$15 - $20

44401 Microscope Calibration Slide by Celestron

Ensure accurate readings from your microscope with the help of Celestron's Microscope Calibration Slide. Also known as a stage micrometer, the Celestron Microscope Calibration Slide is a standard 1" x 3" glass microscope slide that features an etched scale that is 1mm in total length and subdivided into 100 equal divisions.

The stage micrometer fits on your microscope's stage, allowing you to ensure your specimen measurements are correct. If you have a digital microscope and or a traditional microscope with a digital imager attachment, a stage micrometer is essential for calibrating the microscope's software settings. You can also use the stage micrometer to manually measure specimens that are 1/100th of a millimeter or larger, such as microfibers. If you have a non-digital microscope (e.g., Celestron Labs), you can use the stage micrometer to calibrate the microscope's eyepiece reticles and determine the field of view of different objective lens and eyepiece pairings. If you find yourself changing objectives and eyepiece reticles often, using your calibration slide regularly will help you maintain measuring accuracy.

Compatible Microscopes

The stage micrometer works with a wide range of Celestron microscopes and imagers to measure specimens or determine your microscope's field of view.

• Precise stage micrometer glass slide for calibrating your microscope's camera or imager
• 1mm ruler with 100 subdivisions to accurately measure specimens as small as 0.01mm
• Standard 1"x3" slide fits easily on a traditional microscope stage

Non-Conductive Mount Kit

C-3901 DEHA Comparator (round) by AquaPhoenix

C-3901 Low Range DEHA Comparator is a component of K-3902 DEHA CHEMets Visual Test Kit and is designed to be compared against the color formed in R-3902 DEHA CHEMets Refill. The comparator's range is applicable for many boiler water applications. Color standards are pink to purple in color and cover a range of 0-400 ppb DEHA.

94105 Neutral Density Filter, 1.25" by Celestron

The Neutral Density Moon Filter attaches to a 1.25" eyepiece to lower the amount of light entering the eyepiece by 87%. The Moon is one of the most viewed objects in the sky, but you shouldn't be deprived of its features due to brightness. This filter only allows 13% of the telescope's light to reach the eyepiece, making it a lot more comfortable to view. Unlike color filters, the Neutral Density Moon filter affects all colors of the visible spectrum evenly, darkening the image without shifting the color. Some Moon filters are #58 Green filters, and while they work well for cutting glare, they also add an unnatural green cast to the Moon's surface. The Neutral Density Moon filter gives a true color image.

This filter is also great for helping to cut glare and increase contrast when viewing bright planets like Venus or Jupiter, or even to dim bright stars when splitting close double stars. The filter is glass with an aluminum cell that attaches to 1.25" eyepieces and is threaded on both sides so it can be stacked with color filters.

• Reduces brightness and cuts glare, increasing clarity of the Moon, Venus, and bright double stars
• 13% light transmission
• Provides a true color image
• Threads on to any Celestron 1.25" eyepiece

ZE4175-P Zero Oxygen Standard, 500mL by AquaPhoenix

Specifications

• Packaging Type: Poly
• Size: 500 mL

C-7404 Ozone Comparator (round) by AquaPhoenix

C-7404 Round Ozone Comparator is a component of K-7404 Ozone CHEMets Visual Test Kit and is designed to be compared against the color formed in R-7404 Ozone/Chlorine Dioxide CHEMets Refill. The comparator's range is applicable to many drinking water applications. Color standards are pink in color and cover a range of 0-0.60 mg/L Ozone.

90260-46 Pocket Liquid-In-Glass Thermometer; 0 to 220F, Closed Metal Case, Organic Liquid Fill by Digi-Sense

These thermometers are ideal for use in laboratory, biology, chemistry, university, photographic, food/beverage, petrochemical, automotive, wastewater and many other general purpose applications. The protective plastic case protects these thermometers from accidental breakage during use and storage. The section of the case that surrounds the bulb has small openings for circulation. All DURAC Plus® thermometers feature markings that are permanently printed on the glass, blue spirit liquid that has a dark scale contrasts against a white background.

• Non-mercury blue spirit liquid
• Closed metal case

Includes

Rugged metal case with an eyelet at the top for easy suspension

BU5686-P Buffer, pH 6.86, 500mL by AquaPhoenix

• ± 0.02 at 25°C

pH Buffer should be used regularly, typically every day the meter is used to calibrate your pH meters. Pour buffer into a clean separate container and never return used or unused buffer back into the container. Always keep tightly capped and adhere to the expiration date which is printed on the label.

Traceable to NIST

Specifications

• Packaging Type: Poly
• Size: 500 mL
• pH Value: 6.86

Length: 78 inches (2000mm)
Connector: RCA / RCA

18526-32 Type K Economic Bolt On Thermocouple Probe #6 Screw 24" Fiberglass Ext. Grounded Junction by Digi-Sense

The temperature range is for the probe tip only. The handle material may be affected if the probe is rated higher than the handle depending on exposure time, application, and handle material. ABS handles are rated to 220°F (104°C); PVC handles are rated to 200°F (93°C); Stainless Steel handles are rated at 450°F (232°C); Mini Connectors are rated to 392°F (200°C).

• Available in #6 (M3.5) or #8 (M4) screw sizes and different lead lenghts
• Response Time: 2-4 seconds or greater
• Each probe comes with a color coded ANSI mini connector or stripped leads: type J-black, type K-yellow, type T-blue, and type E-purple.
• Custom designs or changes to this product are available upon request

Length: 78 inches (2000mm)
Connector: RCA / RCA

C-8530 Phosphate Comparator (round) by AquaPhoenix

C-8530 Phosphate, ortho Comparator is a component of K-8530 Phosphate, ortho CHEMets Visual Test Kit and is designed to be compared against the color formed in R-8515 Phosphate CHEMets Refill. The comparator's range is applicable to many industrial applications. Color standards are yellow in color and cover a range of 2-30 ppm PO4.