Special features

• ATEX approval
• High accuracy
• No maintenance required
• No pressure drop
• Wide spectrum of electrode materials.
• Many liners available
• Grounding electrode instead of grounding rings
• Large selection of process connections.

Sensor EPX

• Fitting: painted steel Ex IIG or stainless steel Ex IID
• Process connections: Steel or stainless steel flanges (1.4301 / SS316) EN1092 and ASME
• Linings: Hard rubber, soft rubber, E-CTFE, PTFE,
• Measuring and grounding electrodes: stainless steel 1.4571, Hastelloy, tantalum, platinum (grounding rings and other materials on request)
• Nominal sizes: DN15 to DN 300

Nominal pressure:

• PN40, ASME Cl150/300 DN15 to DN50
  PN16, ASME Cl150 DN65 to DN200
  PN10, ASME Cl150 DN250 to 300 (higher pressure ratings on request)
• Process temperature:
  Hard rubber -35….+64°C(T6)
  Soft rubber +5…..+64°C (T6)
  PTFE -35…+64°C (T6) ..+79°C(T5) ..+114°C(T4) ..+139°C(T3)
• Ambient temperature: -35°C to +60°C
• Conductivity: >5 µS/cm
  >20 µS/cm for demineralized water
• Measuring range limits: 0.1 m/s – 10 m/s
• Accuracy: ± 0.3 % of measured value ± 0.01 % * (Q at 10 m/s) (under reference conditions)
• Repeatability: ± 0.15 % of measured value ± 0.005 % * (Q at 10 m/s) (under reference conditions)
• Protection class: IP67 (EN60529), IP68 on request

Transmitter

UMF3

• Installation: integral or remote
• Housing: Aluminum die cast, coated
• Power supply: 90…253V AC 50/60Hz, 24V DC ±20%

Outputs:

• Analogue: 1x 0/4-20mA HART, passive, galvanically isolated
• Pulse: passive, galvanically isolated, Um=30VDC
• Status: passive, galvanically isolated, Um=30V,
• Ambient temperature: -20°C to +60°C
• Protection class: IP67
• Diagnostic Functions: Empty pipe detection, exciter current monitoring

Explosion protection

Ex II(1G) 2G Ex d e [ia Ga] IIB T6/T4/T3 Gb
Ex II(1G) 2D Ex tb IIIC [ia Ga] T80 °C / T125 °C / T 150 °C Db

Communication

HART^® Protocol