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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.
| 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) |
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.
| Application 2-circle | 1,2,3,4- cylinder |
| Application 4-circle | 1,2,3,4,5,6,8-cylinder |
| Range Engine | 100 to 20,000 r/min |
| Range Laser | 2.5 to 99,999 r/min |
| Application 2-circle | 1,2,3,4- cylinder |
| Application 4-circle | 1,2,3,4,5,6,8-cylinder |
| Range Engine | 100 to 99,999 r/min |
| Range Laser | NIL |
