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Handheld Salinity Refractometer




The STX-3 Handheld Salinity Refractometer features the largest, easiest-to-read scale available with clear, sharp figures, screen shading and incredible contrast. This significantly enhances overall precision, even when several different people use the refractometer. The STX-3 also comes with a rubber grip on the body, which blocks the transmission of hand heat to eliminate temperature errors.

With an automatic temperature range of 10 to 30°C, the STX-3 can be used in outdoor environments without the need to re-zero. All measurements are automatically compensated to 20°C. If measurement values shift, zeroing the STX-3 is very simple. The patented "Zero Ring" eliminates the hassle of using a separate tool during zero calibration. Simply place a few drops of distilled water on the prism and turn the "Zero Ring" until the scale is zeroed and secure the setscrew...that's it!

The rugged construction of the STX-3 will provide years of reliable use. The optical glass prism is mounted in an all-metal housing which allows the sample and prism to reach temperature equilibrium quickly. The non-roll stand ensures that once the STX-3 is placed on a table or bench top, it won't be prone to roll off the surface.

Each order comes with a 5-year warranty & includes a zippered vinyl carrying case, plastic transfer Pipette, and instruction manual. 

                                                                                                                                      Key Features & Benefits

  • Large, Sharp Display Scales with high contrast
  • High-quality optical glass material for consistent, accurate readings
  • Durable, industrial-grade design with non-roll stand feature to keep unit secure on flat surfaces
  • Tactical, non-slip Rubber Grip on body to block transmission of hand heat reducing temperature effects
  • Prism encased in all-metal housing allowing sample and prism to reach temperature equilibrium quickly
  • Maximum sample temperature: 90°C (194°F)
  • Five-Year Warranty

                                                                                                                     Specifications Chart

Scale 1 Type Salinity
Scale 1 Range 0 to 100%
Scale 1 Resolution 1%
Scale 1 Accuracy ±1%
Scale 2 Type Specific Gravity
Scale 2 Range 1.000 to 1.070
Scale 2 Resolution 0.001
Scale 2 Accuracy ±0.001
Temperature Compensation 10 to 30°C
Dimensions 7.28 x 1.57 x 1.57 in. (185 x 40 x 40 mm) 
Weight 0.63 lbs.

 


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Customer Reviews

Based on 3 reviews
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A
Anonymous
Used many different brands, this is best!

I have been using Refractometer devices for decades of different brands. This is the easiest to read of any I've used.

J
Jeff
Worth the price

Heavy well built with glass optics. Other cheap refractometers are not nearly as durable. Overall, totally worth the extra cash for this high-quality refractometer.

A
Anonymous
Excellent Refractometer!

Significant quality difference between this refractometer and the cheap alternatives out there. Definitely worth it!