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Extech PH90: Waterproof pH-meter
Rugged waterproof (IP57) housing with Flat Surface Electrode for measuring pH in liquids, semi-solids, and solids. Does not break or get junctions clogged like the traditional glass bulb electrodes. Easy to replace sensor is perfect for field or lab use.
Features:
- Rugged replaceable flat surface pH electrode for quick on-the-spot pH measurements
- Simultaneous display of pH and Temperature
- 2 or 3 point calibration automatically recognizes buffer solutions (order pH buffers separately)
- PTS (percent of slope) tells you when it's time to replace your electrode (below 70% or above 130%)
- Automatic Temperature Compensation
- Data Hold, Min/Max, Auto Power Off, and low battery indication
- Waterproof design (IP57) floats in water and protects the meter in wet environment
- Complete with flat surface pH electrode, protective sensor cap, and two 3V CR-2032 button batteries
| Specifications | Range | Max Resolution | Basic Accuracy |
|---|---|---|---|
| pH | 0 to 14.00pH | 0.01pH | ±(0.01pH + 1d) or ±0.2pH |
| Temperature | 32 to 194°F (0 to 90°C) | 0.1° | ±1.8°F (±1°C) |
| Power | Two 3V CR3032 button batteries | ||
| Dimensions | 1.4 x 6.7 x 1.4" (36 x 170 x 36mm) | ||
| Weight | 3oz (85g) |
