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The Constant Temperature and Humidity Test Chamber is a testing device designed to simulate environments with stable temperature and humidity. It is widely used in product reliability testing,quality control, and research& development. During operation, the tempera- ture and humidity settings are closely interrelat- ed, requiring coordinated adjustment to ensure accurate environmental conditions.
Working principle
The constant temperature and humidity test chamber consists of two parts: temperature regulation (heating, cooling) and humidification.
Through the rotating fan installed on the top of the chamber, the air is discharged into the chamber to achieve gas circulation and balance the temperature and humidity in the chamber.
The data collected by the temperature and humidity sensor built in the chamber are transmitted to the temperature and humidity controller (micro Information processor) performs editing and processing, and issues temperature and humidity adjustment instructions, which are completed through the joint efforts of the air heating unit, condensation tube, and heating and evaporation unit in the water tank.
The temperature adjustment of the constant temperature and humidity chamber is to collect data through the temperature sensor built into the chamber, adjust it through the temperature controller (micro information processor), and connect the air heating unit to increase the temperature or adjust the refrigeration solenoid valve to reduce the temperature inside the chamber. Achieve the temperature required for control.
The humidity adjustment of the constant temperature and humidity chamber is to collect data through the built-in humidity sensor, adjust it through the humidity controller (micro information processor), connect the water tank heating element, and evaporate the water in the water tank to increase the humidity in the chamber or adjust the refrigeration.
A Solenoid valve is used to achieve dehumidification to achieve the required humidity control.
The constant temperature and humidity chamber is equipped with multiple protection measures; the temperature system is equipped with an over-temperature protector under the condition that the maximum safe allowable temperature can be set, and the air heating element can automatically cut off power when the rotating fan stops; the humidification system can be adjusted according to the water level of the humidification tank. The power supply will stop when the temperature drops; the refrigeration system will also stop working as the temperature of the chamber increases (over 40°C) or the humidity increases.
| Model | CTH-20L-70-CP-A/W | CTH-30L-70-CP-A/W | CTH-64L-70-CP-A/W | CTH-80L-70-CP-A/W | CTH-150L-70-CP-A/W | CTH-408L-70-CP-A/W | CTH-800L-70-CP-A/W | CTH-1000L-70-CP-A/W | |
| Chamber design | |||||||||
| Volume | L | 20 | 30 | 64 | 80 | 150 | 408 | 800 | 1000 |
| Inner Size (cm) | W | 34 | 30 | 40 | 40 | 50 | 80 | 100 | 100 |
| H | 40 | 40 | 40 | 50 | 60 | 85 | 100 | 100 | |
| D | 15 | 25 | 40 | 40 | 50 | 60 | 80 | 100 | |
| Outer Size (cm) | W | 50 | 85 | 56 | 60 | 70 | 100 | 120 | 120 |
| H | 86 | 100 | 105 | 146 | 156 | 182 | 197 | 197 | |
| D | 86 | 65 | 85 | 123 | 133 | 135 | 155 | 175 | |
| Temperature test parameters | |||||||||
| Temperature range | -70ºC - +150ºC | ||||||||
| Heating rate | 3ºC /min; Empty testing 3.5ºC/min | ||||||||
| Cooling rate | 1ºC/min (Acceptance of non-standard customization) | ||||||||
| Temp.fluctuation | ºC | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 |
| Temp. uniformity | ºC | 3.5 | |||||||
| Temp. deviation | ºC | ±2 | ±2 | ±2 | ±2 | ±2 | ±2 | ±2 | ±2 |
| Humidity test parameters | |||||||||
| Humidity range | %RH | 10%R.H-98%R.H | |||||||
| Humidity deviation | %RH | ±3 | ±3 | ±3 | ±3 | ±3 | ±3 | ±3 | ±3 |
| Humidity fluctuation | %RH | ±2 | ±2 | ±2 | ±2 | ±2 | ±2 | ±2 | ±2 |
| Humidity uniformity | %RH | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Temperature and humidity range chart | |
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| Power supply and connections (based on actual configuration in use) | |||||||||
| Power Supply | AC220V | AC220V | AC220V | AC3800V | AC380V 50HZ | AC380V 50HZ | AC380V 50HZ | AC380V 50HZ | |
| Max. current | A | 20 | 20 | 20 | 26.4 | 11 | 12.6 | 19.4 | 21.4 |
