มิเตอร์วัดความเร็วรอบ เครื่องวัดความเร็วรอบ เลเซอร์วัดความเร็วรอบ มิเตอร์วัดรอบ Laser Photo Digital Tachometer NK-300 Non-Contact Gun Measure Range 2.5-99999 RPM Data Hold Meter

Features:
Designed for perfect fit.
Ideal for applications where a contact tachometer would be unsafe to use or will not reach.
Just apply some of the supplied reflective material to the moving part and point the tachometer at it.
The tachometer measures how often the reflective tape passes in a given time and calculates the rpm.
Mine Handheld Gun Type Design.
Wide Range of Measurement and High Resolution.
Automatic and Manual Measurement Functions.
Data Record and Recall (60 Readings Max).
Max/Min/Avg Value Record Function.
Record Time Interval Setup Function.
LCD with White Backlight.
Data Hold Function.
Auto and Manual Power Off.
Low Battery Indication.
CE and RoHS Compliant.

Specifications:
Measuring Range: 2.5 to 99999 RPM.
Resolution: 0.1RPM at 2.5-999.9RPM; 1RPM at 1000 to 99999RPM.
Accuracy: ±0.02% + 1Digit.
Measuring Distance: 50 to 500mm.
Sample Time: 0.5s (above 120RPM).
Operational Temperature: 0 to 50 Degree Celsius.
Operation Humidity: 10 to 90%RH.
Storage Temperature: -10 to 60 Degree Celsius.
Storage Humidity: 10 to 75%RH.
Dimensions: 145 x 90 x 35mm.
Power By: 9V/6F22 Battery (ไม่ได้แถม).
Net Weight: 150g

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