|Item Weight||12.8 ounces|
|Package Dimensions||6.5 x 6.3 x 1.4 inches|
|Item model number||CECOMINOD053153|
|Item Package Quantity||1|
WILLHI WH1436A Temperature Controller 110V Digital Thermostat Switch Sous Vide Controller NTC 10K Sensor, Improved Version
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- WE'VE IMPROVED THE CONTROLLER: simplified operation, larger power, wider control range, standard U.S. outlet, enhanced waterproof sensor probe. Get the new version right now.
- KEEP TEMP IN DESIRED RANGE: Turn on your device at a set degree and turn it off at another set degree. The difference of the 2 degrees can be minimum 0.1 and maximum 288.
- HEATING OR REFRIGERATION WORKING MODE: Switch between heating mode and refrigeration mode according to the device you plug into the controller .
- MAX LOAD: 1100W at 110V. Outlet not compatible with 2 hot lines 220V plug (Celsius or Fahrenheit Read-out).
- WIDE RANGE OF USES: seedling heat mat, home brewing, aquarium, pet breeding, incubation, BBQ, fermentation, accelerating germination, electric radiator, electric oven, etc .
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The WH1436 temperature controller can turn on/off an electric appliances at desired temperature.
For example, you can use the controller to turn on a heater at 99.9 F and turn it off at 100 F. Or turn on a freeze at 52 F and turn it off at 45.3 F.
(Please be noted that the controller itself doesn't change temp. You need to use heater or refrigeration equipment with it.)
1-YEAR WARRANTY: From the date of purchase.
Plug and play. No worry about wiring.
Maximum load: 880W @110V or 1960W @240V.
Heating OR refrigeration working mode.
Celsius or fahrenheit read-out.
Compressor delay protection time setting.
High and low temperature alarms are available(This is a useful function. You can use this feature to alarm you when the temperature overshoots your desired temperature)
Auto shut off timer(It doesn't turn off the controller itself. The timer just turns off the load when specified minutes counts down to 0.)
1.Power supply: AC 110V ~ 240V, 50/60Hz
2.Measure range: -4 ~ 220 F(-20 ~ 105 C)
3.Temperature resolution: 0.1
5.Working mode: Heating OR Cooling mode
6.Slew range of temp controlling: 0.1 - 25(difference between turn-on degree and turn-off degree)
7.Control resolution: 0.1
8.Power consumption: less than 3W
9.Relay contact capacity: 8A
10.Store setting after power off: YES
11.Compressor delay protection: YES
12.High and Low Temperature alarm: Yes
13.Product size: 4.9x3.6x1.8 inch (12.5x9.1x4.5 cm)
14.Sensor Cable length: 3m(9.8ft)
1.Switch temperature unit(Default: F): F or C
2.Switch resolution(Default:0.1): 0.1 or 1
3.Auto shut off timer(Default:OFF)
1x WH1436 Temperature controller
1x sensor cable
1x power cord
Top customer reviews
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Review updated 2017/05 to account for model revision (older WH1436 vs newer WH1436A).
+ Heating and cooling mode (i.e. power supplied if temperature is below or above a threshold)
+ Waterproof thermocouple included! (this is pretty hard to find on the cheap)
+ regulates down to 0.1 degree window (high/low bounds for on/off)
+ F and C units
+ TONS of advanced options: e.g. temperature alarms and compressor safety timeouts
+ 1.1kW continuous power rating (up from the 880W in the 2015 model that I bought)
+/- mechanical relay click sound when device toggles state (the A model likely now uses a silent solid state relay)
- Not a PID controller (more details below on why this could matter)
- Upside down power connector (the A revision now uses a NEMA 15-5, which is great, but the plug is still upside down)
There are a lot of temperature controllers and sous-vide devices on the market. Some have more or less features than others. Some require other parts, like thermocouples. Heck, at one point I was even considering building my own with a microcontroller, relay, and temp probe (and hours of testing and frustration). The WH1436 is what I've been waiting for and I'm so glad I held out! It's a compact, simple little device and has all the pieces you need for under $30! That's way cheaper than even I could have built one for. Other devices sell for many times this price, up to hundreds of dollars, and aren't nearly as flexible. See the Anova,Dorkfoods, or Johnson for excellent overpriced examples.