| Max.power | KW | 4.4 | 4.4 | 4.4 | 5.8 | 7 | 8.3 | 12.6 | 14.1 |
| Control method | PID+SSR | ||||||||
| Temperature/humidity (use ambient) | A : air cooling: +5ºC - +28ºC/≤85%RH W : water cooling( Water temperature 10 ºC-28ºC,Water pressure 0.25-0.4Mpa) |
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| System components | |||||||||
| Raw Material | External material |
Baked-painted electro-galvanized steel panel | |||||||
| Chamber material | SUS#304 stainless steel plate | ||||||||
| Thermal insulation material | Rigid polyurethane foam (+ rock wool) | ||||||||
| refrigeration system | Cooling method | Single-stage mechanical compression refrigeration; A: air-cooled / W: water-cooled | |||||||
| Compressor | Fully hermetic scroll compressor by Tecumseh (France) / Copeland Emerson (USA) | ||||||||
| Refrigerant | CFC-free eco-friendly refrigerant HFC R404A | ||||||||
| Heating system | Nickel chromium wire heater | ||||||||
| Circulating fan | Centrifugal fan | ||||||||
| Observation window | Single swing door with triple-layer heated anti-condensation vacuum glass observation window; door frame equipped with automatic electric heating anti-frost / anti-condensation system |
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| Temperature sensor | Platinum resistance PT100 | ||||||||
| Humidity sensor | Dry and wet bulb sensor | ||||||||
| Temperature and humidity controller | High-precision resistive touchscreen, supports external USB mouse; historical curve recording, PID +SSR/SCR automatic bidirectional synchronous output |
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| Noise | dB(A) | ≤70dB(A sound level) | |||||||
| Accessories | Two stainless steel shelves; built-in 15L plastic pull-out water tank; two cable ports (∅50mm / ∅100mm), one on each side of the chamber; operation status indicator light |
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View more details, you can click product keywords....
| Hot Air Oven | Non-dust oven | Vacuum oven |
| Conveying drying machine | Temperature and humidity test chamber | Thermal shock test chamber |
| Mechanical accessories | Electronic accessories | Others |
C SAIL was established in 2005 in Chang'an Town, Dongguan City, we have been committed to the innovation and production of a variety of drying ovens and test equipment. With 20+ years of development and industry experience, and served 30+ industries. Annual output reaches 1500+ sets. Customers are located in 50+ countries. Provide 12 hours online after-sales technical support service, and arrive at customer's place in 5 working days.
Q: Are you trading company or manufacturer?
A: We are both manufacturer and trading company.
We have 20+ years' professional experience as an industrial drying equipment manufacturer. Our production factory covers area about 20000M2 and exports machines 1500+ sets per year.
Q: Is OEM or ODM service available?
A: Most of the products are available for OEM / ODM customization.
Q: How about your service ?
Pre-sales service:
24-hour online service for your consultation.
Help to choose the right model, as well as a series of services, personnel, suggestions.
Intermediate service:
Give you the best quotation with suitable & convenient payment terms and method.
Timely production and delivery, notify you in a timely manner.
After-sales service:
Technical training: equipment operation, daily maintenance and warranty, common fault diagnosis and troubleshooting
Regular tour service: discover problems in advance and eliminate equipment and human hidden dangers in time.
Technical guidance: additional valuable special services can be provided according to the needs of users.
Q: When will make delivery ?
A: Generally, the lead time for the stocked products is about 7~10 days, vary by models and production schedule. For those customized products, the manufacturing lead time is around 30~ 60 days.
Q: How about quality of the goods?
A: Since the establishment of our company, relying on the technology superiority, we aim at the domestic and international research & drying equipment market. We cooperate with a lot of big customers, such Panasonic, Threebond, Hisilicon, Gree, HUAWAEI etc. Welcome to our company and watch our plant production condition any time.
Q: Transportation
A: Transported by DHL, UPS, EMS, Fedex, Air freight, sea freight etc.
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