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Lab Stand
Affordable, adaptable lab equipment for serious scientists with laughable budgets. The basic stand is heavy black metal 8" long x 5" wide x 1" high with a 19-1/2" x 3/8" dia support rod screwed into it. Position a beaker or bunsen burner on the stand and build the configuration you need above it. Both of the Burette clamps and the ring attach to the rod with thumbscrew clamps. The Burette clamps have wing nuts so they can be adjusted to any angle. The single clamp extends 4" from the rod, with rounded, uncoated, adjustable metal jaws with spring tension and a wing nut. The double clamp like it has rubber-coated jaws. The 3" metal support ring holds the 6" x 6" heavy-gauge steel-mesh burner screen with crimped edges. Nice, solid equipment at a rare price.
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88192 3" RINGSUPPORT RING | |
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91831 6" X 6" SCREEN | |
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88597 DOUBLE CLAMP | |
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88195 LAB STAND | |
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88186 SINGLE CLAMP |
Don't Drink The Water!
At least until you know what's in it. And don't let the kids drink it either. This well-designed test kit from Watersafe® offers detailed instructions and the supplies needed for a school science project or science fair, but it can also be used for checking unregulated wells, water sources for campsites, etc. Our 7-way water test kit includes checks for bacteria, lead, pesticides, nitrites, nitrates, pH and chlorine hardness levels. Each box includes (4) tests per parameter, complete instructions, an interactive CD that aids in reporting and displaying your data and is backed up by a manufacturer's website.
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92687 WATER TEST KIT |
Litmus Paper
Chemically treated paper strips to test for acid or base (alkaline) solutions. Use the blue for acids, the red for bases. The more sophisticated pH test paper strip indicates pH from 1 (bright red) to 14 (dark brown). Values in between can be read by comparing with a color chart that comes with the strips. All have (100) strips of test paper per vial.
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88217 BLUE LITMUS PAPER | |
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88219 HYDRION PH PAPER | |
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88218 RED LITMUS PAPER |
Probe Something Hot
With a good-quality digital probe thermometer from Sper Scientific. Measures -50° to 200°C and -58° to 392°F in 0.1 degree increments. The red-plastic case measures 3-3/8" x 1" x 9/16" with a 3-1/2" long pointed metal probe. The LCD readout is 1-1/4" x 1/2" and the unit comes with a replaceable button cell battery and a click-on probe cover. Has min/max, temperature hold, and last-reading functions, and the probe (but not the LCD) is submersible.
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93000 PROBE THERMOMETER |
Measuring pH
This handheld pH meter from Hanna Instruments measures 0-14 pH to 0.01 resolution, accurate to +/- 0.2. Calibration screw for 7.01, and another for 4.01 or 10.01 pH. The unit is 6-3/4" X 2" X 15/16" OA, with a 4-digit 1-1/8" X 1/2" LCD readout, and a replaceable 4-1/8" long x 9mm dia probe that screws into the case. Comes with a tip cover for the probe and (2) button-cell batteries. Don't forget to order the 20mL foil packs of pH 7.01 Buffer Solution, with a chart listing the specific pH of the solution at various temperatures. Made for laboratory or industrial use only, it has a tolerance of +/-0.01 pH at 77°F. Also from Hanna Instruments.
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93009 BUFFER SOLUTION | |
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92999 PH METER |
Tweezers Of The Gods
Almost big enough to pick up mortals: 10" long, 15/16" wide, with a mouth that rests open at 1-3/16". Stainless steel, non-magnetic tip, with a smooth, ungrooved tip that's .046" wide. Good for giant splinters, crafts, jewelry, electronics, or sushi.
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93236 10-INCH TWEEZER |
Scope Your Stethos!!
Stethos is Greek for chest. Indeed you can scope your stethos with this stethoscope, or your friend's or your dog's. But it works equally well for picking up any sound being transmitted through a solid medium. Listen to the air flowing through the heating ducts, the water in the pipes, the sounds of machinery, the termites munching on the floor joists!! The color does vary so we will select from what's currently available. We've had blue, teal, red, black, burgandy, green and purple, but there may be other colors yet to be seen! A great discovery device whether for biology or other pursuits. Not of professional quality, but not just a toy.
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11077 STETHOSCOPE |
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Care To Mix It Up?
Our magnetic mixer is made for use in a laboratory, but could also be handy if you like your martinis stirred, not shaken, and your arm is tired after a long day at the lab. The unit is 4-3/4" square x 1-7/8" thick (you top it with the appropriate beaker), and stir speed is adjustable from 100 to 1,000 rpm. Capacity is 1 liter and the stir bar is included with the unit. The 4-1/2 ft power cord plugs into a standard wall outlet. Made by Hanna Instruments.
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92998 MAGNETIC STIRRER |
It's A Snap
Every lab needs one: this spring-loaded metal pincer lets you rotate a glass tube against a cutting blade, then press down to snap the tube just where you want it snapped. Simple and precise, for tube diameters from tiny to 1-1/2".
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91921 GLASS TUBE CUTTER |
Convertible Stethoscope
What a price for a Sprague Rappaport stethoscope! And the improved model, at that! The 30" long stethoscope can be easily configured for (5) different functions, replacing other styles. It comes with (1) large and (1) small diaphragm, (3) different sizes of bell-type chestpieces, (3) sizes of eartips, and instructions for use. The interchangeable parts are in a compact, clear-plastic carrying case that fits into a pocket. Tubing will be assorted neon colors (our choice).
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92083 S/R STETHOSCOPE |
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Vibrato To The Max
We like this Sonic Wave Ultrasonic Cleaner, and we've been able to price it very attractively. The white-plastic cleaner is 8" x 5-1/4" x 5-5/16" OA, with a 600 mL stainless steel cleaning well. Submerge jewelry, lenses, shaver heads, small machine parts, etc., in water approx 5-3/4" x 3-1/2" x 1-1/2" deep that cleans by vibrating 42,000 times per second. It has a hinged, see-through lid, a removable plastic tray, a 3-minute automatic timer, and an attached 4-ft cord.
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92393 ULTRASONIC CLNR |
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