$100 - $150

*Please note we can only ship RKI products to customers within the United States

TRUNV2 Truncheon Meter by Bluelab

Displaying all the conductivity scales EC, CF, PPM 500 & PPM 700 on a single line.

Each time you feed your plants it's essential to know the nutrient levels of your solution. Simply done with the Bluelab® Truncheon® Nutrient Meter.

Flashing lights indicate your conductivity reading, which is automatically compensated with the integrated temperature sensor. Removable shroud for easy cleaning.

Meter length: 40cm / 16 in.

Features

• Conductivity range up to 3.6 EC, 36 CF, 1800 ppm 500 and 2520 ppm 700
• Fully waterproof
• Provided with EC, CF, ppm 700 and ppm 500 scales
• Auto on/off function
• No calibration required (factory calibrated)
• Daylight readable blue LEDs, visible in bright or dark environments
• No buttons or switches
• Battery operated (3x AA batteries included)
• Measure while mixing nutrients in your reservoir

44308 Handheld Digital Microscope Pro by Celestron

The Celestron Handheld Digital Microscope Pro is an easy to use, low-power microscope with a 5.0 MP sensor for capturing photos and video of your discoveries. At low magnification, the Handheld Digital Microscope Pro is ideal for viewing stamps, coins, bugs, plants, rocks, skin, gems, circuit boards, and more. You can even view traditional slides at high magnification.

Create high-resolution images, VGA quality video, and time-lapse animations using the included Micro Capture Pro software. You can also take accurate measurements and make notes on your specimens using this intuitive software. An adjustable LED illuminator ensures your specimens are clear and bright, while the fully adjustable, professional stand allows for steady shots even at high magnification.

Intended for the discriminating hobbyist or professional, the Handheld Digital Microscope Pro is well suited for jobs such as entomology, industrial quality control, component inspection, medical investigation, scientific research, and forensics documentation just to name a few.

• True 5MP sensor to capture and save high-resolution images and videos of your specimens
• 5-Element IR cut high-quality glass lens ensures sharper images
• 20x to 200x powers, great for low-power observation of 3D specimens (Note: Final magnification determined by monitor size)
• Professional, adjustable height stand included for hands-free operation
• 4 foot USB 2.0 cable for easy maneuverability when viewing large surfaces
• Intuitive software with measuring features
• Windows and Mac compatible

Included Accessories

• High-quality adjustable height stand
• Celestron Micro Capture Pro Software CD with measuring feature
• Calibration ruler

Measuring Range: -50 to +80°C

*Please note we can only ship RKI products to customers within the United States

*Please note we can only ship RKI products to customers within the United States

WS-120E 22" Aluminum Shutter by Schaefer

12" Schaefer economy aluminum shutters allow airflow in a single direction and are used as building air inlets to feed Schaefer exhaust fans, or on exhaust fans to prevent air entry when the fan is not operating.

Aluminum shutters are built tough for long life in the most demanding environments, all at an affordable price.

Features

• Constructed of heavy-duty brushed aluminum for corrosion resistance and greater durability
• Interlocking louvers for maximum weather protection and lightweight for high efficiency and easy installation
• Tie bar to eliminate shutter flapping
• Shutter motor kits available for automated opening/closing

22030 Travel Scope 80 Portable Telescope with Backpack by Celestron

The Travel Scope™ 80 is a refractor telescope perfect for terrestrial and celestial viewing on the go. The Travel Scope™ can view the planets, moon, star clusters and brighter deep sky objects like the Orion Nebula and Andromeda Galaxy at night. The erect image star diagonal makes the optical tube ideal for using as a spotting scope during the day.

Setting up the telescope is a breeze, so you can begin observing in no time. Even on your first time out, you can assemble the telescope and its accessories in just a few minutes. The adjustable tripod legs allow you to customize the telescope's height or place it on raised surfaces like a picnic table.

The total telescope kit weighs in at just 4.5 pounds-perfect for impromptu observing sessions or transporting wherever life's adventures take you.

• 80mm refractor telescope with fully coated glass optics and a lightweight frame.
• Custom backpack included to store your telescope and accessories comfortably.
• Observe in no time with a quick and easy, no-tool setup.
• Accessories include: two eyepieces (20mm and 10mm), erect image star diagonal, finderscope, and a smartphone adapter.
• Pan handle Alt-Az control with clutch for smooth and accurate pointing.
• Adjustable height tripod.

Manual Alt-Azimuth telescope

Navigate the sky with a pan handle Alt-Az control with clutch for smooth and accurate pointing. Move the clutch in an up/down, left/right fashion to track your object in the eyepiece.

Accessories Included

The Travel Scope™ 80 comes with two eyepieces (20mm and 10mm), erect image diagonal, finderscope, a smartphone adapter, and a travel backpack. The two eyepieces offer different magnifications to view your intended object. The erect image diagonal allows for right-side-up viewing ideal for terrestrial subjects but can also be used for celestial objects. The permanently mounted finderscope will help you quickly center an object in your eyepiece for easier observing.

Smartphone Adapter

Image celestial or terrestrial objects with this smartphone adapter. With its light, rigid frame, this accessory allows you to connect any smartphone to any telescope eyepiece with an outside diameter of 45 mm or smaller. The additional magnification provided by the eyepiece allows your phone to capture great images of the Moon and planets. This smartphone adapter installs easily by clamping over the top of an eyepiece. The smartphone is held in position with the help of tightening knobs that securely lock your phone in place. Some large and/or bulky phone cases (including folio style cases) may need to be removed for the phone to fit in the adapter.

Travel Backpack

A custom backpack comes with your telescope for you to store your optical tube, tripod, eyepieces and accessories comfortably.

Starry Night Software

Download Celestron's Starry Night Software and learn about the night sky, celestial objects, and how to plan your next observing session. Celestron Starry Night Software is the premier astronomy software package on the market, providing resources and knowledge to view our solar system and beyond.

MAC-20F 20" High Velocity Direct Drive Floor Fan by Master

High velocity floor fans deliver fast cooling for localized spaces. Perfect for blowing some refreshing air in the garage, or delivering air to cool a generator. These high velocity fans are an effective way to turn down the heat quickly.

• Heavy-duty all metal construction
• Adjustable direction
• Open motors; not suitable for wet or dusty environments
• 1-year limited warranty

*Please note we can only ship RKI products to customers within the United States