HORIBA ScientificFOLLETOS-HORIBA
LAQUAtwin pH-22 pH Meter
This is the only pocket meter that measures pH directly in a 0.1ml sample (or 0.05ml with sampling sheet B). Its unique flat sensor copes with viscous liquids, solids and even powders.
Calibrating or measuring needs no beaker: put a few drops of standard or sample on the sensor and read. That saves time and keeps valuable sample from being wasted.
What it measures
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Torn between two models?
Ask on WhatsApp- Measurement principle Glass electrode
- Minimum sample volume 0.1ml (0.05ml with Sampling Sheet B)
- Display Custom (monochrome) digital LCD with backlight
- Operating temperature 5 to 40°C
- Operating humidity 85% or less relative humidity (no condensation)
- Power CR2032 batteries (2)
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Overview
Features
- Minimum sample volume: 0.1ml (0.05ml with sampling sheet B)
- Up to 3 calibration points
- Shows pH and mV
- Automatic calibration with automatic recognition of USA and NIST pH buffers
- Automatic temperature compensation
- Auto stable / auto hold measurement
- Auto power off after 30 mins
- Low battery indicator
- IP67 dust and waterproof rating
- Replaceable sensor
- 400 hours of battery life in continuous use without backlight
- Material: ABS epoxy
- Display: custom monochrome LCD with backlight
- Operating conditions: 5 to 40°C, relative humidity of 85% or less
- Warranty: 2 years for the meter, 6 months for the sensor
- Packed in a handy carrying case with pH 4.01 and 7.00 buffers (14ml each), 2 x CR2032 batteries, a dropper, instruction manual and quick guide
How the LAQUAtwin pH models compare
All three models (pH-11, pH-22 and pH-33) use a glass electrode and need a minimum sample of 0.1ml (0.05ml with Sampling Sheet B).
- pH-11: 0.0 to 14.0 pH at 0.1 pH resolution; ± 650 mV at 1mV resolution; up to 2 calibration points; accuracy ±0.1 pH
- pH-22: 0.00 to 14.00 pH at 0.01 pH resolution; ± 650 mV at 1mV resolution; up to 3 calibration points; accuracy ±0.01 pH
- pH-33: 0.00 to 14.00 pH at 0.01 pH resolution; ± 650 mV at 1mV resolution; up to 5 calibration points; accuracy ±0.01 pH; temperature display from 0 to 50.0 °C and temperature calibration from 5 to 40.0 °C
Common specifications
- Display: custom (monochrome) digital LCD with backlight
- Operating temperature: 5 to 40°C
- Operating humidity: 85% or less relative humidity, non-condensing
- Power: CR2032 batteries (2)
- Battery life: approx. 400 hours in continuous use without backlight
- Dimensions: 164 × 29 × 20mm, not counting projections
- Mass: approx. 55 g including sensor and batteries
- Functions: auto calibration, auto buffer recognition, auto temperature compensation, temperature calibration (pH-33 only), auto stable / auto hold measurement, auto power off (30 mins), switchable backlight, low battery indicator, IP67 dust and waterproof, replaceable sensor
Specifications
| Property | Value |
|---|---|
| Measurement principle | Glass electrode |
| Minimum sample volume | 0.1ml (0.05ml with Sampling Sheet B) |
| Display | Custom (monochrome) digital LCD with backlight |
| Operating temperature | 5 to 40°C |
| Operating humidity | 85% or less relative humidity (no condensation) |
| Power | CR2032 batteries (2) |
| Battery life | Approx. 400 hours in continuous use (without backlight) |
| Dimensions | 164 × 29 × 20mm (excluding projections) |
| Mass | Approx. 55 g (including sensor and batteries) |
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