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10A 110V Digital Temperature Controller Thermocouple -40℃ to 120℃ with Sensor

10A 110V Digital Temperature Controller Thermocouple -40℃ to 120℃ with Sensor

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A mini temperature controller.
With large and clear LCD display for better readability.
Wide temperature measuring range.
Heating and cooling control.
Temperature calibration function.
Delay protection function.
All parameters can be set to default setting after short circuit.
Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, boiler, steamer, industrial equipments and other temperature-controlled systems.

Working voltage: 110V ±10%
Rated current: 10A
power consumption: ≤3W
Measurement range: -40℃ ~ 120℃
Measurement precision: 0.1℃
Measurement error: ±0.5℃
Control range: -40℃~120℃
Control precision: 1℃
Working temperature:‐20℃~70℃
Temperature sensor: NTC 25℃=10K B3435
Item size: 8.5*7.5*3.5cm / 3.4*3*1.4in
Item weight: 160g / 5.6oz
Package size: 11*8.5*4.3cm / 4.3*3.4*1.7in
Package weight: 193g / 6.8oz

Package Includes:
1 * Temperature Controller
1 * Temperature Sensor
1 * Instruction Manual


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  • By apharc

    December 31, 2017

    The temperature display is bright and easy to read. The installation was easy if you know how to strip wire ( you will need an old plug/line -- I took one from a broken dvd player to connect for power). Everything simply connects to screw terminals in the back of the unit. The unit is not in English, but comes with instructions in English, which are fairly easy to follow. The operation is simple, as long as you read the instructions. I would buy again and I recommend this item for general temperature measurements and or device control such as a fridge. Mine will be used to trigger a camera when the basement temperature in my house falls below a certain level.

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  • By Craig Olson

    December 30, 2017

    I bought this for a keggerator project and am very happy with it. . A lot of folks buy the Johnson controller. It works great, but is about $95. This one is around $25. It took me about 20 minutes to wire it up to convert a chest freezer into a keggerator. If you're strictly a plug & play kind of person, get the Johnson. If you can do basic wiring and read the instructions, you'll have no problem getting this to work well. I like the digital read-out with temps in fahrenheit, not celsius, to 1/10th degree.

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  • By Daniel Q.

    December 28, 2017

    Using this to control temperature in my hot tub. Original mechanical micro switch thermostat kept temp within 4-5 degrees, which is unacceptable for a hot tub, but this sits at 102 F and rarely varies 1 degree. It has a 10 amp output relay, so I wired it to a 50 amp contactor (A/C compressor relay) and then to my 22 amp heating element. Added bonus, I have a nice LED readout showing my hot tub temperature. Slow delivery, but for 99 cents to ship from China to my door, so what. I bought a second on and use it for an accurate thermometer.

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  • By Sourdough Don

    December 25, 2017

    After reading reviews of both this product, the Docooler Digital Temperature Controller and the similar STC-1000, I realized that this unit does exactly what I want: a unit that I can re-purpose easily to either heat or to cool, with one power plug and one receptacle for the plug on the unit I am controlling. I use this to control either heating my bread dough to its optimal proofing temperature, or cooling my beer to fermentation temperature. I never need to have a set-up that can be configured and then switched between heating and cooling, like your home heating/air conditioning. Thus, I only need one receptacle to plug into, not two, as would be wired with the STC-1000 units. The good news for those buying this now is that the instructions are much clearer, including the wiring diagram. I did get mixed up with the low and high limits, thinking that I needed to set them to control the temperature, but the unit does that via the parameters, so all you do is set the target temperature, which comes up when you press “set”. I was pleased that the connection terminals accepted two 16 gauge wires, so the trick I used with my earlier controller worked fine: I took a 12-15 foot extension cord, cut it in half, and used the plug/male half to power the unit and supply the ‘hot’ side of the relay, and wired the receptacle/female half to accept the switched hot from the relay and get neutral from the plug half, via the shared neutral input on the controller. I only needed one jumper wire between the hot into the controller and the hot side of the relay, as pictured both on the unit and in the instructions. As always, consult someone with good experience with electrical wiring to confirm that you have hot and neutral wired correctly.

