Sight Glass Tank Gauge

  • Provides direct level indication for bulk product tanks or barrels/drums.
  • Liquid level indicated in sight glass matches level in bulk product tank or barrel.

High Contrast Graduated Scale

  • Standard high contrast black on yellow scale insert for accurate and easy reading.

Dual height and flow rate scales

  • Standard 2-band graduated scale provides liquid height measurement (in [cm]) and flow rate¹ (in [L/day]).
  • 55-Gal variant for horizontal 55 gal / 208 L drums provides liquid volume measurement ([L] and [gal]) and flow rate¹ ([L/day] and [qts/day]) on the same rate scale.

Corrosion resistant trims standard

  • Standard wetted parts are stainless steel nipples, borosilicate glass and PTFE seals.
  • Plated steel connections also available.
  • Optional FEPM and PTFE-FKM seals available.


Measuring Principle Sightglass
Connection 2 × 1/2 MNPT + 1/4 FNPT Vent
Process Connection: Std 1/2 NPT, 1/4 NPTF Vent
Process Connection: Valve 3/4 NPT, 1/4 NPTF Vent
Process Temperature -40°C to 80°C
Ambient Temperature -40°C to 70°C
Pressure Atmospheric

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Ordering Information

Most configurations of 1ft increment Series 570 Cooper’s Hawks are in stock and ready to ship.

  1. Specify “Series 570 Cooper’s Hawk Tank Gauge”
  2. Specify Size and Options

See part number matrix on the brochure for more information.

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