TT-555 Flying Lead Sensors

The TT-555 is a direct output temperature sensor used to measure air temperature, particularly in fan-coil units, and contains a high quality thermistor, a nickel or platinum sensing element. The standard cable length is two metres of 2-core shielded cable.

Technical features

Output types

• Passive Resistive
• Active (selectable) Current 4-20mA or Voltage0-10Vdc

Accuracy

• Thermistor ±0.2°C from 0 to 70°C
• PT100a ±0.2°C to 25°C
• PT1000a ±0.2°C @ 25°C
• NI1000A ±0.4°C @ 0°C
• -CVO ±0.4°C @ 25°Cì

Probe

• Material Stainless steel
• Dimensions 30 x 6mm diameter (excluding external heat shrink), Cable length 2 metres as standard

Protection:

• Standard IP40
• With option -R IP68

Environmental

• Housing: -10 to +60°C, 0 to 95% non-condensing
• Media: -10 to +60°C
• Weight 80g

Country of origin

• Types A, B and Z Poland
• Others United Kingdom

Compliance (CVO types only)

• EMC, CE and UKCA Marking