Extech 461891 - Manual
A user manual for the Extech Model 461891 contact tachometer covers essential operational aspects of this handheld speed-measuring device. The guide highlights key specifications such as its measuring range (0.5 to 19,999 rpm) and supported functions like RPM, linear speed (ft/min or m/min), and memory recall for stored readings. It also includes front-panel controls and instructions for performing measurements, ensuring users can accurately assess rotational speeds on various surfaces. While the manual touches on maintenance–such as battery replacement and cleaning–the focus remains on practical usage rather than detailed repair procedures.
Table of Contents:
- Page 1 – Product Identification and Specifications
- Page 2 – Digital Tachometer Specifications
- Page 3 – Measurement Procedures and Diagram
- Page 4 – Maintenance, Warranty, and Service Information
User’s Guide
Contact Tachometer
Model 461891
•
Measures from 0.5 to 19999 rpm
•
Min/Max Memory Recall
•
Cone, funnel, surface attachments included
•
Quartz crystal time base
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About this manual
- Brand
- Extech
- Model
- 461891
- Document type
- Manual
- Language(s)
- English
- Pages
- 4
- File size
- 65.4 KB
- Format
Summary
Identification details for the Contact Tachometer, including measuring range, memory recall capabilities, included attachments, and time base.
General features of the Digital Tachometer, display type, power supply, and measurement ranges and accuracy for rpm, ft/min, and m/min.
Instructions and diagrams detailing how to perform RPM measurements, surface speed measurements, and memory recall functions on the front panel.
