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Datasheet summary

Omnigrad TST434

Engineering summary from PDF text extraction for Omnigrad TST434. Verify every value with the OEM datasheet.

Summary

Product identification

  • Product Name: Omnigrad TST434
  • Type: RTD Thermometer
  • Application: Medium duty - Building automation
  • Intended Use: For outdoor ambient temperature, with housing for wall mounting. Also suitable for wet ambients like refrigerators and climatic chambers.

Operating limits

  • Allowed temperature (without transmitter): -30°C to +100°C
  • Allowed temperature (with transmitter): -20°C to +80°C

Feed water

Not applicable. This is a temperature sensor.

Product water

Not applicable. This is a temperature sensor.

Electrical

  • Sensing element: 1 x Pt100 Ω at 0°C
  • Tolerances: Class A or B to IEC 751
  • Wiring: 3 wire connections
  • Insulation resistance: ≥ 100 MΩ (test voltage 250V at ambient temperature)
  • Built-in head transmitter options:
    • Analogue 4..20mA with fixed ranges (e.g., 0...50°C, 0...100°C, 0...150°C)
    • Analogue 4..20mA with I/O isolation
    • Analogue 4..20mA with I/O isolation (EEx ia version)
    • Digital PC settable
    • Hart®, analogue with I/O isolation
    • Hart®, analogue with I/O isolation (EEx ia version)
    • Without built-in transmitter
    • Built-in transmitter THT1, ordered separately
    • Built-in transmitter as specified (on request)

Mechanical / hydraulic

Protecting tube

  • Standard diameter: 8 mm
  • Fins diameter: 20 mm
  • Standard material: Anodised aluminium

TA20A terminal head (Form B)

  • Dimensions: According to DIN43763 form B
  • Protection grade: IP68
  • Transmitter mounting holes distance: 33 mm
  • Cable entry: PG16 + grey gland skintop
  • Thermowell entry: By standard mounting kit
  • Body colour: Blue (RAL 5012), epoxy coated
  • Cap colour: Grey (RAL 7035), epoxy coated

TA30 housing

  • Dimensions: 80x82x55 mm
  • Protection grade: IP67
  • Transmitter mounting holes distance: 33 mm
  • Material: Polycarbonate
  • Cable entry: PG9 with cable gland
  • Thermowell entry: By standard mounting kit
  • Colour: Grey (RAL 7035)

Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror

Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.