| Circulation method |
Forced convection |
| Operating temp. range1 |
Room temp. +10°C to 260°C |
RT +10°C to 220°C |
| Temp. fluctuation2 |
±.6°C (at 270°C) |
±.5°C (at 270°C) |
±.6°C (at 270°C) |
±.6°C (at 220°C) |
| Temp. gradient2 |
9°C (at 270°C) |
11°C (at 270°C) |
11°C (at 220°C) |
| Temperature rise rate2 |
3.3°C / min |
2.1°C / min |
3.4°C / min |
2.5°C / min |
| Temp. rise time2 |
~75 min. |
~115 min. |
~75 min. |
~80 min. |
| Exterior material |
Chromium-free electrogalvanized steel sheet, baked coating |
| Chamber |
Stainless steel |
| SUS tube heater |
1.5kW |
2.5kW |
3.0kW |
| Cable port |
Stainless steel tube heater |
| Exhaust port |
33mm I.D. x 2 (top) |
33mm I.D. x 2 (back) |
| Safety devices |
Self-diagnostic functions (automatic overtemperature protection, temperature sensor error, SSR short circuit, heater disconnection, fan
error, clock element error, main relay error, memory error, internal communication error) / independent overheat prevention device / door
switch (door alarm) / overcurrent leakage breaker / fall prevention fitting (Model 810/910) |
| Controller type |
VSD-1 Controller |
| Temp. control system |
PID control by microcomputer |
| Temp. display |
3.5-inch color LCD panel digital display |
| Timer / clock timer |
1 minute to 99 hours 59 minutes / Date: hour: minute (up to 31 days later) |
| Operation modes |
Fixed temperature / Timer: Hourly quick auto stop operation / Timer: Hourly auto stop operation / Timer: Hourly auto start operation /
Program operation / Timer: Hourly program auto start operation |
| Additional functions |
Calibration offset / Power failure return mode selection function / Timer Wait function / Security management function / Temperature
upper/lower limit alarm function / Fan OFF delay function / Power failure alarm / External communication terminal (RS-485) / Temperature
output terminal (4-20mA) / Time-up output terminal / Error output terminal / Recorder terminal / Program preview function / Operation
trend function |
| Sensor |
Temperature controller / independent overheat prevention device: K thermocouple |
| Safety devices3 |
Self diagnosis functions (temp. sensor abnormal, Heater disconnection, SSR- short, Automatic overheating prevention), Key lock
function, Overheat prevention, Electric leakage breaker with over current protection |
| Internal dimensions (W×D×H) |
450×450×450 mm |
600×500×500 mm |
600×500×1000 mm |
1090×500×1000 mm |
| External dimensions (W×D×H)4 |
580×635×830 mm |
730×685×880 mm |
730×685×1610 mm |
1220×685×1610 mm |
| Internal capacity |
90L |
150L |
300L |
545L |
| Chamber shelf load |
~15kg/shelf |
| Chamber load capacity |
~30kg |
~60kg |
~120kg |
| Number of shelves / pitch |
11 steps / 30mm |
13 steps / 30mm |
29 steps / 30mm |
29 / 30mm×2 columns |
Power supply 50/60Hz
Rated current |
115V, 13.5A
with plug |
220V, 7.5A
no plug, round terminal |
115V, 13.5A
with plug |
220V, 7.5A
no plug, round terminal |
Single phase 220V, 12A
with plug |
Single phase 220V, 14.5A
no plug, round terminal |
| Weight |
~60kg |
~75kg |
~120kg |
~195kg |
| Included shelf plate / brackets |
1 pc. / 2 pcs. |
3 pc. / 6 pcs. |
6 pc. / 12 pcs. |
| Fall prevention fittings |
- |
- |
4 pcs (fixing hole diameter Φ14 M12 recommended) |