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A Corker
There's a tool for everything. Think post-hole diggers for a model railroad layout. All right, all right. Think cork borers for all those solid corks and rubber stoppers in laboratories, the ones that need holes for glass and rubber tubing. Our each is a set of (3) 3-3/4" long brass tubes with sharpened ends and red-plastic T-handles. Diameters are 9/32", 7/32" and 5/32". They're nested on the 4-3/4" pin used to clear the plug from the tube.
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92051 CORK BORER |
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Counter Cultures
Be the first kid on the block to grow your own penicillin. This vial of powdered agar contains enough for 10-12 plates, 1/8" deep. It includes instructions (for cooking up the agar, not for growing penicillin). Order our package of (20) sterile petri dishes (Item #52554), and knock their socks off at the next science fair.
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91883 AGAR |
The Graduates
"Plastic..." A quad of blue transparent measuring cups. Identical in shape, but with varying capacities, we hope they will go out into the world and benefit society, your lab or your home, each in their own way. The 250 ml and 125 ml cups are graduated in 25 ml increments; the 50 ml, in 10 ml; and the 25 ml, in 5 ml increments. Ranging roughly from 1-1/2" dia x 1-1/2" tall to 3" dia x 3" tall, all have pour spouts, handles with peg holes and nest inside one another; Sets of (4), you'll receive (2) sets. Handsome and utilitarian, they are ready to take stock in themselves, working for and within your community!
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23923 BLUE MEASURING CUPS |
Squeeze 'n' Squirt
Inside the lab, it's a standard translucent-white, LDPE-plastic wash bottle, 500ml/16oz, measuring 2-3/4" dia x 6-3/4 tall with a screwcap and a right-angle, 5/16" dia nozzle. Outside the lab, it's so pleasing to squeeze and squirt with that some of us keep them in the kitchen.
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92961 WASH BOTTLE |
Sper Quality Meter
This handheld environmental quality meter with sound combines an anemometer (5 modes, 0.9 - 67 m/h range), hygrometer (10% - 95% RH), thermometer (ambient 32°F - 122ºF), sound meter (35 - 130 dB) and light meter (0 - 2,000/1,800 - 20,000), and can read any type-K thermocouple probe (-148°F - 2372°F). From Sper Scientific, the 10" x 2-3/4" x 1-1/8" meter weighs only 12 ounces. Displays results on a dual LCD. Features low-battery and out-of-range indicators, touch-tone buttons, min/max, hold functions, and auto power off. Comes in a soft carrying case. Includes an RS232 port, easel back, tripod screw, and (6) "AAA" batteries. Additional specifications are available upon request.
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94156 6-IN-1 ENVIRONMENTAL QUALITY METER |
Conductivity Pen
This stable and easy-to-use conductivity pen from Sper Scientific is a compact 6-1/2" x 1-1/2" x 1-1/2" and weighs only 2-1/2 ounces. Measures microsiemens (0 - 1999) or millisiemens (0 - 19.99) and temperature ( 32°F - 122°F). View the parameter being measured and the temperature (C° or F°) simultaneously on a large LCD display. Has waterproof housing will float if dropped into water. Features one-hand operation, automatic temperature compensation, 2-pt calibration, low-battery indicator, hold function, and auto power off. Comes with built-in probe with a protective cap, and (4) LR44 button cell batteries. Additional specifications are available upon request.
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94165 SPER SCIENTIFIC CONDUCTIVITY PEN |
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