LAQUAtwin Pocket Potassium Ion Meter, Model K-11. HORIBA. Minimum sample volume: 0.3 mL (0.05 mL with sampling sheet B). Measurement range: 4–9,900 ppm (mg/L)/(0.1–250 mmol/L)/2–5,000 kg/10?5 (soil/water ratio 1:5). Resolution: 0–99 ppm: 1 ppm / 100–990 ppm: 10 ppm / 1,000–9,900 ppm: 100 ppm. Accuracy: ±10% of true value. Calibration points: 2. Temperature range: 0–50°C. Temperature resolution: 0.1°C. Dimensions (mm): 164 x 29 x 20. Includes: 150 and 2000 ppm potassium standards, 5 B sampling sheets, 2 CR2032 batteries, dropper, instruction manuals and quick start guide, carrying case.

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Characteristic
Model : K-11
Minimum sample volume : 0.3 mL (0.05 mL with sampling sheet B)
Measuring range : 4 - 9900 ppm (mg/L) (0.1 - 250 mmol/L) 2 - 5000 kg/10a (soil/water ratio 1:5)
Resolution : 0 - 99 ppm: 1 ppm 100 - 990 ppm: 10 ppm 1000 - 9900 ppm: 100 ppm
Precision : ±10% of the actual value
Calibration points : 2
Temperature range (ºC) : 0 - 50.0
Temperature resolution (ºC) : 0.1
Dimensions (mm) : 164x29x20
Weight (Kg) : 55 (sensor + batteries)
Pack (u.) : 1

LAQUAtwin pocket potassium ion (K+) meter offers simple, reliable and fast measurements. It also bring a new dimension to water quality testing and electrochemical analysis. It incorporate a flat electrode, unique in the world, designed with the latest HORIBA technology for micro-volume measurement.

Features:
- Ion Selective Electrode
- Automatic standard recognition
- Changeable low and high calibration values
- Temperature calibration
- Multiplying Compensation (0.01 to 9.90)
- Auto Hold / Auto Stable
- Automatic Power Off (30 min)
- Low battery indicator
- Protection rating: IP67, water- and dust-proof
- Custom (monochrome) digital LCD with backlight
- Battery life of approximately 400 hours in continuous use without backlight
- Replacement sensor available (HRB-00S030)
- 2-year warranty for the meter and 6 months for the sensor

Includes 150 ppm Standard Solution (14 mL), 2000 ppm Standard Solution (14 mL), dropper, 5 sampling sheets B, 2 CR2032 batteries, instruction and quick-start manuals, and storage case.