Bluelab OnePen – 3-in-1 pH, EC & Temperature Meter with Bluetooth Connectivity
Product details
| Management number | 250625494 | Release Date | 2026/09/17 | List Price | US$76.98 | Model Number | 250625494 | ||
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| Category | |||||||||
Premium 3-in-1 pH, EC & Temperature Meter for Advanced Growers
The Bluelab OnePen is the next-generation handheld meter designed for growers who demand precise, reliable measurements of pH, Conductivity (EC/PPM), and Temperature. Built with a durable IP68 waterproof rating, replaceable multi-function probe, and Bluetooth integration, the OnePen provides consistent nutrient insight for hydroponics, coco, soil, and runoff testing.
Connect to the Edenic app to sync readings, store data, share measurements, and monitor your grow from anywhere—making the OnePen a complete digital nutrient management system.
Key Features & Benefits
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3-in-1 Measurement Tool
Accurately measures pH, EC/PPM, and Temperature simultaneously. -
Replaceable Multi-Function Probe
Long-lasting, double-junction pH design with a probe health indicator for optimal accuracy. -
Advanced Bluetooth Connectivity
Connect to the Edenic app for remote viewing, data logging, exporting, alerts, and updates. -
High-Contrast Backlit Display
Ergonomic design with clear, simultaneous pH and EC readings on-screen. -
Multiple Conductivity Scales
EC, CF, PPM 500 (TDS), PPM 700. -
Temperature Options
Switch between °C and °F easily. -
IP68 Waterproof & Dustproof
Built for demanding grow environments and long-term durability. -
Fast, Precise Readings
±0.05 pH accuracy with 0.01 pH resolution and quick temperature compensation. -
Made in New Zealand
Industrial-grade components including titanium electrodes and rugged sealing.
Product Specifications
| Category | Detail |
|---|---|
| Model | OnePen |
| Measurement Types | pH, EC/PPM, Temperature |
| pH Range | 0.0 – 14.0 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.05 pH |
| EC Range | 0–10.0 EC, 0–100 CF, 0–5000 ppm (TDS), 0–7000 ppm (700 scale) |
| EC Resolution | 0.01 EC |
| EC Accuracy | ±0.1 EC |
| Temperature Range | 0–50°C / 32–122°F |
| Temperature Accuracy | ±1°C |
| Temperature Compensation | Automatic |
| Ingress Rating | IP68 waterproof/dustproof |
| Connectivity | Bluetooth 5 (Low Energy) |
| Signal Range | 10 meters (33 ft) |
| Power | 2× AAA batteries |
| Certifications | CE, FCC, IC, UKCA |
| Operating Environment | 0–50°C (Do not store outside this range) |
| Warranty | 2-Year Limited Warranty (6 months for probe) |
What’s Included
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1× Bluelab OnePen (Replaceable pH/EC/Temp Probe)
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3× Calibration/Storage Solution Sachets (pH 7.0, pH 4.0, KCl)
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1× Bluelab Sensor Cleaning Brush
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2× AAA Batteries
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User Manual
Warranty, Returns & Shipping
Warranty:
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2-Year Limited Warranty
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6-Month Probe Warranty
Returns:
Returns only accepted for warranty-related issues.
Lead Time:
Receive this item in 3–7 days.
Warehouse:
Ships from Happy Hydro.
Why Choose Bluelab at Happy Hydro
Bluelab is the global standard for precision nutrient testing, delivering lab-grade accuracy and long-term reliability. Happy Hydro provides fast fulfillment, expert support, and guaranteed authentic Bluelab products—trusted by hydroponic, indoor, and commercial growers worldwide.
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