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Vetter Grow

Pole mount hygrometer

Pole mount hygrometer

€4,99 EUR
€4,99 EUR
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Pole Holder with Tray for Grow Tent – suitable for 16 mm poles (Thermo-Hygrometer & Accessories)

If your thermo-hygrometer is just "lying around" somewhere, it often measures in the wrong place – too close to the tent wall, directly in the airflow, or constantly in the way. This pole holder with tray brings order to the tent and places measuring devices exactly where it counts: at canopy level, easy to read, and without taking up floor space.

Important: This version is designed specifically for 16 mm grow tent poles (a typical standard for many grow boxes). No wobbling, no improvisation – simply slide/clip it on and you're done. Made in Berlin.

Why this 16 mm Grow Tent Tray is so practical in use

  • Better measurements: Thermo-hygrometer at the right spot instead of on the cold tent wall.
  • Clean & stable on 16 mm: fits perfectly on the frame – no Velcro, no drilling.
  • More order: Measuring device and small parts are out of the way, nothing tips over.
  • Flexible: quickly repositioned when you adjust air circulation/exhaust.

How to use the pole holder correctly (Quick-Setup)

  1. Choose position: ideally on the side at canopy height, not directly in the fan's airflow.
  2. Place on 16 mm pole: Slide/clip the holder until it sits securely.
  3. Place measuring device: Position the thermo-hygrometer in the center.
  4. Allow values to stabilize: After 10–15 minutes, the values usually "settle in."

Tips & Tricks for more accurate climate measurements in the grow tent

  • Not on the tent wall: there you often measure too cool/too humid. Better 10–20 cm distance.
  • No direct wind: Airflow from the clip fan distorts values – mount the tray slightly offset.
  • Find hotspots: In larger tents, two measuring points are worthwhile (top & canopy level).
  • Compare/Calibrate: place several hygrometers next to each other once and note the deviation.

Matching products (internal links)

Scope of delivery

  • 1× Pole holder with tray (for 16 mm poles, color: white)

FAQ – frequently asked questions

Does the holder also fit on 19 mm or 22 mm poles?

No. This version is made only for 16 mm poles. For other diameters, you need the appropriate variant.

What devices is the tray intended for?

Ideal for thermo-hygrometers (temperature/humidity), small sensors, and light accessories. The product photos show a typical setup with a compact thermo-hygrometer.

Where should I place the thermo-hygrometer?

Preferably at canopy height and not directly in the airflow. This way you get the values that are truly relevant for the plant climate.

Where is the holder manufactured?

In Berlin – cleanly produced for use in the grow tent.

Manufacturer Information

Manufacturer:
Robert Vetter Marketing & Vertrieb
Sewanstr. 137
10319 Berlin
Deutschland

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