Temperature and humidity controllers are used in a wide variety of applications. The main element of the model is the sensor. Direct determination of temperature or humidity is carried out through conductors. To control this process uses a processor and microcircuit. Modern modifications are available with probes. However, to learn more about temperature and humidity controllers, you should familiarize yourself with their types.
Types of devices
First of all, separation is carried out according to the type of conductors. Today there are contact and needle devices. The first type allows you to measure air temperature. Needle conductors are most often used to determine moisture on an item.
Also, models vary in sensitivity. On the market are modifications of low, medium and high sensitivity. Another separation occurs by the type of sensor. There are switching, distribution, wire and pulse modifications.
PTD Model Overview 1
This temperature and humidity controller has two sensors. The conductivity parameter of the device is 1.3 microns. The model contacts are wired. To display the measurement results on the display, the control unit is used. In order to recharge the device, a rechargeable battery is used. The memory of the model has 20 measurements. The accuracy of determining the temperature is 1.2%. You can buy a model for 4300 rubles.
PTD 2 controller
The specified air temperature controller is most often used in laboratory conditions. Distinctive features of the device are high accuracy readings and sensitive contacts. The power supply in the device is used with a microcircuit. It is also important to note that this controller is very compact. The maximum allowable working temperature is 45 degrees. The contacts are wired type. To display the results, a display is used. The sensor at the device is installed switching type. For the construction industry, the model is not suitable. For these temperature controllers, the price fluctuates around 5200 rubles.
Description of the Extech controller
This controller for measuring temperature and humidity is often used in the industrial field. A distinctive feature of the device is a high conductivity index. Electrodes are used to transmit the signal to the control unit . The contacts in the device are wired type. In total, the model has two sensors. The error rate does not exceed 0.5%.
Do not use the device in a liquid environment. If we talk about design features, it is important to mention a quality battery. The model has not much memory. If you believe the reviews of specialists, then the protection system very rarely fails. The presented controller for measuring temperature and humidity is sold at a price of 4400 rubles.
Reviews for the model ADA ZHM 125
The specified temperature and humidity control controller is in demand in the construction industry. Among the features of the device, reviews note compactness, as well as a high-quality detector. The conductors of the model are set to medium sensitivity. The chip is provided with a catcher. The maximum allowable working temperature is 30 degrees. The electrodes in the device are used with a capacitor. The memory in the specified device is enough for 30 measurements.
The accuracy parameter of readings is at around 0.4%. The battery at the controller uses a small capacity. The device is not suitable for liquid media. The controller housing is provided with a PP20 series protection system. The user is able to buy a model at a price of 3500 rubles.
Model Overview ADA ZHM 133
This is an inexpensive and compact controller (regulator) of temperature and humidity. Customer reviews indicate a low margin of error. In this case, the sensor uses a switching type. In total, the model has one battery. In offline mode, the controller can work for about five hours.
The protection system of the case has a series of PP20. If you believe the experts, then failures in the chip rarely occur. The control unit is installed on five channels. The device is not suitable for laboratory research. You can buy this temperature sensor controller at a price of 4200 rubles.
Dinteck Controller Opinion
This temperature and humidity measurement controller is equipped with two sensors. There is a connector for connecting the device to a PC. The battery in it uses only one. The housing protection system is provided for the PP21 series. There is no trap in the model. Thus, the conductivity parameter of the device is not very high. If you believe the reviews, then failures in the control unit do not occur often. The model microcircuit is used with capacitors.
Measurement accuracy does not exceed 0.2%. For laboratory studies, the specified controller is well suited. However, it is important to note that it is prohibited to use it in a liquid medium. The model does not differ in sensitivity from previous devices. The maximum allowable working temperature is 55 degrees. You can buy this controller for measuring temperature and humidity for 3800 rubles.
HYDROEasy controller description
These temperature and humidity controllers are available for incubators of various manufacturers. In this case, the sensor is used switching type. In total, the model has two capacitors. Contacts are standardly used wired type. Controller calibration does not take much time. The device memory is enough only for 15 measurements. The maximum allowable working temperature is about 45 degrees. The battery in this case is designed for 360 mAh. It grabs her for about 3.5 hours of work. The presented controller for measuring temperature and humidity is sold at a price of 3600 rubles.
Reviews on the model ZFM 100-4
This is a professional and expensive controller for measuring temperature and humidity. Among the features of the model, reviews mention a quality sensor. The conductivity parameter does not exceed 1.4 microns. The display in the device is 3.5 inches. If you believe the experts, then failures in the chip occur infrequently.
The maximum allowable working temperature is 45 degrees. The housing protection system is provided for the PP22 series. The device memory is enough only for 14 measurements. The error rate does not exceed 0.5%. The electrodes in this case are connected to the contactor. To date, this controller measures the temperature and humidity of about 4600 rubles.
ZFM 100-5 Model Overview
Among builders, these temperature and humidity controllers are very popular. Among the distinctive features of the model, a high-quality control unit should be noted. In this case, the display is used at 3.5 inches. The housing protection system is provided for the PP22 series. The conductivity parameter does not exceed 1.4 microns. The contacts in the device are wired type.
If you believe the experts, then failures in the chip are rare. The error parameter of the controller does not exceed 0.4%. Allowable temperature level is 50 degrees. The model has enough memory for 35 measurements. According to reviews, the model passes calibration very quickly. The user is able to buy this controller for measuring temperature and humidity at a price of 4400 rubles.
TECNIX 590 controller review
These temperature and humidity controllers are used in the construction and chemical industries. Among the distinguishing features of the modification, the reviews highlight a high-quality control unit. The chip is used with wire diodes. It is also important to note that the model has a probe. The conductivity index of the controller is 1.2 microns.
The display is provided as a text type as standard. The instrument has a calibration function. Permissible temperature level is 40 degrees. If you believe the reviews, the protection system at the case is set to high quality. The catcher in this case is absent. You can buy a temperature and humidity controller in a store for 3700 rubles.
TECNIX 600 controller description
The indicated digital temperature controller is sold in rather compact sizes. In total, the device has two sensors. Their conductivity parameter is 1.3 microns. It is also important to note that the model has an electric catcher. Contacts are standardly used wired type.
The body protection system is used in the PP22 series. The permissible temperature threshold is 55 degrees. Feedback from experts suggests that failures in the microprocessor rarely occur. The model has enough memory for as many as 30 measurements. The standard controller kit has two batteries. You can buy a model in a specialized store for only 3400 rubles.
Reviews about the model TECNIX 620
The specified temperature and humidity measurement controller is used only in the chemical industry. The measurement accuracy of the device is 0.3%. If you believe the reviews of experts, then his sensors have good sensitivity. In total, the model has one conductor. Batteries are used at 200 mAh. You can buy this controller for measuring temperature and humidity for 4800 rubles.