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Fiberglass. In meters and inches. 6’ tape with brass ends (5/8" wide).

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This is great for soil and general particle sifting. 24 x 16 x 3” with 2mm aperture (2000 micron) to correspond to US Sieve Size 10. Wood frame, steel mesh, great quality and price.

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Estimate vegetation and light levels.
This device estimates the forest overstory. It includes a concave or convex mirror with 37 grid intersections forming 24 squares. Housed in a 3 x 3 x 1” walnut case with instructions on the lid. Includes a leveling bubble for accurate readings. Readings from convex type require a larger sample size.

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Two-color open reel tape measure is easy to read and accurate. Printed in feet, tenths, hundredths and meters. In three lengths - 100' (30 m), 200' (60 m), and 300' (90 m).
Did you know? You can use our measuring reel, a stop watch and an old tennis ball to determine stream velocity. Drop the ball into the stream and time how long it takes to travel a specified length of tape.

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Measure great distances with our top quality trundle wheel. This distance counter features a 30cm rubberized wheel. The unit will fold down to be carried in its included soft bag. The five digit counter will light up with a flip of a switch on the handle to illuminate the numbers in low lighting.

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Easily calculate the height of any tall object using our great new clinometer. Simply aim, squeeze trigger, and view angle of inclination. Use some simple math and you have the height. This is an idea that stems from the Greeks since it’s all about right triangles. This simple measuring tool can be used to determine the angles of slope and height of an object with respect to gravity. It is widely used in surveying, forestry, civil engineering, and even by ski enthusiasts.

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150-foot roll.
This extra high visibility tape is a glow orange color. 150 feet long and 1" wide.

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Pack of 100. These glow orange vinyl flags are 2-1/2" x 3-1/2" each on a 21" stake.

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20 meter line on styrofoam winding float. For use with water samplers and Secchi disks.

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Here's everything your class needs to obtain samples from the bottom of a pond or lake for further study in the lab. What makes this kit unique is the reusable, durable equipment provided - no flimsy throw-aways here. The Mighty Grab (TM), for instance, needs no messenger and can be operated either by hand line or with the included sampling pole. The Wash Bucket has 504 micron mesh for sorting samples to the same standards used by the professionals. We include an armored glass thermometer of high accuracy for taking samples of air and water. Even our wide-mouth sample bottles are made of durable polypropylene and are sqaure in shape so they won't tip or spill.

Kit includes:

• One (1) Plastic Wash Bucket for sorting out the contents with 504 micron stainless steel mesh.
• One (1) armored glass thermometer from -40/+120 degrees Farenheit.
• One (1) sample in a hard or soft bottom of a pond. Features stainless steel scoops. Includes 20 m of 1/8" diameter polyester line on a colorful winding float.
• Twelve (12) 500 mL polypropylene square wash bottles so that groups of students can bring their samples back to the classroom.
• Set of comprehensive teacher instructions.

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This is a complete and economical kit for obtaining samples from flowing water for further study in the lab. The equipment provided is durable and reusable and does not require extensive training. The D-frame net is lightweight and practical, with a 30-inch handle for easy handling by students. Six (6) are provided, so several groups of students can obtain samples at once. The wide-mouthed sample jars (12) are a generous 500 mL in size for holding your sample till you get back to the lab. Constructed of durable polypropylene, they are square in shape so they won't tip or spill. Our turbidity tube is student-sized at 60 cm in length and functions like a miniature secchi disk to measure water clarity. We also provide one (1) armored glass thermometer of high accuracy for taking the relevant temperatures of air and water; and six (6) 500 mL plastic wash bottles for rinsing down equipment in the field.

Kit includes:

• One (1) Turbidity Tube of clear polycarbonate with a centimeter scale on one side and a secchi disk design, 4.5 cm in diameter, on the bottom. The secchi disk design is screwed to a rubber stopper that removes for cleaning
• One (1) armored glass thermometer from -40/+120 degrees Farenheit
• Six (6) D-frame nets 12"H x 11.5"W x 18" Deep
• Six (6) 500 mL polyethylene wash bottles
• Twelve (12) 500 mL polypropylene square wash bottles
• Set of comprehensive teacher instructions

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This is a complete and economical kit for obtaining samples of phyto and zooplankton from lakes and ponds for later study in the lab. The apparatus we provide is durable and reusable. Our basic water bottle needs no messenger. It is constructed of PVC with soft rubber seals and 20 m of line on a styrofoam float that will bob to the surface if dropped. We provide twelve (12) 250 mL sample bottles for transporting samples back to the lab. it has a stainless steel ring and bridle for attaching line. Included are twelve (12) small sample bottles, 125 mL in size, that fit onto the plankton net with the included adaptor. Each group of two students will take a sample, remove their bottle for transporting samples back to the lab, and pass the net to another group of two students. The secchi disk determines turbidity in shallow waters, meets industry standards, and comes with attached line on a winding float. A 5-3/4" long thermometer for taking the temperature of air and water is also included.

