
Amprobe TACH-20 — handheld tachometer
The Amprobe TACH-20 is a handheld tachometer from AMPROBE designed for measuring rotational speed, surface speed, and length. The device features a digital LCD for reading measurements and built-in memory for recording maximum, minimum, and average values, as well as the last displayed measurement.Features and Measurement Principles
- Contact measurement with adapters and a surface-blocking measuring wheel.
- Non-contact measurement with infrared signal (IR-beam) for reading rotational speed without physical contact.
- Built-in memory: stores maximum, minimum, average, and last measurement.
- Large LCD for direct reading.
- Auto power-off function and selection of units and measurement modes via control buttons.
Typical Applications
- Used for determining rotational speed (rpm) by both contact and non-contact methods.
- Applied in measuring surface speed and length where these parameters need to be precisely determined.
Package Contents
- 6 adapters for contact measurement.
- Surface wheel and reflective tape for surface measurements.
- Batteries, carrying case, and user manual.
Specifications
- Product Name: Amprobe TACH-20.
- Manufacturer: AMPROBE. (Manufacturer part number: 3311961)
- Measurement functions: rotational speed, surface speed, and length.
- Measurement methods: contact measurement (adapters/surface wheel) and non-contact measurement (infrared).
- Display: large LCD.
- Memory: stores maximum, minimum, average, and last measurement.
- Units: selectable between rpm and linear units (m/min, m/sec, ft/min, ft/sec, in/min, m, ft, in) according to manufacturer text.
- Included in the box: 6 adapters, carrying case, reflective tape, batteries, and user manual.
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