Constant temperature and humidity control cabinet
Description:
Constant temperature and humidity control cabinet widely used in workshop, exhibition, archives, laboratory, network station.
Our control system for constant temperature and humidity can save much energy,reduced the working time of compressor, extend the working time of facilities. PLC is the key unit in our system,it has good stable, Strong anti-interference ability.The system fixed warm humidity transmitter as digital transmission.long transmission distance, free of electrostatic interference. Control precision.
System hardware structure:
The core of system is Siemens PLC, touch screen as human-computer interface. the temperature and humility transfer by sensor, It is processed into digital signal by single chip, via RS485 wire transfer to PLC, and data processing, and controlled via PID. Keep constant temperature and humility controlling compressor, humidificatin valve,fan valve.
The procedure of control for constant temperature and humid:
There are 5 method from PLC controlling.
1. monitor status. The system only reads the temperature and humidity of the environment,without controlling.
2. Hand control status.when compressor forced operation need hand control.You can touch compressor 1, compressor 2 for start.
3. Automatic humidification, When start this method, the system will work according fixed upperlimit & lowerlimit.
4. Automatic temperature control. When start this method, the system will work according fixed upperlimit & lowerlimit. At the same time, monitor the outdoor temperature is less than 14
5. Circulation working: combination method 3 & method 4. Temperature controlling then humidification controlling.
Ultra low humidity dry cabinet Humidity range: under 5%rh Outside dimension: w1200*d672*h1820mm kes. Grounding wire: 1m�g[. (940mm long) Esd paint: 103~109�g[. (surface resistance) Power consumption: ave. 105wh; max. 585w There are different sizes offered. This one is the biggest capacity. External dimensions (mm) W1200*d672*h1820 Internal dimensions (mm) W1198*d645*h1618 N.W.147 kgs g.W.226 kgs
=function= Humidity dry boxes are designed to protect the electronic gadgets and valueable collections from moisture damage. A1B type is adjustable from 1%rh to 50%rh. The interior environment is controlled by precise digital controller. The storage condition of relative humidity and temperature can be traced and graphed easily by dr. Storage!|s data logger. =specification= Humidity range: 5~50%rh (adjustable) External dimension: w1200*d672*h1820mm Internal dimension: w1198*d645*h1618mm Capacity: 1250l Shelves: 5 shelves Color: black Voltage: 110v/230v (select voltage in advance) Display precision: +/- 3%rh, +/- 0.5 Software: Humidity Manager for drawing the curve of RH and Temp. Structure: 1mm thick carbon steel with anti-static paint. Door: handles, airtight magnetic sealers and anti-static glass. Wheel: four anti-static 3inch wheels, two of them with brakes. Grounding wire: 1.0MΩ.(Length 2.0M) External dimensions (mm) W1200*d672*h1820 Internal dimensions (mm) W1198*d645*h1618 N.W.139kgs g.W.214kgs
Supplier: Dry box, dry cabinet, humidity control system, hygrometer, 40 degree baking cabinet, humidity control cabinet, nitrogen flow meter, nitrogen controller, data logger
Specification ing equipment is equipped with upper, middle and lower three-point lock, ensuring the seal of the cabinet, and its protection grade is ip55. 7. Three cover plates of bottom plate incoming holes can be replaced mutually and move freely, facilitating the leading of cables, the opening of the holes and incoming of wires. 8. The base is convenient to assemble and disassemble. 9. Specifications and open pore changes are customizable according to customer demands. surface treatment: degreasing, pickling, phosphating, electrophoretic primer, electrostatic spraying or stainless steel wiredrawing material: high-quality cold-roll steel sheet or sus304 stainless steel, door thickness: 2.0mm, cabinet thickness: 1.5mm, mounting plate: 2.5mm color: main color: ral7035, mounting plate color: original color of galvanized sheet Pp+foam+carton
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