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Duct, Ø7mm

For temperature measuring in gaseous mediums of heating, ventilation and air-conditioning systems (e.g. in supply/ exhaust air ducts). Designed for locking on control and display systems. In combination with an immersion pocket also suitable for temperature measuring in liquid mediums (e.g. pipeline systems).


  • Active: 0-10V, 4-20mA
  • LON: FTT10A
  • Passive: Sensor (PTC, NTC...)

Measuring range active

  • -50°C...+50°C
  • -10°C...+120°C
  • 0°C...+50°C
  • 0°C...+160°C
  • 0°C...+250°C

Measuring range LON


Measuring range passive

Depending on sensor used

Connection passive

2-wire (standard), 3-wire, 4-wire

T max. sensor top

160°C (standard), 260°C

Mounting lengths

62mm, 135mm, 192mm, 240mm, 320m, 392mm, 465mm

Sensor pocket

Stainless steel, ø7mm

Power supply

  • 4-20mA: 15-24V DC (±10%)
  • 0-10V/LON: 15-24V DC (±10%) or 24V AC (±10%)


  • Active: IP65
  • LON: IP65, with SI Protection
  • Passive: IP65


Active types also available with LC display

Download the specification in Pdf format here     Download

AKF10 Ø7mm - Duct temperature sensors