HORIBA’s Meters are Compact, Accurate, and Ready for the Field
Meet the HORIBA LAQUAtwin K-11 — the world’s only pocket-type Potassium Ion Meter, designed for quick and precise potassium ion measurements anywhere you go.
Using advanced ion-selective membrane technology and HORIBA’s renowned flat sensor design—refined through over 60 years of sensor innovation—the K-11 delivers fast, reliable readings from just a few drops of sample (as little as 0.3 mL, or down to 0.05 mL with the optional sampling sheet).
No beakers. No wasted samples. Just direct measurement on the flat sensor surface — even for solid, viscous, or powdered samples.
Perfect for research, fieldwork, or industrial testing, this lightweight and waterproof pocket meter makes potassium measurement simpler, faster, and more versatile than ever.
Why You’ll Love It
-
Direct measurement from solids, powders, or drops
-
Tiny sample volume — as little as 0.05 mL
-
Accurate, repeatable results with up to 2 calibration points
-
Compact, IP67-rated waterproof design
-
Long battery life — up to 400 hours
-
Replaceable sensor for extended use
Ideal for:
-
Soil and sap testing to support precision agriculture
-
Food and beverage testing (Note: Only detects ions in water; not suitable for electrolytes in oils. Readings may be influenced by non-target ions.)
Key Specifications
| Feature | Description |
|---|---|
| Model | K-11 |
| Measurement Principle | Ion Selective Electrode |
| Range | 4–9900 ppm (0.1–250 mmol/L) |
| Accuracy | ±10% of actual value |
| Sample Volume | 0.3 mL (0.05 mL with sampling sheet B) |
| Temperature Range | 5–40 °C |
| Power | 2 × CR2032 batteries (approx. 400 hours continuous use) |
| Protection | IP67 dust & waterproof |
| Dimensions | 164 × 29 × 20 mm (approx. 55 g) |
Seven Easy Ways to Measure with LAQUAtwin
-
Immersion – Dip the meter into your sample in a beaker.
-
Drops – Test as little as 0.1 mL of liquid (0.05 mL with sampling sheet).
-
Solids – Measure directly from moist foods or samples.
-
Powders – Add pure water and test directly on the sensor.
-
Paper, textiles, films – Place small cut pieces on the sensor and add water.
-
Wipe – Collect trace samples using a moistened sampling sheet.
-
Scoop – Use the sensor guard to scoop up water samples directly from a river or stream.
More Parameters Available
The LAQUAtwin series doesn’t stop at potassium! Choose from 10 water quality parameters, including:
All using the same reliable measurement principle trusted in laboratories worldwide.
What’s in the Box
-
K-11 Potassium Ion Meter
-
150 & 2000 ppm potassium standards
-
5 × sampling sheets (B)
-
2 × CR2032 batteries
-
Dropper, instruction manual, quick guide
-
Handy carrying case
⚠️ Important Note:
This professional-grade meter contains button batteries and is intended for industrial, professional, or research use only.
It is not for consumer or household applications, and not suitable for environments where children are present.
