Water Quality

B-711/712/713 LAQUAtwin Compact pH Meter

B-711/712 LAQUAtwin Compact pH meter

Overview

Accurate pH measurements in a few seconds, from a single drop.*
Water pH varies in different environments, and a slight change can often have a major effect.
Whether you need to keep the pH of an aquarium within tight limits, are checking for the acidity of rain water or for the quality of meat and fish products, LAQUAtwin compact pH meters are ideal for you. No matter where and when you need to test.

Applications include:
Fresh water testing (rain, rivers, lakes, hot springs); aquaria; drainage treatment solutions; soil testing for improved agriculture; fermentation and brewing; food freshness testing; research laboratories; QC of medical supplies and cosmetics; preventative dentistry; school education, etc.

* Minimum volume required - 0.1 mL (0.05 mL when using the HORIBA sampling sheet. Additional sampling sheets available from HORIBA as 100pc/box)

B-711/B-712:for non-U.S. market, B-713 for U.S. market only



Functions

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

Manufactured by HORIBA

Specifications

MODEL

B-711

B-712

B-713
(U.S. only)

Measurement principle

Glass electrode method

Minimum
sample volume

0.1mL or more *1

Measurement range

2 to 12pH

Display range

0 to 14pH*2

Range and Resolution
(Valid numbers)

0.1pH

0.1/0.01pH
(Selectable)

0.1/0.01pH
(Selectable)

Calibration

One-point

Two-point*3 

Two-point*3 

Accuracy

±0.1pH *4

Functions

Temperature compensation・Waterproof*5・Auto hold・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(pH6.86)(14mL)、5 pieces of Sampling sheetB

Standard
solution(pH4.01&pH6.86) (14mL)、5
pieces of Sampling
sheetB

Standard
solution(pH4.01&pH7.00) (14mL)、5
pieces of Sampling
sheetB

*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.