




LCD multi-data full-screen operation display, power failure memory, power failure compensation.
Convenient operation, fixed value operation, timing operation, automatic stop.
Dedicated function keys for temperature setting.
Auxiliary menu to realize overheating alarm, deviation correction and menu lock.
Turbine centrifugal forced air supply, the temperature is more uniform.
Power-off protection, parameter memory, call recovery. Compressor overload protection.
Figure 1. Multifunctional control panel.
Figure 2. Glass safety observation door: set up a glass safety observation door to facilitate observation and reduce heat dissipation.
Figure 3. Third-party equipment power socket: it is convenient to add third-party experimental equipment such as humidifiers.

| model | rated power | Internal volume | ||
| SPX-70BⅢSPX -70BX | 0.7KW | 70L | ||
| SPX-150BⅢSPX -150BX | 1.0KW | 150L | ||
| SPX-250BⅢ SPX-250BX | 1.4KW | 250L | ||
| Other parameters | ||||
| Way | forced convection | |||
| Operating temperature range | 0~65℃ | |||
| temperature resolution | 0.1°C | |||
| temperature fluctuation | High temperature: ±0.5°C Low temperature: ±1°C | |||
| Temperature distribution accuracy | ±1℃ | |||
| Interior | Mirror stainless steel plate | |||
| Exterior | Cold-rolled steel sheet with chemical-resistant coating on the surface | |||
| Insulation material | Polyurethane | |||
| heater | stainless steel heating tube | |||
| compressor | Air-cooled hermetic compressor | |||
| Refrigerant | R134A | |||
| defrost structure | B type: manual; BX type: automatic | |||
| Lead hole | 52mm inner diameter | |||
| Controlled external power supply | 1 external | |||
| temperature control method | B type: single-segment liquid crystal PID; BX type: 30-segment liquid crystal program | |||
| temperature setting method | Touch the button to set | |||
| Temperature representation | Measured temperature display: LCD upper display; set temperature display: LCD lower display | |||
| timer | B type: 0~99.9h BX type: 0~99.9h*30 (with timing waiting function) | |||
| running function | Type B: fixed value operation, timing operation, automatic stop | |||
| BX type: program operation | ||||
| program mode | B type: optional; BX type: standard | |||
| Additional features | Type B: deviation correction, menu key lock, power failure compensation, power failure memory | |||
| BX type: another overheating preventer, cumulative timing, circuit self-diagnosis, intelligent defrosting | ||||
| sensor | PT100 | |||
| safety devices | Type B: Overheating alarm, overload protection; Type BX: Another overheating preventer, circuit self-diagnosis | |||
| Partition | 2 pieces | |||
| shelf | 4 pieces | |||
| configuration can be added | Partition, RS485 interface, printer, Recorder, external communication, remote control, wireless SMS alarm, U disk data storage | |||