US Gauge 575 Submersible Level Transmitter

US Gauge
US Gauge

Key Features:

  • Low cost measurement solution, easy installation and precision accuracy
  • Rugged 316 stainless steel construction and wetted materials resists the corrosive effects of caustic medias with excellent environmental protection, designed for continuous submersion
  • 2 wire, 4 to 20 mA output
  • Reverse polarity and surge protected with additional lightning and surge protectors as well as EMI protection options
  • CSA approved for intrinsically safe operation in hazardous areas in Canada and U.S.
  • Full potting option and desiccant available to minimize moisture effects
Product Options:

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US Gauge’s Model 575 submersible level transmitters are popular hydrostatic level products for fast, reliable level measurement. The unit comes standard with CSA Intrinsically Safe approvals for many different level monitoring needs including lifts stations, inventory tank measurement, ponds, lakes, rivers, landfills, reservoirs, or any type of water treatment facility including power plants, steel mills, mines, industrial chemical plants, refineries, and municipal water and wastewater treatment facilities.

The Model 575 indicates level by continuously measuring hydrostatic level pressure via its sensing element and transmitted by a 4-20 mA signal. This design provides superior linearity and repeatability, low hysteresis and long term stability. The 575 is effortless to install, simply lower the transmitter into the tank, well, or vessel. The 575 has a measuring range of up to 690 feet, but can go in much deeper wells if needed, with thousands of feet of cable, as long as the actual measuring range is 690 feet or less. The unit can be calibrated to any measuring range needed, up to 690 feet.

The has a 316 Stainless Steel housing. The Model 575 comes with a standard nylon snub nose and 316 Stainless Steel diaphragm. Cable options include Teflon or polyurethane, and optional potting is available.

The 575 submersible level transmitter is manufactured in the USA.

Feet of Water0/14, 0/35, 0/69, 0/138, 0/230, 0/345, 0/460, 0/690
Meters of Water0/4, 0/10, 0/21, 0/42, 0/70, 0/105, 0/140, 0/210
Bar0/0.4, 0/1, 0/2, 0/4, 0/7, 0/10, 0/14, 0/20
PSI0/6, 0/15, 0/30, 0/60, 0/100, 0/150, 0/200, 0/300
Output4 to 20 mA, 2 wire, current limited to 30 mA DC
Power Supply12 to 40 VDC with reverse polarity surge protection; limited to 28 VDC for CSA I.S.
Loop Resistance1400 ohms maximum at 40 volts
Temperature RangeGeneral Ambient Operating: -25 to 180°F (-32 to 82°C)**
** CSA intrinsically safe when connected per AMETEK drawing
    BK750535. Temperature code T3C ambient high temperature limit
    (Tamb) = 104°F (40°C) max.
If submerged in a liquid that has frozen, damage will result
Storage: -40° to 180°F (-40°C to 82°C)
Overrange Effect±0.15% full scale at 200% of maximum range
Overrange Limit200% of maximum range
Accuracy±0.25% full scale, BFSL (including linearity, hysteresis and repeatability); ±0.50% full scale
(6 psi range only)
Zero Offset±0.50% full scale set at 77°F (25°C)
Span±0.50% full scale set at 77°F (25°C)
Temperature Effects(15 psi and above)
Compensated: 23° to 130°F (-5°C to 55°C); maximum ±1%
URL output change for ±25°C temperature change within
compensated range when calibrated at 25°C
Consult factory for lower or alternate pressure ranges.
Power Supply Effect±0.005% full scale per volt
ConstructionDiaphragm: 316 stainless steel 57 S and M models,
HASTELLOY C standard on 575F and 575PB
Housing Type: 316 stainless steel
Nut/Washer Type: 316 stainless steel
Cable Grommet: Viton standard
Housing O RingViton standard
Cable JacketPolyurethane (standard)
Media CompatibilityReference materials of construction
Electrical ConnectionAttached 20 gauge polyurethane shielded
cable (standard); unspliced lengths available up to 5000 ft. (1662 m)
Consult control drawing or contact the factory for cable length limits for
Intrinsically Safe (I.S.) use.
Weight1 lb. (454 g) model 575S; 1 lb. 3 oz. (539 g) model 57P with standard base
ApprovalsMeets CSA requirements for intrinsically
safe operation in hazardous locations as designated
by Class I, Div 1, Groups A, B, C & D and Class II,
Groups E, F & G. Temperature Code T3C (when used with approved barrier)
Snub NoseNylon 6/6 or optional 316 stainless steel; removable to a 1/2" female NPT process connection
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  • • Inventory tank measurement
  • • Ponds, rivers and lakes
  • • Lift stations and slurries or sludge
  • • Water/wastewater treatment
  • • Water wells
  • • Landfills
  • • Pump control

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