| DFM100 : Digital LED Tachometer |
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Panel mounting with DIN 96 mm x 48 mm Outline. A cost effective, well proven and high accuracy tachometer. Our popular panel mounting system.
The DFM100 series tachometer measures the time interval between pulses and computes the corresponding speed value. A custom designed microprocessor system enables the DFM100 tachometer to measure speeds of less than 1 rpm and greater than 100,000 rpm.
The programmable display can be set to read out in most engineering units and the decimal point can also be suitable positioned. Speed measurement is achieved by a contactless sensor in close proximity to the moving component. Pulses are generated by rotating gearwheels, bolt heads or keyways which induce signals within the sensor. The signals are processed by the display module and a highly accurate digital speed is displayed.
Pulse tachometers are most often used with proximity sensors. However, magnetic, optical or capacitive sensors may also be specified. In some cases, separate power supplies may be required. On site adjustments can be carried out with an optional plug-in keypad.
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| DFM105 : Digital Tachometer and Ratemeter |
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The DFM105 Tachometer is a more versatile version of the DFM100. It is fitted with the DFM125 software but does not have a front panel keypad. Programmed by a plug-in keypad from the rear of the tachometer, it has the full DFM125 capabilities.
Fixed or floating decimal point operation can be selected and programmable features include display, scaling, variable update rate, integer mode, display average and readout precision. Output options include dual relays or 0-10V & 4/20mA signals.
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| DFM125 : DFM125 Multi Function Tachometer |
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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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| PDM125/NB : PDM125 Programmable Panel Meter Tacho With autocalibration |
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The PDM125 was introduced as an instrument suitable for displaying speed or other parameters from 0-10 volts or 4-20mA signals.
It uses the same software as the DFM125 & is programmed in a similar manner.
The auto calibration feature permits the direct input of the required digital reading without the need for sometimes complicated calculations.
See the product manual for further information.
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