Bluelab OnePen – 3-in-1 Meter for pH, EC & Temperature
Bluelab OnePen is an advanced handheld device that combines pH, conductivity (EC/ppm) and temperature measurement in one instrument. It features an IP68 rating, replaceable probe and Bluetooth connection to the Edenic app. :contentReference[oaicite:11]{index=11}
With high accuracy (0.01 pH resolution), double-junction pH sensor and titanium EC electrodes, the OnePen is perfect for hobby growers and professional hydroponic systems. :contentReference[oaicite:12]{index=12}
Key benefits
- All-in-one instrument: pH, EC/ppm and temperature :contentReference[oaicite:13]{index=13}
- IP68 waterproof & dustproof – built for tough environments :contentReference[oaicite:14]{index=14}
- Bluetooth connectivity to Edenic app for data logging & sharing :contentReference[oaicite:15]{index=15}
- Replaceable probe – extends life and reduces cost :contentReference[oaicite:16]{index=16}
Specifications
- Measurement Range: pH 0.0-14.0; EC 0-10 mS/cm; PPM 500/700; Temperature 0-50 °C :contentReference[oaicite:17]{index=17}
- Resolution: 0.01 pH; 0.01 EC; 0.1 °C :contentReference[oaicite:18]{index=18}
- Power Supply: 2 × AAA batteries :contentReference[oaicite:19]{index=19}
- Water & dust protection: IP68 rated :contentReference[oaicite:20]{index=20}
- Application: hydroponics, soil growing, lab use and large grow rooms