Dry Block Temperature Calibrators
Dry Block Temperature Calibrators

RP 491

  • 4 Digit Seven Segment LED Display
  • Wide Range 0 - 9999 RPM / RPS / RPH
  • 3 to 30V DC Input Pulse from any type Sensor
  •  opto isolated Re Transmission analog output 4-20mA or 0-10 V DC
  • Allows Maximum 3.5 kHz Input Pulse Speed
  • RPM / Rate / Frequency Front Key Scalable.
  • 2 Relay Output with Front Key Set table Hi & Lo Set points
  • Power ON Delay & Hysterisis for Relay Output is Provided
  • 12 V DC Sensor Supply
  • Universal Supply Voltage 90 to 270V AC / DC
  • Model : RP 491
  • Input  : 3 - 30V DC from Proximity Sensor, Photoelectric Non Contact Sensor, Encoder,Potential Free Contacts, Limit Switch etc.,
  • Input Speed: 3.5 kHz (Max.)
  • Range : 0 - 9999 RPM / RPS / RPH
  • Resolution : 0.001, 0.01, 0.1,1 RPM / RPS / RPH (selectable)
  • Relay Output : 2 NO ,2 NC 5A Rated Relays(power ON Delay & Hysterisis provided)
  • Re transmission output : 4-20mA/0-10 V DC
  • communication output : RS 485
  • Sensor Supply : 12V DC (±10%) 50mA
  • Accuracy : ± 0.05 % (± 1 count)
  • Display : 4 Digit 0.5”seven Segment Red Led
  • Working temperature : 0 - 50 ºC
  • Power Supply : 90 to 270V AC / DC 50Hz
  • Dimension : 96 x96 x 65 mm
  • Weight : 200 grams (Approx.)