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Everything you need to measure pH, conductivity and temperature

• Handheld design is compact and convenient
• The backlit display is bright and easy to read
• Designed for nutrient reservoirs, the Bluelab pens are waterproof and float in any solution

Bluelab pH Pen

• Measure pH and temperature
• Double-junction probe and simple, 2-point pH calibration with 30-day reminder

Bluelab Conductivity Pen

• Measure conductivity in EC, ppm 500 (TDS) and ppm 700 scales
• Read temperature in C or °F
• Factory calibrated and ready to use out of the box

Easy-to-use temperature controller with fan speed settings, maintaining temperature precisely and ensuring negative pressure stability.

Durable plastic inline fan, 350 m³/h airflow, Swiss-engineered motor with adjustable speed.

The SMSCOM SPC MK2 8A is a heavy-duty fan controller designed to regulate the speed of both an inlet and exhaust fan to maintain the set temperature and optimum air pressure inside a room. The SPC adjusts the fan speeds automatically to maintain the temperature you set, and allows you to control the maximum and minimum fan speeds.

The SMSCOM SPC MK2 2x16A is a high-performance fan controller designed to regulate the speed of both an inlet and exhaust fan to maintain the set temperature and optimum air pressure inside a room. This model is built for demanding installations, with a power capacity of 16A per unit, allowing it to control higher-powered fans.