HD988TR2 – Configurable Temperature Transmitter – DIN Rail – 2 Modules

Brand: Delta OHM S.R.L.
HD788TR1-temperature-transmitter-1.jpg
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HD988TR2 – Configurable Temperature Transmitter – DIN Rail – 2 Modules

Brand: Delta OHM S.R.L.
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Configurable temperature transmitter with a 3½ digit display (figure height 10 mm), output 4…20 mA. Measuring range: -200…+650°C, minimum range 25 °C.

Standard configuration 0…100 °C. 2 or 3 wires Pt100 sensor. Electronics operating temperature -20…+70 °C.

Case for DIN rail 35 mm, 2 modules (35 mm).

Specifications

Brand

Sensor

  • Pt100 (100 Ω at 0° C)

Connection

  • 3 (or 2) wires

Linearization

  • EN 60751, IEC 751
  • BS 1904 (α=0.00385)

Current into Sensor

  • < 1 mA

Measuring Range

  • -200…+650° C

Default Range

  • 0…100° C

Minimum Measuring Range

  • 25° C

Influence of the Connecting Leads

  • Negligible with coupled lead

Conversion Speed

  • 2 measurements per second

Accuracy

  • ± 0.1° C ± 0.1 % of the reading (-100…+500° C)
  • ± 0.2° C ± 0.02 % of the reading (-200…+650° C)

Sensibility to Variations of Env. Temperature

  • 0.01° C/°C

Electronics Operating Temperature

  • -20…70° C

Storage Temperature

  • -40…+80° C

Output

  • 4…20 mA (or 20…4 mA)
  • 22 mA in case of incorrect programming or temperature out of range

Resolution

  • 4 µA
  • For HD988TR2 - Display: 0.1° C up to 200° C, 1° C over 200° C

Power Supply Voltage

  • 7…30 Vdc (protection against inversions of polarity

Sensibility to Variations of the Feeding Voltage Vcc

  • 0.4 µA/V

Load Resistance

  • RLMax. = Vdc-7/0.022 = > RLMax. = 770 Ω @ Vdc = 24 Vdc

Red Led

  • It switches on while programming and when the measured temperature is out of the set range

Input-Output Isolation for Models HD788TR1-I and HD988TR1-I

  • 500 Vdc
  • Only for models HD788TR1-I and HD988TR1-I

Documentation

Datasheet

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