| Model | LRHS-U9023A | LRHS-U9053A | LRHS-U9070A | LRHS-U9140A | LRHS-U9240A |
| Interior Dimension (mm) | 340 x 325 x 300 | 420 x 395 x 350 | 450 x 400 x 450 | 550 x 450 x 550 | 600 x 500 x 750 |
| Temperature Range | Ambient plus 10 degrees Celsius to 300 degrees Celsius |
| Control Accuracy | ±1% (full scale) |
| Temperature Fluctuation | ±1 degree Celsius |
| Temperature Resolution | 0.1 degree Celsius |
| Controller | P.I.D. with LED backlight digital displayer, plus SSR microchip integrated controller |
| Heating System | Nickel-chrome alloy electrical heater |
| Temperature Timing | 1 ~ 9999 Minutes |
| Power Supply | AC 220V ± 10%, 50 ± 0.5Hz, / AC 380V ± 10%, 50 ± 0.5Hz |
| Working Environment | 5 degrees Celsius to 30 degrees Celsius, less than 85% RH |
