■ Characteristic
● SUS304 mirror stainless steel working chamber and plane reaction handle.
● Reinforced glass observation window and defrosting system make it easy to observe the experiment at any time. internally installed independent steam humidifier ensures uniform humidity.
● Forced air convection makes the temperature more uniform.
● Import compressor, environmental refrigerant:R404A, and liquid-spritzing refrigeration and defrosting system is the guarantee of efficient and stable refrigeration.
● It is easy to move thanks to the bottom rotary wheel design.
● Import large-size LCD touch-screen controller, easy programming and editing, optional using language: Chinese and English, display actual time temperature running curve, USB3.0 or RS485 interface, possible to control the experiment remotely.
● Special function key for temperature setting.
● Auxiliary menus make over-temperature alarm, deviation calibration, and menu lock come true.
● Power outage protector: automatic recovery to previous normal status after power on.
● Compressor overload protector.
● start time and shutdown time both can be set.
● Shelf-check of the circuit, sensor fault alarm, and superior and inferior limit over temperature alarm.
● Intelligent refrigeration and defrosting system.
● Watchdog timer
● Over temperature protector.
| Technical parameters | |||||||||||||
| Model | WSS-100F | WSS-100T | WSS-100D | WSS-150F | WSS-150T | WSS-150D | WSS- 250F | WSS-250T | WSS-250D | WSS-400F | WSS-400D | WSS-400T | |
| Application | used for testing the stability of sample in hot, cold, dried, and moist circumstance | ||||||||||||
| Air circulation type | forced convection | ||||||||||||
| Performance | temp. range | F：-10~100℃ T:-20~100℃ D:-40~100℃ | |||||||||||
| temp. resolution | 0.1℃ | ||||||||||||
| temp. fluctuation | ±0.5℃ | ||||||||||||
| temp. uniformity | ±2.5℃ | ||||||||||||
| humidity range | 20%～95%RH | ||||||||||||
| humidity resolution | 0.1%RH | ||||||||||||
| humidity fluctuation | ±3%RH | ||||||||||||
| Structure | chamber material | SUS304 stainless steel | |||||||||||
| shell material | spraying cold rolled steel | ||||||||||||
| thermal insulation material | PU | ||||||||||||
| heating device | stainless heating tube | ||||||||||||
| compressor | import | ||||||||||||
| refrigerant | R404A | ||||||||||||
| defrosting system | automatic | ||||||||||||
| humidity control | internal humidifier, automatic | ||||||||||||
| fairlead | no | ||||||||||||
| printer | standard configuration | ||||||||||||
| Controller | temp. control | LCD touch panel | |||||||||||
| temp. setting | touch panel | ||||||||||||
| temp. display | LCD | ||||||||||||
| timer | 0～99.9h*30 (with timing function) | ||||||||||||
| operation function | running with data set and time set, automatic shut-down based on setting, start with time set, and running with program set. | ||||||||||||
| system mode | standard configuration | ||||||||||||
| additional function | deviation calibration, menu buttons lock, power outage compensation, power outage memory. watchdog timer, shelf-check of the circuit, intelligent refrigeration and defrosting system、temperature curve, remote interface. | ||||||||||||
| temp. sensor | Pt100 | ||||||||||||
| humidity sensor | import | ||||||||||||
| Safety device | over-temperature alarm, overload protector, independent temperature limiter, and shelf-check of the circuit. | ||||||||||||
| Specification | working size (W*D*Hmm) | 400*500*500 | 500*500*600 | 650*500*780 | 600*800*850 | ||||||||
| working capacity | 100L | 150L | 250L | 400L | |||||||||
| shelf load bearing | 25kg | ||||||||||||
| shelf | 2pcs | ||||||||||||
| shelf bracket | 4pcs | ||||||||||||
| Optional device | shelf, RS485 port, printer, recorder, external communication, remote control,system temperature controller, wireless message alert, U disk storage. | ||||||||||||
