Horiba LAQUA NaCl+ Salt Tester Sodium Chloride Ion Meter (B-721)

In stock

The Horiba LAQUA NACL+ salt tester is designed with an ion selective flat sensor. This meter works by dropping the standards and the sample directly onto the sensor, saving calibration time and money.

Horiba LAQUA NaCl+ Salt Tester Sodium Chloride Ion Meter (B-721)

Main Features

  • The measurement process simply involves placing the sample on the meter's flat sensor
  • Accurate measurements can be taken from samples as small as 0.3mL
  • Automatic range switching gives a wide display range and facilitates highly precise measurements
  • The meter employs a highly selective flat ion electrode that ignores other ions
  • Ultrathin and lightweight, the meter can be easily carried to any location for on-site testing
With the Horiba Salt Tester, sodium chloride concentration is as simple as placing a tiny sample on the meter's flat sensor. Accurate measurements can be taken from a sample as small as 0.3mL. The Model B-721 salinity meter is capable of making accurate measurements of sodium ion concentration from a very small sample size. This meter employs a selective sodium ion electrode that is unaffected by pH and the presence of other ions, enabling the accurate measurement of sodium ion concentrations. The meter's microprocessor converts this information to give a measurement of salt concentration (NaCl%).

Additional Functions

  • Autocalibration function recognizes standards and is user-selectable for either one- or two-point calibrations.
  • Auto range change
  • Temperature compensation
  • IP67 waterproof
  • Auto hold
  • Automatic power off (30 min)


Measurement principle

Ion electrode method

sample volume

0.3mL or more

Measurement range

0.1 to 10% by weight

Display range

0.00 to 25% by weight

Range and Resolution
(Valid numbers)

①0.00 to 0.99 %  : 0.01 %  by weight
②1.0 to 9.9 % : 0.1%  by weight
③10 to 25 % :1%   by weight




±10%(Reading value).


Auto range change, Temperature compensation, Waterproof, Reading locking, Automatic power off (30 minutes)


Custom (monochrome) Digital LCD


5 to 40˚C, 85% or less in relative humidity  (no condensation)


CR2032 batteries (x2)

Battery life

Approx. 400 hours in continuous use

Main Material

ABS epoxy


164mm × 29mm × 20mm  (excluding projections) / Approx. 50 g (meter only, without batteries)

Accessories included

2 CR2032 batteries/1 Pipette/Instruction manual/Quick manual/Storage case/Standard solution
(0.5%、5%)(14mL)/5 pieces of Sampling sheet

Unit Ship Weight: 2 lbs

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