Extech Instruments Q249941 Photo/Contact Tachometer 0.1rpm 461895
Extech Instruments
Details
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CategoryMiscellaneous
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Dimension8.0in x 3.0in x 2.0in
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Serialn/a
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Shipping TypeFedEx Ground
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ManufacturingDoes Not Apply
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Voltage / HertzDoes Not Apply / Does Not Apply
Description
The Extech Instruments Q249941 is a versatile tachometer designed for measuring rotational speed in both contact and non-contact modes. This used Extech model 461895 features a unique display where characters reverse direction based on the measurement mode, providing clear readouts. Powered by a microprocessor with a quartz crystal oscillator, it ensures high accuracy with a resolution of 0.1 rpm. The tachometer is capable of storing the last, maximum, and minimum readings, offering a comprehensive analysis of rotational speeds and linear surface speeds. Although this unit has been tested for basic functionality and powers on successfully, it hasn't been fully tested for all specifications. It displays cosmetic wear due to previous use but shows no known functional issues.
Key Features
- Unique reversible display for measurement clarity
- Microprocessor with quartz crystal for high accuracy
- Stores last, max, and min readings
- Measuring modes: Photo and Contact RPM, Linear Surface Speed
- 0.05% accuracy with 0.1 rpm resolution
Specifications
- Power Source: 1x 9V battery (not included)
- Display Type: Digital LCD
- Measurement Mode: Photo and Contact
- RPM Range: Wide range for versatile applications
- Processor: Microprocessor based with quartz crystal
- Data Storage: Last, Max, and Min readings
Weight
Imperial: 1.2 Pounds
Metric: 0.54 Kilograms
Shipping Dimensions
Imperial: 9.6 lb x 3.6 lb x 2.4 lb
Metric: 24.38 cm x 9.14 cm x 6.1 cm
Harmonized Code
902910
Harmonized Code Details
902910 - Tachometers; stroboscopes and similar. This code applies because the product is a tachometer, which falls under this classification for measuring instruments used to determine speed.
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