Fishpond - Riverkeeper Digital Thermometer | Precision for Anglers, by Anglers The Fishpond Riverkeeper Digital Thermometer delivers unmatched precision for anglers who understand how water temperature impacts fish behaviour. Designed specifically for fly fishing, it's the only IPX7-rated digital thermometer built to withstand full submersion and rugged outdoor use.Featuring a durable aluminum probe, UV-filtered screen, and replaceable battery, it provides fast and accurate readings that help you determine optimal fishing conditions and ethical catch-and-release decisions. Compact and easy to pack, the Riverkeeper is a must-have for serious anglers who rely on precision and durability in every tool they carry. To turn the thermometer on or off, hold down the button for 2 seconds. The thermometer will automatically turn off after 3 minutes of inactivity. To switch between °F and °C, quickly press the button three times Submerge thermometer in water and wait for temperature to stabilize If you see the error code "HHH," it means the temperature is above 130°F. If you see the error code "LLL," it means the temperature is below -30°F
