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MF60 Digital Frequency Meter
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Simple setup by panel front or computer
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Fast control response
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True peak readings
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Measures rate and total simultaneously
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2 channel pulse or AC input
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V to F converter for rate and total
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Quadrature X, Y, Z inputs for encoders
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Scalable in Engineering Units
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85-264 VAC and 90-370 VDC input power
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5, 10, or 24 VDC sensors excitation
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Optional Features
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RS232, RS485, or BCD interface
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Dual setpoint controller
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Isolated linearized analog outputs
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Isolated low voltage power supply
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MF60 Functions
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Frequency
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Period
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Rate
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Total
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Time Interval
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Stop Watch
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Phase Angle
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Square Root
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Integrating Totalize
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Up/Down Totalizer
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Ratio
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A+B, A-B, A*B, A/B
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Draw
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Batching
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Quadrature
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Custom Curves
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Display
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Type:
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6 LED, 7-segment, 14.2mm (.56") high digits and 4 LED indicators
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Color:
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Red or Green
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Range:
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-99999 to +99999
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Conversion Period
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Technique (frequency):
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1/period time
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Rate:
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Gate Time + 30ms + 2 periods
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Gate Time:
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Selectable 0 to 199.99 sec
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Accuracy at 25°C
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Inputs:
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AC or Pulses from NPN, PNP xistors, contact closures, magnetic pickups, etc.
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Channel A:
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0 to 2 mHz
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Channel B:
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0 to 200 kHz
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Time Base (crystal):
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Calibrated to +/-2PPM
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Span Tempco:
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+/-1PPM/°C (typ.)
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Long Term Drift:
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+/-5PPM/year
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VF Option
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Inputs:
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0 to 10V, 0 to 1 mA, 4 to 20mA
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Span Error:
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0.015%FS +/-1Ct
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Span Tempco:
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0.003% R/°C
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Zero Tempco:
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0.001FS/°C
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QD Option
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Inputs:
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Differential or single ended inputs from quadratin encoders.
Input to 200kHz
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Error:
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No error contributed by meter
CMV (DC to 60 Hz) Safety rated to 250 VDC.
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Environmental
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Operating Temperature
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0°C to 55°C
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Storage Temperature
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-40°C to 85°C
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Relative Humidity
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95% at 40°C NEMA4X when mounted in panel
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Operating Power
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Voltage (std.)
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85 to 264 Vac, 90 to 370 Vdc
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Voltage (opt.)
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8 to 28 Vac, 9 to 37 Vdc
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Frequency
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DC and 47 to 440 Hz
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Excitation Power Supplies
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Outputs
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10 Vdc, 5%, 120 mA max.
24 Vdc, 5%, 50mA max.
5 Vdc, 5%, 100 mA max.
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