| Heating mode | Alloy wire heating in three sides left; right; top side. | Alloy wire heating in three sides left; right; top side. | Alloy wire heating in three sides left; right; top side. | Alloy wire heating in three sides left; right; top side. |
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| Function — Temp. Range | 100-1200℃ | 100-1200℃ | 100-1200℃ | 100-1200℃ |
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| Function — Temp. Resolution Ratio | 1℃ | 1℃ | 1℃ | 1℃ |
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| Function — Temp. motion | ±1℃ | ±1℃ | ±1℃ | ±1℃ |
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| Function — Temp.Rising time to max temp | ≤30min | ≤30min | ≤30min | ≤30min |
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| Structure — Chamber material | Ceramic fiber | Ceramic fiber | Ceramic fiber | Ceramic fiber |
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| Structure — Outer shell | stainless steel | stainless steel | stainless steel | stainless steel |
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| Structure — Insulation layer | Ceramic fiber | Ceramic fiber | Ceramic fiber | Ceramic fiber |
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| Structure — Heater | Alloy heating wire | Alloy heating wire | Alloy heating wire | Alloy heating wire |
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| Structure — Power rating | 1.5kW | 3.0kW | 4.5kW | 6.0kW |
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| Exhaust hole — φ30mm(chimney size 80*60mm) | φ30mm(chimney size 80*60mm) | φ30mm(chimney size 80*60mm) | φ30mm(chimney size 80*60mm) | φ30mm(chimney size 80*60mm) |
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| Controller — Temp. control mode — Japaness Fuji color LCD 64- segment programmed temperature controller | Japaness Fuji color LCD 64- segment programmed temperature controller | Japaness Fuji color LCD 64- segment programmed temperature controller | Japaness Fuji color LCD 64- segment programmed temperature controller | Japaness Fuji color LCD 64- segment programmed temperature controller |
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| Controller — Temp. setting mode — Touch button setting | Touch button setting | Touch button setting | Touch button setting | Touch button setting |
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| Controller — Temp. display mode — Measuring temperature: LED upper row, setting temperature: the lower row | Measuring temperature: LED upper row, setting temperature: the lower row | Measuring temperature: LED upper row, setting temperature: the lower row | Measuring temperature: LED upper row, setting temperature: the lower row | Measuring temperature: LED upper row, setting temperature: the lower row |
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| Controller — Timer — Timing Function, 99 hours and 59 minutes(with Timing Waiting Function) | Timing Function, 99 hours and 59 minutes(with Timing Waiting Function) | Timing Function, 99 hours and 59 minutes(with Timing Waiting Function) | Timing Function, 99 hours and 59 minutes(with Timing Waiting Function) | Timing Function, 99 hours and 59 minutes(with Timing Waiting Function) |
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| Controller — Operation function — Fixed temperature operation, auto stop. | Fixed temperature operation, auto stop. | Fixed temperature operation, auto stop. | Fixed temperature operation, auto stop. | Fixed temperature operation, auto stop. |
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| Controller — Additional function — Sensor deviation correction, Temperature overshoot self-tuning, Internal parameter locked, Power-off parameter memory | Sensor deviation correction, Temperature overshoot self-tuning, Internal parameter locked, Power-off parameter memory | Sensor deviation correction, Temperature overshoot self-tuning, Internal parameter locked, Power-off parameter memory | Sensor deviation correction, Temperature overshoot self-tuning, Internal parameter locked, Power-off parameter memory | Sensor deviation correction, Temperature overshoot self-tuning, Internal parameter locked, Power-off parameter memory |
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| Controller — Sensor — High precision K type sensor | High precision K type sensor | High precision K type sensor | High precision K type sensor | High precision K type sensor |
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| Safety device — Manual door security lock, over temperature sound-light alarm, door opening electrical outage, over-temperature protection,thermo couple failure | Manual door security lock, over temperature sound-light alarm, door opening electrical outage, over-temperature protection,thermo couple failure | Manual door security lock, over temperature sound-light alarm, door opening electrical outage, over-temperature protection,thermo couple failure | Manual door security lock, over temperature sound-light alarm, door opening electrical outage, over-temperature protection,thermo couple failure | Manual door security lock, over temperature sound-light alarm, door opening electrical outage, over-temperature protection,thermo couple failure |
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| Specification — Inner Chamber size (W*D*H)(mm) | 120*200*80 | 200*300*120 | 200*300*200 | 250*400*160 |
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| Specification — Exterior size (W*D*H)(mm) | 450*685*600 | 530*785*640 | 530*785*720 | 600*895*700 |
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| Specification — Packing size (W*L*H)(mm) | 580*775*730 | 660*875*770 | 660*875*850 | 730*985*830 |
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| Specification — Volume | 2L | 7L | 12L | 16L |
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| Specification — Current rating (50/60HZ) | AC220V/6.6A | AC220V/13.6A | AC220V/20.4A | AC380V/9.9A |
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| Specification — NW/GW (kg) | 33/37 | 45/50 | 62/68 | 77/96 |
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| optional type | LCD program temperature control device with USB date storage | LCD program temperature control device with USB date storage | LCD program temperature control device with USB date storage | LCD program temperature control device with USB date storage |
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