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Frequently Asked Questions

How should I store my conductivity sensor if there is danger of freezing?

FAQs Recommended Practices
When freezing is possible, we recommend that the conductivity sensor be stored dry. Remove larger droplets of water by blowing through the cell. Do not use compressed air, which typically contains oil vapor. Attach a length of Tygon tubing to each end of the conductivity cell to close the cell ends. See Application Note 2D: Instructions for Care and Cleaning of Conductivity Cells for details.
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How often must an electrodeless conductivity sensor be cleaned?

Foxboro | Products | FAQ Conductivity
Frequency of cleaning is dependent on the application. Sensors used in clean streams may only need cleaning once every several months. Sensors in contact with high consistency streams (paper mill causticizer, aluminum mill digester, etc.), may require cleaning as often as once a week or more.If the sensor donut becomes coated with a measurable level of solid material, or if the sensor bore becomes plugged, the measurement value will be compromised.
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What installation requirements exist for an electrodeless conductivity sensor?

Foxboro | Products | FAQ Conductivity
Ensure that the flow is not so high as to cause cavitation (air bubble formation). Cavitation does not occur below about 10 ft./sec. flow rate. As with any analytical sensor, install in a location that offers a sample that is representative of the process. Avoid installations where mixing and reacting are occurring.
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What is conductivity?

Bluelab : Frequently Asked Questions
Conductivity is an electrical measurement of the total soluble salts contained within an aqueous solution. Pure water does not conduct electricity.
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What about freezing with an open system?

Radiantec : FAQ Frequently Asked Questions, Radiant Heat, Sy...
Freezing does not harm Radiantec tubings so the real issue is the possibility of freezing damage to the rest of your home. An open system cannot operate if it is frozen. An open direct system can be purged of water by draining or with compressed air. You do not need to get all of the water out.
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Why is my system freezing up?

Frequently Asked Questions
There are several factors that can cause system freezing. Most need to be corrected by your local Lennox Dealer. One thing you can do to prevent or correct this problem is to make sure the filter is clean or replaced. You can check to see if airflow is restricted. After replacing or cleaning the filter, you can speed up the thawing process by turning the system off and turning on the fan. If you have a heat pump system, you can try turning the system to heating mode until the ice has melted.
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What Is The Danger To Humans?

Avian Flu: Frequently Asked Questions - RADIO FREE EUROPE / ...
Avian flu currently poses only a small danger, as the virus does not normally infect animals other than birds or pigs. However, human beings have been infected in Vietnam, Thailand, Cambodia, and Indonesia, although these cases were linked to direct contact with dead or diseased poultry. One case of human-human contact was suspected in Thailand in 2004. There is no vaccine to prevent H5N1 infection in human beings, although there are drugs to treat the illness.
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FAQ
There are several factors that can cause system freezing. Most of these causes need to be corrected by a service call. Give me a call for more information. One thing you can do to prevent or correct this problem is to make sure the filter is clean or replaced. You can check to see if airflow is restricted by a dirty filter or by blocked outlets. After replacing or cleaning the filter, you can speed up the thawing process by turning the system off and turning on the fan.
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How long should my sensor last?

Instrument troubleshooting--Frequently asked questions
Typical sensor life is 2-3 years. This assumes proper maintenance, and infrequent exposure to concentrations well above the intended measuring range of the instrument.
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What is the skin conductivity response?

The skin conductivity response, also known as the electrodermal response, is the phenomenon that the skin momentarily becomes a better conductor ofelectricity when either external or internal stimuli occur that are physiologically arousing. Arousal is a broad term referring to overall activation, and is widely considered to be one of the two main dimensions of an emotional response. Measuring arousal is therefore not the same as measuring emotion, but is an important component of it.
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What is thermal conductivity?

TechFilm | FAQ | adhesives, film adhesives, adhesive films, ...
Thermal conductivity is the measure of how well a material can transfer heat at a thickness per unit area –time and thermal gradient and frequently uses units such as W/M-°K, or BTU-in/hr-ft 2-°F. It is represented by the equation:
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When was the skin conductivity response first discovered?

Nobody knows exactly when it was discovered, but the empirical study of electrical changes in human skin was described more than 100 years ago by Vigouroux and by Fere.
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Is There Any Danger In Using Toothpicks?

