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Laxco™ Handheld Digital Salinity Refractometer

Laxco™ Handheld Digital Salinity Refractometers are portable, reliable and accurate. Ideal for checking the salinity of aquariums or sodium concentrations

Supplier:  Laxco™ RHDP201

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Catalog No. RHDP201

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Includes: Digital refractometer, Rubber grip, prism cover, calibration fluid, hard shell case, battery, Applicator, Manual



Laxco™ Digital handheld Refractometers are designed to fit into the palm of your hands, and easy to operate. Their compact design allows them to be taken anywhere you need them to go with its IP65 ingress protection water and dust. .

Each unit is inspected in the United States by a factory qualified technician under a ridged quality control process to insure its accuracy, and performance.



  • Compact, lightweight design for easy portability
  • Automatic Temperature Compensation to prevent inaccurate readings due to temperature fulgurations.
  • Stainless steel prism well for great protection and easy cleaning
  • Easily switch between C°/ F° readings
  • IP65 rating for protection against water and dust
  • 589.3nm LED for easy readings in any low light situation, and increased accuracyPowered by a single AAA battery
  • Battery-saving mode automatically powers unit off after 1 minute of inactivity
  • Requires 4 to 5 drops sample size for micro-volume detection
  • AFM technology measures the sample 15 times, and displays the mean value
  • Large digital display, allows for easy-to-read measured values, temperature, and battery life all on the display
  • Removable grip for easy cleaning
  • Hanging strap to prevent accidentally dropping the unit
  • Single button calibration with distilled water
  • 4 rubber feet allow for the unit to sit firmly and securely on most surfaces without causing scratches to the unit or the surface it is sitting on
  • 1-Year warranty



Whether you are in Aquaculture, Food processing or wildlife management Laxco™ Handheld Digital Salinity Refractometers are designed to measure salt levels in water and other saline fluids accurately and repeatedly.

Warranty and Services

2 years



1.330 to 1.4200
Distilled water
NaCl Salinity 0.1%; Salinity 1%; SP. G. 0.001; RI 0.0001nD
NaCl Salinity 0.1%; Salinity 1%; SP. G. 0.001; RI 0.0001nD
2 sec.
Salinity, Aquaculture, Food processing, Willdlife management
0.2 lb.
25 x 58 x 121 mm
121 mm
2.28 in.
5 years optical and mechanical, 1 year electrical from date of purchase
0 to 28% NaCl Salinity, 0 to 28% Salinity, 1.0 to 1.217 Specific Gravity
>0.2 mL
NaCl Salinity ±0.2%; Salinity ±2%; Specific Gravity ±0.002; Refractive Index ±0.0003nD
Salinity NaCl
Digital refractometer, Rubber grip, Prism cover, Calibration fluid, Hard shell case, Battery, Applicator, Manual
90 g
4.76 in.
25 mm
58 mm
0°C to 40°C
1xAAA Battery


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