Sinuo Testing Equipment Co. , Limited
Sinuo Testing Equipment Co., Limited
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Environmental Testing Temperature and Humidity Chamber 408L
Complied Standards & Clauses
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”
IEC60068-2-30:2005 “Environmental Testing-Part 2-30: Tests-Test Db: Damp heat, cyclic (12h+12h cycle), IDT”
IEC60068-2-78:2012 “Environmental Testing-Part 2-78: Tests-Test Cab: Damp heat, steady state, IDT”
Equipment Overview
This test chamber is used for cold, heat, humidity and dryness testing of raw materials and devices such as electronics, electricians, electrical appliances, plastics, etc. The purpose is to confirm the products reliability of storage and transportation under high and low temperature alternating heat and humidity.
Technical Parameters
| Technical Parameters | ||
| Control & Operation | PLC and touch screen intelligent control system | |
| Chamber Size
| Inner Size | External Size |
| 800*600*850 mm | 1350*1150*1950 mm | |
| Temperature Range | -40 °C ~+180°C | |
| Humidity Range | 20%～98%RH | |
| Temperature fluctuation | ±0.5℃ | |
| Humidity fluctuation | ≤2.5% | |
| Temperature deviation | ≤±2.0℃ | |
| Humidity Deviation | ≤±3% | |
| Heating Rate | ≧2-3°C/min | |
| Cooling Rate | ≧1°C/min, average no load | |
| Conditions of use | |
| a) Installation site | The ground is flat, well ventilated, and does not contain flammable, explosive, corrosive gases and dust There is no strong electromagnetic radiation source nearby. There is a drainage floor drain near the equipment (within 2 meters of the refrigeration unit). The bearing capacity of the site ground: not less than 800kg/m2. There is appropriate maintenance space around the equipment.
A: not less than 600mm B: not less than 1000mm C: not less than 100mm D: not less than 600mm |
| b) Water source requirements | 1. Purified water must be used 2. Tap water must be treated |
| c) Environmental conditions | 1. Temperature: 5℃～35℃ 2. Relative humidity: ≤85% 3. Air pressure: 86kPa～106kPa |
| d) Power supply
| AC380V three-phase four-wire + protective ground wire Allowable voltage fluctuation range: AC (380±10)V Allowable frequency fluctuation range: (50±0.5)Hz Protective ground wire grounding resistance is less than 4Ω The user is required to configure an air or power switch of corresponding capacity for the equipment at the installation site, and this switch must be used independently for this equipment |
| Power capacity | About 11kW |
| Maximum current | 23A |
| Power switch | 32A (molded case leakage protector) |
| e) Environmental requirements for storage equipment | When the equipment is not working, the ambient temperature should be kept within 0℃～+45℃ |
