Extech 42270 Temperature and Humidity Datalogger Review

Average Reviews:

(More customer reviews)I recently purchased 4 of the data loggers and the docking station. I work in construction and needed to monitor temp and RH due to condenstation forming on an exterior wall. These data loggers were not only no accurate, actually getting the information off and in a form that is easy to send out was nearly impossible.

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== NOTE: Model 42270, Datalogger Only, is sold as a replacement unit or as an addition to the kit. The datalogger by itself cannot function without the software and docking station. == Real time clock stores date & time with data; Program the logger, analyze and store data using Windows 95/98/2000/NT/ME/XP compatible software (sold seperately); Wide operating range: Humidity: 0 to 100% RH; Temperature: -40 to 185 Deg. F (-40 to 85 Deg. C); Dimensions/Weight: 3x2.3x0.88" (76.2x57.2x22.3mm) 2.6oz (72.6g); Applications: Clean rooms; Freezers; Shipping Crates; Storage Areas; Refrigerator; Shipping Vans; Cargo Vessels; Warehouses --- Compact, powerful and easy to use - records up to 16,000 readings

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Remote Alarm RH / Temperature Monitor by Sper Scientific Review

Average Reviews:

(More customer reviews)Not a bad product. The upper temp range is limited to 158F which was lower than I really wanted, so I had to position the sensor so the temperature was within range. These specifications were not documented here. The documentation shipped with the product is in broken english, but workable. The manual as well as user interface implies you can set either a low or high alarm, but it appears you must set both or the alarm sounds. Thus, after a bit of frustration, I was able to get this product doing what I needed. I am using it to warn me if my outdoor wood boiler runs out of wood or stops making heat for any other reason. I taped the sensor on the return pipe in the basement, and mounted the box above a light switch. I like that it has a replacable battery and that the cord is long enough - around 5ft.

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