Frequently Asked Questions
The occasional use of toothpicks to remove food particles is fine. Long term, vigorous use of toothpicks will cause abrasion of the teeth and gingival recession. Habitually leaving a toothpick in the mouth for long periods of time can cause excessive wearing of the teeth and temporomandibular joint problems. Also, be careful not to break off the tip in your gums.
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Is there danger involved?

ORSANCO - RiverSweep Frequently Asked Questions
RiverSweep 2008 can be a fun day, filled with good company and the knowledge that the river will be cleaner from your efforts. However, you should keep a few things in mind to keep the event free of accidents: Volunteers must sign a waiver of liability, and anyone under 18 years old must have parental permission to participate. An on-site supervisor will be available.
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What about fire danger?

NAIL Forum | Mountain Resource Group
Simply put, cutting the largest trees in a forest and leaving slash (essentially dried, stacked kindling) on the forest floor presents a large fire hazard. The California Regional Water Quality Control Board has studied this NTMP and has made the following comment in their official response to the California Department of Forestry.
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What About The Safety/Danger Of X-rays?

The Chiropractic Zone Tips and FAQ's
In order to determine the type of care needed in this office, a set of initial x-rays are taken and measured. Follow-up x-rays are taken at intervals of 36 visits annual maximal correction has been achieved. This is a very minimal frequency compared to orthopedic surgeons who often take initial, pre-opoerative, immediate post-operative, one-week, one-month, 6 month and long-term follow-up x-rays for surgical cases.
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Is there a mosquito danger from wetlands?

West Nile Virus Frequently Asked Questions- Fairfax County, ...
In naturally occurring ponds where there are frogs, minnows, and dragonflies there is no need to put a larvicide in the water since these animals are natural predators of mosquitoes and keep the mosquito population low.
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What are the danger signs?

tomach probelms including heartburn, constipation, reflux oe...
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When will the danger of frost be over?

University of Nebraska-Lincoln Extension in Lincoln and McPh...
Nobody really knows, but a range is available, from the High Plains Climate Center, for the North Platte ? Broken Bow ? Valentine ? Ogallala area. On average, the last date for a temperature of 32 degrees is May 5 to May 15. However, in the last 15 years some localities in this region experienced freezing temperatures as late as May 31. Remember, too, that local conditions can result in variations of several degrees.
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Is there any danger of overheating?

O.S. Engines - Product Frequently Asked Questions (FAQ)
If the needle valve is closed too much for a lean mixture, the cooling effect by the fuel drops and the engine overheats. In the worst case, the cylinder will seize. Therefore, the needle should be carefully set.
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How should I store it?

EDTA studies
Suppositories should be stored in your freezer and used when frozen as well. Frozen suppositories are easier to insert. Room temperature suppositories will deform upon insertion.
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Frequently Asked Questions at Little River Marine
It is ok to store your Little River shell outside; simply set it down in a set of land racks and strap it down. Others prefer to hang their shell above their car in the garage with a set of ceiling slings. This is especially convenient for quick loading and unloading.
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Frequently Asked Questions - TheRoseDress.Com
We do not have retail stores. We are online store only. We have office/warehouse located in San Jose California, about one hour south of San Francisco.
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What is the accuracy of your sensor?

SEECO Faq's
Current sensing is accurate to +/- .15%, and exceeds industry standards for revenue metering. The accuracy of the current output signal is perfectly linear down to 1% of the rated continuous current. Voltage sensing is accurate to +/- 5% and is used primarily in non-metering applications.
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How do I properly dispose of an old sensor?

Instrument troubleshooting--Frequently asked questions
Dispose of an old sensor the same way you would dispose of an old car battery. Facilities exist in most communities to handle this type of waste. Yes. We do this to serve you better and more efficiently. Please download the form to obtain the RMA here .
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My pots keep freezing up. Should I increase the bath temperature?

Eastern Alloys, Inc.
It is most likely that the metal temperature control is at fault. Check this with a portable immersion pyrometer. First, put the test thermocouple close to the one controlling the bath. If this is OK, move the thermocouple around the bath to see if it is uniform. If is not, you will have to look at the burner position and furnace structure. If the trouble persists when the temperature is correct, it may be due to the alloy composition.
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