LAQUAtwin pH-11 Pocket pH Meter
The LAQUAtwin pH-11 is a compact, waterproof pocket pH meter designed for rapid pH measurements using as little as 0.1 mL of sample. Utilizing HORIBA’s proprietary flat sensor technology, it can directly measure liquids, semi-solids, pastes, powders, and small-volume samples without requiring a beaker or separate sample container.
Key Features
- Direct pH measurement from only 0.1 mL of sample (0.05 mL with sampling sheet B)
- Unique flat sensor for liquids, foods, soils, creams, gels, and powders
- pH and mV measurement capability
- Automatic calibration with up to 2 calibration points
- Automatic recognition of USA and NIST pH buffers
- Automatic temperature compensation
- Auto-stable and auto-hold measurement functions
- Waterproof and dustproof IP67-rated design
- Replaceable sensor for lower maintenance costs
- Backlit LCD display for easy viewing
- Approximately 400 hours battery life
- Supplied in a protective carrying case with calibration solutions and accessories
Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Principle | Glass Electrode |
| pH Range | 0.0 to 14.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH |
| mV Range | ±650 mV |
| mV Resolution | 1 mV |
| Calibration Points | Up to 2 |
| Minimum Sample Volume | 0.1 mL (0.05 mL with sampling sheet) |
| Temperature Display | 0–50°C |
| Operating Temperature | 5–40°C |
| Operating Humidity | ≤85% RH (non-condensing) |
| Power Supply | 2 × CR2032 batteries |
| Battery Life | Approx. 400 hours |
| Dimensions | 164 × 29 × 20 mm |
| Weight | Approx. 55 g |
| Protection Rating | IP67 Waterproof/Dustproof |
Applications
The LAQUAtwin pH-11 is suitable for:
- Water quality testing
- Agriculture and hydroponics
- Soil and plant sap analysis
- Food and beverage quality control
- Environmental monitoring
- Aquaculture
- Educational and research laboratories
- Production and process monitoring
Standard Accessories
Each meter is supplied with:
- pH 4.01 buffer solution (14 mL)
- pH 7.00 buffer solution (14 mL)
- 2 × CR2032 batteries
- Dropper
- Quick start guide
- Instruction manual
- Carrying case
Optional Accessories
- pH Sensor S010
- Sampling Sheet B (Y046)
- Sampling Sheet Holder (Y048)
- Additional pH buffer solutions
- NIST pH Buffer Solution Kit
Benefits
- Measures samples directly without transfer to containers
- Minimizes sample waste
- Fast, reliable field and laboratory testing
- Portable pocket-sized design
- Easy sensor replacement extends instrument lifespan
- Ideal for both routine monitoring and spot-check measurements
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