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Horiba LAQUAtwin Compact pH Meter

Accurate pH measurements in a few seconds, from a single drop

Part Number: pH-xx

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Horiba pH 11, pH 22, pH 33 LAQUAtwin Compact pH Meter

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)

Functions

Autocalibration function recognizes standards.
Temperature compensation
IP67 waterproof
Auto hold
Automatic power off（30 minutes）
2, 3, or 5 calibration points, depending on model
Model pH33 displays temperature
All models supplied with calibration solution (pH 4 & pH 7)

MODEL	pH 11	pH 22	pH 33
Measurement principle	Glass electrode method
Minimum sample volume	0.1mL or more *1
Measurement range	0 to 14pH
Range and Resolution (Valid numbers)	0.1pH	0.01pH	0.01pH
Calibration	2-point	3-point	5-point
Accuracy	±0.1pH *4	±0.01pH *4	±0.01pH *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
Accessories included	Standard solution (pH4.01 & pH7.00)(14mL)	Standard solution (pH4.01 & pH7.00)(14mL)	Standard solution (pH4.01 & pH7.00)(14mL)

*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 Repeatability in measurement of a standard solution after calibration using the same standard solution.
*3 IP67：no failure when immersed in water at a depth of 1 meter for 30 minutes. But the product can not be used underwater.