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Field Scout Quantum Meter

Quantum sensors measure light energy at the specific wavelengths plants actually use for photosynthesis. Research indicates that older lux and…

Field Scout Foot-Candle Meter

Measure light level in Foot-Candles. This affordable light measurement solution displays immediate light level in terms of Fc (foot candle). Precision photo…

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

Spare pH probe for D-54 Meter

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Full Page Magnifier 2x

Size 7" x 11", Power 2X, Bulk…

Geologic Compass - A

Precision of Plate Level 15'±3'/2 (mm)
Precision of Circular Level 30'±5'/2 (mm)
Reading Error ≤0.5°
Min. Graduation 1°
Damping…

#546 AC Adapter for ETX70 and DS2000

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Lensatic Compass

Precision Lensatic Compass Compass Diameter : 2" Liquid Filled Compass Dial Cover with Sighting Wire Rear Sight Graduated Straight Edges Clicking Bezel Ring with Index Line…

Maping compass with mirror

Maping compass with mirror and lanyard. Includes ruler in inches and centimeters as well as 1:25,000 and 1:50,000 scale. Size…

Lantastic Compass

Land Compass in oil-filled case, with double sacale, magnifying glass, metal case. Gold color.

Size 1.75" Dia.
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Explorer 25x100 Large-Aperture Binocular

It's Like Exploring a Whole 'Nother Night Sky It's the same night sky, all right. But with our jumbo Explorer binoculars,…

Wireless Leaf & Soil Moisture/Temperature Station

Solar-powered station includes transmitter and battery inside weather-resistant shelter. Sensors are sold separately, letting you build the station that matches…

Large Binocular Tripod L-Adapter

Adaptador de Binocular a Tripie Este Adaptador permite montar los binoculares (siempre y cuando dispongan de rosca para adaptador), en cualquier…

Neutral-Density Moon Filters, 13% Transmission

Orion Moon filter reduces glare so you can see more lunar detail and surface features Filter allows transmission of only 13%…