Wuhan Bonnin Technology Ltd, Laboratory Instruments Expert in China

Product Description

Constant Temperature and Humidity Incubator HHWS-II HHWS-III

Application range

This series incubator has a precise temperature and humidity control system, so it can provide various environmental simulation conditions for the industry research, biology technology test etc. It’s applicable in the sterility and stability test of medicine, textile, food production, etc, as well as the test of material function, product package and life.


  • Outer Shell Material: Cold-rolled steel sheet surface spray

Inner Material: SUS304 Stainless steel

  • Inner fans to make circular air convection for an even environment
  • Microprocessor PID temperature control, accurate and reliable

Parameters auto saving system and automatic start after power interruption

  • HHWS-II integrated with RS485 communication serial port

HHWS-III integrated with micro thermal printer

  • Inner round cornered design, convenient to clean
  • Shelves adjusted easily and flexiblely
  • Inner with UV germicidal lamp
  • Castors for easy movement
  • Cubigel refrigeration compressor, effective and energy saving; Freon-free environment friendly refrigerator
  • Optional device:
  • Independent external temperature protection device
  • Independent external temperature protection alarm module by SMS( not inculding the data flow card) which can be inquired by mobile APP
  • RS485 to USB Transfer interface (for HHWS-II)
  • Micro pinhole printer (for HHWS-III)


Technical data

Model HHWS-II-150










Temperature Control Range 0℃-65℃
Temperature Uniformity ±2℃
Temperature Fluctuation ±1℃
Humidity Range 50%-90%RH
Humidity Fluctuation ±5-8%RH
Humidification Method External Ultrasonic Humidifier
Inner Cyclic Mode Breeze stirring method
Temperature/Humidity Display Accuracy 0.1℃/1%RH
Temperature/Humidity Control Accuracy ±0.1℃/±1%RH
Temperature and Humidity Controller HHWS-II: 30-process LED display and P.I.D. temperature controller

HHWS-III: 30-process LCD display and P.I.D. temperature controller

Work Room Dimension

WxDxH (cm)

45x42x85 45x45x100 48x49x107 52x50x117 58x54x127
Capacity(L) 160 202 251 304 397
Outline Dimension

WxDxH (cm)

59x62x140 59x64x155 62x68x162 66x69x172 72x74x182
Shelves 3 3 3 3 3
Rated Power (W) 710 760 810 960 1280
Power 1Φ 220V 50Hz


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