Extech 461891 High Precision Contact Tachometer

Product Overview

The Extech 461891 is a high-precision contact tachometer designed for accurate RPM, surface speed, and length measurements. It uses interchangeable contact adapters to measure rotating shafts, wheels, rollers, and conveyor belts. The unit is ideal for industrial maintenance, machinery testing, and manufacturing environments where precise, direct-contact speed measurement is required.

Key Features

• High-precision contact RPM measurement
• Measures surface speed and length
• Interchangeable contact adapters
• Large backlit LCD display
• Fast sampling and stable readings
• Data Hold and MAX/MIN modes
• Rugged handheld design
• Auto power-off

Technical Specifications

Brand: Extech
Model: 461891
Type: High Precision Contact Tachometer

Measurement Functions

• Contact RPM
• Surface speed
• Linear distance

Adapter Types

• Cone adapter
• Funnel adapter
• Wheel adapter

Display

• Large backlit digital LCD

Features

• MAX/MIN
• Data Hold
• Auto power-off

Applications

• Conveyor and roller testing
• Motor shaft RPM checks
• Manufacturing equipment diagnostics
• Precise mechanical speed measurements

Why Buy from FieldInstruments.lk?

• Genuine Extech instruments
• Fast Sri Lankan delivery
• Competitive pricing
• Local technical support