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Battery Charge Discharge Test Chamber

The constant temperature and humidity test chamber is most often used in the battery capacity tests of various cells, rechargeable batteries, etc.

Technical Parameters of Constant Temperature and Humidity Test Chamber
Model FNTH180-2-20 FNTH180-2-40
Internal size (mm) W 600
H 500
D 600
External size (mm) W 830
H 2023
D 2139
Temperature range -20°C to +150°C(or 180°C) -40°C to +150°C(or 180°C)
Humidity range 20%RH to 98%RH/(20 to 85°C)
Temperature fluctuation ±0.5°C
Temperature deviation ±1.5°C
Humidity deviation ±3.0%RH (when humidity≧75%); ±5.0%RH(when≦75%)
Heat-up time 20°C to +150°C 20°C to +150°C
≦50MIN ≦50MIN
Cool-down time +20°C to -20°C +20°C to -40°C
≦60MIN ≦70MIN
Temperature and humidity adjustment method Balancing method
Environment temperature +5°C to +35°C
Materials Housing Double-side galvanized sheet, plastic coated
Internal surface SUS304/2B stainless steel plates
Insulation PU foam + fiberboards
Regulator Heater Nichrome fin heater
Humidifier Stainless steel heater, water dish
Fan Centrifugal fan
Refrigerator Mechanical compressor
Refrigerant R404a
Cooling method Mechanical compression (Air cooling or water cooling)
Controller Display 7.0 inch, TFT color LCD display
Control method Touchscreen micro-computer controller, integral windup PID
Auxiliary functions Malfunction alarm and possible solution, power-off protection, temperature protection, calendar timing, automatic diagnosis
Water supply method Water pump
Water tank Portable water tank
Water Electrical resistivity ≦500Ωm
Power supply AC380V±10%V 50HZ

1. The FNT series products have no humidity function.
2. The temperature data are measured at +25°C and with no sample.
3. The fluctuation parameter is tested in accordance with GB/T5170.2-1996 standard.
4. The convex part is not counted in the chamber dimensions.

Reference Standards
GB11158 High Temperature Technical Condition
GB10589-89 Low High Temperature Technical Condition
GB10592-89 High/Low Temperature Technical Condition
GB/T10586-89 Technical Conditions for Humidity Testing Room
GB/T2423.1-2008 Low Temperature Test Method
GB/T2423.2-2008 Temperature Test Method
GB/T2423.3-2006 Constant Thermal Humidity Test Method
GB/T2423.4-2008 Alternating Thermal Humidity Test Method
GB/T2423.22-2002 Temperature Weather Test
IEC60068-2-1.1990 Low Temperature Testing Method
IEC60068-2-2.1974 High Temperature Testing Method
GJB150.3 High Temperature Test
GJB150.4 Low Temperature Test
GJB150.9 Damp Heat Test
  • Simplewell controller
  • Mitsubishi PLC
  • Temperature and humidity adjustment range

Optional Configurations
1. Rotary dehumidifier/ polymeric membrane, with a lowest temperature/ humidity content of 5℃/5 %RH.
2. Built-in tempered glass door, easy to move
3. Water purification system, with automatic replenishment function
4. Recorder, save and print testing data
5. Ultrasonic humidifier/ high-pressure spray humidifier, providing continuous high humidity under extreme temperature
6. Dry air blow system, anti-condensation
7. Remote monitoring function, cellphone and computer supportive

Cooling Equipment

  • TECUMSEH fully hermetic compressor
  • BOCK inverter compressor
  • BITZER semi-hermetic compressor
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