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  • By H***Z

    December 25, 2017

    Ordered this to control some fans in our rabbit barn. Needed reasonable accuracy -- the analog ones we've tried varied from day to day by 5 degrees or more. Received the controller before they said I would (does ship from China). The instructions are readable but not the clearest. Thanks to several reviewers who have additional helps on operating. Wiring is fairly simple -- wire the load to two contacts and provide power to two contacts and put the sensor to the last two. The first unit I received worked only in heat mode -- would not activate in cool mode. I contacted seller through Amazon and they promptly responded and determined unit was defective. They happily sent another unit with no hassle. Their customer service through email was very good though it takes time to cycle emails back and forth -- they seemed to reply within a couple of business hours. They sent me a second unit which I installed and it worked great. Been working now for two weeks with no hitches or problems. Seems to be very accurate +/-1 degree. Display is easy to read. Turns our fans on over 78 and off below 78 exactly as we need. For the money you are not going to find a better thermostat. Summary: great product which seems to work well; though the 1st one was defective they promptly replaced it; shipping was as stated (looks like they may have just gone prime so shipping might be faster now); works great as fan controller.

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  • By white rabbit

    December 24, 2017

    Good so far. I am using it to keep my minnows heater at 60°F The directions are in Chinese so the only way I knew was to do was by someones very helpful review. I ordered the Celsius only one. You need to hold the set button to choose either to heat or cool and set the temperature range. There is a setting to vary the temperature by how many degrees. You can also delay the time before it turns on but I didn't use that. At first I had it at .1° but the heater kept turning on and off very quickly so i changed it to .2°. To change the temperature you want it to be at you have to push the set button once fast than use the arrows to put it where you want it to be set. Now I have a bunch of wires I'll need to build an enclosure.

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  • By John G.

    December 24, 2017

    Excellent product dead on accurate!! I use this for amphibians I have. They are very temperature sensitive, if temp of there water get to or above 24c (75) it can kill them. I've been using this unit for a little over 2 years now and it has not failed. it controls the custom built chiller and water pumps to a 500 gallon tank{highest temp reached was 21c (70f)and this was during our rainy season and temp exceeded 41c (105f)}. with 42 Ambystoma mexicanum "Axolotl (pronounced Ax-oh-lot-ul)" and around 500-800 feeders

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  • By razbougrit

    December 22, 2017

    je l'ai monté dés réception en fait montage très simple (même si la notice est en chinois et en anglais) chercher sur internet ([...]) j'ai mis 15mn pour faire les branchements et 10mn pour le régler, question efficacité la nuit je l'ai branché sur tapis chauffant (dimensions 60cm/40cm) et régler à 30° de ce coté la j'ai un peu de perte (-2°) mais je n'ai pas trop poussé sur le réglage la T°du terra reste stable à 28°.6 ou 28°.9 toute la nuit à 5h45 un minuteur tout simple qui met la lampe uv à 40° EN 15 mn et deux néon du commerce qui s'allume et mon pogo ne s'en porte pas si mal, j'ai laissé dans mon terrarium un thermomètre classique la précision est excellente. pour le branchement :Branchement du thermostat arrivée secteur sur 3 et 4 (power) reprendre le 3 et le renvoyé sur le 2 entrée du relais (load) mettre le 1 (sortie du relais) en sortie remettre le 4 en sortie brancher les 5 et 6 sur la sonde de température voila pour les connections Utilisation appuyer sur set en température supérieur le thermostat va indiquer la T° ambiante appuyer sur set pour régler la T° de chauffage supérieure à atteindre puis maintenez la pression sur set jusqu'à et régler la fourchette de T° +ou- de mise en route ou de coupure,

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  • By Deana

    December 22, 2017

    So far this has been a great unit, the instructions were crap, translated from another language. Great for a laugh if you want to read them though. If you have a basic knowledge of how to wire something then the unit is very easy to wire up. I am using it to regulate temperature in an egg incubator. I was able to set it to if it dripped 1 degree it would shut off ( default is 2 deg). I have had one time where I noticed the temperature in my bator spiked to 105. I am not sure why as the unit did not have my heating element on. It has only happened once. If you play around with the buttons you will figure out all of the functions and how to adjust them. It will not heat and cool, merely act as a relay switch to turn your heating OR cooling element on.

