$200 - $300

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

VK24-CK-WSC 24" Cattle Kooler Circulation Fan, Cord, Special Mount, Wired Switch Cord by Schaefer

Reduce heat stress and improve air quality with Schaefer's uniquely designed circulation fans. Unrivaled in the market, these fans are engineered to produce greater air movement and superior cooling no matter the application. You don't hear them. You don't see them. You only feel them!

Also known as Horizontal Air Flow (HAF) fans, these fans move air in a coherent horizontal pattern creating a gentle 'racetrack' air flow pattern needed in greenhouses to maximize heat distribution and humidity control by mixing the air, from ceiling to floor.

Features and Benefits

• Deep guard design for unmatched performance, low noise levels and safety without sacrificing airflow
• Matched high quality motors and blades for maximum efficiency
• Powder coated steel guards for increased durability and corrosion resistance
• Hot dipped galvanized guards on VK12-GA and VK20-GA models for even greater rust protection
• Powder coated steel mounting bracket and power cord included
• Wide variety of mounting options available for flexible and easy installation
• Variable speed controls available
• Misting kits available for even greater cooling
• Two year warranty
• Made in the USA

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

SFT-1200 12" Direct Drive Shutter Style Exhaust Fan by Schaefer

Schaefer shutter-style exhaust fans offer an energy efficient solution to meet low to medium exhaust airflow requirements.

These exhaust fans work perfectly in thin-walled buildings requiring exhaust fans with a low profile such as greenhouses.

Features and Benefits:

• Low profile for thin-walled buildings and where space is limited
• Aluminum blade and rugged PVC shutter for durability and longer life
• Heavy-duty totally enclosed and maintenance free motors
• Mounts flush to the exterior wall
• Available in 12", 16", 20" and 24" sizes

WD-27003-00 Self-cleaning pH Electrode, CPVC Housing, 10-ft Cable, BNC by Oakton

No more solid buildups

• Flat surface prevents buildups, while fluid flow cleans surface for longer life
• Use with most meters and controllers - BNC connector and ATC element work with a variety of units
• Double junction for difficult applications

*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

215640 Chlorine Standard Kits, Secondary (Lovibond) by AquaPhoenix

The verification standard kit for the MD 600 / MD 610 is designed to assure the user of the accuracy and the reliability of the results related to the integrated wave lengths.
The shelf life of the verification standard kit is two years from the date of production, provided that storage and use are in accordance with the instructions provided.

WD-27508-24 Cole-Parmer® Sealed Tuff Tip Electrode, DJ for Orion A by Oakton

Epoxy-body pH electrodes compatible with Orion A-Series meters.

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

USB-002-2B USB 2.0 Videolink for Computers with USB 2.0 Port by Zarbeco

The USB 2.0 Videolink connects a video camera to any laptop or desktop computer with a USB 2.0 port. It provides the same level of performance as an internal frame grabber with a 30 frames/second capture rate at full NTSC 640 x 480 pixel resolution. The USB 2.0 VideoLink supports the popular Microsoft DirectShow WDM format which makes it compatible with hundreds of commercial programs written for that standard.

The USB 2.0 VideoLink includes Video ToolBox software which provides easy access to advanced capture, labelling and measurement functions. With Video ToolBox everything happens on the live image -- making inspection faster and more efficient. Label, markers, freehand notes, time stamps and measurements are all seen right on the live image. Hit the capture button and get a permanent record for archiving.

Features

• Input S-Video or composite
• Display live video at VGA resolution up to 30 frames/second
• Manually adjust brightness, contrast, hue and saturation
• Zoom-in (without jaggies) on the live image
• Video ToolBox Software to capture, record, annotate, measure still images, movies or time-lapse sequences
• Capture images directly into your favorite image-editor for further enhancement and annotation
• Measurement tools on the live video image

Applications

• Microscopy (brightfield, darkfield, fluorescence)
• Astronomy
• Image Documentation
• Surveillance and Security
• Mobile Imaging
• Photo ID Systems
• Video conferencing and Webcasting

Specifications

• S-Video or composite video input
• NTSC or PAL format
• Pixel Size: 640 x 480 pixels at up to 30 frames/second (for NTSC)
• Software: Drivers: DirectShow and TWAIN compliant, Capture Program: Video ToolBox

Computer Requirements

• Windows 2000/XP/VISTA/7/8
• Free USB 2.0 Port
• DirectX 8.1 or greater
• Pentium III 1.0 GHz or faster (P4, 1.5+ GHz recommended)
• 128 MB of Free Memory (256+ MB recommended)
• Video card with 16 MB of video RAM, minimum 800 x 600 resolution at 16-bit (65,000 colors)

Suggested Products

• GPS
• Foot Switch
• Video Averager
• Particle Analyzer
• FocusLock

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

WD-35660-64 DO200 Replacement DO Tip by Oakton

For your convenience, cables, electrodes, and replacement parts are available for your Oakton meters.

• Suitable for use with Oakton 200 series meters and meter kits
• Replacement DO tip for DO electrodes 35660-60 and 35600-62. DO electrode sold separately.