Walk in Chamber for Rapid Rate Temperature / Humidity Test--GUANGDONG BELL EXPERIMENT EQUIPMENT CO., LTD.

Relevant standards requirement

Temperature shock

Test Object: Battery storage pack or system.
Li-ion battery pack or system placed in (-40±2) ℃~ (85±2) ℃ alternation temperature, the conversion time of two extreme temperatures is less than 30 minutes. Place the test objects into each extreme temperature keeps 8h, test 5 cycles.
Observe for 2 hours under the room temperature after testing,

Humidity & Temperature Cycling

Test Object: Battery storage pack or system.
Refer to the GB/T2423.4 Test Db, variable refer the Graph 4, the highest temperature is +80℃, 5 cycles. Observe for 2h under room temperature.

Y1: Relative humidity %RH; Y2: Temperature, ℃; X: Time, h;

a: end of the heating; b: cooling start;

c: recommended temperature and humidity values;

d: condensation; e: desiccation; f: 1 cycle.

Standard

Technical Parameters

Product Name	Rapid temperature change rate (damp-heat) Test Chamber
Model	BTKS5-12m³-C
Internal Dimension	W2000 X D3000 X H2000mm
External Dimension	W2400 X D4500 X H2940mm
Temperature Range	-50℃ ~ +150℃ (Adjustable)
Humidity Range	20%RH-98%RH (Limit temperature section, see the regional figure )
Temperature Fluctuation	±0.5℃
Humidity Fluctuation	±2.0％RH
Temperature Deviation	2.0℃
Humidity Deviation	A) >75%RH: ≤+2, -3%RH, B) <75%RH: ≤±5%RH.
Heating Rate	≧5℃/min (From -40℃ up to +80℃, Non-linear load 800kg)
Cooling Rate	≧5℃/min (From -40℃ up to +80℃, Non-linear load 800kg)
Temperature overshoot	≤±2℃
Weight	Approx 5 Tons
Power Supply	AC 380V, 50HZ, 127KW
Noise	≤70dB (A-Level)
External Material	Galvanized sheet with high temperature electrostatic resin coating at both sides.
Internal Material	1.2 mm thickness SUS# 304 heat and cold resistant stainless steel with seal welding.
Controller	24-bit high accuracy 7 inch TFT true colors LCD touch screen.
Compressor	Semi-Hermetic Compressors BOCK / BITZER (Germany)
Cooling Type	Air cooling or water cooling (Optional)
Other Requirement	Main-subsidiary type trolley for the specimen in and out of the test chamber. Explosion-proof lighting system. Explosion-proof pressure relief system. Smoke exhaust system. Automatic Water Supply System. Fire extinguishing device; spray device; smoke alarm device;