Digital Tachometer/ Length Meter
Model EHT-600
The EHT-600 tachometer features exceptional resolution at low speeds and statistics. It also
features four measuring modes: Real time displays the current value, Maximum displays the
highest value, Minimum displays the lowest value and Mean displays the average value
taken during the test. It’s built with a durable metal housing and operates on two standard
AA batteries.
§  Rugged metal housing
§  Four measuring modes: Real time, maximum, minimum and mean
§  Auto measuring range of 0 to 20,000 rpm with up to 0.01 rpm Resolution up to 2,000 fpm using the optional 12” wheel
§  12 different measuring units: rpm, fpm, ipm, mpm, ypm, cpm, inch, yard, feet, meter, centimeter and total revolutions
§  Last reading recall and 99 data memory
§  Auto statistics: Max, Min and Mean
§  Easy-to-read 5 digit 0.47” (12 mm) high LCD
§  Low battery indicator
§  Includes cone and funnel adapters, two AA batteries and carrying case
§  Optional 12” wheel available for measuring surface speed and distance
Specifications
Measuring Range	0.40 – 25000 RPM ( floating decimal point) 0.40 – 2000.0 ft/min (w/12” dia. Wheel)
Accuracy	0.01% of reading +/-1 digit
Display	5 digit LCD 12mm Character Height
Measuring Unit	Speed Mode: RPM, rev/sec, ft/min, in/min, yd/min, in/sec, m/min, cm/min, cm/sec Counter Mode: revolutions, ft, in, yd, m, cm
Measuring Mode	MEAN, MAX, MIN (speed measure mode)
Memory	Short Term Auto Memory: MAX, MIN, AVE, and last 9 data Long Term On-Demand memory : 99 data
Display Update	0.5 sec (typical)
Power	2-AA Battery, Approx. 60 hrs continuous operation
Indicators	LOW BATT, Units, MAX, MIN, MEAN and memory location
Operating Temp.	0-45ºC (32-113ºF)
Construction	Die-cast aluminum housing
Standard Accessories	Cone adapter, funnel adapter, 2-AA Batteries, NIST traceable Certificate
Optional Accessories	12” dia. wheel, 3-1/2” Extension Shaft (wheel is necessary to measure linear speed).