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Food & Lab

Water Quality Meters

Salt


Specifications

MODEL

B-721

Measurement principle

Ion electrode method

Minimum 
sample volume

0.3mL or more*1

Measurement range

0.1 to 10% by weight

Display range

0.00 to 25% by weight*2

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

Calibration

Two-point*3

Accuracy

±10%(Reading value).*4

Functions

Auto range change・Temperature compensation・Waterproof*5Reading locking ・Automatic power off (30 minutes)

Display

Custom (monochrome) Digital LCD

Operating
temperature/humidity

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

Power

CR2032 batteries (x2)

Battery life

Approx. 400 hours in continuous use

Main Material

ABS epoxy

Dimensions
/Mass

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

*1 Smaller amount(0.05mL or more) can be measured with the sampling sheet B.  (Please close the light shield cover. If a sample that contain particulate, please use ”Sampling sheet holder” (sold separately))
*2 When the measured value is out of the measurement range, the displayed value blinks. It should be used only as a guide.
*3 Selectable between one-point and two-point calibrations. 
*4 Repeatability in measurement of a standard solution after calibration using the same standard solution.
*5 IP67:no failure when immersed in water at a depth of 1 meter for 30 minutes. But the product can not be used underwater.