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The characteristics of the temperature sensor temperature
1. Strong anti-jamming capability, output of 4 ~ 20 ma dc current, is not affected by circuit resistance, no signal transmission loss, the transmission distance.
2. 4 ~ 20 ma is a unified standard signal, not for processing;
3. Saves more expensive compensating lead wires;
4. No separate flexible thermal resistance, thermocouple and temperature sensor
today and share is the characteristics of the temperature sensor, temperature hope to help you! If you want to know more products information you can call the company telephone consultation! Serve you wholeheartedly!
introduction to temperature temperature sensor calibration
check reason of preheater temperature measurement using thermal resistance and thermocouple temperature measurement components. Thermal resistance temperature measurement range is small, and the temperature of the preheater is as high as 1000 degrees Celsius, therefore, adopted thermocouple temperature measurement is an effective means. Thermocouple is divided into integration of thermocouple and the integration of thermocouple. In our company with the integration of thermocouple, through temperature temperature sensor, electrical signals into signals to the central control room, provide the reference for the operator. The integration of thermocouple by using two wire system, through temperature temperature sensor connection company of DCS system, central control room to return. In the process of measuring, some temperature sensors are greatly influenced by the environment temperature, zero and full working hours of different level drift will happen. This needs effective means for timely and accurate calibration.
no signal output temperature temperature sensor failure,
no signal output failure reason of temperature temperature sensor has several judgment method:
1 temperature sensor output, check to see if the temperature sensor power supply by reverse;
take power supply polarity correctly.
2 measuring temperature sensor of power supply, if there is a 24 v dc voltage;
must make the pledge that we shall supply the power of the temperature sensor voltage 12 v (or The temperature sensor power input voltage of 12 v or higher) 。 If there is no power supply, should check whether the circuit disconnection, whether testing instrument selection error ( Input impedance should be 250 or less Ω) ; And so on.
3 if is integrated with a header, check whether the header is damaged, Header in the first two wire short circuit, if the normal after short circuit, the header is damaged) ;
the damage to the meter to the other in headers,
4 string into the 24 v power supply circuit, current meter to check whether the current is normal;
if the normal temperature sensor is normal, should check other instrument in the circuit is normal at this time.
about some knowledge of the temperature sensor temperature
air temperature sensor for the wall temperature, for indoor use. Wall-mounted optional LCD screen, easy to read and record. The product adopts the weather stations of outdoor use shutter box material, adopt ABS material, uv radiation, and greatly improving the service life.
the temperature of the temperature sensor can be simply interpreted as a humidity temperature sensor and a temperature sensor, voltage or current through a circuit to transmit signal, or through the main control chip output RS485 signals directly.
research shows that the temperature and humidity are closely related. The body feeling not only affected by temperature and humidity, and is the result of the combination of temperature and humidity. So, in certain conditions of temperature, air humidity should remain relatively stable. The concept of integration of the temperature and humidity accordingly.
in some farms, livestock growth and temperature and humidity are inseparable. Only under the right circumstances, under proper temperature and humidity, they can grow faster, we can obtain more benefits. In some of the warehouse, we need to know the real-time temperature and humidity changes, what kind of goods is more suitable in what kind of environment, and so on.
the temperature of the temperature sensor is high cost performance, can be used in different environments and places; Optional temperature range; The output signal is optional; Long-term stability is good, the use of flexible occasions; Long service life.
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