Low-Level Fuel-Water Interface Detection

Buna-N

Big Time Low Level Measurements and HazLoc Ratings For Big Applications

With a 0.5" 3/16 ∅ stainless steel stem, Class I Div 1 and Class I Zone 0 approvals, and floats that just don't get stuck.

The bottom float is specifically designed to extend one full inch below the bottom of the probe for ultra-low interface-level detection. Depending on the composition of the fuel, the bottom float can begin to move at an interface-level as low as 1.25 inches from the bottom of the tank. For siphon pipes five inches above the bottom of the fuel tank, the Buna-N Dual-Float System provides almost four inches of interface level warning.

Low-Level Measurements
The Buna-N Dual-Float System For Low-Level Fuel-Water Interface Level Detection on Magnetostrictive probes provides the interface level monitoring necessary for safe and successful fuel tank operations.

Modbus Output
The RS-485 Modbus RTU output makes any MPI compatible with any Modbus controller. It also pairs with the MDI controller to create a self-contained, Intrinsically Safe level monitoring solution.

Tank Cloud Compatible
The MPI liquid level sensor is a Tank Cloud client sensor, able to communicate via the Internet with the addition of an LOE server sensor or an RST-5003 module.

COMMON APPLICATIONS
  • C I, D 1 Hazardous Locations
  • C I, Z 0 Hazardous Locations
  • Marine (Salt Water) Environments
  • Water and Wastewater Treatment
  • Pulp and Paper
  • Biotech
Performance

Accuracy
Greater of ±0.04 in. (±1mm) or 0.05% of full range
Resolution
Modbus: ±0.04 in. (±1mm)

Physical

Housing
Cast aluminum, epoxy coated
Stem
Stainless steel
Stem Length
4 - 25 ft. (1.22 - 7.62 m)
Float Materials
Titanium

Electrical

Supply Voltage
8-24 VDC
Typical Current Draw
Modbus (RS-485): 25 mA

Environmental

Operating Temperature
-40° to 185° F (-40° to 85° C)
Protection Rating
NEMA 4X
IP65

Approvals

CSA
Certificate: CSA19CA70219727
Ambient: -40° to 85°C
Class I Division 1, Groups C D T4
Class I, Zone 0; AEx ia IIB T4 Ga
Ex ia IIB T4 Ga
ATEX
Certificate: Sira 18ATEX2072X
II 1G Ex ia IIB T4 Ga
Ta = -40° to 85°C
IECEx
Certificate: IECEx SIR 19.0026X
Ex ia IIB T4 Ga
Ta = -40° to 85°C

Connectivity

Output
Modbus RTU (RS-485) with Surge Protection
Internet Connectivity
Tank Cloud LOE Master
RST-5003

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