The high and low temperature alternating humidity and heat test chamber is designed to simulate a wide range of environmental conditions, making it ideal for testing the performance of electronic components, finished products, semi-finished items, semiconductors, rubber, adhesives, and metal materials. It meets various standards such as GB/T 2423.1-2008, GB/T 2423.2-2008, GJB 150.3-1986, GJB 150.4-1986, GB/T 2423.4-2006, and GJB 150.9-1986, ensuring reliability and stability under harsh conditions.
![]()
**I. Overview** 1. Equipment requirements for this project include:
2. This equipment can simulate various temperature and humidity environments and is used for product testing in multiple industries. It ensures compliance with technical specifications and quality standards.
3. All technical requirements must be fully met by the bidder. Any false information will result in full responsibility and losses upon verification. Bidders must answer all technical questions item by item and align their responses with the provided requirements, or their bid will be considered invalid.
**2. Supply Division and Separate Quotation**
2.1 The scope of supply must include, but is not limited to, the following table. Any additional equipment must be quoted separately and included in the total bid price.
**2.2 Power supply and environmental conditions:**
- Power supply: Three-phase four-wire + protective earth line AC 380±10%, 50Hz
- Working environment temperature: 5 ~ 40°C, maximum relative humidity: 85%, pressure: 86kPa ~ 106kPa
- Tap water: Flow rate ≥ 200kg/h, pressure: 0.1 ~ 0.25MPa
**3. Equipment Parameters and Requirements**
- Temperature range: -40°C to 85°C, fluctuation ≤ ±0.5°C, uniformity ≤ 2°C
- Humidity range: 20%~98% RH, fluctuation ≤ ±2% RH
- Display resolution: Temperature 0.01°C, Humidity 0.1% RH, Time 1 min
- Average temperature rise: ≥2°C/min
- Average cooling: ≥1°C/min
**3.2 Structure and Material**
- Split-type design with three parts: box, refrigeration/dehumidification unit, and control cabinet
- Inner box: 20m³ standard volume, made of SUS#304 stainless steel, thickness ≥1.0mm
- Outer box: Color steel plate, ivory white
- Insulation material: 150mm high density rigid foam insulation
- Door size: Double door 1800mm × 1800mm, with tempered glass observation window
- Lighting: Explosion-proof LED lamps, illumination ≥200 lux
- Noise level: Below 70dB, per ZB N61 012 standard
**3.3 System Configuration**
- Refrigeration system: Compressors from Germany BITZER, R404A and R23 refrigerants
- Damp heat system: Electric humidifier, steam pipe with drain port
- Air circulation: High-temperature resistant motor, forced air supply
- Controller: High-end brand, with PID control, real-time display, program editing, and alarm functions
- Safety devices: Overload, overpressure, overheating, and phase protection
**4. Spare Parts**
- Free spare parts provided by the bidder
- Spare parts list for next year, including name, model, price, and total cost
**5. Installation, Commissioning, Training, and Documentation**
- Installation and commissioning within 15 days
- Free training on operation, maintenance, and safety
- Delivery of manuals, schematics, certificates, and test reports in Chinese or English
**6. Acceptance**
- Equipment tested at the manufacturer’s site
- Metrological inspection required, with costs borne by the bidder
- Test conditions: Ambient temperature +25°C, humidity ≤85%, no samples in the chamber
**7. Quality Assurance and After-sales Service**
- Warranty period: 24 months from final acceptance
- 4-hour response time for faults, 24-hour on-site service
- Free repairs during warranty for manufacturing defects
**8. Design Drawings**
- Provide layout plans and detailed designs within 10 days of winning the bid
Fact: Audit: Signature: Approval:
Http://news.chinawj.com.cn
Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
**I. Overview** 1. Equipment requirements for this project include:
| Numbering | Device name | Quantity | Remarks |
| 1 | High and low temperature alternating humidity and heat test chamber | 1 set | Capacity of 20 cubic meters |
| Serial number | Device or part name | Description (brand and model) | Quantity | Unit price (RMB) | Total (RMB) |
| 1 | High and low temperature alternating humidity and heat test chamber | 1 | |||
| 2 | Screen test special turnover car | Stainless steel material for screens up to 65 inches | 2 | ||
| 3 | Detachable single-layer shelf | 1 | |||
| 4 | USB function (PC - USB flash drive - controller program data transfer) | USB flash drive, PC software CD | 1 | ||
| 5 | Pure water machine (Q≥1T/h) | Reverse osmosis pure water device | 1 | ||
| 6 | Cooling tower | Kang Ming, Mali | 1 | ||
| 7 | Total price (including 17% tax, packaging, transportation, installation, commissioning, and after-sales service) |
Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
PVC Wall Panel,Marble Patterned Panel,PVC Patterned Panel,PVC Marble Patterned Panel
Linyi Dongtai Decoration Materials Co., Ltd , https://www.dongtaiwood.com