Majd
Well-Known Member
Hello,
I recently wanted to move a step forward to automating my brew rig. First I wanted to buy and make a temperature controller, I wanted to build a digital thermometer for my MASH tun and HLT, I also need one for my fermentation fridge. So I got from Amazon MYPIN TA 4. I wanted to start with only one to test my ability to make those gizmos work. This PID came with little to no instruction, China made it China sent it and I have to put it together .
After long search on line I feel that I have assembled and wired it correctly "I feel so". However, it still does not work properly. It does measure temperature, and it does communicate to the Solid State Relay (SSR) and the SSR turn on and off and PID click on and off, but it read the wrong temperature value. It is off about 10 degrees F from the real temperature measured on a glass thermometer. I don't know if this is a wiring mistake, set up mistake or calibration issue, I was un able to calibrate it yet because I do not know how to calibrate it. I got to run auto tune, I dipped it (the probe) in ice water but could not tell the PID "that should be 32F.
enclosed are few pictures that "I think" will help you good guys to see what I have and figure out what is wrong here, or maybe if some one know how to calibrate those PIDs please reply to this.
Thanks
I recently wanted to move a step forward to automating my brew rig. First I wanted to buy and make a temperature controller, I wanted to build a digital thermometer for my MASH tun and HLT, I also need one for my fermentation fridge. So I got from Amazon MYPIN TA 4. I wanted to start with only one to test my ability to make those gizmos work. This PID came with little to no instruction, China made it China sent it and I have to put it together .
After long search on line I feel that I have assembled and wired it correctly "I feel so". However, it still does not work properly. It does measure temperature, and it does communicate to the Solid State Relay (SSR) and the SSR turn on and off and PID click on and off, but it read the wrong temperature value. It is off about 10 degrees F from the real temperature measured on a glass thermometer. I don't know if this is a wiring mistake, set up mistake or calibration issue, I was un able to calibrate it yet because I do not know how to calibrate it. I got to run auto tune, I dipped it (the probe) in ice water but could not tell the PID "that should be 32F.
enclosed are few pictures that "I think" will help you good guys to see what I have and figure out what is wrong here, or maybe if some one know how to calibrate those PIDs please reply to this.
Thanks