Measuring Principle
FMCW (Frequency Modulated Continuous Wave)
Operating frequency: Approx. 80 GHz
Transmission power: Peak 6.3 mW / Average 63 µW

Measuring Range (by antenna)
Encapsulated, PVDF, 40 mm (1.5″): Max. 22 m (72 ft)
Drip-off, PTFE, 50 mm (2″): Max. 50 m (164 ft)
Integrated, PEEK, 20 mm (0.75″): Max. 10 m (32.8 ft)
Integrated, PEEK, 40 mm (1.5″): Max. 22 m (72 ft)

Beam Angle
PVDF encapsulated 40mm: 8°
PTFE drip-off 50mm: 6°
PEEK integrated 20mm: 14°
PEEK integrated 40mm: 8°

Output Signal
HART: FSK ±0.5 mA, 1200 Bit/s, galvanically isolated
Current output: 4-20 mA (also NAMUR NE43: 3.8-20.5 mA / US mode: 3.9-20.8 mA)

Performance
Accuracy: ±4 mm (distance ≤0.8 m) / ±1 mm (distance >0.8 m)
Non-repeatability: ≤1 mm
Measured value resolution: Digital 1 mm / Analog 1 µA
Step response time: <1 s

Power Supply
Non-hazardous, Ex d, Ex e: 10.5 to 35 VDC
Ex i: 10.5 to 30 VDC
Nominal current: 4 to 20 mA
HART load: Min. 250 Ω

Environmental & Process Conditions
Ambient temperature (without LCD): -40 to +85 °C (standard)
Storage temperature: -40 to +90 °C (without LCD)
Process temperature: -40 to +200 °C (-40 to +392 °F)
Process pressure: -1 to +20 bar (-14.5 to +290 psi) (depending on antenna/connection)
Degree of protection: IP66/68, TYPE 4X/6P
Vibration resistance: 1.5 (m/s²)²/Hz, 5 to 2000 Hz
Dielectric constant (liquids): εr ≥ 1.2

Process Connections
PVDF encapsulated 40mm: Thread 1½” or UNI flange PP
PTFE drip-off 50mm: Thread, UNI flange PP or UNI flange 316L
PEEK integrated 20mm: Thread ¾”
PEEK integrated 40mm: Thread 1½”

Materials (wetted)
PVDF encapsulated antenna: PVDF
PTFE drip-off antenna: PTFE
PEEK integrated antenna: PEEK
Process connection: 316L / 1.4404 (metal versions)

Housing Options & Weight
Single compartment, plastic: 0.8 kg
Single compartment, aluminum: 1.1 kg
Dual compartment, aluminum: 1.4 kg
Dual compartment, stainless steel: 3.3 kg
Dual compartment, L-form: 1.7 kg
PVDF encapsulated antenna: 0.60 kg
PTFE drip-off antenna: 1.70 kg
PEEK integrated 20mm: 1.10 kg + flange weight
PEEK integrated 40mm: 1.90 kg + flange weight

System Integration
Protocol: HART Version 7
Bluetooth range: Up to 25 m (82 ft)
Languages: English, German, French, Spanish, Italian, Dutch, Portuguese, Polish, Russian, Turkish, Chinese, Japanese, Korean, Vietnamese, Czech, Swedish

Certificates and Approvals
CE, RoHS, RCM marking
Ex approvals (IEC Ex, ATEX, CSA C/US, EAC Ex, etc.)
SIL 2/3 per IEC 61508
Overfill prevention WHG
Factory calibration certificate

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