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  1. Level sensors overview
  2. Continuous level application
  3. Water based media

Level sensors for water-based media

Sensor Family Insertion Lengths Technology Signal Points to Consider

LR
100…2000 mm Guided wave radar • Transmitter
• Switch
• IO-Link
• Easy top-down mounting
• Cut-to-length measuring points
• Excellent replacement for mechanical floats

LK / LT
264…728 mm Capacitive • Transmitter
• Switch
• IO-Link
• Easy top-down mounting
• Independent overflow protection
• LT variants include temperature output

KQ10
228 mm
stackable
Capacitive • Switch
• IO-Link
• Mount outside non-metallic tank using brackets or adhesive
• Units may be stacked to cover larger tanks
• At-a-glance level indication via LED bar graph

PS
0…1 bar Hydrostatic pressure Transmitter • Simply drop in tank
• 2-wire transmitter
• Pressure compensation via internally vented cable

PN
Unlimited Hydrostatic pressure • Transmitter
• Switch
• IO-Link
• Mount at the tank bottom
• Two-colour display

PG
Unlimited Hydrostatic pressure • Transmitter
• Switch
• Mount at the tank bottom
• Gauge / digital display

PA / PX
Unlimited Hydrostatic pressure Transmitter • Mount at the tank bottom
• Two-wire transmitter

UGT, UIT
Up to 8 m Ultrasonic • Transmitter
• Switch
• IO-Link
• Accurate level detection regardless of medium
• Actual distance available via IO-Link

LW21
Unlimited Radar • Transmitter
• Switch
• IO-Link
• Non-contact measuring principle
• Measurement directly or through non-metallic walls
• Independent of pressure, temperature or viscosity