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Combination pH/Temp Electrode for 2120

Recomended for liquids.…

298mm ID Orion Telescope Tube Rings

Set of two cast-aluminum telescope tube rings with quick-release, hinged clamp knobs and felt lining Use these tube rigns to attach…

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 - 20 ft.

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

Tipping Bucket Rain Collector

Measures rainfall 1/100th inch increments. Self-emptying, tipping bucket design is exceptionally accurate, freeze-resistant and reliable. Meets the guidelines of the…

WatchDog Model 1200 Data Logger

Data Loggers are the cost-effective choice for recording environmental conditions over a period of time. Whether your needs are plant…

Protective Case for Series 1000

Designed for the WatchDog 1000 Series Data Loggers. Water resistant - mounts to pole or post with included hardware. 5…

Soil Moisture Tester 24 in

Maximize Plant Production. Instant results are shown on the analog meter from 0(bone dry) to 10(saturated). 24 in long rod.…

Soil Moisture Tester 9 in

Maximize Plant Production. Instant results are shown on the analog meter from 0(bone dry) to 10(saturated). Measures any type of soil…

ET Gauge

Optimize Your Water Usage. Monitor your crop and soil water loss through evapotranspiration and know precisely when to irrigate. Maintain ideal…

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…

Field Scout Quantum and Foot-Candle Meter

Quantum sensors measure light energy at the specific wavelengths plants actually use for photosynthesis. Research indicates that older lux and…

Field Scout Quantum Meter

Quantum sensors measure light energy at the specific wavelengths plants actually use for photosynthesis. Research indicates that older lux and…

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

Replacement EC Probe (8")

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Zero Image Focuser

Meade Zero Image Shift-Electronic Micro-Focuser for LX200 with AutoStar II is optional telescope accessory for the 8", 10", 12",14" telescopes…

Wireless Long-Range Repeater with Solar Power

For those who wish to send weather data much farther than 1,000' (300 m), the Wireless Long-Range Repeater can extend…

Eyepiece Zoom 4000 8mm-24mm (1.25") Meade

The Meade Series 4000 Zoom is an excellent addition to telescopes of all types, brands, and price levels, whether 60mm…