Constant Temperature and Humidity Test Chamber

Standard:

GB 2423.1-2001

GB 2423.2-2001

Technical parameters:

• Working dimension

Performance:

• Temperature and humidity regulation mode: Balanced temperature adjustment and humidity control (BTHC) PID intelligent adjustment.
• Temperature range: -20/-40/-60-150℃
• Humidity range: 20%-98%RH
• Temperature uniformity: ±2℃
• Temperature fluctuation: ±0.5℃
• Humidity uniformity: ±3%RH
• Humidity fluctuation: ±1%RH
• Heating rate: ≥5℃/Min
• Cooling rate: 1 ℃/Min

Material:

• Inner: SUS304 bright stainless steel plate.
• Outer: SUS304 brushed stainless steel plate or rust-proof cold-rolled steel plate (spraying).
• Insulationmaterial: Ultrafine glass wool + polyurethane foam.

Regulator:

• Refrigeration method: Mechanical binary cooling method.
• Refrigerator: Fully enclosed (France Taikang or German Copeland) compressor.
• Refrigerant: R23/ R404A (environmentally friendly).
• Condensation method: Air cooled.
• Heater: Nickel-chromium alloy stainless steel tube heater.
• Humidifier: Stainless steel humidifier.
• Air blower: Centrifugal fan.
• Airflow mode: Wideband forced air circulation (up and down).

Controller:

• Operation interface: LCD touch screen display, Chinese and English switching.
• Operation mode: Setting value operation and program operation.
• Program memory capacity: 120 groups of programmable, max 999 (segment) per program.
• Set indicator range: Temperature: -100 ° C +300 ° C Humidity: 99.9% R.H
• Input: PT100 platinum resistance
• Control mode: PID control
• Auxiliary functions: Upper and lower limit alarm, self-diagnosis, alarm display (cause of failure), timing device (automatic start, shutdown).

Water supply:

• Water supply method: Circulating water supply
• Water supply tank: Built-in portable (30Kg capacity)
• Water quality: resistivity > 500 MΩ.

Standard configuration:

• Observation window (double-layer hollow tempered glass), 1 pcs
• Test hole 60mm (on the left), 1 pcs
• Sample racks, 2 pcs
• Indoor light (fluorescent light), 1 pcs
• Water supply tank, 1 pcs

Safety device: Power supply leakage protector, anti-drying device, water system protection device, extreme high and low temperature protection, temperature deviation alarm, over-pressure, overload, water shortage, lack etc. Protection.

Specification:

• Overall dimension: According to customers’ choice.
• Power: According to customers’ choice.