Data Sheet
SORinc.com
Single Point RF Level Switch
Models:
651, 681
Ranges:
0 to 4000 psi, 0 to 275 bar; -40° to 400°F, -40° to 204°C
Certifications:
Unit: IECEx, CSA, FM, INMETRO
Warranty:
The 651 single-point RF level switch provides basic, single-point switching for use as an alarm or level indication. It’s virtually immune to process coatings on the probe, making it a useful solution for many tough-level applications. With no moving parts, the 651 single-point switches with self-test are well-suited for applications where other technologies struggle with accuracy.
- Low cost
- Single-point switch for alarm applications
- Pressure from vacuum to 4000 psi, temperature from -40°F to 400°F
- Relay and current shift (8/16mA) output available
- A variety of probe configurations are available to meet most application conditions
Catalogs
General Instructions
- 651 RF Admittance Single Point Level Switch (Form GI830) (pdf) (opens in a new tab)
- 651 K9 RF Admittance 2-Wire Point Level Control (Form GI759) (pdf) (opens in a new tab)
- RF Point Level Control with Sensor Monitor (Form GI924) (pdf) (opens in a new tab)
- RF Two-Wire Level Control with Sensor Monitor (Form GI925) (pdf) (opens in a new tab)
Product Bulletins
In the Field – 651 RF Level Switch in an Oil/Water Interface Application
INMETRO Certification
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