$25 - $50

K-8003 Phenols Testing Kit - Vacu-vials Instrumental Kit, 0-8.00 ppm by AquaPhoenix

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

90308-80 Reusable Low-Temperature Labels, Refrigerator, 28 to 54F (-2 to 12C); 10/Pk by Digi-Sense

These self-adhesive reusable temperature labels provide a safe, accurate, easy-to-read means for monitoring low temperatures. Indicating strips use liquid crystal technology to display the current temperature range at an economical cost. Shelf life: 1 year after date of purchase.

• Nontoxic nonhazardous temperature-measuring alternative

*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

C-2511 Chlorine Comparator (ULR) by AquaPhoenix

C-2511 Low Range Chlorine Comparator is a component of K-2511 Chlorine (free & total) ULR CHEMets Visual Test Kit and is designed to be compared against the color formed in R-2511 Chlorine ULR CHEMets Refill. The comparator's range is applicable for many disinfection and drinking water applications. Color standards are pink in color and cover a range of 0-0.20 ppm chlorine (Cl2).

C-7501 Oxygen Comparator (flat) by AquaPhoenix

C-7501 Dissolved Oxygen Comparator is a component of K-7501 Dissolved Oxygen CHEMets Visual Test Kit and is designed to be compared against the color formed in R-7501 Dissolved Oxygen CHEMets Refill. The comparator's range is applicable to many industrial applications. Color standards are pink in color and cover a range of 0-1.0 mg/L Oxygen.

90300-26 Ultra Low Liquid-In-Glass Thermometer; -50 to 50C, Total Immersion by Digi-Sense

These thermometers are inexpensive and safe for use in laboratories, universities, food/beverage, environmental, wastewater, petrochemical, pharmaceutical and many other general-purpose applications. Choose from partial immersion or total immersion thermometers.

Thermometers feature permanently fused markings, blue spirit liquid, white background glass; are also individually serial numbered. Include a ring top and a statement of accuracy supplied by manufacturer.

• Nonmercury blue spirit liquid
• Statement of accuracy

Includes

Ring top and a statement of accuracy supplied by manufacturer.

90300-72 Blood Bank Verification Thermometer; -5 to 20C, PFA Coated by Digi-Sense

Accurately monitor temperatures in freezers, refrigerators, incubators, ovens, and other environments where stability is required. These thermometers are supplied in a media-filled unbreakable plastic bottle and can be removed from the bottle for recalibration. Use the magnetic attachment with pressure-sensitive backing to attach the bottle to a metal wall or door.

Thermometers feature permanently fused markings, blue spirit liquid, white background glass; are also individually serial numbered. Include an statement of accuracy and a triangular-style antiroll fitting.

• An individually serial number is printed on the thermometer stem
• Nonmercury blue spirit liquid
• NIST- traceable statement of accuracy included

MI526-100 Powder Reagents for Total Chlorine (100 tests) by Milwaukee

The Free Chlorine powder reagent kit includes high-quality reagents that are ready-to-use with Milwaukee's MW10 Free Chlorine Meter. The reagents use the DPD Method with a reaction between chlorine and reagent causing a pink tint in the sample. Simply add the reagent to the sample, wait for the reaction to take place and the photometer determines the concentration based on the color. The reagents are designed for use with samples that have an expected maximum range of 0.00 to 5.00 ppm free chlorine.

DESIGN FEATURES

• Free Chlorine reagent replacement kit (100 powder reagent sachets).
• Pre-made reagents for precision and ease of use.
• Marked with expiration date and lot number for traceability.
• For use with the MW10 Meter.

K-3903 DEHA Vacu-vials® (0-2.00 ppm) by AquaPhoenix

18778 2 amp AC Adapter by Celestron

Enjoy your telescope without batteries with this AC adapter! When using your telescope at home or near any wall outlet, you can enjoy hours of uninterrupted observing. Running your telescope off of AC power is hassle-free and much more reliable than other methods, especially in cool temperatures, when batteries can lose charge quickly.

• Power your Celestron computerized telescope from any AC wall outlet
• 2 amp AC Adapter
• Suitable for indoor or outdoor outlets

This 2 amp AC Adapter is compatible with the following Celestron computerized telescopes:

• LCM Series
• NexStar SLT Series
• NexStar SE Series
• SkyProdigy Series
• Advanced Series
• Advanced VX Series
• CPC Series
• CPC Deluxe HD Series

CPC Deluxe HD Series - This adapter is sufficient for most visual observing with a balanced telescope. However, for astroimaging using additional equipment, the 5 amp adapter (product #18780) is recommended.