IEC 60068-2-1 Programmable Temperature and Humidity Test Chamber 1800L Temperature -40 °C ~+150°C

20%～98%RH(within 20°C–85°C, refer to temperature-humidity control chart; no active heat load)

Thermal Insulation Structure

1.Outer wall material: A3 steel plate with spray coating.

2.Inner wall material: Brushed stainless steel plate SUS#304.

3.Thermal insulation material for the box body: 100mm high-temperature-resistant rigid polyurethane foam.

4.Thermal insulation material for the door: 100mm high-temperature-resistant rigid polyurethane foam.

1.Stainless steel long-shaft centrifugal fan: 4 units/90W.

2. Fan, heater, evaporator (also dehumidifier), drainage device, pressure balance port, adjustable air guide plate, temperature sensor.

1.Window: 400x600x40mm, 3 layers of vacuum tempered glass.

2.Embedded flat handle.

3.Door hinge: SUS #304 imported hinge.

4.Internal energy-saving light: LED energy-saving light.

5.Lead hole: φ50mm, 1 unit.

1.Single door, hinge on the left, handle on the right (when facing the front of the chamber).

2.Equipped with a safety door lock mechanism (the door can be opened from inside the test chamber). The door is equipped with electric anti-condensation heating, and the hollow glass observation window has a viewing area of approximately (W400×H600mm). The door frame is equipped with anti-condensation electric heating.

1. Finned stainless-steel tubular heater.

2.Heating control mode: SSR (solid-state relay), non-contact periodic pulse width modulation.

3.Heating power: approximately 3KW.

1.Copeland scroll low-noise compressor (USA).

2.Cooling mode: Air cooling.

1.Equipped with an automatic cold refrigerant flow adjustment device to effectively carry away the heat load from the tested items, synchronized with German/Japanese technology.

2.Compared to traditional designs, this system offers better control stability, reproducibility, energy-saving, and higher efficiency.

Copeland low-temperature, low-noise scroll compressor (USA)

1.The condenser and evaporator use AC&R duplex turbulence-type aluminum fin devices.

2.The expansion valve uses imported famous refrigeration components.

1.The control system automatically adjusts the operating conditions of the refrigeration compressor based on test conditions. It can control the output cooling capacity, saving electricity and water, providing more stable operating conditions. The system saves up to 30% of electricity, particularly in humidity operations.

2.Evaporator pressure regulating valve.

3.Compressor return gas cooling circuit.

1.Temperature and humidity can be displayed on the same interface.

2.Large-screen temperature and humidity curve display.

3.Real-time display of relay working status.

Technical Indicators:

1.7-inch true color touch screen.

2.Two control modes: Program mode / Fixed value mode.

3.Sensor type: Two PT100 input channels (optional electronic sensor input).

4.Output method: Voltage pulse (SSR) / Control outputs: 2 channels (temperature / humidity) / 2 channels 4-20mA analog output / 16 channels relay output (passive).

5.Control signals: 8 IS control signals / 8 T control signals / 4 AL control signals.

6.Alarm signals: 16 DI external fault alarms.

7.Temperature measurement range: -90.00℃ to 200.00℃ (optional -90.00℃ to 300.00℃), error ±0.2℃.

8.Humidity measurement range: 1.0% to 100% RH, error ±1% RH.

9.Communication interface: (RS232/RS485, maximum communication distance 1.2km [fiber optics up to 30km]).

10.Interface language options: Chinese / English.

11.Features Chinese character input.

12.Printer support (USB function optional).

13.Multiple signal combination relay outputs, signals can be logically operated (NOT, AND, OR, NOR, XOR), also known as PLC programming capability.

14.Diverse relay control modes: Parameter -> Relay mode, Relay -> Parameter mode, Logical combination mode, Composite signal mode.

15.Program editing: Can program up to 120 sets of programs, each program can have a maximum of 100 segments.

Accuracy:Temperature: ±0.1℃ + 1 digit, Humidity: ±1% RH + 1 digit

Resolution:Temperature: ±0.01℃, Humidity: ±0.1% RH

Temperature Slope: Adjustable between 0.1 to 9.9.

Features: Upper and lower limit standby and alarm functions.

Temperature and humidity input signals: Wet and dry bulb PT100 x2.

9 sets of P.I.D control parameters can be set, with automatic P.I.D calculation.

Automatic calibration of wet and dry bulb.

Anti-integral saturation PID.

BTC (Balanced Temperature Control) + DCC (Intelligent Cooling Capacity Control) + DEC (Intelligent Electrical Control) for temperature testing equipment.

BTHC (Balanced Temperature and Humidity Control) + DCC (Intelligent Cooling Capacity Control) + DEC (Intelligent Electrical Control) for temperature and humidity testing equipment.

Touchscreen interface with no need for button input, options are selected directly on the screen.

Display of both the set temperature (SV) and the actual temperature (PV) values.

Display of the current executing program number, segment, remaining time, and cycle count.

Accumulated operation time feature.

Graphical display of temperature program set values, with real-time program curve execution display.

Dedicated program editing screen, with a minimum of 5 segments (temperature, humidity, and time) per page.

Switchable between Chinese and English.

Fault prompt screen display.

Screen backlight adjustment.

Screen display protection with timer function, or manual shutdown setting.

Usable program groups: Maximum of 120 patterns.

Usable memory capacity: A total of 12,000 segments.

Repeatable command executions: Each command can be executed up to 3,200 times.

Program creation follows a conversational interface, with editing, clearing, and inserting functions.

Segment time setting: 0 to 99 hours 59 minutes.

Can program sequential control module devices (up to 2 groups).

Power failure program memory: Resumes execution automatically after power is restored.

RS-485 or RS-232 communication interface.

Real-time graphical display of program execution.

Automatic adjustment of cooling capacity feature.

Scheduled start and shutdown functions.

Date and time adjustment function.

Button and screen lock (LOCK) function.

Compressor overheat protection.

Compressor overcurrent protection.

Compressor overpressure protection.

Adjustable over-temperature protection (dual protection, featuring the first high-precision over-temperature protector that can be set for both high and low temperature limits, better protecting the tested products in case of machine failure).

Air adjustment channel limit over-temperature protection.

Fan motor overheat protection.

Leakage protection.

Heating tube dry burn protection.

Overload and short-circuit protection.

Power-off protection.

Low water level protection.

1.The ground must be level, well-ventilated, and free of flammable, explosive, corrosive gases, and dust.

2.No strong electromagnetic radiation sources should be nearby.

3.A drainage floor drain should be installed near the equipment (within 2 meters of the refrigeration unit).

4.The floor load-bearing capacity of the installation site must be no less than 800 kg/m².

5.Sufficient maintenance space should be left around the equipment.

A: not less than 600mm

B: not less than 1000mm

C: not less than 100mm

D: not less than 600mm

1.Pure water must be used.

2.If tap water is used, it must be properly treated.

Temperature: 5°C to 35°C

Relative Humidity: ≤85%

Atmospheric Pressure: 86 kPa to 106 kPa

Power Supply: AC 380V, Three-phase four-wire + protective earth ground

Voltage Allowable Fluctuation Range: AC (380±10) V

Frequency Allowable Fluctuation Range: (50±0.5) Hz

Protective Earth Ground Resistance: Less than 4Ω

User Requirement: The user must provide an appropriate capacity air or power switch at the installation site, and this switch must be dedicated solely for use by this equipment.

Power Capacity: Approximately 12 kW

Maximum Current: 31 A

Power Switch: 40 A (Molded Case Leakage Protector)