Displaying 61 to 80 (of 194 products)
Ideal for testing irrigation water, pesticide water or dairy rumen pH
New Professional Grade Meter
The dual-action sensor guard protects the…
UV Illuminated Jewelers Loupe:
Power 15x
Doublet Lens
Lens Dia 25mm
Plastic Body
2 Super bright white LED Bulbs
1 UV Bulb
UV Wavelength: 390-395nm
Requires 3AG10 Batteries…
Descripción
Sensor de repuesto para los modelos B-722 y Na-11
Solo requiere un volumen de muestra de 0.3 ml (0.05 ml con…
Put the power of a laboratory right in your hands
New “Professional Grade” Meter
Measure nutrient solutions, soils, greenhouse soilless media, water…
Sensor de repuesto para los modelos B-731 y K-11
Solo requiere un volumen de muestra de 0.3 ml (0.05 ml con…
A precision meter that can be taken directly to the field
New “Professional Grade” Meter
Measure calcium in nutrient solutions, water samples,…
Mapa de las estrellas del cielo nocturno a todo color, posiciones claramente indicadas de los 600 mejores objetes celestes para…
Tube Balance Weight Systems permit the balancing of heavy or long-lever-arm accessories attached to the eyepiece-end of the telescope. Each…
A must-have for safely observing the sun and sunspots without damaging your eyes4.57" Inside diameter optical glass filter fits snugly…
The MagniLoupe Headband from Carson Optical is an adjustable soft rubber strap that provides comfort during extended use. For use…
La siguiente generación de monitoreo del clima está aquí con el Kestrel 5500.
Este medidor Kestrel lo hace todo. El Kestrel…
Lupa Frontal Multi-Aumento con luz, aumentos tipo gafas: 1x, 1.5x, 2x, 2.5x y 3.5x
Lupa Frontal con luz dirigible. Es fácil…
The LX600 is a simple to operate, portable package that makes taking great astrophotos as easy as focusing your camera…
The LX600 is a simple to operate, portable package that makes taking great astrophotos as easy as focusing your camera…
The LX600 is a simple to operate, portable package that makes taking great astrophotos as easy as focusing your camera…
Contains 60 glow mini stars and double-sided adhesive tapes.…
Jigsaw Puzzle , 1000 pieces
Item Size: 19.25 x 26.5 in…
Recycle a soda can and turn it into a cool robotic bug. Switch it on and watch it vibrate causing…
Build this amazing and wind generator and learn about renewable energy. Watch the LED glow as it is powered by…
Experience the power generated by this easy to assemble lightweight super propeller racer. It is by far the best gadget…
Displaying 61 to 80 (of 194 products)