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Photo Contact Tachometer NTCH-300

Photo Contact Tachometer NTCH-300

Photo Contact Tachometer NTCH-300

Photo/Contact Tachometer NTCH-300 is a multifunctional device used to measure relative velocity, surface speed, frequency of motor. It combines photo tech. (RPM) & contact tech. (RPM, m/min, ft/min). It is applied to the measurement of frequency, cycle, pulse times and pulse distance. The time is based on quartz crystals and the maximum detecting distance 600 mm / 24 inch.

Specifications

Laser Range 2.5 to 99, 999 rpm
Contact Range 0.5 to 19, 999 rpm
Surface Range 0.05 to 1999.9 m/min
Speed Range 0.2 to 6560 ft/min
Frequency Range 0.4 to 1666.65 Hz
Rotative Resolution 0.1 rpm (0.5 to 999.9 rpm)
Velocity Resolution 1 rpm(over 100 m/min)
Surface Resolution 0.01   m/min (0.5 to 99.9 m/min) 1 m/min (over 1000 rpm)
Speed Resolution 0.1   ft/min (0.1 to 999.9 ft/min) 1 ft/min (over 1000 ft/min)
Accuracy ± ( 0.5% n + 1d )
Sampling Time 1.0 S (over 60 rpm)
Teat Range Select Automatic
Memory Max value / Min value / Last value
Time Base Quartz Crystal
Laser Tech 50 to 250 mm / 2 to 10 inch (Typical)
Detecting Distance Max 600 mm / 24 inch
Temperature Range 0 to 50°C (32 to 122°F)
Main unit Dimension 140 × 72 × 34 mm
Sensor Dimension Φ 45 × 195 mm
Power Consumption 80 mA (Testing)
Power Supply 4 × 1.5 V AAA size ( UM-4 ) Battery
Weight 245 g (not including batteries)

Features

Applications

Photo/Contact Tachometer used in departments of motor, fan, paper-product, chemical fiber, washing-machine, automobile, airplane, steamer and also used in Frequency, Cycle, Pulse Times, Pulse Distance.

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