ENV-40-ORP ORP Probe Operating principle
ORP stands for oxidation/reduction potential. Oxidation is the loss of electrons and reduction is the gain of electrons. The output of the probe is represented in millivolts and can be positive or negative.
Just like a pH probe measures hydrogen ion activity in a liquid; an ORP probe measures electron activity in a liquid. The ORP readings represents how strongly electrons are transferred to or from substances in a liquid. Keeping in mind that the readings do not indicate the amount of electrons available for transfer.
This ORP Probe can be fully submerged in fresh water or salt water, up to the BNC connector indefinitely.
ENV-40-ORP ORP Probe Typical Applications
Standard lab use
Field use
Soil
Low ionic and ultra-pure water
Strong reducing agents
Samples containing heavy metals
Hydroponics / aquaponics
Beer, wine and other liquor
Food safe
ENV-40-ORP ORP Probe Specifications
| Reads | ORP |
| Range | +/-2000mV |
| Response time | 95% in 1s |
| Max pressure | 100 PSI |
| Max depth | 60m (197 ft) |
| Temperature range | 1 - 80 °C |
| Cable length | 1 meter |
| Internal temperature sensor | N/A |
| Time before recalibration | ~1 Year |
| Life expectancy | 2 Years + |
| Maintenance | N/A |
| Weight | 44 grams |
| Speed of response | 95% in 1 second |
| Dimensions | 12mm x 150mm (0.5" x 6") |
| BNC connector | Yes |
| Sterilization | Chemical only |
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