R3D Remote-Ready Dial, Magnetel 4” & 8” – LPG
Rochester Remote Ready (R3D) Dial for LPG/propane gas applications
Application
The Magnetoresistive Magnetel® Dial is a magnetically-driven, voltage output sender. These dials are utilized on applications where direct reading plus anelectrical signal to a remote fuel level monitor are required. Models are available to fit Rochester 4” & 8” Magnetel® and Taylor 8” Master liquid-level gauges.
General Information & Features
In the area of LP gas measurement, a magnetic drive feature is important because the fluid is stored under pressure. A magnetic drive allows a signal from the float mechanism inside the tank to be transmitted through a solid, non-magnetic bulkhead without the necessity of dynamic seals or pressure-type conductors.
Previous designs of liquid level gauges for magnetically driven dials which produced an electrical output signal had the disadvantages inherent in using variable resistors with a wiper arm contact. There has been a need for a more reliable and simplified design for these LP gas liquid-level gauges that would provide an electrical output related to the liquid level in the vessel.
Magnetoresistance is a solid state technology with no moving contacts. Magnetoresistance is the property of a material to change the value of its electrical resistance when an external magnetic field is applied. Microchip technology converts the resistance change to a useable voltage signal.
The MR Magnetel® Dial is advantageous in that it can be used as a retrofit on existing vessels to provide an electrical output that can be utilized for remote monitoring of tank levels. With remote monitoring of tank levels, distributors of LP gas will be able to more efficiently plan deliveries to various consumers.
Documents
Data Sheet
General Specifications*
Temperature
-40° to 80°C (-40°F to 176°F).
Accuracy
Voltage output ±2% (full scale) of visual dial indication. (Float gauge errors not included.) See DS-1781 for output voltages corresponding with dial graduations.
Operational Voltage Range
4.5v to 5.5v ratiometric.
Resolution
Infinite.
Operating Current
8 mA (No Load).
Output Current
±1 MA.
WARNING: This sensor is not to be used as the primary means of determining high or low fuel condition. It must not be used in the absence of redundant systems in critical applications where there may be significant safety risk or financial exposure in the event of fuel overfill or fuel exhaustion condition. This sensor is not to be used for tank filling.
Materials of Construction*
Lens
Acrylic plastic.
Cover
Acetal plastic.
Bezel
Stainless steel.
Case
Aluminum.
Bezel Screws
Stainless steel.
*Materials and specifications are subject to change without notice. Pressure ratings subject to change due to temperature and other environmental considerations.
How to Order
Magnetel R3D® Compatible Dial Assemblies
| Part Number | Size | Range | Fits | Dial |
|---|---|---|---|---|
| 5ANTS03047 | 4″ | 5-95%** | Rochester Magnetel (M6339) | LP & NH3 |
| 5APKS03045 | 4″ | 5-95%** | Rochester Magnetel | LP & NH3 Fluorescent |
| 5ANGS03044 | 8″ | 3-97% | Rochester Magnetel | LP & NH3 |
| 5ARWS03066 | 8″ | 3-97% | Rochester Magnetel | LP & NH3 Fluorescent |
| 5ANLS03044 | 8″ | 3-97% | Rochester/ Taylor Master | LP & NH3 |
| 5ANLS02784 | 8″ | 5-95%** | Taylor Master | LP & NH3 |
**Use 3-97% module.
Magnetel Hall Effect Components
Hall Effect components only available through remote monitor OEM’s. Hall Effect modules are UL Classified as intrinsically safe for Class 1, Division 1, Groups C & D (Hazardous Locations).
See WD-580 Control Drawing (available upon request). See DS-1781 Output Voltages
WARNING: For LP-gas and other flammable product service applications, connect only to circuits and power sources Classified and labeled as Intrinsically Safe for Class 1, Division 1, Group C and D hazardous locations. The connection of non-intrinsically safe power could cause fire or explosion of flammable vapor which may be present.
| Model | Style |
|---|---|
| 9704-SM####M | Magnetel Hall Effect Module for 4″ & 8″ R3D® dials with 3-97% dial graduations |
WARNING: Level Gauging devices and sensors sold by Rochester Sensors, Inc. are components only.
The purchaser/installer is solely responsible for the application of these components and ensuring all necessary steps have been taken to assure each application and use meets all performance and applicable safety requirements and/or local, national and/or international safety codes as required by the application. Rochester Sensors, Inc. cannot certify that our products used solely or in conjunction with other Rochester Sensors, Inc. or other vendors’ products will assure desired performance and safety for any application. Any person using or applying any products sold by Rochester Sensors, Inc. is responsible for learning the performance and safety requirements for their individual application and applying them, and therefore assumes all risks, and accepts full and complete responsibility for the suitability of the product for their respective application. Rochester Sensors, Inc. does not provide system design or consulting services, and cannot advise whether any specific application or use of our products would ensure compliance with all performance and safety requirements for any application.
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