Thomas - 4039 Termometro impermeabile tracciabile, con sonda/cavo, da -50 a 300 gradi C da -50 a 300 gradi C,

Brand:Thomas

2.7/5

102.11

Ecco il termometro perfetto per le zone umide. La custodia è impermeabile e antiurto. Utilizzare per il monitoraggio 24 ore su 24 di liquidi, aria/gas o semisolidi in congelatori, bagnimaria, serbatoi all'aperto, incubatori e frigoriferi. La sonda in acciaio inossidabile è resistente alla maggior parte dei prodotti chimici di laboratorio. Ampio intervallo di temperatura: l'ampio intervallo copre il 99% delle misurazioni di temperatura di routine del laboratorio: l'intervallo va da -50 a 300 gradi C con una risoluzione di 0,1 gradi da -19,9 a 199,9 gradi (altrimenti 1 grado). La precisione è di +/-1 grado C tra -20 e 100 gradi C. La precisione del modello Ultra è di +/-0,5 gradi C nei punti testati. Le cifre LCD di facile visualizzazione, alte 1/4, possono essere lette con uno sguardo. Registra le letture minima/massima: con il semplice tocco di un pulsante, la memoria richiama le letture della temperatura più alta e più bassa in qualsiasi periodo di tempo. Leggere gli aggiornamenti ogni secondo. La costruzione a stato solido elimina i pericoli inerenti ai vetri fragili e ai termometri a mercurio tossici. Compatibile con tutte le condizioni atmosferiche: il termometro funziona senza problemi in condizioni difficili e all'aperto. La costruzione impermeabile è ideale per laboratori umidi, aree di lavaggio e praticamente tutte le applicazioni sul campo. L'unità è progettata per resistere agli urti nei test di caduta fino a 5 piedi. La sonda in acciaio inossidabile, lunga 4-3/4, diametro 0,14, il cavo da 10 piedi e l'alloggiamento del display digitale sono tutti impermeabili. Tracciabile al NIST per la precisione: per garantire la precisione, viene fornito un certificato tracciabile con numero di serie individuale dal nostro laboratorio di calibrazione ISO 17025 accreditato da A2LA. Indica la tracciabilità agli standard forniti dal NIST (National Institute of Standards and Technology). Può essere posizionato ovunque: fornito con ventose, calamita per fissarlo al metallo e velcro per fissarlo a qualsiasi superficie. Viene fornito con certificato di tracciabilità e batteria all'ossido di argento da 1,5 volt per un monitoraggio continuo e sempre attivo di 1 anno. Dimensioni: il diametro è 1-3/4 e la profondità è 1/2. Il peso è di 2 once.

Tracciabile al NIST per la precisione. Registra letture minime/massime. Può essere utilizzato per monitorare aria/gas, liquidi e semisolidi. Cavo da 10 piedi con sonda in acciaio inossidabile. Impermeabile e antiurto con un robusto involucro in plastica ABS.
Age Range (Description) Adult
Batteries 1 Product Specific batteries required. (included)
Brand Thomas
Country of Origin USA
Display Type LCD
Item model number 4039
Manufacturer Thomas Scientific
Number of Batteries 1 Product Specific batteries required.
Number of Batteries 1 Product Specific batteries required. (included)
Outer Material Acrylonitrile Butadiene Styrene
Package Dimensions 7.36 x 2.8 x 1.22 inches; 0.01 Ounces
Power Source Battery Powered
Recommended Uses For Product Monitoring
Special Feature Waterproof
Specification Met NIST
Unit Count 1.0 Count

