2. Product Overview
  3. Process sensors
  4. Temperature measurement
  5. Hygiene
  7. PT55H
Technical data
Performance characteristics
Process temperature
  • Refer to section "Operating conditions"
Pt100 accuracy class (EN 60751)
  • 1/1 B ± (0.3 + 0.005 × t)°C
  • 1/1 A ± (0,15 + 0,002 × t)°C
  • 1/3 B ± 1/3 × (0.3 + 0.005 × t)°C
  • 1/6 B ± 1/6 × (0.3 + 0.005 × t)°C
Max. measuring error
  • ± 0.06 % FSR @ 25 °C
  • Including zero-point and span error, nonlinearity (by terminal base line), hysteresis and non-repeatability (EN 61298-2)
Temperature coefficient
  • < 0.025 K/K
  • Factor of change in ambient temperature from 25°C
Temperature drift (by ambient)
  • < 0.1 % FSR/K (± 1.6 µA/K)
  • Factor of change in ambient temperature from 25°C
Thermal response time, T50
  • RTD element and transmitter combined
  • < 2.5 s , Ø4 mm
  • < 6.5 s , Ø6 mm
  • < 10.5 s , Ø8 mm
Power-up time
  • < 1500 ms @ 24 V
Process connection
Sensor length
  • Refer to section "Ordering information"
  • Other lengths > 3000 mm on request
Sensor tube material
  • AISI 316L (1.4404)
Surface roughness wetted parts
  • Ra ≤ 0.8 µm
  • Ra ≤ 0.8 µm, electropolished, optional
  • Ra ≤ 0.4 µm, optional
  • Ra ≤ 0.4 µm, electropolished, optional
Ambient conditions
Degree of protection (EN 60529)
  • IP67
  • IP69K , with appropriate mating connector
Humidity
  • ≤ 100 % RH , condensing
Vibration (sinusoidal) (EN 60068-2-6)
  • 1.6 mm p-p (2 … 25 Hz), 4 g (25 … 100 Hz), 1 octave / min.
Output signal
Damping
  • 0 … 60 s , programmable
Output type
  • PNP
  • NPN
  • Digital (push-pull)
Switching logic
  • High-Active
  • Low-Active
Voltage drop
  • < 2 V, switching output
Accuracy
  • ± 0.05 % FSR
Step response time, T90
  • < 25 ms
Current rating
  • 100 mA , max.
Load resistance
  • Rs ≤ (V DC - 15 V)/23 mA, 2-wire mode
  • Rs ≤ (V DC - 10 V)/23 mA, 3- & 4-wire mode
Off leak current
  • < 160 μA , max.
Ripple immunity
  • < 1 % FSR (1 Vrms, 50Hz...1kHz)
Interface
  • IO-Link 1.1
  • With FlexProgrammer 9701
Effect of variations in supply voltage
  • < 0.01 % FSR/V (± 1.6 µA/V), deviating from 24 VDC
Compliance and approvals
EMC
  • EN 61326-1
  • EN 61326-2-3
  • Deviation during immunity testing ≤ 0.2% FSR
Hygiene
  • 3-A (74-07)
  • EHEDG EL Class I
Downloads
Operating Manual
Software Manual

Drawings
Drawings
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Cooling neck

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M12 × 1.5 hygienic (BCID: A02)

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G 1/2 A hygienic (BCID: A03)

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BHC 3A DN 38 (BCID: B01), 3-A / EHEDG certified

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Tri-Clamp Ø 50.5 (BCID: C04), 3-A / EHEDG certified

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Varivent® DN 32 … 125; 1 1/2" … 6" (Type N), Ø 68 (BCID: V02), 3-A / EHEDG certified

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Standard response tip

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Fast response tip

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