DIGITAL HAND TACHOMETERS Designed for advanced performance, these handheld dig- ital tachometers represent a new standard in design and performance. The HT-3100 contact-type tachometer fea- tures an easy-to-hold curved design and a convenient com- partment for storage of a tangential speed measurement ring. The HT-4100 non-contact type is small and thin enough to fit easily in your pocket.

BIG PERFORMANCE IN A LITTLE PACKAGE Easy operation and functions that are clearly quantum leaps in handheld tachometer CONTACT TYPE Low range that enables measure- ments from 1.5 r/min, and an inte- gral storage compartment for both a circumferential speed • Wide measurement range: 1.5 to 10,000 r/m Two modes are provided: a low mode covering 2,000.0 r/min, and a high mode covering 15 to 10,000 * Measures tangential speed as well as rpm. Simply replace the rpm measurement contact tip disc-shaped circumferential speed ring to measu gential speeds in m/min. or mm/s. • Convenient storage compartment...

NON-CONTACT TYPE Number of displayed digits 5 Measurement display time Automatically repeated every 1 s (2 s in Measurement accuracy Measured value is held on the display for 1 minute alter completion of a measurement Detectable distance Power, battery life Three type AAA (ANSI). R03 (IEC. DIN. and BS). or 24 (NEDA) naileries; continuous Operating temporaiuro range Reflective Marks (1 sheet) Separately sold accessory Quick, safe measurements using visible red light. Small and light enough to fit in your • Slip-in-your pocket size and weight The HT-4100 is highly portable, and comes with soft...

uter Dimension