Kit includes:

• One (1) secchi disk with line and float
• One (1) -40/+120 degrees Farenheit armored thermometer
• One (1) plankton net 80 micron mesh, 8" in diameter, 20" long
• One (1) basic water bottle, 1.75 liters
• Twelve (12) 125 mL polyethylene wash bottles
• Twelve (12) 250 mL polypropylene square wash bottles
• One (1) 500 mL polyethylene one-piece wash bottle for rinsing net
• Set of comprehensive teacher instructions

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Everything you need to sort through the samples you collect from the bottom of streams, lakes, and ponds. Use in the field to measure and identify the organisms you collect and return them to their habitat, or bring your pre-rinsed samples back to the lab for sorting.

Sampling Kit contains:

• Twelve (12) Small white "critter pickin (TM)" pans
• Twelve (12) Forceps
• Sink sieves, pack of 6
• Plastic vials, quantity of 48
• Twelve (12) Clear plastic rulers for measuring specimens
• Twelve (12) Hand Lenses
• Teasing needles, pack of 12
• Set of comprehensive teacher instructions
• Twelve (12) Insect ID sheet with instructions

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complete and cost-effective student sampling kit that contains everything your class is likely to need to obtain samples of water and plankton organisms, to determine the water transparency index, and to measure water depth up to twenty meters. Contains: (advanced) clear polycarbonate water sampler; Secchi disk and line on float; 5” diameter mouth plankton net in 153 micron mesh with an attached 125 mL sample bottle; thermometer (range -40° F to +120° F) - all in a plastic carry case.

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Everything you need to get started out right. Use in the field to identify the organisms you collect and bring your samples back to the lab for sorting.

Sampling Kit contains:

• "Critter Pickin (TM)" pan
• Clear glass vials, set of 12
• Hand Lens
• Probe / Teasing needle
• Lab scoop
• Entomological forceps
• Basic instructions

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Just the right instrument to take in the field - totally portable, lightweight and almost indestructible. Its simple design, compact size and durable metal construction make it ideal for any weather conditions. This microscope yields 40x or 100x images illuminated by the built-in prism. Threaded, spring-loaded stage clips are secure and easy to use. No gears means it’s virtually maintenance free.

• 10x Huygenian eyepiece with 4x or 10x achromatic objective produces a 40x or 100x image
• Light-gathering Lucite prismto focus ambient light
• Full-size all glass, coated optics
• 25 cm in size
• All metal construction
• No-gear design
• For field work or student use

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Microscope slides are available in packs of 72 or 12 or 5 as shown below. Glass Slide (pack of 72) - clear glass with ground edges, 25 mm x 75 mm x 1.2 mm. Frosted End Glass Slide (pack of 72) - one frosted end. 25 x 75 mm, 1.3 mm thick. Depression Slide (pack of 12) - high quality glass slides with 15 mm wide depression. 25 x 75 mm, 1.3 mm thick.
Ruled Microscope Slide (pack of 5) - each slide has a printed grid of 64-2 mm squares.

Cover slips are sold in packs of 100 each as shown below.

• 18 mm round glass cover slips
• 18 x 18 mm square glass cover slips
• 22 x 22 mm square glass cover slips

Don't forget the lens cleaning tissue to see everything clearly!

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Great for student use. Water resistant to 25 m with 0.025 accuracy.

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Water resistant; 60 minute readout; 0.01 second accuracy.

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12 pack. There's no getting lost in the woods with these metal whistles. 2" long each on a nylon cord.

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This basic orienteering kit is perfect for an introduction to compasses and directions. The kit allows a teacher to demonstrate using an oversize display compass, while the students have accurate liquid filled compasses.. The detailed teacher instructions include many activities including: learning the parts of a compass, learning directions, finding your way, string course, finding a landmark, using maps, and hidden treasure games.

Equipment is provided for 12 students (or 24 student pairs). The following items are included in the Orienteering Kit: (1) Teacher Demonstration Compass (12) Student Compasses (1) Card Set (N,S,E,W) (1) Detailed Teacher Instructions The large Teacher Demonstration Compass is non-functional so that the needle and dial stay in place when it is held up for the group to see. It is clear so it can be used on an overhead projector. The Student Compasses are for use in the Northern Hemisphere. They come with a lanyard and are graduated 0 to 360 degrees in 2 degree intervals. Each has a liquid-filled capsule, declination correction scale, luminous points, and an acrylic base. The base has a 4x magnifier. Additional compasses may be ordered.

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Our Buchner funnel filtering kit is hand pumped and can be used in the field or the laboratory. This kit includes: 500ml filtering flask with sidearm, 90mm porcelain Buchner funnel, large bore rubber stopper to accept Buchner funnel, vacuum pump, 90mm filter paper (pack of 100). Includes instructions.

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This digital thermometer has the following features:

• -50° C to 150°C x 0.1°C LCD display (-58°F to 302°F x 0.1°F)
• Stainless steel stem (115 mm)