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  • By mazonien

    December 20, 2017

    mon besoin : commander le démarrage d'un circulateur pour circuit dérivé de ballon ECS - j'ai pris un appareil pour tester ses réflexes et son fonctionnement (simplicité, confort, précision...) alors que mon circuit en nécessite 3 - vu le prix comparé à au coût de mon installation, c'est acceptable - je précise que la carte électronique optionnelle de ma chaudière vaut 300 euros + intervention d'un technicien ! - appareil reçu, bien emballé, avec sa sonde - premiers tests, les fonctionnalités sont conformes à la description et me satisfont - la précision est au rendez-vous et l'hystérésis est respectée, ainsi que le temps de réactivité (réglable) - côté ergonomie, c'est acceptable, même si la logique de transition des valeurs m'échappe quelque peu - côté confort idem.... petit bouton, pas très agréable à piloter... mais une fois réglé, on n'y revient plus en théorie - j'ai simulé une panne de courant (plutôt une saute) de quelques minutes : les données enregistrées restent en mémoire - quid après quelques heures... ? à tester - l'afficheur est très agréable et grand ! ce qui permet de le voir de loin - la notice est indigente, comme souvent avec les produits d'importation - mais les bricoleurs avertis en font abstraction - reste la question de la durée du produit dans le temps... pour l'instant mon évaluation est de 5 étoiles parce que je n'ai pas le droit intellectuellement de présumer de la disqualification hypothétique du produit : j'y reviendrai s'il ne tient pas le choc !

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  • By Lee Harrison

    December 20, 2017

    Product works well but it only lasted a year and a half before the contacts became frozen, and the timer was essentially stuck in the ON postion. This was particularly bad because I have it installed in a restored Coca-Cola cooler. Since it never turned off at 30F, the cooler got so cold it froze all the soda in the machine, and every single can exploded! It was a huge mess to clean up, and it took me a minute to realize how it even happened. I've purchased another one because the machine has been modified to fit this model specifically. Hopefully the next one lasts a bit longer. I have also noticed that the outer casing has been redesigned in the last year, with English replacing a large majority of the text on the unit itself. The instructions still suck though.

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  • By John

    December 16, 2017

    I use the digital temperature controller to monitor and control my aquarium temperature. It is very easy to set and very precise. I have ordered another one for my second aquarium. I will order one more to mix hot/cold water for water change. The controller fits perfectly into a $0.6 plastic electrical box (B122A size), which is available in any home improvement center. I spend less than $3.00 for extra material to build a very nice controller box - see picture. Many people complained about the poorly written manual for the controller. I would like to share my knowledge about this controller. I hope this Manual will help. Manual for MH1210F 10A 110V Digital Temperature Contoller with Sensor - NTC 77 Fahrenheit=10K B3435. Display Codes (Adjustable Parameters): HC H/C Heating or Cooling mode. CA -1.5 Temperature Calibration. -1.5 is my setting (default at 0.0 ˚F) which decreases measured temp by 1.5˚F. At the default 0.0 setting, my controller reads 78.5˚F and a good thermometer reads 77˚F; I entered -1.5˚F in CA, now the controller and the good thermometer have the same readings. PU 00 Delayed cooling start time (minutes). Minimum off time to protect cooling compressor. HA 194 Highest operating temperature limit (default at 194˚F). When exceeded the device will switch off the load and blink HHH. LA -58 Lowest operating temperature limit (default at -58˚F). When exceeded the device will switch off the load and blink LLL. CP 01 Temperature Differential Setting. 01 is my setting (default at 02 or 2˚F). Turn on at 1˚F below temperature setpoint. If my temperature setpoint is 77˚F, heater is turned off when temperature reached 77˚F and turned back on when temperature dropped to 76˚F. The aquarium is always between 76˚F and 77˚F, a 1˚F temperature differential. Set: Press once to change temperature setpoint. Then press once return to display measured temperature. Hold for 3+ seconds to access parameters setting menu. Press "Set" to accept and exit settings menu after configuring a parameter. Rst: Press once to exit current setting. Press and hold 6+ second to reset to factory defaults. UpArrow: Increases settings. When not in parameters setting menu, this sets the heat/cool setpoint. Hold for 2+ seconds to auto advance. DownArrow: Decreases settings. When not in parameters setting menu this sets the heat/cool setpoint. Hold for 2+ seconds to auto advance. DownArrow: From main display of measured temperature, hold for 6+ seconds to lock parameters from being changed (display shows "OFF"), temperature setpoint is NOT locked and still can be changed; hold another 6+ second to release from lock mode (display shows "ON").

