Make our super affordable analog penetrometer your first line of defense against soil compaction. Soil Compaction meters (often called penetrometers) are…
WatchDog A160 Temp/RH/CO2 Logger Measures CO2, temperature and RH LCD display confirms logger operation and displays current…
Computer based dome automation package, hardware and software. Provides complete remote control capability of observatory including slaving to telescope.…
12 VDC electric motor, windlass, and stainless steel cable system for opening and closing shutter on 6 or 10 foot…
Spectrum's sensor captures solar radiation between 300 and 1000 nanometers (nm) to calculate daily light integral with this pyranometer sensor. Range…
Built of tough, corrosive-resistant stainless steel, these pocket-sized testers. Digital easy-to-read displays. Dual mode digital tester features slow updates at…
GPS connection cable for the following FieldScout equipments:
- CM 1000 NDVI Meter
- CM 1000 Chlorophyll Meter
- TCM…
Can be programmed to record in either metric ( mm ) or U.S. ( inches ) of Hg. Standard Sensor: Range: 18.75…
Introducing our newest Irrigation Stations, now including the new WatchDog 1000 Series Data Loggers! Software download requires SpecWare 9 (v9.2)…
Six of Our Best Filters Plus a Hard Case Serious observers who want the best views of all types of…
Inserted into the telescope's eyepiece holder, this Barlow lens doubles the power obtained when an eyepiece is used alone. It…
PST (Personal Solar Telescope) has been awarded a 2004 Best of What's New Award from Popular Science Magazine .. The Personal…
Use with Long-Range Repeater (DA07653 y DA07654) to extend range up to 5,000' in all directions. Each repeater requires two…
For those who wish to send weather data much farther than 1,000' (300 m), the Wireless Long-Range Repeater can extend…
The Sirius EQ-G supports up to a 30-lb. load for all your visual or astrophotographic applications Select from among 42,900 celestial…
Classic entry-level scope at an amazing price Crisp images from the craters of the moon to the edge of the galaxy Big-aperture…