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RPM Controller / Transmitter

Model : RP 491

Display : 4 Digit 0.5” 7 segment Red LED

Range : 10 - 9999 RPM / RPS / RPH

Inputs: 3 - 30V DC from Proximity Sensor, Photoelectric Non Contact Sensor, Encoder, Potential Free Contacts, Limit Switch etc.,.

Product Details

The RPM Controller / Transmitter is a reliable and versatile device used for measuring revolutions per minute (RPM) in various applications. With its advanced features and precision, the RP 491 offers accurate monitoring of motor and shaft speeds. Equipped with user-friendly controls and a clear display interface, it provides operators with real-time feedback essential for maintaining optimal performance and preventing potential damage to machinery. Whether in automotive, industrial, or other settings, the RPM Controller and Transmitter is a trusted tool for ensuring efficiency and safety in rotational speed monitoring.

Model RP 491
Display 4 Digit 0.5” 7 segment Red LED
Input 3 - 30V DC from Proximity Sensor, Photo electric Non Contact Sensor, Encoder, Potential Free Contacts, Limit Switch etc.,
Range 10 - 9999 RPM / RPS / RPH
Resolution Resolution 0.001, 0.01, 0.1, 1 RPM / RPS / RPH (selectable)
Accuracy ± 0.05 % (± 1 count)
Sensor supply 12V DC (±10%) 50mA
Input speed 3.5 kHz (Max.)
Power supply 90 to 270V AC / DC 50Hz
Exponential 10n = -3, -2, -1, 0, 1, 2
Relay output 2 NO , 2 NC 5A rated Relays(power ON Delay & Hysteresis provided)
Working temperature 0 - 50 °C
Dimension 96(H) X 96(W) X 65(D) mm
Cut out Dimension 90(H) X 90(W) mm
Weight (Approx.) 350 grams (Approx.)

Note: Due to continuous product improvements, Published specifications may change with out notice

  • 4 Digit seven segment LED display
  • Wide range 10 RPM – 9999 RPM
  • 3 to 30V DC Input Pulse from any type Sensor
  • Allows Maximum 3.5 kHz Input Pulse Speed
  • 12 V DC Sensor Supply
  • Universal Supply Voltage 90 to 270V AC / DC
  • Length Measurement & Control
  • Line Frequency Monitor & Alarm
  • All types of Speed / Rate / Frequency Monitoring & Control applications.