| model | j-rhc1 | j-rhc2 | j-rhc3 | j-rhc4 |
| | 1,170×680×1,460 |
| | 500×500×600 |
| | 150 |
| temperature | range | a type | - 20.0℃ ~ + 60.0℃ | - 30.0℃ ~ + 60.0℃ | - 50.0℃ ~ + 60.0℃ | - 70.0℃ ~ + 60.0℃ |
| b type | - 20.0℃ ~ + 150.0℃ | - 30.0℃ ~ + 150.0℃ | - 50.0℃ ~ + 150.0℃ | - 70.0℃ ~ + 100.0℃ |
| accuracy | ±0.3℃ at 37.0℃ | ±1.0℃ at 37.0℃ |
| controller | p.i.d. controller or programmable controller |
| regulator | scr type |
| humidity | range | 35% ~ 95% |
| accuracy | ±2.0% at 40.0% |
| controller | p.i.d. controller or programmable controller |
| regulator | scr type |
| thermocouple | pt 100 ohms |
| | 4,500 |
| temperature down-up-time | amb + 5.0℃ ~ - 20.0℃（45min） | amb + 5.0℃ ~ - 50.0℃（70min） |
| amb + 5.0℃ ~ - 70.0℃（100min） | amb + 5.0℃ ~ + 60.0℃（45min） |
| refrigerator | condenser system | one stage（air cooling） | two stage（air cooling） |
| | hermetically type 1/3 ~ 2×1ea | hermetically type 1 ~ 3×2ea |
| insulation | glass wool |
| observation window | reinforced glass |
| safety device | overload prevent, alarm, elb , water empty, current leak over current |
| shelves | 3ea |
| material | interior | stainless steel plate（sts #304） |
| exterior | sts #304 or ss #400 with powder coated finish |
| sight glass | yes | ??? heater（?????） |
| power source | ac 220v 60hz 1øor ac 220v 60hz 3ø |
| | 230 |
