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This light meter can read any of Spectrum?s light sensors, which come with 6ft/2m cables. Just plug in a sensor,…

Extend your long range antenna cable up to to 25′ (7.6 m) with this extension cable. Comes with water-proof junction…

'Klima Logger' professional thermo-hygrometer with data logger

Para control de temperatura (0... +60 °C precisión ± 1 C) y humedad de 0 ... 99 % precisión ±…

(2x) Helping Hand Magnifier

Magnification: 2x Glass Lens Dia: 3.5? The Magnifier, Clips, and Joins Rotate 360° Two Adjustable Arms with Alligator Clips Chrome Plated Heavy Duty Base with…

#928 45-Degree Erect Image Prism (1.25")

Meade Model 928 Image Erecting Prism for Meade refracting telescopes #07217. 1.25" barrel. Produces a correctly oriented image and convenient…

0-2.5V DC Input Cable

Collect data on the output of various devices. Use these input cables to collect data on the output of various electrical…

034B-L Wind Set

El 034B, fabricado por Met One, combina un anemómetro de tres copas y una veleta en un único paquete integrado…

1 1/2" Diameter Compass with 40" Lanyard

Compass Diameter: 1-1/2” Liquid Filled Black Plastic Body 40” Lanyard Included 360° Markings Tranparent Center Great for Camping, Hiking, Fishing, Outdoor Activities etc …

1.25" Orion Basic Rack-and-Pinion Focuser

Precision focuser is ideal upgrade for a low-quality focuser or for home-built scopes Universal base made of durable plastic to fit…

10x & 20x Dual Power Loupe

Dual Power Illuminated Jewelers Loupe: Power 10X & 20X Dia 20mm & 11mm 1 LED Per Lens Requires 3AG10 Batteries (Batteries are Included)…

10x Hands Free Loupe

Power 10X
Hand Free Double Illuminated Loupe on Eye Glass Frame
Loupe Location Can be Adjustable on the Frame
…

10x21mm Jewelers Loupe in Plastic Case, Chrome Round Body

Improve your detailed viewing with this compact easy to use eye loupe optical tool that has powerful 10x magnification. Great…

10x21mm Triplet Professional Quality Loupe, Chrome Round Body

Improve your detailed viewing with this compact easy to use round body eye loupe optical tool that has powerful 10x…

12 V Power Supply with Charging Regulator and 7 Ah Rechargeable

The PS200 is a 12-Vdc battery with a charge controller. The controller manages amperage and voltage for safe, optimized battery…

140mm ID Orion Telescope Tube Rings

Set of two cast-aluminum telescope tube rings with quick-release, hinged clamp knobs and felt lining Use to attach 6" telescope optical…

150 ppm Ca2+ Standard, 6 - 14mL bottles

150 ppm Ca2+ Standard, 6 - 14mL bottles…

150 ppm K+ DI Standard

6 botellas de 14ml Para medidores de Potasio LAQUAtwin B-731 y K-11 …

150 ppm Na+ Standard, 6 - 14mL bottles

Descripción 6 botellas de 14ml Para medidores de Sodio LAQUAtwin B-722 y Na-11 …

15cm Plasma light

Works with 120VAC…

15mm Orion Expanse Eyepiece

This 15mm eyepiece offers a wide field of view and superior optical performance at a bargain price Great eye relief so…