| Circulation method |
Forced convection + Natural convection |
Forced convection |
| External temp. range |
5~35°C |
| Temperature set range |
0~130°C (Wind velocity: 0), 0~270°C (Wind velocity: 1~10) |
0~270°C (Wind velocity: 1~10) |
| Temperature control range |
RT +25~120°C (Wind velocity: 0), RT +15~260°C (Wind velocity: 1~10) |
RT +15~260°C (Wind velocity: 1~10) |
| Temp. control accuracy *¹ |
Forced convection |
±0.3°C (at 260°C) |
| Natural convection |
±0.5°C (at 120°C) |
±0.3°C (at 120°C) |
Not applicable |
| Temp. fluctuation *¹ |
Forced convection |
±0.5°C (at 260°C) |
| Natural convection |
±1.0°C (at 120°C) |
±0.8°C (at 120°C) |
±0.6°C (at 120°C) |
Not applicable |
| Temp. distribution precision *¹ |
Forced convection |
±2.5°C (at 260°C) |
| Natural convection |
±5°C (at 120°C) |
±3°C (at 120°C) |
Not applicable |
| Temp. gradient *¹ |
Forced convection |
5°C (at 260°C) |
7°C (at 260°C) |
8°C (at 260°C) |
12°C (at 260°C) |
6°C (at 260°C) |
| Natural convection |
15°C (at 120°C) |
13°C (at 120°C) |
Not applicable |
| Temp. rise time *¹ |
Forced convection |
~70min. |
~105min. |
~100min. |
~60min. |
~100min. |
| Natural convection |
~20min. |
~25min. |
Not applicable |
| Chamber / Exterior / Insulation |
Stainless steel / Cold rolled steel paneling, chemical-proof baked-on finish / Glass wool |
| Door |
Single swing (left side) |
Double doors (opening from center) |
| Heater (stainless steel tube) |
0.8kW |
0.6kWx2 |
0.83kWx2 |
1.35kWx2 |
1.65kWx2 |
| Wind velocity adjusting system |
10 steps (600~1500rpm) + Wind velocity (0) |
10 steps (600~1500rpm) |
| Damper |
Circulation-Ventilation Manual switching: Interlocked intake and exhaust system (Complete exhaust applicable / Unable to reach 260°C with damper fully open) |
| Cable port |
Inner diameter: 33mm×1 (right side) |
| Exhaust port |
Outer diameter: 50mm×1 (back side) |
Outer diameter: 50mm×2 (back side) |
| Inlet port |
Inner diameter: 33mm×1 (right side) |
Inner diameter: 33mm×2 (both side) |
| Controller |
Model V type |
| Temperature control / setting system |
PID Z control / Digital setting with ▲/▼ keys |
| Temperature display system |
Temperature reading display: green 4-digit digital LED/Temperature setting display: orange 5-digit digital LED |
| Other indications |
LED indicates temperature patterns for heating/stabilizing/cooling |
| Operating function |
Fixed temperature operation, Program operation (maximum 99 steps or 99 patterns, with repeat operation function), Timer or clock operation function (Fixed temperature operation w/ auto start/auto stop/quick auto stop, program operation auto start) |
| Additional functions |
Variable Air Flow Function, Power-on Time and Operation Time Accumulation Monitor (up to 65,535 hours); Calibration Offset; Monitoring Display for Accumulated Power Consumption, Total CO 2 Emissions, and Heater Operation Output; Power Recovery Mode; Setting Data Backup and Recovery |
| Temperature sensor |
K type Thermocouple double sensor (for temperature control and independent overheat prevention device) |
| Heater control |
Triac with Zero-cross Control |
| Control board |
Self-diagnostic Functions (Detection for Temp. Sensor Failure, TRIAC Short Circuit, Automatic overheating prevention, Heater Line Disconnect, Main Relay Contact Damage ), Earth leakage breaker, Fan Motor Failure, Key Lock Function, Independent overheating prevention device |
| Earth leakage breaker |
Leak Current/Short Circuit/Over-current Protection, Rated Current Sensitivity 30mA |
| Door switch |
Door open: fan motor and heater circuit OFF, Door close: fan motor and heater circuit ON |
| Internal dimensions (W×D×H mm)*² |
300×300×300 |
450×450×450 |
600×500×500 |
600×500×1000 |
1090×500×1000 |
| External dimensions (W×D×H mm)*² |
430×495×740 |
580×645×890 |
730×695×940 |
730×695×1685 |
1220×695×1685 |
| Capacity |
27L |
90L |
150L |
300L |
540L |
| Weight |
~50kg |
~75kg |
~90kg |
~135kg |
~210kg |
| Number of shelf bracket step / pitch |
6steps/30mm |
11 steps/30mm |
13 steps/30mm |
29 steps/30mm |
| Withstand load of shelf |
15kg/shelf |
| Power supply V±10% 50/60Hz Single phase |
AC115V, 7.5A (with plug)
AC220V (no plug)
with external transformer |
AC115V 11A (with plug)
AC220V 6A (no plug, round terminal) |
AC115V 15A (with plug)
AC220V 8A (no plug, round terminal) |
AC220V 15.5A (no plug, round terminal) |
AC220V 18.5A (no plug, round terminal) |
| Included accessories |
Shelf and brackets |
| Shelf plate / bracket |
2 pcs. / 4 pcs. |
4 pcs. / 8 pcs. |
8 pcs. / 16 pcs. |
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