Hydrometer Bath

Hydrometer testing sedimentation testing viscosity testing any other application where visibility of product is required. Suitable industries: Soil testing laboratories, petroleum testing laboratories and water research laboratories.



  • Epoxy coated electro galvanized outer case brushed finish
  • Stainless steel interior which is acid resistant supplied with analogue or digital temperature controller
  • Temperature range of analogue controller is 5C degrees above ambient to 90C degrees
  • Accuracy of +2C degrees
  • Digital controller is above ambient to 99.9C degrees with accuracy of 0.1C degree
  • PT100 sensor for below ambient temperatures
  • Refrigeration controller mounted on bridge plate with hole for thermometer
  • Nickle plated copper heater
  • Robust stainless steel pump unit supplying forced circulation for temperature stability
  • Stainless steel gabled lid available as optional extra fitted with toughened glass viewing window for reading of hydrometer.



  • 6 Place – 160L Unit
  • 12 Place – 190L Unit
  • Bouyoucos Cylinders in 1 Mark (SANS)
  • Bouyoucos Cylinders in 2 Mark (TMH)


Soil Hydrometer, ASTM 152H,

Ideal for determining the specific gravity of soil, meets ASTM specifications. Each hydrometer is calibrated in a triple accredited ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST. Individually packaged with a multi-language Statement of Accuracy indicating accuracy traceable to NIST.


Bouyoucos Cylinder

  • 1 Mark (SANS)
  • 2 Mark (TMH)