




Using the Heating Plate heating method, the temperature distribution is more uniform.
Mirror stainless steel liner, easy to clean and maintain.
Highly equipped with lighting, ultraviolet sterilization, overheating prevention, air filling port and other equipment to meet various needs of customers.
The outer door is sprayed with carbon steel plate, and the inner door is tempered glass, which is convenient for checking the experimental status at any time.
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.
Pull-out partition for easy access to samples.
Patented glass inner door structure, easy to open and close, comfortable to touch.
Safety: over-temperature alarm, overheating preventer.
Figure 1. Safety glass observation door: a glass door with independent switch is set for easy observation
Figure 2. Heating curve: time unit: minute, temperature unit: ℃
Figure 3. Multi-function control panel

| model | rated power | Internal volume |
| DH43D/L | 0.25KW | 43L |
| DH49D/L | 0.25KW | 49L |
| DH124D/L | 0.5KW | 124L |
| DH209D/L | 0.6KW | 209L |
| Other parameters | ||
| Way | Natural convection | |
| Operating temperature range | RT+5~65℃ | |
| temperature resolution | 0.1°C | |
| temperature fluctuation | ±0.5℃ | |
| Temperature distribution accuracy | ±1℃ | |
| Interior | mirror stainless steel | |
| Exterior | Cold-rolled steel sheet with chemical-resistant coating on the surface | |
| Insulation material | rubber sponge | |
| heater | Heating pipe | |
| exhaust vent | Inner diameter 28mm*1, top | |
| temperature control method | PIDs | |
| temperature setting method | Touch four buttons to set | |
| Temperature representation | D type: measured temperature display: 4-digit upper display; set temperature display: 4-digit lower display | |
| L type: measured temperature display: liquid crystal display; set temperature display: liquid crystal display | ||
| timer | 0~9999 minutes (or hours) | |
| running function | Fixed value operation, timing operation, automatic stop | |
| program mode | D: None; L: Optional | |
| Additional features | Deviation correction, menu key lock, power failure memory | |
| sensor | pt100 | |
| safety devices | Over-temperature alarm, overheating preventer | |
| Partition | 2 pieces | |
| shelf | 4 pieces | |
| Standard configuration | L: Sterilization, lighting, overheating prevention, 485 interface, inflation interface | |
| configuration can be added | L: partition, USB interface, printer, Recorder, external communication, remote control, program temperature controller, wireless SMS alarm | |