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Thermal Sensor
Heat switch that is normally open below 135° F and closes at higher temperature. Imagination is the limit here. We don't have formal electrical ratings but believe it can handle about 2 Amps @ 120 VAC. It can be used (perhaps with a relay) to trigger a fire alarm when mounted near a furnace, in a garage, or in an attic. How about using it to shut off electronics or motors when overheating occurs? Or to activate a fan for cooling? Use it to record how long the furnace is on to rate its efficiency. 5/8" dia x 3/8" sensor head with (2) 1/4" x 1-5/8" long fixed leads.
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25813 HEAT SWITCH, 135DEG F |
Heating Element
The heating element from a common household iron. Shaped like the base of an iron, 5-3/4" long x 3-3/8" wide, with an open 3-1/4" x 1"center. The element wire is embedded in ceramic, but is still a real fire hazard and will glow red at max temperature. It runs on 120 VAC and has (3) threaded hook-up terminals: the center is neutral, the two sides draw 200 and 400 watts or use both for 600 watts. Surface temperatures: 1250°F with 600 watts (5 amps), 1000°F with 400 watts (3 amps), and 700°F with 200 watts (1.5 amps). For safety's sake, please use it with a heat switch.
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30783 IRON HEATING ELEMENT |
Funnel? Piece of Cake
Two sizes of Bomex separatory funnels with ground glass stoppers and petcocks. The 100ml funnel is 9-1/2" long overall. The 500ml is 14-1/2" overall. An excellent price for basic lab glassware.
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91702 SEP. FUNNEL, 100ML | |
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91703 SEP. FUNNEL, 500ML |
Pressure Gauges
Nice-quality pressure gauges for industrial use, with enough variety to gives you lots of options. Manufactured by Marshalltown. All are metal with glass windows.
| FACE | STEM | |||
|---|---|---|---|---|
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33210 GAUGE, 0-200 PSI | 3-1/2" Dia. | 1/4 NPT Back | |
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33106 GAUGE, PRES. 0-200 PSI | 4-1/2" Dia | 1/4 NPT Bottom |
Squirrel Cage
Nidec's Gamma30 squirrel cage blower has a 25 cfm output. It is 3-13/16" dia x 1-1/4", rated at 12 VDC 650 mA, with (2) power leads and a yellow tachometer lead. (2) mounting holes. Model #A34124-33. New.
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34463 NIDEC BLOWER |
Suction Cup Of The Gods
It's the world's largest rubber suction cup, made for the military for (honest) plugging holes in ships until the guys with the welding torches can take over. In 3/8" thick yellow rubber, it's 24" dia x 5" tall at the center, with a molded bracket at the top. They've got some schmutz on 'em, so a soapy brush is in order, but clean them up and you've got very wind-proof garbage can lids; perfect boat bumpers; gym-floor tie-downs; plugs for 23" drains; the biggest dent-pullers in the universe; a puncture repair kit for your yacht; or the makings of a serious practical joke.
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37075 BIG YELLOW SUCKER |
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