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  • By GoldwingDocs

    December 14, 2017

    This little device is a fantastic alternative to products costing five times as much. It works just as well, and with a suitable enclosure, works perfectly as a temperature controller for fish, hermit crabs, industrial control, and so on. Hookup of the wiring is straightforward, and can be done without referring to the instructions, although a simple circuit diagram is included that makes it easy. I do wish the probe wire was a bit longer, but it can easily be extended with any non-shielded two-conductor wire (speaker wire even works). The main problem with the device is the operating instructions. They are absolutely horrendous - they are in "Chinese English" - i.e. translated by some computer from Chinese into English, and done so extremely poorly. Literally, they are absolute nonsense, and for the most part indecipherable. So you are left to your own devices trying to figure out how to work the thing. Once I had spent a bunch of time figuring the it out, I decided to write my own instructions so that I could refer back to them when I needed to. I'll share what I wrote here, so that you don't have to go through the same pain I did in figuring the thing out: Thermostat Operating Instructions The thermostat has a display that shows the current temperature detected by the probe. It also has two small LEDs to the left of the temperature display that light up when the relay is engaged. One LED lights up when the relay is engaged and the thermostat is in heating mode, the other LED lights up when the relay is engaged and the thermostat is in cooling mode. There are four buttons to the right of the display: Set, Rst, UP and DOWN (indicated by small arrows). Normal operation: Press the Set button. The display will begin flashing the current temperature the thermostat is set to. Press UP or DOWN to adjust the set temperature. Hold UP or DOWN for two seconds to rapidly change the temperature. When finished, press Set again to save the new temperature. Press and hold the DOWN button for three seconds to lock the display. The display will flash "OFF" for several seconds, and then return to normal temperature readout; however the user will not be able to adjust the preset temperature or parameters. To unlock the display, press and hold the "DOWN" button for three seconds again. The display will flash "ON" for several seconds, then return to normal temperature readout, and the display will be unlocked. Configuration: To enter setup mode, press and hold the Set button for three seconds. The display will show "HC". You are now in the Parameter Select mode. Press the UP and DOWN buttons to cycle through the various parameters available to set. To modify a parameter, press the Set button to get to the Parameter Adjust mode. Once in this mode, adjust the value of the parameter with the UP and DOWN buttons, then press the Set button to save the new parameter. This will return you to the Parameter Select mode. When finished changing parameters, press Rst to return to normal temperature mode, or just wait for a short while and it will return automatically. Below is a list of the available parameters: HC: Select between heat "H" or cool "C" mode. In heat mode, the relay is turned on when the temperature drops below the set temperature. In cool mode, the relay is turned on when the temperature rises above the set temperature. CA: Calibration (degrees). Enter a positive or negative number that will adjust the temperature shown on the screen, used to adjust for temperature read error. If the temperature of the area being measured is 75 degrees, but the display is showing 76.5 degrees, you would adjust this parameter to "-1.5" - this will subtract 1.5 degrees from the temperature being shown on the screen, and used to determine when the engage the relay. PU: Delay (minutes). In air conditioning applications, compressors can be damaged if they are cycled on and off too quickly. This introduces a delay that is enforced whenever the relay is cycled, to avoid this type of damage. It can safely be set to zero in heating or non-compressor-driven air conditioning applications. HA: Upper limit (degrees). This value is the maximum value the user will be able to set the thermostat. If you don't want someone to be able to set the temperature above 78 degrees, set this value to 78. LA: Lower limit (degrees). This value is the minimum value the user will be able to set the thermostat. If you don't want someone to be able to set the temperature below 58 degrees, set this value to 58. CP: Slew (degrees). This value prevents the relay from cycling on and off too quickly as temperature changes. For instance if the slew value is set to 2 and the thermostat is set 75 in heat mode, the thermostat will actually turn the relay on when the temperature drops to 73, and keep it on until the temperature rises to 77, at which time it will turn it off. All parameters can be reset to factory defaults by pressing and holding the Rst button for three seconds.

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  • By readalot

    December 8, 2017

    instruction on how to use it is somewhat cryptic but if you have a knack on tools and software it isn't too hard to figure it out. The reason I took off a star is because it doesn't have information on how much power it can switch. Can I hook it up to a 1kW submersible heater? honestly I don't know. Probably not. but I can use it to switch an external high powered electronic switch to boost the power level. There are lot of use for this thing and it was definitely $saver and time saver instead of building one myself using "Arduino" controller. Really can't beat the price and its debugged. Some of the uses. heat my proofing box for bread baking. Heating for making yogurt. Heating my germination table for plant starts. Aquaculture, aquaponic, hydroponic use. I'll probably buy few more. May use it for incubating chicken eggs.

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  • By Jer R.

