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Soil Moisture Transducer - R

Adapts to new and exisiting Irrometer tensiometers. Allows the use of the dial gauge for real-time measurements. Maximum of two…

External (Soil) Temperature Sensor - 6 ft.

Use to measure soil, air or water temperature. Range from -30 degrees to 100 degrees C. Accuracy is +/-1degree F.…

Barometric Pressure Sensor Std.

Can be programmed to record in either metric ( mm ) or U.S. ( inches ) of Hg. Standard Sensor: Range: 26"…

Barometric Pressure Sensor Extended Range

Can be programmed to record in either metric ( mm ) or U.S. ( inches ) of Hg. Standard Sensor: Range: 18.75…

Irrometer Tensiometers 24 in Model R

Mimic Root Conditions To Monitor Soil Moisture And Tension. Reliable Irrometer Tensiometers are excellent indicators for irrigation scheduling. With three depths…

Irrometer Tensiometers 18 in Model R

Mimic Root Conditions To Monitor Soil Moisture And Tension. Reliable Irrometer Tensiometers are excellent indicators for irrigation scheduling. With three depths…

Quantum Light Sensor

Three cosine corrected Quantum sensors (spaced 4.6in/11.7cm) average their readings to minimize the effects of small shadows such as below…

Quantum Light Sensor

Three cosine corrected Quantum sensors (spaced 4.6in/11.7cm) average their readings to minimize the effects of small shadows such as below…

This light meter can read any of Spectrum?s light sensors, which come with 6ft/2m cables. Just plug in a sensor,…

The Sun

Jigsaw Puzzle , 1000 pieces Item Size: 19.25 x 26.5 in
Image size: 19.25 x 26.5 in…

ShortTube 80-A Refractor Telescope

Orion ShortTube 80-A Refractor Telescope Upgraded version of our popular ShortTube 80 refractor, configured for astronomical…

MagniRule

MagniRuleT is a clear acrylic, distortion-free 1.5x magnifier ruler. Perfect for home, office, or school! Scaled in inches and centimeters.…

8" LX200-ACF f/10 UHTC

The most widely used research telescope on earth now comes with the most advanced optical system in space. Meade′s all…

UltraBlock Narrowband Light-Pollution Filters

The UltraBlock is the filter for deep-sky observers located at highly light-polluted sites Blocks all forms of light pollution Enhances the sky…

Par de anillos 100mm

Par de anillos 100mm para tubo Guia. El Par de anillos para tubo guia tiene un diametro interior de 100mm. Estos…

Orion Sirius Plossl Telescope Eyepieces

This 40mm eyepiece is ideal for all types of telescopes: reflector, refractor, and catadioptric Offers a 43 degree apparent field…