HD978TR3 – Converter Signal Amplifier – 4…20 mA – DIN Rail

Brand: Delta OHM S.R.L.

HD978TR3 – Converter Signal Amplifier – 4…20 mA – DIN Rail

Brand: Delta OHM S.R.L.
Configurable converter signal amplifier with 4…20 mA (20…4mA). Input range -10 …+60mVdc.

Standard configuration 0…20mVdc. Minimum measuring range 2mVdc.

DIN 2 modules container (35 mm) with rail attachment 35 mm. For DIN rail 35mm.

Configurable with HD778 TCAL.

Specifications

Measuring Range

  • -10 mV … +60 mV configurable

Default Range

  • 2 mV

Minimum Measuring Range

  • 50° C

Conversion Speed

  • 2 measures per second

Accuracy

  • ± 0.04 %F.S. ± 20 μV

Operating Temperature

  • -30…+70° C

Storage Temperature

  • -40…+80° C

Relative Humidity

  • 0…90 %RH (without condensation)

Type of Output

  • 4…20 mA (or 20…4 mA) two-wired 22 mA, in case of unconnected input

Resolution

  • 4 μA

Power Supply

  • 9…30 Vdc for the 4…20 mA current output

Protection Against Polarity Inversion

  • 40 Vmax

Sensitivity to Vdc Power Voltage Variations

  • 0.4 μA//V

Load Resistance

  • RLMax. = (Vdc-9)/0.022
  • RL Max. = 680 Ω with Vdc = 24 Vdc

Input/Output Galvanically isolation

  • 50 Vdc (verified at 250 V)

Red Led

  • It turns on while programming, when the probe is broken or not connected

Heating Time

  • 2 minutes

Thermal Drift

  • 0.02 % Full Scale/°C

Documentation

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