1. Turn on the power supply of the smart thermostat, and the temperature displayed on the screen is the temperature at that time. Because the sensor is not in contact with other devices, but is directly exposed to the air clock, this is the current temperature: 31 degrees Celsius, which is not too hot.
2. At the bottom right of the display screen is the "Start Temperature" setting button, press the heating button-down, and the temperature will increase by I degrees Celsius; It can also be held down and not let go, and the temperature rises one after another. Here I set it to 6s Celsius, which means that when the sensor temperature is lower than or equal to 65 degrees, the output socket is actively powered on and the connected device is activated. Devices can be electric motors, electric heaters, and so on.
3. At the bottom left of the display screen is the "Abort Temperature" setting button. I set it to 80 degrees, that is, when the sensor temperature is higher than or equal to 80 degrees, the output socket will be actively powered off, and the controlled equipment will stop the operation.
4. Look at the temperature sensor, its function is to sense the temperature of the monitored object, and convert it into an electrical signal, which is transmitted back to the thermostat through the wire. You can try it with an iron object, the sensor has strong magnetism and can be attached to it.
5. Adsorb the sensor on the monitored equipment. The device has to have an iron part; Otherwise, you have to find a way to fix it.
6. Plug the plug of the controlled device into the thermostat output socket. Note: It is best to do this when the thermostat itself is not powered on. At this point, the setting operation is completed, the thermostat is powered on, and the system begins.
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The debugging method of the temperature controller
Generally, there are three buttons to provide the need for setting, one is the Set button, press it once to enter the setting state. The other two offer upward and downward temperature adjustments, which can be adjusted to any temperature point. After adjusting to the desired temperature point, press the Set button again to confirm.
1. Turn on the smart thermostat ...
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RKC Level Gauge – How the level gauge works
Measuring principle with hydrostatic pressure:
When the level transmitter is placed at a certain depth in the liquid to be measured, the pressure on the welcome surface of the sensor is formulated as: Ρ = ρ .g.H + Po
where:
P: The pressure on the fluid surface of the transmitter
ρ: the density of the liquid to be measured
g ...
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RK thermostat - classification and precautions for use of central air conditioning thermostat
1. The principle of central air conditioning thermostat
Mechanical thermostats can be divided into vapor pressure thermostats, liquid expansion thermostats, gas adsorption thermostats and metal expansion thermostats. Among them, the vapor pressure thermostat is divided into inflatable type, liquid-gas mixed type and liquid-filled type. Domestic...
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Common faults and failure analysis of RTC thermostats
1. The power indication is normal, but the temperature controller has no screen display. Most of this fault is caused by the heating of the voltage regulator element (7805 or 7812) on the thermostat during long-term use, which leads to the breakpoint of the solder joint, and sometimes it is caused by the phenomenon of virtual soldering at the factory, and the main re-soldering can be done.
2. Temperature controller ...
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Difference Between Thermocouple and RTD
In temperature measurement, thermocouples and RTDs are both contact temperature measurements, and although they both measure the temperature of an object, their principles and characteristics are different.
This article first introduces thermocouples, which are widely used in temperature measurement temperature control devices.
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RHK thermostats – an introduction to the classification of displays
(1) Categorize by display color
1. Monochrome display
There are two types of displays: multi-grayscale monochrome display and VGA multi-frequency monochrome display. These displays are small, lightweight, clear and inexpensive, making them suitable for highly mobile workplaces.
2. Color ...
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RRKC Thermostat – The working principle and main features of the pop-up thermostat
How it works
The sudden jump thermostat is a kind of bimetal disc after constant temperature as a heat-sensitive reaction component, when the temperature of the main part of the product increases or decreases, the heat generated is transferred to the bimetal disc, and when the operating temperature is set, it acts quickly, and the contact is broken through the action of the mechanism.
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Key features of the RLC thermostat:
Thermocouples, RTDs, analog and other signals are freely inputted, and the range can be set freely;
The software zeros the full degree, the cold end measures the temperature separately, the amplifier is self-stabilizing, and the display accuracy is better than 0.5%FS;
Fuzzy theory combined with traditional PD method, fast and stable control, advanced tuning ...
