This portable refractometer features solid-aluminum construction, a rubber-gripped body and automatic temperature compensation. It has a1 1/2" diameter and is 7" long.It is used to measure percent (%) salinity. The refractometer has the following specifications:Resolution: 0.2% Range: 0 - 28%The refractometer was developed for the measurement of salt in sea water. The prism and lens feature a simple focus adjustment and just 2 or 3 drops of...
This portable refractometer features solid-aluminum construction, a rubber-gripped body...
This portable refractometer features solid-aluminum construction, a rubber-gripped body and automatic temperature compensation. It has a1 1/2" diameter and is 7" long.It is used...
611-2275
.It's easy to catch small fish for your research with this effective,low cost device. Just set one in the water in your pond or lake and return at your convenience.125-G10 Gee Minnow Trap This trap is constructed of 1/4" (6.4 mm) square wire mesh that is galvanized for durability. It is 16" (42 cm) long and 7.5" (19 cm) wide with a 7/8" (22 mm) entrance hole.
It's easy to catch small fish for your research with this effective,low cost device....
It's easy to catch small fish for your research with this effective,low cost device. Just set one in the water in your pond or lake and return at your convenience.125-G10 Gee...
3-125-G10
.The only good fish is not a dead one. Keep your fish and samples oxygenated in the field. This quiet diaphragm pump and 24 inches (60cm) air hose can work in an area as small as a 5-gallon bucket. For both fresh and salt water.
The only good fish is not a dead one. Keep your fish and samples oxygenated in the...
The only good fish is not a dead one. Keep your fish and samples oxygenated in the field. This quiet diaphragm pump and 24 inches (60cm) air hose can work in an area as small as...
3-125-F40
.This economical net is perfect for student field studies. Not only is it heavy duty, with an extra strong, three-ply, vinyl covered handle, it is also fabricated of EPA-recommended 500 micron mesh. What more can you ask?
This economical net is perfect for student field studies. Not only is it heavy duty,...
This economical net is perfect for student field studies. Not only is it heavy duty, with an extra strong, three-ply, vinyl covered handle, it is also fabricated of...
3-122-D30
.Replacement overlay for 118-B30 Fish Measuring Board.
Replacement overlay for 118-B30 Fish Measuring Board.
Replacement overlay for 118-B30 Fish Measuring Board.
3-118-L10
.A smaller, more transportable version of our popular Fish Measuring Board. It is accurate, dependable, rugged and lightweight. It has three measuring scales printed on the board to enable you to take accurate measurements: • 0 to 14 inches, 1/8-inch divisions • 0 to 14 inches, 1/10-inch divisions • 0 to 36 cm, 1 mm divisions Wash with detergent or soap, no abrasives or alcohol.
A smaller, more transportable version of our popular Fish Measuring Board. It is...
A smaller, more transportable version of our popular Fish Measuring Board. It is accurate, dependable, rugged and lightweight. It has three measuring scales printed on the...
3-118-E40
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