Sinuo Testing Equipment Co. , Limited
Sinuo Testing Equipment Co., Limited
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50m3 Walk In Temperature Humidity Environment Stability Test Chamber
Complied Standards & Clauses
IEC60068-2-78:2012 “Environmental Testing-Part 2-78: Tests-Test Cab: Damp heat, steady state, IDT”
IEC60068-2-30:2005 “Environmental Testing-Part 2-30: Tests-Test Db: Damp heat, cyclic (12h+12h cycle) , IDT”
IEC60068-2-1:2007 “Environmental Testing-Part 2-1: Tests-Test A: Cold, IDT”
IEC60068-2-2:2007 “Environmental Testing-Part 2-1: Tests- Test B-Dry heat, IDT”
Equipment Overview
Samples and Restrictions: Electrical, electronic, mechanical and large parts, semi-finished products, finished products, etc.
Applications: It is used for high and low temperature and damp heat tests on electricians, electronics, machinery, and large parts, semi-finished products, and finished products. Process quality and reliability testing of products, parts, etc. under simulated temperature and humidity conditions.
Test Principle: The heating, humidification and refrigeration system is used to control and change the ambient temperature and humidity in the chamber, simulating the ambient temperature / humidity and alternating procedures required by the testing.
Structure: Adopts closed chamber structure.
Technical Parameters
| Control & Operation | PLC and touch screen intelligent control system | |
| Chamber Size | 50m3: WDH=5×2×5m Can be customized | |
| Temperature Range (Optional) | Maximum test temperature: 80 ° C, 120 ° C; Minimum test temperature: -60 ° C, -40 ° C, -20 ° C, 0 ° C | |
| Temperature Deviation | ≦±2.0℃ | |
| Temperature Fluctuation | ±0.5℃ | |
| Temperature Uniformity | ±2℃ | |
| Humidity Range | 30%〜98%RH | |
| Humidity Deviation | ±5.0％RH | |
| Heating Rate | ≤2.5°C/min (nonlinear, no load) | |
| Cooling Rate | Average 1.0 ° C / min | |
| Temperature and Humidity Range Icon |  | |
| System Main Composition | ||
| Chamber Body | The inner chamber is made of SUS304# stainless steel plate, rounded shape, smooth, easy for clean | |
| The outer chamber is made of A3 cold-rolled steel plate electrostatic double-sided spray or SUS304 stainless steel | ||
| Lead hole: inner and outer chambers are equipped with a threading hole with a rubber stopper | ||
| Insulation material: polyurethane foam | ||
| Observation window: double-layer explosion-proof tempered glass door | ||
| Heating System | Heating method: electric heating | |
| High quality nickel-chromium wire electric heater, contactless control (SSR) | ||
| Humidification System | Humidification method: external humidification structure | |
| Cooling System | German Bock semi-tight compressor or German BITZER semi-compact compressor | |
| Non-fluorine environmentally friendly refrigerant R404A R23, in line with environmental regulations, safe and non-toxic. | ||
| Shell and tube condenser (water cooled). | ||
| High-performance fin type automatic load capacity adjustment, long-term use of low temperature and high humidity conditions without frosting. | ||
| Control System | Touch screen: Weinview programmable temperature and humidity controller (7 inch 16-bit true color touch screen) | |
| Temperature control: PID self-tuning, using Class A PT100 platinum resistance sensor | ||
| Function: fixed value test and program test Fixed value test: When the test environment requires only a single temperature and humidity, selecting this mode to set the required temperature, humidity and running time. Program test: When the test environment requires multiple temperatures and humidity, select this mode to set the temperature, humidity and running time of each program. User can set the program running sequence. The program group is up to 100 groups. | ||
| Data Storage | With temperature and humidity curve interface, with standard R232 interface or U disk communication interface, the data can be downloaded, and the data changes and processes can be recorded. | |
| Safety Protection | Power-off memory function, phase sequence protection, leakage protection, over-temperature protection, compressor overload protection, water shortage alarm, abnormal protection | |
| Safety Protection Device | Heater air-burning protection switch, heater over current circuit breaker, circulating fan over current overload protection | |
| Compressor high voltage protection switch, compressor overheat protection switch, compressor over current protection switch | ||
| Under-reverse phase circuit breaker, no-fuse switch, zero-crossing gate fluid power controller | ||
| Alarm Indication | When the above protection occurs, the equipment stops running, an audible and visual alarm is issued, and the fault location is displayed on the meter. | |