EXTECH INSTRUMENTEN RE300 ExStik ORP-meter

Brand:Extech Instruments

2.8/5

154.84

VAN DE FABRIKANT De Extech RE300 ExStik ORP Meter meet de ORP/Redox van -999 tot 999mV. Het heeft een automatische elektronische zelfkalibratie en een gesimuleerde analoge staafgrafiek die de verandering in ORP-metingen weergeeft. Het heeft een hoge resolutie van 1mV en een geheugen dat tot 15 metingen opslaat en oproept en het slaat de laatst gekalibreerde waarde op. De gegevensvalidatie-indicatoren laten de gebruiker zien dat de meting gestabiliseerd is en het beschikt over gegevensbewaring, automatische uitschakeling en indicatie voor bijna lege batterij. Deze meter is waterdicht tot IP57, wat de meter beschermt tegen de natte omgeving. De Extech RE300 ExStik ORP-meter wordt compleet geleverd met een ORP-elektrode met een plat oppervlak, een beschermende sensordop, een monsterbeker met een dop, vier 3V CR2032-knoopbatterijen en een 48-inch nekriem. Extech Instruments, opgericht in 1970, is gevestigd in Waltham, Massachusetts, VS, net ten westen van Boston. Extech, dat bekend staat om de breedte en diepte van zijn test- en meetaanbod en zijn sterke distributienetwerk, werd in november 2007 overgenomen door FLIR Systems. De hoogwaardige, handbediende testinstrumenten van Extech Instruments en de infrarood warmtebeeldcamera van het merk FLIR worden verkocht via een netwerk van nationale catalogushuizen, regionale kousdistributeurs, internet en internationale hoofddistributeurs. Het bedrijf is uitgegroeid tot een van de grootste fabrikanten en leveranciers van testapparatuur en draagbare printers en het merk Extech Instruments wordt in veel bedrijfstakken beschouwd als het favoriete merk. ISO 9001:2000 gecertificeerd door TUV, de benijdenswaardige reputatie van Extech is gebaseerd op innovatieve producten die unieke en gepatenteerde ontwerpen bieden met kenmerken, functies en betrouwbaarheid tegen een betaalbare prijs.

Data hold, automatische uitschakeling en lage batterij indicatie. Waterdicht tot IP57 beschermt meter tegen natte omgeving. Gesimuleerde analoge staafgrafiek geeft verandering in ORP-meting weer. Automatische elektronische zelfkalibratie. Meet ORP/Redox van -999 tot 999mV.
Batteries ‎4 Lithium Metal batteries required.
Batteries Included? ‎Yes
Batteries Required? ‎Yes
Country of Origin ‎China
Customer Reviews 3.7 3.7 out of 5 stars 28 ratings 3.7 out of 5 stars
Is Discontinued By Manufacturer ‎No
Item model number ‎RE300
Item Package Quantity ‎1
Item Weight ‎4.2 ounces
Manufacturer ‎Extech
Number Of Pieces ‎1
Part Number ‎RE300
Product Dimensions ‎0.75 x 0.75 x 200.1 inches
Style ‎RE300
Warranty Description ‎Full one year warranty on parts and workmanship, unless otherwise specified. This warranty does not apply to defects resulting from action of the user such as misuse, improper wiring, operation outside of specification, improper maintenance or repair, or unauthorized modification.

