Bluelab Conductivity Pen – Waterproof EC & Temperature Meter
Compact, rugged, and built for precision, the Bluelab Conductivity Pen is the essential tool for monitoring nutrient strength and temperature in hydroponic and soil-based systems. With selectable units and automatic temperature compensation, it delivers fast, reliable readings to help growers dial in optimal feeding conditions.
Key Features
- Measures conductivity (EC, CF, PPM 500/700) and temperature (°C/°F)
- Selectable units for both conductivity and temperature
- Backlit LCD display for easy viewing in low light
- Calibration optional with successful calibration indicator
- Hold reading function for easy capture
- Low battery indicator and auto-off function
- Automatic temperature compensation for accurate readings
- Fully waterproof and floats in solution
- 1-year warranty
Why It Matters
- Ensures plants receive the correct nutrient concentration
- Helps prevent nutrient burn or deficiencies
- Supports optimal growth across all crop stages
- Trusted by growers worldwide for over 30 years
| Metric | Value |
|---|---|
| SKU | SG-S0026 |
| Brand | Bluelab |
| Model | Conductivity Pen |
| Measurement Range | 0.0 – 10.0 EC, 0 – 50°C / 32 – 122°F |
| Accuracy | ±0.1 EC, ±1°C |
| Units | EC, CF, PPM 500/700, °C/°F |
| Calibration | Optional |
| Battery | 1x AAA (included) |
| Waterproof Rating | Designed to IP67 rating |
| Auto Shutoff | Yes |
| Country of Origin | New Zealand |
| Product Name | BLUELAB CONDUCTIVITY PEN |












