$15 - $20

18526-36 Type J Economic Bolt On Thermocouple Probe #8 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

93402 T-Ring for Nikon Camera by Celestron

A T-Ring is one of the first accessories you will need if you want to take pictures through a telescope or spotting scope. If you have a Nikon SLR or DSLR camera body, the Celestron Nikon T-Ring is the one for you.

In order to use the Nikon T-Ring, remove the lens from your camera, and attach the T-ring in its place, just as you would if you were mounting a lens. The telescope side of the t-ring has threads that will accept a variety of camera adapters, including the Celestron T-Adapter or Tele-Extender. The adapter you choose depends on the type of photography you wish to do.

You can take pictures of terrestrial and/or celestial scenes by using a simple T-Adapter to turn your telescope or spotting scope into a large telephoto lens. The #93633-A T-Adapter is the best choice if you own a Schmidt-Cassegrain telescope with standard rear cell threads. If you have a refractor, the Universal T-Adapter (#93625), with its 1-1/4" barrel insert, is available. There are also special T-Adapters for the EdgeHD optical system: one for the 8-inch EdgeHD (#93644) and one for the 9.25, 11, and 14-inch EdgeHD (#93646).

Prime focus photography is popular for short exposure images of terrestrial objects as well as celestial objects like the Moon.

If you need extra magnification beyond that which your Schmidt-Cassegrain telescope provides, a Tele-Extender (#93643) will allow you to insert an eyepiece inside the barrel before attaching it to the telescope. A Tele-Extender is used most often for high power images of the Moon and the planets.

• This Celestron T-Ring attaches to all Nikon SLR and DSLR camera bodies.
• Sturdy bayonet flange locks in place just like a lens, providing secure contact.
• Attaches to a variety of camera adapters and accessories via standard t-threads.

71213 UpClose G2 10x25 Roof Monocular by Celestron

• High quality monocular at an affordable / economical price
• Multi-coated optics increase light transmission resulting in brighter and sharper images with high contrast levels
• Stylish rubber covered aluminum body protects from rough handling
• Ergonomic thumb indents and finger ridges for extra non-slip comfort and ease of use
• Water resistant
• Soft carrying case
• Binocular straps

Perfect For:

• Bird Watching
• Sporting Events
• Nature & Wildlife
• Hunting
• Travel & ventures
• Concerts & live events
• Boating

EB1775-C Eriochrome Black T Indicator (Triethanolamine), 12mL by AquaPhoenix

• APHA for Water Hardness, 2340-C
• Flammable Liquid/UN 1993

Specifications

• Packaging Type: Poly
• Size: 12 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.

18526-25 Type T Economic Bolt On Thermocouple Probe #8 Screw 12" 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

90260-11 General Purpose Liquid-In-Glass Thermometer; 0 to 230F, 76mm Immersion, Organic Liquid Fill 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.

TDS9523/P Conductivity Solution, 9523ppm,10,000uS, 1Pt. by Sensorex

TDS/Conductivity instruments and sensors must be calibrated together. For a single-point calibration, select the one solution that approximates the expected conductivity or ppm level of total salts. Mixed Salt standards are the most frequently used in the field to sample naturally occurring water sources, boiler feed water, or cooling tower water. Typical river water, well water, or lake water sample will contain a mixture of several different salts. Sensorex Mixed Salt standards simulate a "Natural" mixture of common salt compounds found in these sources. Sodium sulfate, sodium bicarbonate, and sodium chloride salts are blended to provide a representative value. There are certain applications where Single Salt Solutions are preferred. NaCl Solution is routinely used to calibrate instruments measuring Sea Water or brackish water samples. Reagent grade salt and high resistivity DI water is compounded for accurate results. KCI Single Salt Solution may be used with conductivity meters that read directly in Siemens or Ohms. KCI (potassium chloride) is established as an international calibration standard for conductivity measurement. Choose the conductivity calibration solution that is right for your application. CA Residents: Prop 65 WARNING(S)

3002 Test Strips: Chlorine Dioxide, 0-500 ppm by AquaPhoenix

LaMotte High Range Chlorine Dioxide Test Strips, 0-500 ppm, 50/pk

Range: 0, 10, 25, 50, 100, 250 & 500

18526-47 Type K Economic Bolt On Thermocouple Probe #8 Screw 36" 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

TKCASE050 Test Case: Single Parameter holds 4 reagents by AquaPhoenix

Durable molded plastic; test kit box with 4 compartments. Measures 7.75" × 3" × 4.5"