SteriPEN Journey LCD Ultraviolet Water UV Purifier

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Category: Sports
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Equipment Details

Manufacturer: Steripen
Brand: SteriPen
Product features:

LCD Display

Sports reviews of SteriPEN Journey LCD Ultraviolet Water UV Purifier

Customer Review: Handy for disinfecting clear drinking water
Sport shop rating: 4 Stars

Short review:

No method of water treatment is perfect for every situation but for people who will be drinking relatively clean and colorless municipal, well, spring, or bottled water that merely requires disinfection to render microorganisms harmless, the SteriPEN is ideal.

Long Review:

All of the SteriPENs have the same basic mechanism with differences being in form, weight, type of battery, and expected battery life. Some of the models also have LCD readouts. They are sold in different colors and with or without batteries, a storage pouch, filters, etc. The primary difference is between the heavier ones that use four AA batteries and the ones that use two CR123 batteries. The Journey uses the CR123 batteries.

The SteriPEN website provides charts that compare some of the models to each other, a very extensive FAQ, and user manuals. It is well worth spending some time there before choosing a particular model.

Ultraviolet or UV radiation is invisible but the lamp on the SteriPEN also emits energy in the visible spectrum which appears as bluish light. UV must penetrate the water and reach the microorganism and then go through the cell membrane and body to disrupt the DNA molecules and prevent reproduction. UV does not remove the microorganisms or any particulate matter in the water and it does not affect the way water tastes or smells. UV radiation has only been used in the U.S. to disinfect water since 1916 but sunlight was known to disinfect water in ancient Greece and India and UV is now commonly used in municipal water purification plants.

There are four basic methods of portable water treatment: chemicals, filtration, heat, and ultraviolet radiation. A full comparison is beyond the scope of this review but some of the advantages of the SteriPEN are ease of use, moderate weight, and ability to disable viruses that cause hepatitis, gastroenteritis, polio, SARS, etc. in addition to bacteria and protozoa. It is also easy to use and fast at ninety seconds for a liter and under a minute for a half liter. Ingesting added chemicals is avoided.

Some of the disadvantages with a SteriPEN are that the water needs to be clear and colorless because UV cannot penetrate particles and so it may be necessary to pre-filter. Some water, such as that with heavy coloring of tannic acid from leaves, is unsuitable for this method of treatment. The water must be agitated or stirred while the UV is working. It can only effectively treat up to one liter at a time. The battery cap must be aligned properly for the device to work but it will seal in other positions to prevent accidental activation. The batteries may not work very well at low temperatures or may be depleted and the particular batteries (lithium or NiMH, not alkaline) may be hard to find locally or expensive. The unit may be damaged if dropped. UV may not be effective against parasites. There is no residual effect from the treatment as there is with chemicals.

No method of water treatment is perfect for every situation but for people who will be drinking relatively clean and colorless municipal, well, spring, or bottled water that merely requires disinfection to render microorganisms harmless, the SteriPEN is ideal.

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Description of SteriPEN Journey LCD Ultraviolet Water UV Purifier

SteriPEN Journey LCD Ultraviolet Water UV Sterlization Sanitizer System. SteriPEN JourneyLCD Handheld Water Purifier (JY-RP). The revolutionary SteriPEN JourneyLCD uses universal symbols to take the guesswork out of the water purification process. Journey's integrated LCD screen displays the user's dose selection (1/2 liter or 1 liter), battery status and countdown timer. The LCD screen also tracks the number of uses and signals when lamp usage approaches its life limit. At 10,000 cycles, lamp life for SteriPEN JourneyLCD reaches a new high (purify 1 liter 4 times a day for nearly 7 years!). Like all SteriPENs, the Journey is Fast (48 seconds for 0.5 L (16 oz.)), Light (139g /4.9 oz.), Effective, and even easier with it's innovative LCD screen. The Journey mates with the SteriPEN pre-filter and is sized between our Adventurer and Classic. Journey ships with two non-rechargeable (disposable) CR123 batteries. FEATURES: - SteriPEN Journey LCD also features a soft-touch coating, offering a comfortable texture in your hand and scratch resistance in harsh environments - Requires no pumping, chemicals, test strips, extended time-keeping or filters; leaves no aftertaste, will not clog and does not require lubrication - Innovative SteriPEN system uses UV light rays instead of chemicals to purify water for drinking - Ultraviolet (UV-C) light rays safely sterilize clear water by destroying protozoa (including Giardia and Cryptosporidium), bacteria and even viruses - SteriPEN Journey LCD is simple to use: Just press a button and gently agitate the water with a quick stir - Purifies 16 fl. oz. of water (cold or warm) in less than a minute, or 32 fl. oz. in a minute and a half