R3D®-Industrial
Rochester Remote Ready (R3D) Dial for Industrial Applications
Application
The Rochester Remote Ready Dial, R3D® – Industrial, is compatible with magnetically-driven, Hall Effect modules (9704 or 9705 series). R3D are utilized on industrial applications where direct reading plus an electrical signal to a remote fuel level monitor may be required. Models are available to fit all Rochester Junior and Senior liquid-level gauges.
Rochester’s Hall Effect Module (9704 and 9705 series) is designed to snap-fit into the recess in the Remote Ready Dial (R3D) lens. Once installed, the module can provide ratiometric voltage output proportional to the liquid volume inside the tank.
The R3D and Hall Effect Module can be used as a retrofit on existing tank gauges to provide an electrical output which can be utilized for remote monitoring of tank levels. Existing tank gauges without an R3D dial can be retrofitted R3D dials. Remote monitoring of tank levels provides another source of level gauging in addition to manually checking dial gradients.
General Information and Features
In the area of fuels, lubricants and many other liquid measurements, a magnetic drive feature allows a signal from the float mechanism inside the tank to be transmitted through a solid bulkhead (the gauge mounting head). The R3D is designed to also allow a second magnetic coupling from the R3D pointer magnet, through the sealed lens and into the Hall Effect Module (9704 or 9705). Previous designs of magnetically driven dials that produce and electrical output signal had the disadvantages inherent in using variable resistors with a wiper arm contact. The magnetic connection of the Hall effect sensor is more reliable than systems that depend on the sliding contact of variable resistor devices. Hall Effect is a solid-state technology with no moving contacts. It counts on the fact that a magnet bends the path of electrons moving through a semiconductor. The bending of the electron path can be detected and converted into an electrical signal.
The R3D case is hermetically sealed by ultrasonic welding to melt and fuse the case into once solid piece. This keeps weather out, ensuring “no-fog” readability while greatly extending mechanical life. The seal is a high reliability, no-gasket design. The plastic case is far more resistant to corrosion than any metal-cased version and is capable of withstanding broad variations in temperature. The lens and case are a special, UV stabilized plastic material. The R3D dial is mounted onto Rochester Junior or Senior gauges with #0040-00416 stainless steel dial screws (6 – 32 x 3/8″).
General Specifications*
Temperature
-40°F to 176°F, -40°C to 80°C.
Accuracy
Voltage output ±4% (full scale) of visual dial indication. (Float gauge errors not included.) See DS-1522 for nominal output voltages corresponding with dial graduations.
Repeatability
±1%.
Operational Voltage Range
4.5 to 5.5 vdc/ratiometric.
Output Voltage
Ratiometric 10-90% of input voltage @ 10-90% volume.
Resolution
Infinite.
Operating Current
4.5 mA.
Output Current
±1 MA.
U.S. Patents
6,564,632;6,679,116; 6,584,838
Hall Effect modules are UL Classified as intrinsiclly safe for Class 1, Division 1, Groups C & D (hazardous locations). See WD-570 for control drawing.
*Materials and specifications are subject to change without notice. Pressure ratings subject to change due to temperature and other environmental considerations.
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*
Crystal & Case
Polyamide.
Dial
Painted aluminum.
How to Order
Remote Ready Dial (R3D®)
Part Number | Style | Tank |
---|---|---|
5AYSS03393 (bolt-on)
5AYTS03393 (snap-on) |
Jr. | Horizontal or Vertical |
5AWHS03247 (bolt-on)
|
Sr. |
Hall Effect Components**
Model | Style | Wires |
---|---|---|
Contact Rochester | Hall Effect Module (Right-angle configuration) | 6 Feet |
Contact Rochester | Hall Effect Module (Straight configuration) | 6 Feet |
When Ordering Specify:
1. Size (Junior or Senior) and Mount if JR size (Bolt-on or Snap-on).
2. Or part number.
Warning! For gasoline 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.