Kobold Frequency Transmitter, FMU
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FMU Frequency Transmitter

Brand: KOBOLD Instruments, Inc
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The model FMU frequency transmitter transforms a frequency signal to a standardized analog signal. The housing is state of the art and designed for standard rail installation. 230 Vac, 115 Vac or 24 Vdc are available as supply voltages. 

The transmitter as two separate modules, output and power which are electrically isolated from each other. The isolating voltage is 2 k Veff. The process measurement signals 0-20 mA, 4-20 mA or 0-10 V are available as outputs. 

Input and output signals are selected by means of different terminal assignments and jumpers. 

Potentiometers are used for remote adjustment.

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Specifications

Brand

Accuracy

  • ± 0.2 %

Bandwidth

  • 1.5 Hz (-3 dB)

Electrical Connectors

  • 4 mm², Max.

Environmental Protection

  • IP20 - Terminal Block
  • IP40 - Case

Frequency

  • Up to 40 kHz, Max.

Function

  • ≤ 0.5 % - Ripple Factor

Input

  • 100 mV
  • NAMUR Transducer

Insulation Resistance

  • 2 kV

Load Impedance

  • 0/4 mA - 600 ohms

Mounting

  • DIN Rail Mounting According to DIN 46277

Operating Temperature

  • -10° to 60° C (14° to 140° F)

Output

  • 0-10 Vdc
  • 0-20 mA
  • 4-20 mA

Power

  • 1.5 VA, Max.

Power Supply

  • 115 Vac
  • 230 Vac
  • 24 Vdc

Response Time

  • ≤ 250 milliseconds

Sensor Input

  • 24 Vdc, Max.

Storage Temperature

  • -30° to 80° C (-22° to 176° F)

Switch Type

  • NPN Transistor
  • PNP Transistor

Temperature Effect

  • 0.015 %/°C

Documentation

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