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| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Region of Manufacture | Domestic (China) |
| Model | OTF-1200X-4-NW |
| Quotation | Upon Request |
| Main Tube | 100 mm OD × 94 mm ID × 750 mm L (Fused Quartz) |
| Max Operating Temp (Main Zone) | 1100 °C (<2 hr), 1000 °C continuous |
| Preheat Zone | 30 mm OD × 150 mm L (Stainless Steel), RT–600 °C continuous |
| Heating Zones | Main: 440 mm (100 mm isothermal) |
| Preheat | 150 mm |
| Max Ramp Rate | 20 °C/min (both zones) |
| Power Supply | 220 V AC, 50/60 Hz, single-phase |
| Max Power | 3.6 kW |
| Cooling | Water-cooled KF25 flange with integrated seal cooling |
| Gas Inlets | Four 1/8" Swagelok ports on left flange |
| Vacuum Compatibility | KF25 interface for turbomolecular or rotary vane pump |
| Control System | Dual independent PID controllers, 30-segment programmable ramp-soak profiles, K-type thermocouples, ±1 °C accuracy |
| Optional | PC-based temperature control software (USB/RS485) |
| Dimensions (closed) | 1580 × 458 × 585 mm (62" × 18" × 23") |
| (fully extended) | 2040 × 458 × 585 mm (80" × 18" × 23") |
| Weight | 110 kg |
| Warranty | 12 months parts & labor (excludes consumables: quartz tube, O-rings, heating elements) |
| Safety Certification | UL-listed electrical components (>24 V) |
| Brand | KEJING |
|---|---|
| Model | OTF-1200X-4-R-II-AF |
| Maximum Operating Temperature | 1200 °C (≤1 h) |
| Continuous Operating Temperature | 1100 °C |
| Heating Zones | 2 × 200 mm (total 400 mm), each independently controlled |
| Uniform Temperature Zone | 200 mm (±1 °C at setpoint) |
| Tube Dimensions | Quartz, 100 mm OD × 1200 mm L (tapered ends: 60 mm OD) |
| Rotation Speed | 0–10 RPM (DC motor-driven) |
| Tilt Angle | Left 0–30°, Right 0–15° |
| Vacuum Level | 4.5×10⁻² Torr (mechanical pump) |
| Gas Flow Limit | ≤200 SCCM |
| Feed Rate | Up to 97 cm³/min (adjustable via potentiometer) |
| Collection Vessel | 1 L stainless steel canister with inert-atmosphere sealing |
| Power | 4 kW (furnace) + 200 W (feeder), AC 208–240 V, single-phase, 30 A circuit breaker required |
| Net Weight | 125 kg |
| Certifications | CE, UL/MET/CSA compliant (>24 V components), optional TÜV or CSA certification available upon customer request |
| Brand | KEJING |
|---|---|
| Model | OTF-1200X-4-C4LVS |
| Max Operating Temperature | 1100 °C (continuous at 1000 °C) |
| Heating Zone Length | 440 mm |
| Uniform Temperature Zone | 120 mm (±1 °C, 400–1100 °C) |
| Quartz Tube Dimensions | Outer Tube Ø100 × ID96 × 1400 mm |
| Gas Channels | 4 independent MFC-controlled lines (0–100 / 0–200 / 0–200 / 0–500 sccm) |
| Vacuum Level | 10⁻² Torr (mechanical pump) |
| Power Supply | 208–240 VAC, 50/60 Hz, single-phase, 2.5 kW |
| Cooling Method | Forced-air + sliding furnace displacement |
| Compliance | ASTM F2623 (CVD process validation), ISO 9001-certified manufacturing |
| Weight | 136 kg (300 lb) |
| Warranty | 12 months (excludes consumables: quartz tubes, O-rings, heating elements) |
| Brand | KEJING |
|---|---|
| Origin | Anhui, China |
| Model | OTF-1200X-4-III-9HV |
| Max. Operating Temperature | 1200 °C (continuous at 1100 °C) |
| Heating Rate | ≤20 °C/min |
| Tube Dimensions | 100 mm OD × 92 mm ID × 1400 mm L (fused quartz) |
| Vacuum Level | 10⁻⁵ Torr (turbo-molecular pump) |
| Mass Flow Controllers | 9-channel digital MFCs (CS200 series |
| ranges | 0–1000, 0–200, and 0–10 sccm |
| Power Supply | 7 kW, AC 208–240 V, single-phase, 50/60 Hz |
| Temperature Uniformity | ±1 °C over 500 mm constant-temperature zone |
| Certification | CE |
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