Dot Earth Technologies is a top-notch Company headquartered in Abu Dhabi, UAE that provides a wide range of products, including IT Hardware, Testing and Measuring Instruments, and Oil and Gas Equipment.
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الاسم: Tekneka T4490 Digital Contact/Non-Contact Tachometer
Dual Measurement Modes: Measures RPM using both contact and non-contact methods.
Wide Measuring Range: Measures from 0.5 to 99,999 RPM.
Quick Response Time: Provides accurate readings with fast response.
Reflective Markings: Allows for low RPM measurement with reflective markings.
Memory Function: Saves the most recent, minimum, and maximum values.
Microprocessor LS-I Circuit: Ensures maximum precision and quick reaction.
Unit Conversion: Switch between m/min and ft/min with a simple switch button.
User-Friendly Design: Easy to hold in one hand and simple to operate.
Automated Power-Off: Increases battery life with an automated power-off mode.
Durable Construction: Made with sturdy ABS plastic casing for long-lasting use.
Battery Powered: Operates on 4 x 1.5V AA batteries.
Measuring Range: 0.5 to 99,999 RPM.
Contact Measurement Range: 0.5 to 19,999 RPM.
Non-Contact Measurement Range: 2.5 to 99,999 RPM.
Resolution: 0.1 RPM (0.5 to 999.9 RPM), 1 RPM (below 1000 RPM).
Units: Can switch between RPM, m/min, and ft/min.
Sampling Rate: 0.8 seconds at speeds over 60 RPM.
Memory Recall: Last, minimum, and maximum values.
Sensing Distance: 50 to 500 mm.
Time Base: Quartz crystal.
Display: LCD screen.
Battery: 4 x 1.5V AA batteries.
Operating Temperature: 0 to 50°C (32 to 122°F).
Storage Temperature: -40 to 60°C (-40 to 140°F).
Dimensions: 190 x 72 x 37 mm (device), 255 x 130 x 80 mm (package).
Weight: 220 g (device), 570 g (package).
