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| Categories | Temperature Humidity Test Chamber | 
|---|---|
| Brand Name: | PERFECT | 
| Model Number: | PT-2091 | 
| Certification: | ISO9001 | 
| Place of Origin: | Dongguan City,Guangdong Province, China | 
| MOQ: | 1 Set | 
| Price: | Negotiable | 
| Payment Terms: | T/T, L/C, Western Union | 
| Supply Ability: | 50 Sets Per Month | 
| Delivery Time: | 20-25 Days Afer Deposit | 
| Packaging Details: | Standard exported wooden case | 
| Humidity Range: | 20%R.H ~ 98%R.H .Normal | 
| Temperature Range: | -20℃ ~ 150℃(lowest about -70℃) | 
| Inner Material: | SUS#304 stainless steel. | 
| Outer Material: | Spray color galvanized steel sheet. | 
| Inner Cabinet (mm): | 40×40×50,50×60×75cm and other sizes | 
| Insulation Materials: | Ultra-fine glass fiber insulation cotton. | 
| Cooling rate (℃): | 0.7 ~ 1℃/min (No-load) | 
| Port: | Shenzhen, Guangzhou,HK | 
| Company Info. | 
| Perfect International Instruments Co., Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Simulated Temperature Humidity Controlled Environmental Test Chamber Floor Type
PT-2091 Constant Temperature & Humidity Testing Ma...
Purpose:
This Simulation Temperature Humidity Controlled Environmental Test Chamber is mainly used for products in accordance with the requirements of the national standard or user-defined requirements, at low temperatures, high temperature, humidity and temperature cycling conditions, physical and other relevant characteristics of the product environmental simulation test, after tested by detecting to judge the performance of the product, it is still able to meet predetermined requirements in order for the product design, improvement, identification and factory inspection use.
Simulated Temperature Humidity Chamber Features:
Specification
| Model No. | PT-2091A | PT-2091B | PT-2091C | PT-2091D | PT-2091E | 
| Inner Cabinet (mm) | 400×400×500 | 500×500×600 | 500×600×750 | 600×800×850 | 1000×800×1000 | 
| Temperature Range (℃) | F: -20℃, L: -40℃, T: -60℃, G: -70℃ ~ 150℃ | ||||
| Item Name | Simulated Temperature Humidity Controlled Environmental Test Chamber Floor Type | ||||
| Humidity Range (%RH) | 20%R.H ~ 98%R.H | ||||
| Temperature Fluctuation (℃) | ±0.5℃ | ||||
| Temperature uniformity (℃) | ≤ ±2℃ | ||||
| Humidity fluctuation (%RH) | ±2.5%RH | ||||
| Humidity uniformity (%RH) | 
 | ||||
| Heating rate (℃) | 3℃/min (No-load) | ||||
| Cooling rate (℃) | 0.7 ~ 1℃/min (No-load) | ||||
| Temperature and humidity control system | LCD digital display controller. | ||||
| Heated Humidification system | Nichrome wire-efficiency heater, UL-shaped stainless steel plating heater | ||||
| Cooling System | 
 | ||||
| Inner Material | SUS#304 stainless steel. | ||||
| Outer Material | Spray color galvanized steel sheet. | ||||
| Insulation Materials | Ultra-fine glass fiber insulation cotton. | ||||
| Communication | Equipped with a standard RS232C / RS485 communication interface, the maximum transmission distance of 1.2Km, the fastest communications up to 9600bps, can be realized with a computer connected to the remote monitoring, easy to operate. | ||||
| Subsidiary function | Fault alarm and reason prompts, you can change the name of the fault, the upper temperature limit protection, timing and the reservation (automatic stop and start function), multiple (up to 6 groups) PID temperature control separate segments, curve display and save the function display PV curve 0-8 days. Temperature can be set according to the linear operation (liters can set per hour up / cooling rate). | ||||
| Standard configuration | 
 | ||||
Test area Picture:

Simulated Temperature Humidity Chamer Work principle:
A.. The controlling system for adjusting temperature and humidity evenly controls SSR through PID. It makes the heating and moisture content equal the loss of heating and moisture
B. The dry and wet balls are used for measuring temperature signal by comparing the A/D conversion input controller CPU and RAN, and input to I/O board. The I/O board gives commands and instructions to operate air circulation system and cooling and freezing system, meanwhile, PID controls SSR, or heats or humidifies SSR for operation in order to make the hot and wet content deliver to the test box evenly through air circulation system, and finally achieve the purpose of adjusting the temperature and humidity evenly.
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