- Details
- Category: Water Quality Meters

ORP meter with durable flat surface ORP electrode and high resolution of one millivolt..
Memory | 15 readings |
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ORP | -999 to 999mV |
ORP Basic Accuracy | ±4mV |
ORP Max Resolution | 1mV |
Certifications | CE |
Dimensions | 1.4 × 6.8 × 1.6" (35.6 × 172.7 × 40.6mm) |
IP Rating | IP57 |
Power | 4 × CR-2032 (3V) batteries |
Warranty | 2 years |
Weight | 3.8oz (110g) |
- Details
- Category: Water Quality Meters

Rugged waterproof (IP57) housing with a flat surface electrode for measuring pH in liquids, semisolids, and solids. Unlike standard glass bulb electrodes, it does not crack or clog its joints. The sensor is easy to replace and ideal for usage in the field or laboratory.
pH | 0 to 14.00pH |
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pH Basic Accuracy | ±(0.01pH + 1d) or ±0.2pH |
pH Max Resolution | 0.01pH |
Temperature (Contact) | 32 to 194°F (0 to 90°C) |
Temperature (Contact) Basic Accuracy | ±1.8°F (±1°C) |
Temperature (Contact) Max Resolution | 0.1° |
Certifications | CE |
Dimensions | 1.4 × 6.7 × 1.4" (36 × 170 × 36mm) |
IP Rating | IP57 |
Power | 2 × CR3032 (3V) button batteries |
Warranty | 2 years |
Weight | 3oz (85g) |
- Details
- Category: Water Quality Meters

The Extech PH7-P includes two bottles of 7 pH buffer solution. Comes in convenient pint-sized plastic bottles.
- Details
- Category: Water Quality Meters

The Extech PH4-P contains two bottles of four pH buffer solution. Comes in convenient pint-sized plastic bottles.