Blumat Tropf-Blumat Sensors – Standard and Maxi for Drip Irrigation

Blumat Tropf-Blumat Sensors – Standard and Maxi for Drip Irrigation

The Tropf-Blumat sensor is the centerpiece of the Austrian Blumat irrigation system. It is a porous ceramic cone that is buried in the growing medium and allows more or less water through depending on the soil moisture: when the medium dries out, the cone opens the passage; when it is moist, it closes it. All this without electricity, a pump, or a timer.

Available in Standard and Maxi versions, and in a 2-unit blister pack or 1 unit with Tee format to expand an already assembled system.

⚠️ Important: water comes out through the Ø3 mm tube, not through the cone. The ceramic cone only acts as a regulator: it measures the moisture of the growing medium and opens or closes the passage of water, which always discharges through the Ø3 mm tube.

Key features

• Automatic regulation: the ceramic cone opens or closes the passage of water depending on the actual moisture of the growing medium.
• One sensor per plant: at least one per plant, with a watering radius of approx. 20-25 cm.
• Two sizes: Standard for pots less than 30 cm high and Maxi for pots 30 cm or taller.
• Water comes out through the Ø3 mm tube: the cone does not drip, it only regulates.
• Expandable: up to 5 distributors per sensor.

How to use it

1. Submerge the sensor in water until the ceramic cone is completely saturated.
2. Stick the sensor into the growing medium, next to the plant, inside its root zone.
3. Connect the sensor's Ø3 mm tube to the Ø8 mm supply line.
4. In the "1 unit with Tee" format, use the included Tee to insert the sensor into an existing Ø3 mm line.
5. Place the outlet of the Ø3 mm tube at the point where you want the water to fall.
6. Adjust the sensor regulator until you find the right watering point for that plant.

What is it compatible with?

These sensors are part of the Tropf-Blumat modular system, which uses two proprietary diameters that are NOT interchangeable:

• Ø8 mm: tube of the main supply line, which carries the water from the tank or tap to the crop.
• Ø3 mm: tube of the sensor downline, which connects the main line to each sensor and through which the water actually comes out.

Each accessory (Tee, union, cap, distributor) is manufactured for one of the two diameters: do not try to mount Ø3 mm parts on Ø8 mm tubing or vice versa. The sensors are compatible with the Tropf-Blumat Set 12 and Set 40 kits and with the rest of the accessories in the range.

Technical specifications

• Brand: Blumat (Austria)
• Type: drip irrigation sensor with ceramic cone
• Standard: for pots less than 30 cm high, with 60 cm of Ø3 mm tubing
• Maxi: for pots 30 cm or taller, longer sensor of approx. 23 cm and 80 cm of Ø3 mm tubing
• Water outlet: through the Ø3 mm tube (the cone only regulates)
• Watering radius: approx. 20-25 cm
• Coverage: at least 1 sensor per plant
• Expansion: up to 5 distributors per sensor
• Formats: 2-unit blister pack or 1 unit with Tee
• Power supply: no electricity or pump

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1. Submerge the sensor in water until the ceramic cone is completely saturated.
2. Insert the sensor into the substrate, next to the plant and within its root zone.
3. Connect the sensor's Ø3 mm tube to the Ø8 mm supply line.
4. If you choose the 1-unit format with a Tee, insert the sensor with the Tee into an existing Ø3 mm line.
5. Place the outlet of the Ø3 mm tube where you want the water to fall.
6. Adjust the sensor regulator until you find the appropriate watering point.