contact Speed measurement <B>Model A2103:</B> Professional model Display reads vertical and inverted (switchable)<BR/>Autoranging OR range selectable<BR/>Measure rpm and Linear distance<BR/>Metric OR imperial measurement system (selectable)<BR/>Optical and Contact speed measurement<BR/>Memory, MAX-MIN speed measurement & True moving average of last 8 readings

Optical to Contact Adaptor LSAB-2 A contact add on for optical tachometers or remote optical sensors. Operation range of 3 to 50000 rpm, 0.3 to 1500 metres per minute, 0.3 to 4500 feet per minute

Remote Optical Sensor, VLS5/J A sensor which may be permanently mounted inside machinery or will allow access to confined areas. Dimensions are ø 34mm x 130mm long. 25mm to 1000mm Optical Range <BR/>±45° Optical Angle <BR/>Incandescent lamp light source <BR/>1m cable<BR/>Can be used as a "remote contact adaptor" by using an Optical to Contact adaptor (LSAB-2, Stock No. <a href="/web/p/products/622587">622-587</a>)