768L Programmable Constant Temperature and Humidity Test Chamber IEC60068-2-1
Complied Standards & Clauses
It conforms to standards:
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”
IEC60068-2-78:2012 “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”
Product 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
| Control & Operation | PLC and touch screen intelligent control system |
| Chamber Size | Inner Size | External Size |
| 800*1200*800 mm (W*H*D) | 1080*2250*1850 mm (W*H*D) |
| Temperature Range | -40 °C ~+100°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 |
| Load condition | None |
| Structural features |
| Insulation enclosure structure | 1. Outer wall material: A3 board spraying. 2. Inner wall material: brushed stainless steel plate SUS﹟304. 3. Chamber thermal insulation material: 100mm high temperature resistant rigid polyurethane foam. 4. Chamber door insulation material: 100mm high temperature resistant rigid polyurethane foam. |
| Bottom structure strength | The weight capacity of the track at the bottom of the test chamber: ≤100Kg/m² (load) |
| Air conditioning channel | 1. Stainless steel long-axis centrifugal fans: 2 sets/90W. 2. Fan, heater, evaporator (also dehumidifier), drainage device, pressure balance port, adjustable air deflector, temperature sensor |
| Standard configuration of test chamber | 1. Observation window: 400x600x40mm 3-layer vacuum tempered glass 2. Flat embedded handles 3. Door hinges: SUS #304 imported hinges 4. Energy-saving lamp inside the chamber 5. Lead hole: φ50mm 1 piece |
| Chamber door | 1. The single-piece door opens outwards, with the hinge on the left and the handle on the right (when facing the front of the box). 2. Equipped with a safety door locking mechanism (the door can be opened in the test room), the door is equipped with electric heat to prevent condensation, and the visible range of the insulating glass observation window (W400×H600mm). The door frame is equipped with an anti-condensation electric heating device. |
| Control panel | Controller 7-inch display screen, temperature (humidity) control display screen, operating indicator light, and lighting button. |
| Mechanical room | Refrigeration unit, compressor water tray, pressure relief device, heating device |
| Power distribution cabinet | Distribution board, cooling fan, main power switch, transformer, intermediate relay, time relay, solid-state relay, AC contactor, circuit breaker |
| Heater | 1. Fin-type radiator-shaped stainless steel electric heater 2. Heating control method: SSR (Solid State Relay) non-contact equal period pulse width modulation 3. Heating power: approximately 3KW |
| Power cable hole | Located on the back of the chamber |
Details
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768L Programmable Constant Temperature and Humidity Test Chamber IEC60068-2-1 Images
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