    December 4, 2017

    It took some experimenting , but I got this controller working super. The instructions need some work for clarity. After reading several times and trying different things the process begins to fall in place. The hook up diagram was the easiest of all. I used some existing power cords and I started by cutting the receptacle end off and using the cord for the power hook up. Now you can use the receptacle end for the load hook up. One more short wire from power to load and you are there. Just follow the diagram without any deviations and it works. The display is in bright large easy to read numbers and letters. The project I'm using this on requires the controlling of a set high temperature to click on and a low temperature to cut off. It took some time to get the controller working right, but it's doing a good job with very precision settings. Looks like this controller can be used in a variety of different ways for other applications. Ten amps @ 120 volts will be more than enough for my project.

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  • By Norbe

    December 2, 2017

    This one displays in Fahrenheit. I use this for sous vide cooking. Unlike the STC-1000, this model has only one relay. It can be used to control either heating or cooling. It powers up in the heating mode by default. Changing to cooling mode is programmed via the "Set" key. The instruction is not well written, but it is not that difficult to figure out how to program the unit. I put this controller into a 4.7x4.7x2.2in Hammond 1591 USBK ABS plastic project box, which is also available from Amazon. It fits nicely inside this box, with room for a Amico 3 pin power socket for plugging in the load. It is very easy to wire up. The relay is rated at 10A, so I use a 16 AWG power cord as a supply cord. The temperature sensor cord is a bit flimsy, but it works. For $17, I can't complain!! Can easily replace this 10K NTC sensor if broken. I already have a Johnson Controls A419 controller, but I need another controller. This is a much lower cost alternative. It is so inexpensive, I also put together another unit for a friend.

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  • By Leonard W Van Eaton

    November 29, 2017

    This little unit works great. It keeps my beer cave at the prescribed temp within 2 + or - degrees F. It is way better than the more expensive Johnson Control unit that I have as well. It controls cooling or heating with reasonable accuracy. It ships far faster than advertised. Only one drawback; the instruction manual that comes with it is almost unintelligible. However, if you read it five or six times it can be understood. It comes with a temp prob, but no other wiring. There's the rub. There are some helpful instructions to be found on the internet. Don't hesitate to purchase this slick little unit. I bought one, then I got two more. They all work well. I highly recommend this item.

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  • By James C

    November 27, 2017

    I was looking for a simple thermostat to control a light bulb in my sourdough proofing box. This controller is perfect for this application. It is possible to program several settings (heat/cool mode, temperature hysteresis, min/max temperature range, delay start and temperature calibration offset.) Of course the temperature set point is settable as well and it remembers everything when powered off. It even provides a way to lock the menu settings so they aren't accidentally changed. I think the price for this digital controller is really reasonable as well as the shipping cost - I paid $16 for the product delivered to my door. The estimated delivery was way out (month and a half), but it actually arrived in about two weeks. The only downside (hence the 4 stars) is the manual. While it provides the information sufficiently needed to connect the controller, it takes some effort to understand the text for operation. This isn't a big minus since the controller is quite simple to use and program and you can get the information you need from the manual and discover the rest by experimentation. I did write my own manual for future reference, rather than try to figure it all out again.

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  • By Scott (Technogeek)

    November 26, 2017

    I wanted to make a Sous-Vide cooker out of my old crock-pot, and this was perfect. I just purchased a 10amp 3 wire extension cord, cut it in two, then wired it up per the included schematic. The cord wires attach via enclosed lug-less screw down terminals, so they are firmly attached. The wiring terminals have a removable plastic cover so any exposed wire is safely out of reach. Once he cord is installed, plug the cord male connector into the wall outlet, and the Crock-pot into the female cord end. Set the Crock pot temp to high, adjust this temp controller to your desired temp and your done! Programs super easy and works great, regulating the temp +/- 2 degrees in my Crock-pot. Manual is the usual Chingalish quality, but this thing is easy to figure out.

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  • By J. Bobay

    November 23, 2017

    Great product. It measures by .1 or .2 degrees, you can calibrate it. I hooked up the sensor with about 40' of cat5e cable, wasn't sure if that would affect the temperature reading but it worked fine. Measuring solar panel temperature, will be using it to remotely turn on/off a cooling fan to cool the panels in the hot sun. Very versatile. Plugs in to 110vac, and only uses 1 watt of power if the relay is off, 2 watts if it's on. Bright clear display. Retains settings after power is unplugged. It's actually a little smaller than it looks, but a good size. Only problem is that the pinouts are marked in Chinese, so you have to refer to the instructions for hookup. Use a Sharpie to mark them in English. Also could be easily used as a simple thermometer at this price point. It updates every few seconds. Oh, and the probe is super-sensitive to temperature changes. If you simply grab the sensor for 1 second, the temperature will jump by 3-4 degrees due to your body temperature.

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