Apera Instruments GroStar GS3 EC Pen

Lab grade instruments designed specifically for growers!

The GS3 EC Pen includes: 2.77 EC calibration solution (50 ml bottle)

• Measures conductivity EC, PPM (500), PPM (700) and temperature
• Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance
• Titanium alloy sensor designed for high accuracy EC measurement
• Easy-to-use design and fast calibration adjustment
• Large 3-color backlit screen gives you clear information
• Durable structure, IP67 waterproof
• Replaceable Probe
• Powered by AAA batteries with auto off function
• Automatic temperature compensation
• 2-year warranty on pen, 1-year warranty on probe