| Model | KDF-V50R | KDF-V50D | KDF-V50RM |
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| External dementions | 850W - 1500H - 940H mm |
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| Furnace chamber dementions |  152 X 300 L |
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| Weight | 210kg | 220kg |
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| Power requirement | AC200 / 220V single phase 50/60Hz ±10%,
100 single phase, approx 5kW / 7.2kW |
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| Ordinary/ Max. using temp. | 1000ºC / 1100ºC |
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| Max. temp. up time | Approx. 60 min. to 1100ºC from normal temp. |
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| Material of furnace core tube | A special heat-resistant steel ( alloy of Fe, Cr and Al ) |
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| Temp. sensor | T/C covered with R-incornel |
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| Material of heater | Alloy of Fe, Cr and Al |
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| Safty devices | Over-heat temp. set, Pressure Gauge, Compresed air pressure sensor,
Prevention of the malfunction in the vacuum system,
Ditection abnormal of heater breakdown and temp. sensor |
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| System control | Full auto operation by a microcomputer; Temp. cotrol, Gas injection and exhausting operation |
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| Temp. control | Time sharing P.I.D. control |
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| Number of programs and links | 40 patterns and 20 segments per pattern / 10 kinds of links in 20 patterns max. |
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| Pressure level | Approx.10-1Pa (10-3 Torr) | Approx.10-3Pa (10-5 Torr) | Approx.10-4Pa (10-6 Torr) |
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| Exhausting speed | 60 min. up to 10-1Pa | 50 min. up to 10-3Pa | 25 min. up to 10-4Pa |
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| Gas flow meter | Nitrogen, Argon, 5L max. per min. at each bottle. |
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| Furnace atmosphere | Air, Vacuum, Nitrogen, oxygen, Inert gas |
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| Exhausting speed meter | Bourdon tube pressure gauge; Digital pirani vacuum gauge | Bourdon tube pressure gauge,
Digital pirani vacuum gauge,
Ionization vacuum gauge |
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| Exhausting equipment | Oil-sealed rotary pump
100L per min. | Oil-sealed rotary pump
100L per min.,
Diffusion pump
150L per sec. | Oil-sealed rotary pump
100L per minutes,
Turbo molecular pump
60L per seconds |
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| Temp. recorder | One pen type recorder ( 100mm width ) |
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| External control | Control of notebook personal computer |
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| Communication software | Model KDV-232 ( applicable to Microsoft windows XP/Me ) |
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| Neccessary external aparatus | Compressed air ( 0.5 MPa ) for cooling of a core tube and pressure valves |
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| Connection of Power | AC cord ( 5m length ) provided with a ground wire |
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| Accessories | Furnace bottom plate, Heat insulating buffle plate, AC cord,
Notebook personal computer, Rack for computer, RS232C cable,
Communication software, Instruction manual, Customer's card |
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| Optionals |
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Hybrid recorder (6 dotting, Chart type, 100mm width), Gas flow meter unit,
Regulator for Gas injection, Oil mist filter for clean enviroment,
3 colors light for warning,
Regulating unit for exhausting volume of turbo molecular pump (16L at every seconds),
Temp. sensor for data flexible R-type T/C |