Density & Specific Gravity Meter - D155

Cannon Instrument Company’s fully automated D155 density and specific gravity meter offers an affordable alternative to traditional manual hydrometer methods. It provides simple, one button operation with built-in thermal control to ensure fast, accurate measurement with 4 decimal resolution. The unit meets the requirements of ASTM D1250, ASTM D1298, ASTM D4052 and ASTM D7777.


  • Food and beverages
  • Petrochemicals such as fuels, solvents, fuel oils, crude oil and lubricants
  • Cosmetics
  • Pharmaceuticals
  • Chemicals

Precision and Accuracy in Space-Saving Design

  • Meets the requirements of ASTM D1250, ASTM D1298, ASTM D4052 and ASTM D7777
  • Built-in and stable thermal control allows for fast and accurate density/specific gravity measurements
  • Offers 4 decimal resolution
  • Compact, lightweight oscillation-type densitometer measures density, specific gravity and API degrees

Simple, Automated Operation

  • The instrument can be calibrated with pure water*
  • Single button operation can replace manual hydrometer methods while delivering results in around 2 to 4 minutes
  • The whole testing process can be automated from sample injection (if using optional peristaltic pump), to temperature equilibrium and final density measurement
  • The next sample being introduced triggers a flush of previous sample residue, thus eliminating the need for flushing solvents


  • Tests samples with maximum viscosities of ~1000 mPa·s (cSt)
  • Internal memory stores results from the last 10 measurements
  • Sampling can be performed manually by direct injection into the test cell or automatically via use of the optional peristaltic pump
  • Results can be stored on a USB storage device, printed to the optional DOT matrix printer or outputted via the unit’s RS-232C port

* Factory calibration is performed with air

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