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RKC thermostat – the correct way to adjust the thermostat
1. Set temperature: Press the SET button to set or view the temperature set point. Press the SET key digital tube character start flashing, indicating that the appearance has entered the setting state, press the △ key to increase the set value, press the ▽ key to decrease the set value, press and hold the △ key or ▽ key The data will change rapidly, press the SET key again The appearance will return ...
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RKC Level Gauge – How to install a buoy level gauge
1. Welding and installation of the lower support of the guide wire: determine the position at the bottom of the container according to the requirements of the movement direction of the float of the level gauge, and weld or rivet the lower support of the fixed guide wire. If the equipment does not have welding conditions, the heavy anchor fixing method can be used to fix the guide wire under the support. For example, the liquid level wave in the container ...
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RKC thermostat - how to keep the line when installing the thermostat?
First, the selection of the orientation of the thermostat device
1. Easy to operate locally;
2. It can include the average temperature of the local area;
3. Localities with more human activities;
4. It can avoid cold and heat sources;
That is to say, the orientation of the device should be far away from radiators, away from doors and windows...
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Precautions for the selection of RRKC thermostats
The following points should be paid attention to in the selection of intelligent thermostats:
(1) Dimensions (panel size, length)
(2) Enter the sensor graduation number (according to the matching sensor), display accuracy, and display resolution
(3) What is the main output (selected according to the controller)
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RRKC thermostat - common faults and solutions of stand-alone thermostats
Fault 1: The thermostat does not turn on (does not light up)
Analyze the causes
1. Wrong wiring
2. The voltage of the input terminal is not enough or the input terminal is damaged by empty opening and leakage
3. Whether the cable between the panel and the power board is broken or plugged incorrectly
4. Load short circuit or open circuit, probe ...
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RKC Thermostat Common faults of thermostats
The power indicator is normal, but the temperature control meter has no on-screen display. This kind of fault is mostly caused by the heating of the voltage regulator element (7805 or 7812) of the temperature controller during long-term use, resulting in a break point in the solder joint, and sometimes a virtual soldering occurs at the factory, resulting in re-soldering.
...
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What problems are easy to encounter in the use of RKCPT100 temperature sensor probes?
What problems are easy to encounter in the use of PT100 temperature sensor probes?
1. Is the output signal unstable?
A: Maybe it's the temperature instability of the temperature source itself, or the problem of on-site disturbance.
2. Is there a big error in the output of the transmitter?
Answer: This ...
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RLC thermostats – a common failure of mechanical thermostats
1. The terminal post of the thermostat is stuck and falls off
Cause the compressor not to start, the thermostat dynamic and static contacts can not be disconnected, so that the compressor does not run, the thermostat contacts can not be disconnected, so that the motor of the refrigerator compressor does not stop, in addition to the balance elastic force is too weak, it can also be ...
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Classification of thermostats and their brief introduction
Pop-up thermostat
Bimetal Disc Jump Thermostat is a kind of bimetal sheet after constant temperature as a heat-sensitive reaction component, when the temperature of the main part of the product rises, the heat generated is transferred to the bimetal disc, and when the operating temperature is set, it acts quickly, and acts through the mechanism to act as a contact ...
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RLC Thermostat – The reason why the temperature control meter shows HHH
The reasons why the temperature control table shows HHH are as follows:
1. The thermocouple signal line is reversed, or short.
2. If the temperature control meter is in normal use before, it is recommended to check whether the signal line of the thermocouple is broken.
3. The wire inside the thermocouple is broken.
4 ...
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RK thermostat - the selection and installation method and precautions of the central air conditioning thermostat
1. Thermostat output control power: The thermostat output control power is the first issue to consider when choosing a thermostat, which is related to the safety and stability of use, and may cause serious consequences if not selected properly, such as: fire. Thermostat products are marked with output control voltage and current, and the ...
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RKC thermostat - how to set the parameters of the thermostat?
1. Lower limit deviation alarm setting: press the SET key to select and display "SLP", the green display screen displays the value of the parameter, and select the shift, increment, and decrement keys to set or modify the parameter. This parameter indicates the difference between the alarm point and the master setpoint.
2. The upper limit deviation alarm is set ...
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