Hzyyier measuring device for dissolved oxygen do-measuring device digital display warning with a low battery high accuracy for aquariums (without backlight)

Key Benefits

• 💧 Dissolved Oxygen & Temperature — Measures both dissolved oxygen levels and water temperature with built-in microcomputer processor for accurate data calculation and compensation.
• 🔄 Removable Probe Design — Features a replaceable probe with 6 protective covers included for easy maintenance and extended sensor life.
• 📊 Digital Screen Display — Clear digital screen display makes data reading convenient and includes automatic shutdown after 8 minutes of inactivity.
• 🌡️ Temperature Compensation — Built-in temperature compensation accounts for how oxygen solubility changes with temperature, atmospheric pressure, and salinity variations.
• 🐠 Aquarium & Pool Use — Suitable for monitoring dissolved oxygen in aquariums, swimming pools, and ponds.