| Product Name | Programmable Temperature Humidity Chamber |
| Volume, size and weight |
| Working Volume | 150L (can be customized) |
| Inner size | W500mm × H600mm × D500mm |
| Outer size | W1070mm × H1070mm × D1460mm |
| Weight | 300KG |
| Performance |
| Test environmental conditions | Environmental temperature +5~+28℃, relative humidity≤85%, under the
condition that no sample inside the test chamber |
| Test method | According to IEC60068-2, IEC60598-1 |
| Temperature range | -40℃～+150℃ |
| Temperature control precision | ±0.2℃ |
| Humidity control precision | ±2.5% RH |
| Temperature uniformity | ±2℃ |
| Humidity uniformity | ±3.0% RH |
| Heating up time | 3℃/min (Average heating up rate) |
| Cooling down time | 1℃/min (Average cooling down rate) |
| Operating noise | A sound level ≤50dB(A) (Measured at ambient temperature 25 ℃, in echo-less interior; use
A-weighted to test average of 8 points; each test point level is 1
meter away from the noise source, the height from the ground is
1meter). |
| Structure |
Thermal insulation Enclosure | Outer material: high quality stainless steel plate 2 Inner wall material: high quality stainless steel mirror plate
(seal can withstand high and low temperature range of -100 degrees
- + 300 degrees, life expectancy of 10 years) 3.The cabinet thermal insulation materials: rigid polyurethane foam
+ fiberglass |
Air conditioning Channel A | 1. Adopt multi-blade centrifugal circulating fan, and aluminum
alloy rotation blades (strengthened axis plus, high temperature
resistance), to achieve the forced convection. 2. FLOW THROW air supply; horizontal diffusion vertical heat
exchange curved loop. 3. Adjustable side vents blow and retaining return air. |
Standard configuration | Observation window: Transparent electric membrane hollow glass one
(on the door) Pin holes:. Φ50mm 1 (In the left side of Cabinet) 3. Preparation of interior lighting on the door(high longevity
CFLs) 4.Mobile Casters: 4 5. Fixed feet Cup: 4 (height adjustable) 6. Sample frame: two layers of stainless steel sample holder, load
(uniform): 25kg / layer ( The cumulative total load of the inside sample do not exceed:
100kg) 7. Test gauze: 1 package (5) 8. PC communication software CD, 1 communication cable |
| Door | Single opening hinged door (facing Cabinet, the left hinge, right
hand), with observation windows, lighting, window / door
anti-condensation of electric devices |
| Control Panel | The controller display, RS232 PC communication interface, power
switch and status indicator |
Mechanical Room | Refrigeration units, water tray, drainage holes Condenser fan, condenser inlet, supply tank |
| Distribution control cabinet | IO board, machine transformers, ballasts, relays, time relays,
solid state relays, AC contactors, thermal relays, fuses, air
switch |
| Heater | Nickel-chromium alloy heating wire heater The heater control mode: Non-contact equivalent periodic pulse
width modulation, SSR (solid state relay) 3. Heater power: 12KW |
Humidifier (Damp-heat only) | 1. External detachable boiler humidification method 2. Stainless steel sheathed heater 3. Heater Control: non-contact equivalent periodic pulse width
modulation, SSR (solid state relay) The water level control devices, anti-dry heater, sediment
collection devices, liquid level viewing window 5. humidifier Power: 2.5KW |
Waterway (Damp-heat only) | 1. The supply tank 50L, including low water level indication,
removable cleaning 2. Efficient electromagnetic extrusion pumps, continuous operation
5000H 3.RO film + activated carbon water filters, removable cleaning 4.The high and low double-level electronic level switch, to prevent
malfunction 5. The dry air burning over-temperature protection + ultra-low
water level protection + overtime to ensure safe operation of
equipment 6. Backwater PP cotton filter, reduce equipment water consumption,
taking into account the return of impurities |
| Power cord holes and drainage holes | Located on the back of cabinet |
| Cooling System |
| Operation method A | Using two compression |
| Refrigeration Compressors | Fully closed low noise compressor rotor |
| Evaporator | Finned tube heat exchanger (doubles as dehumidifier) |
| Condenser | Air-cooled: finned tube heat exchanger. |
| Throttling device | Expansion valve +Capillary |
Plate heat exchanger (Cascade refrigeration system) | Stainless steel brazed plate heat exchanger |
| Chiller control | 1. The control system automatically adjusts the best energy-saving
running conditions of the refrigerator based on test conditions 2. The evaporator cooling capacity switched by the solenoid valve
of the driven control system 3. The return air compressor cooling circuit |
| Refrigerant | R404a/R23 (Ozone depletion indices are 0, R23 for cascade
refrigeration system) |
| Electrical Control System | |
| Controller Model | Korea TEMI880 |
| Display | Korea TEMI880:5.7 inch,640×480 dot matrix,TFT Color LCD display |
| Running method | Program mode, valuation method |
| Setting Mode | TEMI880 English menu , touch screen input mode |
| Program capacity | TEMI880(Touch) 1. Program: Maximum 100 groups 2. Number of segments: Maximum 10,000 segment 3. The number of cycles: Maximum infinite loop |
| Range | Temperature: adjustment the temperature according to operating
range of the device |
| Resolution | Temperature: 0.1 ℃; Time: 1min; Humidity: 0.1% RH (temperature and
humidity testing equipment) |
| Input | PT100 Platinum RTD |
| Communication function | RS-232Interface, with computer communications software |
| Control | 1. The anti-windup PID 2.BTC balanced temperature control mode + DCC intelligent cooling
capacity control + DEC intelligent electrical control (temperature
test equipment) 3.BTHC balance of temperature and humidity control mode + DCC
intelligent cooling capacity control + DEC intelligent electrical
control (temperature and humidity testing equipment) |
| Curve recording function | Having RAM with battery protection, set values , samples and
sampling time period can be stored; maximum recording time of 180
days (when the sampling period is 60S) |
| Subsidiary function | 1. The fault alarm ,causes and handling prompts 2. The power protection 3. The upper and lower temperature protection The calendar timer function (automatic start and automatic stop
running) 5. The self-diagnosis function. |
Software Environment (User supplied) | IBM PC compatible, CPU PⅡabove, 128M or above memory, with RS-232
communication interface |
| Temperature and humidity measurements | Temperature: PT100 platinum RTD Humidity: wet and dry bulb thermometer method (Damp-heat only) |
| Damp-heatwater heat system (Damp-heat only) |
| Water supply | Pump upgrade |
| Water supply device location | Drawer front tank |
| Tank volume | 50L (Portable) |
| Water quality requirements | Resistivity ≥500Ω·m |
| Safety devices |
| Cooling System | 1. The compressor overheating 2. Compressor overcurrent 3. The compressor overpressure 4. The condenser fan overheating |
Humidification system (Damp-heat only) | 1. Add dry heat pipe 2. The water level exception 3. Water overtime |
| Chamber | 1. Adjustable over-temperature 2. Air conditioning channel limit over-temperature 3. The fan motor overheating |
| Other | 1. Total power phase sequence and phase loss protection
(three-phase power supply available) 2. overload and short circuit protection 3. The Cabinet door opening many times that causing cooling system
failure alarm protection |
