Contact Type Digital Tachometer

Model Number – HTM 590

HTM 590 Contact Type Digital Tachometer in India

Contact Type Digital Tachometer

Model Number – HTM 590


A contact-type tachometer is a device used to measure the speed of a rotating object, such as a motor or shaft. It typically consists of a dial, a needle, and an adjustable contact point. The needle is connected to the contact point, which is placed against the object being measured. As the object rotates, the contact point vibrates against the surface of the object, causing the needle to move. The resulting reading on the dial indicates the speed of the object.

Key Features

Trusted for quality and reliability


Full Digital, Micro Controller LSI circuit design for high reliability and versatility


Comes with a sturdy, easy to carry/handle carrying case box with foam padding for protection against impact.


Ergonomically designed for handheld based operations for risk free RPM measurement at all times.


Excellent Quality, compact size and accurate reading.

Battery Icon

Economic and effective Battery power utilization

Technical Specifications


60 RPM – 50,000 RPM
6m/min – 5000 m/min (Surface speed)


0.1 upto 1000 RPM
1 above 1000 RPM
0.01 upto 100 meter/min
0.1 above 100 meter/min

Display Type

5 DIGITS 10mm(0.38”) height RED LED


+/- 0.05 + 1 Digit

Sampling Rate

1 second

Time Base

Quartz Crystal Controlled

Low Battery

Indicated by “Lobat” when the battery
voltage drops below operating voltage

Memory Recall

‘Last’, ‘Max’, ‘Min’ Values memorized automatically, upto 120sec can be recalled

Power Source

4 X 1.5V AA Battery. Auto Shut off feature included

Battery Life

90hrs for alkaline batteries | 30hrs for Carbon-Zinc batteries

Operating Temperature

0° Celsius to 60° Celsius (32° F to 140° F )


70 x 200 x 40mm (2.8 x 7.8 x 1.6 inch)


320grams including battery

Standard Accessories

Male rubber contact tip -2nos
Female rubber contact tip -2nos
Peripheral rubber contact tipReflective tape (Marks) – 1nos
Padded Carrying Case -1nos
User manual -1nos

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HTM 590 Contact Type Digital Tachometer

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