| Model | HHW21.420AII | SHHW21.420AII | HHW21.600AII | SHW21.600AII |
| Function | Tem. Range | RT+5~65ºC | RT+5~ 100ºC | RT+5~65ºC | RT+5~100ºC |
| Tem. Resolution Ratio | 0.1ºC |
| Tem. Motion | ±0.5ºC |
| Tem. Uniformity | ±1.0ºC |
| Structure | Inner Chamber | High quality hairline stainless steel plate |
| Outer Shell | Cold rolling steel electrostatic spraying exterior |
| Cover | High quality hairline stainless steel plate |
| Cover circle | Without | With | Without | With |
| Test tube rack | Without | With | Without | With |
| Controller | Heater | Stainless steel heating tube |
| Power Rating | 0.5kW | 1kW | 0.75kW | 2kW |
| Tem. control mode | PID |
| Tem. setting mode | Touch button setting |
| Tem. display mode | Measuring temperature: display on the three digital tubes upper row ;setting temperature: display on the lower row |
| Timer | 0~9999min(with timing wait function) |
| Operation function | Fixed temperature operation, timing function, auto stop. |
| Program function | No |
| Additional function | Deviation correction,Menu key lock,Power-off compensation,Power failure memory |
| Sensor | CU50 |
| Safety device | Over temperature alarm |
| Specification | Sink size(W*L*H)(mm) | 420*180*140 | 600*300*200 |
| Exterior size (W*L*H)(mm) | 570*230*270 | 750*350*360 |
| Packing size (W*L*H)(mm) | 670*320*335 | 860*460*380 |
| Volume | 11L | 36L |
| Supply (50/60Hz)Current rating | AC220V/2.3A | AC220V/4.5A | AC220V/6.8A | AC220V/9.1A |
| NW/GW (kg) | 8/9.5 | 8.5/10 | 17/19 | 18/20 |
| Optional accessories | No |
Complaint
