Digital Refractometer for Propylene Glycol Analysis

The Propylene Glycol Refractometer is a rugged, portable, water-resistant device that utilizes the measurement of the refractive index to determine the percent volume and freezing point of propylene glycol based solutions.


  • 0 to 100% Volume range with ±0.3% accuracy 
  • 0 to -50°C freezinf point range with ±0.5°C accuracy
  • Dual-level LCD displays measurements and temperature readings simultaneously
  • Automatic Temperature Compensation
  • Easy Measurement: Place a few drops of the sample in the well and press the READ key
  • Alerts the user of low battery power that could adversley affect readings
  • IP65 water protection: built to perform under harsh laboratory and field conditions
  • Readings are displayed in approximately 1.5 seconds
  • Calibrate with distilled or deionized water
  • Sample size can be as small as 2 metric drops
  • Automatic shut-off after three minutes of non-use
  • Stainless steel sample well resists corrosion from salt water
  • ABS thermoplastic casing


  • Temperature Compensation: automatic between 0 and 40°C (32 to 104°F)
  • Measurement Time: approximately 1.5 seconds
  • Minimum Sample Volume: 100 µL (to cover prism totally)
  • Light Source: Yellow LED
  • Sample Cell: stainless steel ring and flint glass prism
  • Auto-Off: after three minutes of non-use
  • Enclosure Rating: IP65
  • Battery Type/Battery Life: 9V/ approximately 5000 readings
  • Dimensions/ Weight: 192 x 102 x 67 mm (7.6 x 4.01 x 2.6")/ 420 g (14.8 oz)

Manufacturer : Hanna Instruments

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Propylene Glycol Refractometer
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Cat.#Description% Volume Range% Volume Resolution% Volume AccuracyFreezing Point RangeFreezing Point ResolutionFreezing Point AccuracyTemperature RangeTemperature ResolutionTemperature AccuracyMfg.#PriceQuantityEstimated Availability
746-155-04Digital Refractometer for Propylene Glycol Analysis0 to 100%0.1%±0.3%0 to -51°C (32 to -59.8°F)0.1°C (0.1°F)±0.5°C (± 1.0°F)0 to 80°C (32 to 176°F)0.1°C (0.1°F)±0.3°C (±0.5°F)HI 96832$246.75 EA  
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