🌟 Finally precise measurements everywhere!

Bluelab OnePen 3in1 / BT - Your mobile precision assistant

3 minutes instead of 15 minutes - Bluetooth makes the difference!

🎯 Why choose OnePen?

✅ More time for important projects
3-in-1 measurement using innovative Bluetooth technology

✅ Impressive mobility
Bluelab quality on the go

✅ Relaxed precision
pH/EC/Temperature in one device

✅ Proud of perfect values
Precise measurements for optimal yields

🌟 Smart Features

🏆 3-in-1 functionality
pH, EC and temperature in one device

📱 Bluetooth connectivity
Data transfer via app

🎨 Intelligent design
Compact and precise at the same time

🌱 Sustainable cultivation
Optimal nutrient control mobile

🎯 Your mobile precision system is waiting

Imagine: While others have to fiddle with multiple devices, you measure pH, EC, and temperature with a single device. The Bluelab OnePen does the work for you – 3-in-1 functionality with Bluetooth transmission and laboratory precision. Finally, time for the important things in life!

Areas

🏠 At home
Perfect for hobby hydroponics

🌱 On the go
Mobile measurements everywhere

🔬 Professional
Proven in commercial installations

📱 Smart Control
Bluetooth data transfer

💬 OnePen experience

"The Bluelab OnePen is fantastic! 3-in-1 measurement with Bluetooth—finally everything in one device. The portability is unbeatable!"

- Michael S., Mobile Hydroponics

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📋 Detailed information

🚀 What makes the Bluelab OnePen so special?

The Bluelab OnePen is more than just a meter—it's your ticket to mobile precision measurement. Its 3-in-1 functionality allows for pH, EC, and temperature measurements with a single device. The result: perfect control with maximum mobility .

🎯 Who is the OnePen perfect for?

Ideal for mobile users, hydroponic professionals, and anyone who values ​​Bluelab quality . Whether you're measuring on the go, need precise readings, or want professional control – the Bluelab OnePen makes it possible.

⚙️ How does the 3-in-1 technology work?

The device measures pH, EC, and temperature simultaneously and transmits the data to your smartphone via Bluetooth. The app displays real-time values ​​and saves measurement history – intelligently and reliably . You have complete control over your nutrient solution at all times.

🌱 Which applications benefit the most?

Perfect for: Mobile hydroponics, nutrient solutions, DWC systems, NFT systems, field measurements , and any application where mobile pH/EC/temperature monitoring is essential. The Bluelab OnePen offers unparalleled flexibility, especially for mobile measurements.

📄 More information

Care and operating instructions: 📋 Bluelab OnePen Instructions PDF

Detailed information on calibrating, maintaining, and getting the most out of your OnePen 3-in-1 meter.

📋 Professional specifications

🛡️ Trust & Guarantee

✅ Bluelab Premium
Proven measuring instrument quality for years

🔄 Reliable
Precise, durable and mobile

🌱 3-in-1 specialist
Perfect for mobile precision measurements

🌟 Start your mobile measuring adventure!

3 minutes instead of 15 minutes of measurement time, less device chaos – while your measurements are perfectly recorded with Bluelab quality and Bluetooth technology!