High-precision constant temperature and humidity test chamber

Product Feature

• Low temperature drift design, little impact from ambient temperature;
• Provide high-precision constant temperature source, high temperature stability and uniformity
• 7-inch LCD intelligent touch screen operation, one-key setting of detection value, one-key start and stop, intuitive and simple
• Temperature fluctuation curve, temperature control curve configured in the system, real-time monitoring of temperature changes
• Fully automatic control of heating, cooling, circulation and other processes, quick icon viewing of heating, cooling and stirring status
• High-quality, scientifically equipped circuit control system ensures high-quality features such as reliable and stable instrument, high efficiency and energy saving
• Automatic defrosting of heated glass in low temperature environment

Technical Indicators

Effective volume

150L

Inner chamber size

506*620*488mm

(Width*Height*Depth)

Dimensions

About

991*1595*984mm

(Width*Height*Depth)

P

erformance

Temperature range

Humitity range

-40℃~+150℃ (optional)

20%~95%RH@20°C

Heating rate

Room temperature  ~ +150℃,60min, 2℃/min (average heating rate)

Note: The average heating rate is 2 degrees per minute

Cooling rate

Room temperature 20℃ ~ -40℃,90min,1

℃/min (average heating rate)

Note: The average heating rate is 1 degrees per minute

Resolution

0.001℃

Temperature fluctuation

±0.2℃

Temperature deviation

±0.2℃          (Under no load, steady state)

Temperature uniformity

≤100℃≤±1.5,>100℃±2℃(full range without load)

Hardware

1. The equipment is insulated with thickened imported materials, which has good insulation performance and improves the uniformity of the equipment.

2. Four-wire Pt100 acquisition circuit design

3. The body shell adopts anti-aging electrostatic spray technology and stainless steel 304 structure

4. The imported double fully sealed high-efficiency compressor unit can achieve the low temperature characteristics of the instrument, providing reliable guarantee for the product characteristics.

5. Temperature control accuracy: ±0.005~±0.01, temperature drift coefficient ≤±0.0008°C

Communication method and host computer software

1. Equipped with RS485 communication interface (ModBus protocol)

2. Network screen option: closely integrates metering equipment with Internet technology, and can realize one-click setting on mobile phone and PC port. Communication method: RS-485 interface, can communicate with PC to realize data reading and system setting.

Software Features

1. Program control function (optional), the device has 10 groups of different program setting interfaces reserved, one-button operation, convenient and fast, meet the user's requirements for multiple detection points, and improve the user's detection efficiency.

2. Slope temperature control (optional): support program control (100-segment slope temperature control)

3. Host computer function (optional)

(1)

Remotely control the temperature and humidity calibration box, view the real-time temperature and humidity values, and the operating status of the standard box;

(2)

Remotely change the current calibration value and change the start and stop status.

(3)

Support viewing the details of the local and overall curves, and intuitively view the temperature and humidity change curves

(4)

Support one-button screenshots and save them in picture format for maintenance and data process records.