My target is sous-vide, but the WH1436 could also be used for cooling applications as well. Yes, the instruction manual is a bit overwhelming, but it is detailed and accurate. There are so many features if you really want to fiddle with things, but I found the defaults intelligently chosen and usable. One change I'd suggest is to lower the d parameter from 1.0 to 0.1 (the offset between the target temperature and the relay turning on). If you need help, search youtube for the videos from Bayite and you'll see detailed video instructions on how to use the device. If all else fails, just send the guy an email and he'll get back to you, or just post a question here, as others have done, and you'll see he replies quickly. Note, this paragraph was written based on the old software, the newer software seems to be even easier: set heating vs cooling mode, lower bound, and upper bound.
The only legitimate complaint that you could make about this device is that it's not a PID controller. What this means is that it works only on instantaneous temperature measurements. A PID controller uses not just the current temperature, but also tracks the total power delivered (The I in PID), and the rate of change of the temperature (the D in PID), so that it can turn the heat/cooling on and off to keep the temperature exactly at the desired setpoint. This would manifest in behavior like the heat turning off prior to the desired setpoint because the PID controller knows that the temperature will continue to rise to hit the target. It's a more intelligent approach for control (and based on over hundred year old mathematical principles). The WH1436 doesn't have a PID controller, it's just instantaneous on/off based on the setpoint, so it's not as intelligent, but for slow moving temperature settings (like a big crock pot), it can still achieve excellent tight temperature control (my window sits with 1.5C). For the price, it's unbeatable. A PID controller would be a bit more expensive, as the logic is more complicated. What amazer me is that WILLHI did release a "PID" version last year that I bought (WHI1436PID). It wasn't actually a PID controller, but it did have some really neat parameters that would permit very tight temperature control (I got it down to 0.1-0.2C from my target). However, it seems like that model isn't sold anymore. I haven't purchased the updated model (WH1436A) yet, so I can't comment on how smart the newer software is, but if it permits bounding down to 0.1C/F, then that's about as tight as you can reliably get things with a consumer product.
It is incredibly versatile because it just regulates an AC socket based on a temperature. I've used it for sous-vide with a crock pot, a rice cooker, and even a portable electric stove with a dutch oven on top. They all work perfectly and deliver fantastic results. At under $30, you can even buy a few of these and set them up to have multiple baths and temperatures going at the same time. Do beef in one, potatoes in another, and vegetables in a third. Things could always be cheaper, but this is a fair price point. These temperature controllers are not particularly expensive pieces of electronics, and I'm glad we finally have an inexpensive option that gets it all right. So long as what you're trying to power is under 1kW, buy this, you'll love it. Combined with an equally affordably priced vacuum sealer and manual slow cooker, you can sous-vide like a pro for under $100.
IMPORTANT: I can only set the radiators on their *MEDIUM* setting, not the high setting. The temperature controllers have a MAX LOAD of 1100 watts and 10 amps. The radiators - on high - exceed this by quite a lot (1500 watts) but on the MEDIUM setting I'm fine (900 watts).
So... I turn the *thermostat* on the radiators to maximum - and set their *power setting* on medium. The temperature controllers toggle on and off to keep the room at the temperature I want.
Last - it's easier to learn how to set these up if you use a YouTube video. Search YouTube for "WH1436A how to" to figure out the basics, then the instructions will make more sense.
I bought some sirloin steaks and seasoned them with salt and pepper and put some fresh rosemary in the bags then vacuum sealed them. An important part is to get the water in the crockpot to your desired temp then put your food in. I cooked at 135F for 1 hour. After that I heated up a cast iron pan put a little butter in and seared both sides and the edges to give it color. Watch the smoke it’s a lot.
These will be the most amazing steaks you have ever had. I can’t wait to try this more, it’s not fast but the extra time and effort is worth it. Overall this controller allowed me to make perfect sous vide steak and its great.