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RM48-S1 4 decade digital tachometer with setpoint (Alarm)

View Datasheet          

  • 48 x 48 mm DIN standard Housing
  • 0 - 9999 RPM (ppm)
  • 115/230VAC 0r 12-28VDC supply
  • 12VDC output for proximity sensors etc
  • 5 Amp changeover relay output
  • Over or under speed alarm
  • Non Volatile Memory of setpoint
  • NPN or PNP type inputs
  • Factory set input prescaler
  • Panel or plug in mounting


Mode of Operation:     This ratemeter is programmed using the panel touch switches to set the alarm value. This value is stored in the non-volatile memory and is retained when power is removed.

Overspeed Mode:  The relay is energised at and above the setpoint for overspeed mode

UnderThe relay is energised at and below the setpoint for overspeed mode


Inputs: Pulse, PNP/NPN select
Signal input: PNP or NPN source such as DC proximity switch
Indication: Pulses on input - Flashing LED 
Over range - Leading digit shows 8 others blank
Relay energised -  LED illuminated
Relay output: Single pole changeover  contacts - 5 amp at 240VAC or 30VDC
DC Output: 12 VDC @ 50 ma for powering sensors   
Supply:    115/240 VAC or 12 - 30 VDC (specify when ordering)
Housing: 48mm x 48 mm DIN standard panel mounting plastic
Dimensions: 48 x 48 x 135 mm                  
Panel Cutout: 45 x 45 mm
Connections:  11 pin standard plug in base.
Order code RM48-S1 or RM48-S1-DC




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