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Vol. 7, No. 3 Summer 2020 HANOVER PA FREE
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Manufacturer of thermocouples, RTD's, and thermistors and distributor of instrumentation and controls for temperature, pressure, level, flow, pH, RH, flame and gas detection and heaters for almost any application. We also carry chart recorders and chart paper and pens as well as paperless recorders, data loggers, pumps, valves, and motors, and industrial oils, solvents, lubricants and PPE. Here is a link to our website www.whcooke.com
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Click to follow us on social media
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Summer PPE Sale
Masks, Gloves and more
see below
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Hanover's Great Debate
Which will you choose?
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W. H. Cooke & Co., Product Lines
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Ohms Law and how it can help you
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Hello,
Summer is here! The warm weather has arrived in Pennsylvania and business is also heating up. Things are picking up again after many weeks of a slowdown which is very encouraging. We are looking forward to seeing many businesses opening again in our area and across the Country. We remain vigilant with our sanitizing and safety measure and are utilizing some of the PPE products that we also sell including masks. We have masks and other PPE in stock, and we have made it a priority to stay competitive with our prices and order minimums so that we are amongst the lowest prices in the USA for in stock PPE products. As our prices from vendors get better, so will our prices to our customers. We want to not just be your supplier of PPE during this pandemic, but your supplier of PPE on an ongoing basis. If you find a lower price on PPE in stock in the USA and ready to ship same day let us know and we will do our best to beat that price. Below you will find some of the inventory that we have in stock as well as other products that we can source. Please let me know if I can help. Thanks, be safe, and enjoy your Summer.
Best Regards,
Wayne Cooke Jr.
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Disposable Mask
$.60/ea
25pc. min.
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XL Vinyl Gloves 3.5 mil
$15/box
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Hand Sanitizer
$39/Gallon
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Pump
FOR GALLON ONLY
$5/EA
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Hand Sanitizer
(with pump)
$5/16.9oz.
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Stick-on, Disposable
Forehead Thermometer
$75/box of 100
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Reusable Forehead
Thermometer
$2/ea
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W. H. Cooke & Co., Inc. Line Sheet
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We have been receiving some great positive feedback with the Flir C2 Pocket Thermal Imaging Camera. It is the smallest standalone thermal imaging camera on the market and is accurate in the range of 14°F to 302°F. It can be used in a multitude of applications including doing your own thermal surveys of breaker boxes, control panels, heat or cooling loss around ovens or coolers, etc.
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Many of our customers have standardized on our heavy duty cords for their sensors. Not only are the cords more rugged than typical lead wire, many can stretch up to 6 feet or more which is much more convenient than having a long lead wire dragging around behind you which can get snagged or damaged.
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…but seriously, W. H. Cooke & Co. can supply calibration and bump gases at very competitive pricing. Upon request, we can even include a prepaid label on the bottle so that when you are finished with the canister, you can put the empty bottle back in its shipping tube, slap the label on it and ship it back at no charge!
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Ohms Law and how it can help you
Ohms law is named for a German physicist Georg Ohm, and it states that the voltage across a resistor is directly proportional to the current flowing through the resistance. A simple formula, Ohm's law, is used to show the relationship of current, voltage, and resistance. V=IR
V = Voltage in volts
I = Current in amps
R= Resistance in Ohms
This can also be expressed as R=V/I, and I=V/R.
To find the Voltage, ( V ) [ V = I x R ] V (volts) = I (amps) x R (Ω)
To find the Current, ( I ) [ I = V ÷ R ] I (amps) = V (volts) ÷ R (Ω)
To find the Resistance, ( R ) [ R = V ÷ I ] R (Ω) = V (volts) ÷ I (amps)
To find the Power (P) [ P = V x I ] P (watts) = V (volts) x I (amps)
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The continuous movement of electric charge through the conductors of a circuit is called a current and it is often referred to in terms of “flow,” just like the flow of a liquid through a pipe. The force motivating charge carriers to “flow” in a circuit is called voltage. Current tends to move through the conductors with some degree of friction, or opposition to motion. This opposition to motion is called resistance. Sometimes these relationships are shown as this nifty cartoon.
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The relationship of voltage, current, and resistance is used to define nearly every circuit that is made, whether something as simple as the light you turned on when you got up this morning, the switch on your coffee maker, or the computer that you reading this on now.
I understand you probably do not design coffee makers, computers, or even light bulbs, but knowing this can help. Since you only need to know two of the three components of Ohms law to figure out the third, lets give you a practical use. Maybe you are setting up a heater on a line and want to know if the relay from the controller that is rated 5 amps can turn on the heater or if you need a larger external relay to switch the load. The heater you have is 1500 Watts and your supply power is 240V. Divide the power, 1500W, by the voltage, 240 = 6.25 amps. 6.25 amps exceeds the 5 amp rating of your controller relay, so now you know you need a larger, external relay or SCR to turn on the heater.
Another common example would be you have a heater in a piece of equipment that has been running for years, and you want to be sure you have a spare heater. The problem is when you pull the heater out of service to inspect it, there are no markings as to what it is or who made it. Or maybe there were, but they are all burnt over and unreadable, what are you going to do? Well, of course you can use Ohms law.
What do you know about the heater… maybe you have it hooked up to 240V single phase supply voltage. If you measure the amperage draw of the heater, you now have I or the current draw of the heater. Lets say you measured 8.33 amps. Using ohms law you can now calculate the wattage of the heater since you know the supply voltage (V) and current draw (I) of the heater: P=V * I 240V X 8.33A= 2000W, so now you know you need a 2000 watt heater at 240V as a replacement.
I should mention the above calculation only works with single phase power. If you are using 3 phase power, this is a whole different calculation and is not covered here.
There are tons of ways you can use Ohms law. I will not bore you with any further examples here, but I will share a tip. Remembering all the various combinations of V=IR, or R = V/I can be tough. I mostly use an online calculator to do the math for me. One can be found here. All you need is 2 or more of the variables. http://www.ohmslawcalculator.com/ohms-law-calculator
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The Famous Hot Weiner vs. Texas Hot Lunch
Hanover's Great Debate
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"The Famous Hot Weiner is a tradition that began in 1923 when Nicholas E. Mavros opened Hanover's first fast food restaurant and continues today!" They have two locations in Hanover, and recently opened another location in Spring Grove.
Hanoverians rave over their hot dogs and their "Famous Chili Sauce".
Visit them on FB @FamousHotWeiner
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Texas Hot Lunch, located at 38 Carlistle St, is owned by Tony Plakas, the second generation owner. His father, Jim Plakas bought the business in 1961. Tony is hopeful that the business will stay in the family. His youngest son has some culinary leanings, but he's not retiring anytime soon.
He doesn't just serve up dogs though, he's got Gyros, and breakfast options. He acquired his uncle's crab cake recipe and has added that to his menu as well.
Find more on FB @bestdogsinhanover
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If you ever find yourself in Hanover, you cannot leave without trying both of these town staples. Let us know what you think.
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Puns
Part 3 of a 3 newsletter Punfest
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My dad, unfortunately, passed away when we couldn’t remember his blood type… His last words to us were, “Be positive!”
I wasn’t originally going to get a brain transplant, but then I changed my mind
There was a kidnapping at school yesterday. Don’t worry, though - he woke up
My ex-wife still misses me. But her aim is starting to improve
What washes up on tiny beaches? Microwaves
The guy who invented the door knocker got a no-bell prize
German sausage jokes are just the wurst
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6868 York Rd, Hanover, PA 17331
717-630-2222
team@whcooke.com
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