2.7

9 Review
5 Star
48
4 Star
0
3 Star
26
2 Star
18
1 Star
8

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Scritto da: Razorflight
Stopped working after 3 months and only 1 use
I bought this item to monitor temperatures for Home-brewing beer. I used it once and it worked like a champion, however, pulled it out the second time, and it was reading 154 degrees F for room temperature. I replaced the battery like the manual suggests with no change. Unfortunately its been 3 months since I ordered the item so I can no longer return it. I have emailed the Thomas company to see what can be done now. If I get good feedback/repair/replacement I'll update this review but for now, as it stands it's not a very reliable device for the price tag. UPDATE: They did replace the thermometer for no cost. It took a couple weeks to get it taken care of, some E-mails, and shipping costs. We shall see how this new one holds up.
Scritto da: John K
Effective product overall
I needed a good waterproof thermometer that wouldn't die on me after first use, and I found it. Slightly expensive for what it is, but I'm glad i picked it up and I'll continue to use it. My only complaint would be the tiny display, which can be tough to read under the wrong lighting. That, and the fact that the mini suction cup on the probe seemed to melt or warp in boiling water after first use, making it unusable. And if there was one other complaint, it would be of its lack of features. For the price, it really doesn't do much of anything but display a temperature. No timer, no high or low temperature warning sound, just the simple temperature display.
Scritto da: oso
Buyer Beware!
This item arrives with an official looking calibration sheet, etc., etc. I was fooled twice, but won't be again. I use thermometers to monitor the water temperature when I "hot-dip" my oyster stacks to kill the bio-fouling, but not the oysters. The stacks, with oysters in them, get dipped in a huge vat (112 cubic feet) of water heated to 140-degrees (F) and held there for 40 seconds exactly. A little too hot or too cold will either kill the oysters or won't kill the bio-fouling. The 1st one of these items I bought was used 1 time and, halfway through the hot-dip, the item went haywire and started climbing. Since I use three different thermometers simultaneously for just such a failure, I was able to disregard the item. I thought the failure might have been due to a cracked wire leading to the probe, so, 8 months later when I got ready to do the hot-dip again, I ordered another one of these items. This one was even worse. The other two thermometers (Taylor Digital Waterproof Maximum/Minimum Thermometer, -20 to 120 Degrees F and a General Tools AQ150 Digital Aquarium Thermometer ) were within 8 degrees of each other (the Taylor is my new standard, since it has two probes and is within 1 or 2 degrees of the liquid thermometer I use to calibrate them with). The new Thomas item, while it didn't vary in its readings, was 38-degrees too high the entire time! If you are willing to do a calibration test yourself (using ice water for example), and then add or subtract the error while you are working, this item might be OK. But why bother when the other thermometers, especially the Taylor, are much more accurate. It is a shame the item doesn't work better, because I liked its shape and versatility. But, those are no good if its not accurate! So - Buyer Beware! JBK
Scritto da: snake
thermometer
great
Scritto da: John Gladden
loveit
I use this thermometer for homebrewing and I love it! it reads temperature accurately and it has a long cord and can be submerged in hot and boiling wort no problem. just be careful pulling on the cord because it can dislodge from the probe and ruin the thermometer.
Scritto da: Robert C. Hinkle
Good thermometer but breaks easily
It seems to be a fairly high-quality thermometer however although it is apparently heat resistant it can come out of calibration easily. After sending it back to the manufacturer for recalibration the cost would've been about 85 percent of the purchase cost.
Scritto da: Chris
Great product at great price.
Worked perfectly. Great that it is leak/waterproof as that is what ruined my other thermometer. Glad I got it.
Scritto da: stealingapples
Do not waste your money and time.
This was my second one of these. The first I had to return to Amazon since it would not turn on, even though I had replaced the battery. The second worked fine for 2 batches of beer, and then right in the middle of triple decoction mash, the thing freaks out and now it displays 134.7 as the ambient temp...So I changed the battery again. Still says it is hotter than the daytime high in the Sahara. I wrote Thomas Scientific in hopes that they could rectify, so we'll see. Maybe 3rd time will be a charm?
Scritto da: Alejandro De Lira.
Not accurate
I bought this for our audit but when compared with another certified thermometers we purchased it was the only one that was different

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