Temp., Humidity, Gas & Environmental

About each part of the test:1. Test the relay module: connect the VCC relay module to 5V, GND to the ground, IN to GND, the relay jumps, and when IN is suspended, the relay recovers, so that you can hear the sound of the "Kaka" relay several times;2...

Description1. Temperature setting (ambient temperature required by the user): the user can adjust it on the thermostat or APP, the adjustment range is -40 to 99.9 Celsius2. Temperature difference setting: set the difference between the heating and...

Description MP - 2 smoke detection gas sensor adopts multilayer thick film manufacture process, Al in miniature2O3 Both sides of the ceramic substrate heater and metal oxide semiconductor gas sensitive layer respectively, sealing In a metal...

Description MP - 4 combustible gas sensors using multilayer thick film manufacture process, in miniature Al2O3Both sides of the ceramic substrate respectively make heater and MOS Gas sensitive layer, encapsulated within the metal shell.When the...

Sensitive material of the MQ131 gas sensor is O3 SnO2, which with lower conductivity in clean air. When Ozone gas exists. The sensor’s conductivity is more higher along with the gas concentration rising. Please use simple electro circuit, Convert...

Tgs-822 for the detection of vapors of organic solvents The element of detecting figaro gas sensors is Tin Oxide (SNO2) which has a low conductivity semiconductor in clean air. In the presence of detected gas, the increasing conductivity sensor depends...

The digital temperature and humidity sensor module uses the SHT30 chip, and the measurement data is factory corrected, linearized, and temperature compensated. With temperature and humidity alarm output and software and hardware reset function. Avoid use...

Description: Size: 32mm X22mm X30mm length * width * height Main chip: LM393, NH3 gas sensing probe Working voltage: DC 5V   Features: 1. It has a signal output indicator indication; 2. Dual signal output (analog output and TTL level...

Description: Size: 32x22 x27 mm  Main chip: LM393, ZYMQ-135 gas sensor Operating voltage: 5 V DC   Features: - Signal output indication. - Dual signal output (analog output and TTL level output) The output signal of - TTL is low. When...

DescriptionWidely used for temperature control or protection for household electric appliances.It is closed until the surface reaches 85 Celsius degree, then the switch opens.General purpose, automatic reset, low cost, large capacity, minute current...

DescriptionWidely used for temperature control or protection for household electric appliances.It is closed until the surface reaches 85 Celsius degree, then the switch opens.General purpose, automatic reset, low cost, large capacity, minute current...

Features: Model:XH-W3001Name:Temperature Controller1.Temperature measurement, display; refrigeration, heating control2.Temperature setting upper and lower limits3.Simple operation, suitable for seafood machines.4.Easy to install Specification: 1...

Features: Model:XH-W3001Name:Temperature Controller1.Temperature measurement, display; refrigeration, heating control2.Temperature setting upper and lower limits3.Simple operation, suitable for seafood machines.4.Easy to install Specification: 1...

Features:1.Automatic conversion of refrigeration and heating mode2.Control mode of return difference;Temperature display resolution 0.13.The temperature controller has the characteristic of high accuracy, high sensitivity, high stability.4.Support...

Features:1.Automatic conversion of refrigeration and heating mode2.Control mode of return difference;Temperature display resolution 0.13.The temperature controller has the characteristic of high accuracy, high sensitivity, high stability.4.Support...

Features: High quality digital humidity controller, durable in use. Simple panel: up and down two buttons, easy to set and operate. High measurement accuracy 0.1%, easy to read data. Wide measuring range of humidity 00%~99%RH , and wide application...

Features: High quality digital humidity controller, durable in use. Simple panel: up and down two buttons, easy to set and operate. High measurement accuracy 0.1%, easy to read data. Wide measuring range of humidity 00%~99%RH , and wide application...

Features: 1. Be able to control temperature and humidity at the same time. 2. Be able to connect with humidifier and dehumidifier equipment at the same time. 3. Be able to connect with refrigeration/ heating and humidifier/dehumidifier equipment at...

Features: 1. Be able to control temperature and humidity at the same time. 2. Be able to connect with humidifier and dehumidifier equipment at the same time. 3. Be able to connect with refrigeration/ heating and humidifier/dehumidifier equipment at...