Control Ability - Manufacturers of tachometers, control panel meters, monitors, timing systems, sensors and vending control systems.
Control Ability - Manufacturers of tachometers, control panel meters, monitors, timing systems, sensors and vending control systems.

Data Sheet

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Part No.: DFM125
Product: DFM125 Multi Function Tachometer
Product Range: Industrial Tachometers
DFM125 - DFM125 Multi Function Tachometer

Specifications
SUPPLY: 115 or 230 Volt AC, 24 Volt AC option.
DIMENSIONS: 96 x 48 x 135 mm
PANEL CUT OUT: 91 x 43 mm
WEIGHT: 0.5 kg
DISPLAY: 14 mm High brightness LED
RANGE: 0.01 rpm- 150,000 rpm
INPUTS: Magnetic, Proximity, Optical Sensors or Encoders
OUTPUTS: Optional 0-10 V dc or 4-20mA dc or 2 Alarm relays rated 100 mA at 24 Volt dc
ACCURACY: Normally better than 0.005% = Programme dependent, ±1 digit
UPDATE TIME: Variable 150 m/sec - 2 seconds.
TEMP RANGE: 0 - 50 °C

Features

  • Large 14 mm bright LED display with fixed or floating decimal point.
  • Readout in RPM or Engineering Units to suit most applications.
  • Front panel LED for sensor operation, alarm levels and x 10 display reading.
  • Simple programming from front panel via three switches or optional rear plug-in keypad.
  • Variable update time for fast or slow response requirements.
  • Display averaging function for fluctuating measurement situations
  • Variable program access control for security purposes.
  • Adjustable readout precision with rounding-up capability.
  • Integral Sensor supply.
  • Retransmitted pulse output for interface to other instrumentation.
  • Auto Calibration.
  • Output options of 0-10 V or 4-20 ma or dual alarm relays
An extremely versatile unit with front panel programming and internal DIL switches. Many special features may be added or selected.

The DFM125 Multi Function Tachometer is a computing type tachometer with an integral front panel keypad. The large, bright LED display is fully programmable and capable of reading out in most engineering units.


The instrument measures the time between pulses and computes the corresponding speed or rate value. Speeds from 0.1 rpm to 100,000 rpm can be measured by this method. Speed measurement is by contactless sensors working in conjunction with rotating gear wheels, bolt heads or keyways, etc.

The DFM125 Tachometer can be set to operate in a variety of dynamic situations. The tachometer has a variable display update rate, a pulse averaging facility and adjustable readout precision. It can operate in fixed or floating decimal point or full integer mode. Options of sample and hold analogue output or dual relay operation are available over the complete speed range.

The DFM125 tachometer is equipped with a three button front panel keypad. Programming of display readout, set points, analogue scaling and other required options can be readily carried out. A rear mounting plug is also provided for programming by a separate keypad.
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