2.8

11 Review
5 Star
42
4 Star
24
3 Star
8
2 Star
16
1 Star
10

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Scritto da: RJacobs
Worked great, then malfunctioned
For over a month, this ORP meter performed like a champ. The other day, after submerging about 1/2 into water for a test, the meter refused to "Self Check" when turned back on. After disassembly, I found moisture in the compartment where the module plugs into the stick. Blew out, let dry a few hours and the unit returned to self check properly. Today, the unit failed to self check and, upon calling FLIR, the tech ran me through a "software reset" which did not fix the problem. I was then connected to a CSR who asked for my invoice and said that a new unit would be sent to me ASAP. The service was excellent, i received the new item in a timely manner It would appear that this unit is really not well enough designed for regularly swapping out the ORP module with the pH module and maintaining waterproof status. I recommend that you make sure the unit is tightly assembled upon receipt and, if you need a pH meter, to purchase a separate product. I will use this unit to only check ORP and will not submerge beyond the module locking nut.
Scritto da: Dee
Essential instrument when you want to know total oxidizers
We use handheld testers to verify calibration results on production equipment. I have a full range of these Extech stiks and they work well. Calibration is normally with one standard. Provides a quick and convenient way to spot check ORP in different locations. Very rugged. Instructions are translated from Chinese, but its pretty easy to use. I recommend this range of sticks. Note that I have lots of the Extech sticks for various measurements, I am in the industrial water business, I have bought 20 or more of them as well as other brands. This one particular stick is the first one that has failed. When I received it I did not check out, the sensor is held on with a hand nut, it was not tight, my bad, got wet on the inside and $100 gone, used it once, like it, but the children on the assembly line were either not given food that day or working for 20 hours straight. Hey you probably don't want to believe it but I've been to China a lot, it is what it is. So check the assembly before you use, just in case the nut wasn't tightened properly. They don't like water on the inside.
Scritto da: Prudent Shopper
Purchased the RE300 from T. E. Dep. ...
Purchased the RE300 from T.E.Dep. and was shipped a unit with a dry probe. Unit provided inconsistent and unreliable readings. T.E.Dep. refused to take it back (was at day 45 from purchase) so they brushed me off with the "no returns period" statement and pointed me to the manufacture to get it replaced. Contacted manufacturer and was shipped a replacement probe which turned out to be even more unreliable than the one it was replacing. The replacement unit gives readings all over the place when sampling the same solution over and over. If the probe is left in the sample, it will give a reading of 0mv after about 3 minutes. Contacted manufacturer again (Frank) and was given a "that's interesting" response when I explained the results I was getting. He forwarded me to Tech Support where I ended up in voice mail. I called right back and the lady who answered the phone made arrangements to send me another replacement. If the 2nd replacement works, I'll adjust my rating accordingly. Just received the replacement of the replacement and it too is absolutely unreliable. Soak in distilled water (or tap) for 10 minutes, turn on, swish into solution to be tested, wait 1 to 3 minutes for stable reading. Reading never stabilizes and removing the probe, turning it off and back on again and into the solution gives yet a different reading than the one just before it and it is off by over 50 Mv. The unit is made in china and I'm betting that the age of the probe having traveled that far may have a lot to do with why it doesn't work. It may be simply too old. I'm going after a refund now. I'm sick of wasting my time. When I shell out 100 bucks for a probe, I expect it to work.
Scritto da: Colorado CB
Unreliable
They need to add more In depth instructions. My meter is reading all over the place. I’ll add hupochlorousacid and it goes down. Started displaying ph for some reason. Gremlins. Trying to problem solve or get refund.
Scritto da: Stan
Too technical to use
I wanted to use the meter in demonstrating the ORP in ionized water, compared to tap water. It took too long to get to the reading of the ORP, it also did not give an accurate reading when it was in the minus range. Plus the minus range only went to - 100. Some of the ionized water samples were - 200 and more, the Extech meter could not give those readings.
Scritto da: pdirt
Not easy to use
Because I wasn't getting consistent baseline readings, I emailed the company. They sent me a helpful reply but one that essentially would require me to have a science degree to figure things out. Not sure if this is typical among ORP meters, but wish I had known before purchasing. The upside is you can purchase additional tips, such as one to test pH.
Scritto da: Marsha Utain
The best ORP meter
This product is the highest quality. Many meeters have exposed electrodes that can get damaged too easily. The construction is excellent.
Scritto da: Amazonian
Soil Testing
This device is awesome. It is compact, accurate and reliable. It is easy to use and maintain, and provides readings relatively fast.
Scritto da: Kedg
Ok for price
Not very accurate when tested in calibration fluid and is a bit inconsistent. But for the price it is good enough if your not looking for pinpoint accuracy.
Scritto da: Eduardo ek
Buen producto
Buen articulo y buen precio
Scritto da: Remi Thinard
Instable
Instable au niveau des résultats. Beaucoup de variations sur une même solution. Je pense que le produit n'est pas fiable ou l'électrode endommagée.

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