Rochester Gauges 6543-D36 Side-Mount C/L Gauge
The model 6543 gauge is manufactured by Rochester Gauges in Dallas, TX, USA. The 6543 Series Senior gauges are intended to be mounted on the centerline of the end or side of the tank. The gauge head has a 2-1/2" 4-bolt circle [63.5mm] and is designed to be mounted for use in low-pressure tanks 0-25 psig [0-1.7Bar] containing diesel fuel, gasoline, fuel oil and lubricating oils. Some common applications include construction equipment, stationary generators, boats, farm equipment and home heating.
This model features a 6” fixed support and float arm length for a 36” tank diameter. Each 6500 series gauge ships with a Buna-N gasket and (4) 1⁄4"-28 x 9⁄16" long bolts.
6500 Series Gauge General Specifications:
- Temperature Range: -40°F to +158°F, -40°C to 70°C.
- Humidity: Paint exposed portions of gauge, less dial, for marine applications.
- Shock & Vibration: Suitable for mobile applications.
- Power: 0.5 watts maximum for TwinSite® versions.
- Tank Pressure: Up to 25 psig [1,7Bar]
- Accuracy: Accuracy depends upon proper gauge sizing. Senior dials ±7%, TwinSite® dials ±12%. Accuracy may be less depending upon tank shape. Accuracy may be less near full and empty. Accuracy may be less if the tank is not level. This gauge is not to be used for filling. All accuracy estimates are expressed as a percent of full scale.
Materials of Construction*
- Head: Die-cast aluminum
- Center shaft, Support Tube & Float Rod: Tempered aluminum
- Gears, Cross Stud & Bearings: Stainless steel
- Drive Magnet: Alnico
- Gear Housing: Acetal plastic or Aluminum
- Float: Nitrile rubber
- Gasket: Buna–N, 0015-00004 or 0015-00079
- Direct Reading Dial: Aluminum with acrylic crystal, hermetically sealed.
- Side Reading Dial: Aluminum with polycarbonate crystal, hermetically sealed.
- TwinSite® Sender: Polyamide.
- Mounting Bolts: Zinc-plated steel 1/4”-28 x 9/16” long.
*Materials and specifications are subject to change without notice.
Pressure ratings subject to change due to temperature and other environmental considerations.
Note: For installation instructions see MS-501/502 (mounting standard).