APG RPM Explosion Proof Resistive Float Level Transmitter

APG RPM Explosion Proof Resistive Float Level Transmitter is designed for use in chemical, oil, shipping, food processing, waste treatment, and many other industries. Each RPM is manufactured to the user’s specifications making it fit to work precisely according to the application requirements.

As durable as it gets. The RPM is made to work for you and is completely customizable for your needs including: probe length, float type, specific gravity, and outputs. This float level transmitter is the ultimate in durability. It’s commonly referred to in the field as a mud probe, one of the most demanding applications around. It’s also well suited for extreme sewage level measurement and has PDA approval for marine applications.

APG RPM Explosion Proof Features

  • Continuous level indication
  • Rugged and highly reliable
  • Anti-stick float design
  • Resistive chain or loop powered 4-20 mA output
  • Hazardous location approvals – Explosion proof / Intrinsically safe

Heavy Duty Explosion Proof

This level probe is built for heavy-duty applications that require ATEX/IECEx or CSA intrinsic safety, or CSA explosion proof certifications. Its large float works well in dirty environments, and has been proven for years in the oil & gas and wastewater industries.

Made to Order

Probe length, float type, specific gravity, even outputs can all be customized to your needs. The RPM liquid level probe is meant to work for you.

No Fuss Operation

The RPM level float doesn’t struggle with many of the same variables that plague non-contact forms of measurement. With simple linear measurement, there is little that can disrupt the operation or the accuracy of the RPM.


  • C I, D 1 Hazardous Locations
  • Mud Tanks/Pits
  • Thick, Viscous, Sludgy Fluids
  • Wastewater
  • Sewage
  • Mixed Effluent

APG RPM Explosion Proof Specification

Resolution ±0.5in
Supply Voltage 12-24 VDC for 4-20mA Output
0-5, 0-10, 0-15 VDC for Resistive Output
Cable Entry ¾ in. NPT
CSA Explosion Proof Class I, Div. 1 Groups C & D, Ex d, IIb T3
CSA Intrinsically Safe Class I, Div. 1 Groups C & D, Ex ia IIB T3 Ga
ATEX Intrinsically Safe Ex II 1G Ex ia IIB T3 Ga
IECEx Intrinsically Safe Ex ia IIB T3 Ga
Marine Certifications ABS Certificate of Design Assessment
Output 4-20mA
0-5, 0-10 VDC
Internet Connectivity RST-5003
Materials 316L SS Stem
Polyurethane Float
316L SS Float
Housing Cast Aluminum
Operating Temperature -40 to 185° F

Download Data Sheet: Explosion Proof Resistive Float Level Transmitter RPM

Ref: apgsensors.com

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