Back to products list Get a Quote  DALE31 Digital Tachometer Description The DALE31 hand-held Digital Tachometer is a dual function instrument providing contact and non-contact measurement of rotational and linear motions. With an accuracy of +.035% of indicated reading, the DALE31 is ideal for uses in production, engineering, inspection, quality control, and maintenance. The DALE31 comes complete with a convex tip and 10 cm linear measuring wheel. A concave tip for measuring small diameter shafts is available as an option. The power supply is a NEDA type 1604, 9 V transistor battery, and the most significant display character flashes to indicate need for replacement. The compact size and light weight of the device makes for easy, one-hand operation while the rugged, high impact housing provides for years of dependable service. The DALE31 is CE-marked but does not come with a calibration certificate.   Features Contact or non-contact measurement Eight-character display with floating decimal point Four memories: last, minimum, maximum, and average readings 16 units of measure Standard Accessories Convex tip 10 cm linear measuring wheel Applications   Motors Any rotating object Centrifuges   Specifications   Measurement range Rotational speed 6 to 99,999 rpm in non-contact mode; 6 to 25,000 rpm in contact mode, or equivalent expressed in alternate units Display 8-character dot matrix LCD adjustable for different viewing angles; 3/8" character height Pickup Integral non-contact photoelectric Contact Adapter Utilizes interchangeable tips. Concave tips, convex tips, and linear measuring wheel included with instrument Battery 9 V transistor battery Low battery indicator Most significant display character flashes to indicate need for battery replacement Memory Last reading, maximum, minimum, and average Dimensions Unit: 7.5" x 3.75" x 1.75"  (18.4 cm x 9.2 cm x 4.3 cm) Case: approximately 10.5" x 7" x 2.4" Ranges   Unit Description Mode Symbol Range and Format OPTICAL (non-contact)     Revolutions per second REV/SEC .1000RS - 1666.ORS Revolutions per minute REV/MIN 6.0000RM - 99999RM Revolutions per hour REV/HR 360.00RH - 99999.RH   Unit Description Mode Symbol Range and Format CONTACT     Revolutions per second REV/SEC 1000RS - 333.OORS Revolutions per minute REV/MIN 6.0000RM - 20000.RM Revolutions per hour REV/HR 360.00RH - 99999RH   Unit Description Mode Symbol Range and Format LINEAR     Yards per second YDS/SEC .0110YS - 18.300YS Yards per minute YDS/MIN .6600YM - 1100.0YM Yards per hour YDS/HR 40.000YH - 66000.YH Feet per second FT/SEC .0330FS - 55.000FS Feet per minute FT/MIN 2.000FM - 3300.0FM Feet per hour FT/HR 120.00FH - 99999.FH Inches per second IN/SEC .4000IS - 660.00IS Inches per minute IN/MIN 24.000IM - 39500.IM Inches per hour IN/HR 1420.0IH - 99999.IH Centimeters per second CM/SEC 1.0000CS - 1665.0CS Meters per minute mtrs/MIN .6000mM - 1000.0mM Meters per hour mtrs/HR 36.000mH - 6000.mH Miles per hour MILES/HR .0250MH - 37.500MH Back to products list