Extech 461950 Panel Mount Tachometer

Continuous & Accurate Readings from 5 to 99,990 RPM

• Measure rpm from 5 to 99,990rpm with microprocessor quartz crystal accuracy of 0.05% + 1 digit
• Resolution: 0.1rpm (5 to 1000rpm), 1rpm (1000 to 999rpm), 10rpm (10,000rpm to 99,990rpm)
• Large 4 digit LED display updates 1/sec (rpm>60)
• Unique design permits RPM measurement of a one hole gear or disk eliminating the need for special gears
• A pulse is measured when a ferrous object (stud) passes by sensor
• Power: 115/230 VAC 50/60Hz
• Dimensions:
  • Bezel: 3.78x1.89x2.36" (96x48x60mm)
  • Meter: 3.61x3.54x1.66" (92x90x42mm)
• Weight: 13.0oz (397g)
• Panel Cutout: 3.62x1.77" (92x45mm) 1/8 DIN
• Choice of two sensor pickup types:
  • Proximity sensor
    • Target Distance: 0.1" (3mm)
    • RPM Range: to 36,000 RPM (600Hz)
  • Photoelectric Sensor
    • Target Distance: 0.4" (10mm)
    • RPM Range: to 6,000 RPM (1kHz)
  • Both encapsulated sensors include 6' (1.8m) cable