Flowline Liquid Level Control Selection Guide

Flowline Liquid Level Control Selection Guide

Liquid level measurement, level control, and datalogging for automating tank systems

Choose the right liquid level products for your application:

1. Process Vessels

• Continuous level measurement—
  Cricket
  Ricochet
  Symprobe
• High/low alarms—Switch Pak
• Point level control—Point level switches

2. Day Storage Tanks

• Continuous level measurement—
  Cricket
  Symprobe
• Fill between two points—Smart Trak

3. Bulk Storage Tanks

• Continuous level measurement—EchoTouch
• High level shut off—Switch Pak
• High level alarm—Switch Pro

4. Waste Sumps

• Empty between two points—Smart Trak

5. Waste Storage Tanks

• High level shut off—Switch Pak
• Continuous level measurement—EchoTouch
• High level alarm—Switch Pro

6. Waste treatment tanks

• High/low alarms in treatment—Smart Trak
• Caustic continuous level measurement—EchoTouch
• Acid low level shut off—Switch Pak

Table scrolls horizontally

Media/tank conditions	Continuous Level Control					Point Level Control
	EchoTouch™ two-wire	EchoTouch™ three-wire	Ricochet™	Cricket™	Symprobe™	Tuning fork switch	Ultrasonic switch	Buoyancy switch	SuperGuard™ RF capacitance	Non intrusive RF capacitance
Foam	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes	No
Bubbles	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
Conductive	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Nonconductive	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	No	No
Clean	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Dirty	Yes	Yes	Yes	No	No	Yes	Yes	No	Yes	No
Noncoating	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Light coating	Yes	Yes	Yes	No	No	Yes	Yes	No	Yes	No
Medium coating	Yes	Yes	Yes	No	No	Yes	No	No	Yes	No
Heavy coating	Yes	Yes	Yes	No	No	No	No	No	No	No
Vapors	No	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes
Ambient pressure	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Low pressure	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes
Medium pressure	No	No	No	No	Yes	Yes	Yes	Yes	Yes	Yes
Intrinsically safe	Option	No	No	No	No	No	No	No	No	No
Vacuum	No	No	No	No	Yes	Yes	No	Yes	Yes	Yes
Metallic tank	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No
Nonmetallic tank	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Contact/noncontact	Noncontact	Noncontact	Noncontact	Contact	Contact	Contact	Contact	Contact	Contact	Noncontact