VNIIOFI
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| Brand | VNIIOFI |
|---|---|
| Origin | Russia |
| Model | BB-PyroG2500/3000 |
| Temperature Range | 800 °C to 3000 °C |
| Emissivity | 0.9995 ± 0.0005 |
| Cavity Bore Diameter | 10 mm / 15 mm / 25 mm (selectable) |
| Aperture Diameter | 10 mm / 12 mm / 15 mm / 20 mm (selectable) |
| Max. Operating Current | 320 A (at 3000 °C) |
| Max. Operating Voltage | 25 V |
| Radiator Lifetime | >500 h at 2800 K |
| Purge Gas | Argon or vacuum |
| Main Gas Flow Rate | 3 L/min |
| Shield Gas Flow Rate | 0.4 L/min |
| Cooling Medium | Water |
| Mounting Orientation | Vertical or horizontal |
| Dimensions (L × Ø) | 460 mm × 200 mm |
| Brand | VNIIOFI |
|---|---|
| Origin | Russia |
| Model | BB100-V1 |
| Temperature Range | −60 °C to 90 °C (vacuum environment) |
| Aperture Diameter | 100 mm |
| Cavity Diameter | 120 mm |
| Cavity Material | Copper |
| Axial Temperature Gradient | ≤ ±0.1 °C |
| Temperature Instability | ≤ ±0.05 °C |
| Effective Emissivity | 0.997 (1.5–15 µm) |
| Temperature Sensors | 5 calibrated Pt100 RTDs (100 Ω), monitored via Keithley 2000 or Agilent 34460A DMM with multiplexer |
| External Temperature Control | Required constant-temperature circulator |
| Brand | VNIIOFI |
|---|---|
| Origin | Russia |
| Model | BB2000gr |
| Instrument Category | Blackbody Furnace |
| Temperature Range | 900 °C to 2000 °C |
| Stability | ≤ ±0.5 °C per 60 min |
| Temperature Resolution | 0.01 °C |
| Heating Time | 2 h |
| Cooling Time | 2 h |
| Cavity Aperture Diameter | 40 mm |
| Cavity Opening Diameter | 50 mm |
| Cavity Length | 350 mm |
| Max Current | 800 A |
| Max Voltage | 30 V |
| Emissivity | 0.995 ± 0.003 |
| Operating Gas | Argon (2–4 L/min) |
| Cooling Medium | Water |
| Housing Diameter | 260 mm |
| Housing Length | 920 mm |
| Brand | VNIIOFI |
|---|---|
| Origin | Russia |
| Model | BB3500M |
| Temperature Range | 1500 K – 3500 K |
| Emissivity | 0.9995 ± 0.0005 (350 nm – 2500 nm) |
| Cavity Bore Diameter | 38 mm |
| Aperture Diameter | 25 mm (unwindowed) or with removable fused silica viewport |
| Max. Current | 800 A |
| Max. Voltage | 30 V |
| Cooling Water Flow Rate | 25 L/min at 15 °C |
| Operating Atmosphere | Argon or vacuum |
| Main Gas Flow | 3 L/min |
| Shield Gas Flow | 0.4 L/min |
| Cavity Lifetime | 700 h at 2800 K, 150 h at 3200 K |
| Dimensions (L × Ø) | 700 mm × 260 mm |
| Orientation | Vertical or horizontal mounting |
| Temperature Resolution | 0.01 °C |
| Ramp Time (to max temp) | 2 h |
| Cool-down Time | 2 h |
| Brand | VNIIOFI |
|---|---|
| Origin | Russia |
| Model | BB3500MP |
| Temperature Range | 1800 K – 3500 K |
| Cavity Inner Diameter | 59 mm |
| Aperture Diameter | 30–50 mm (unwindowed) or with removable high-temp quartz window |
| Emissivity | 0.9995 ± 0.0005 (350 nm – 2500 nm) |
| Max. Current | 1000 A |
| Max. Voltage | 30 V |
| Operating Gas | Argon or vacuum |
| Main Gas Flow | 2–4 L/min |
| Shield Gas Flow | 0.4 L/min |
| Cooling Water Flow | 20 L/min at 15 °C |
| Cavity Material | Pyrolytic graphite |
| Dimensions (L × Ø) | 850 mm × 370 mm |
| Mounting | Vertical or horizontal |
| Lifetime | 500 h at 2800 K, 150 h at 3200 K |
| Brand | VNIIOFI |
|---|---|
| Origin | Russia |
| Model | BB80/350 |
| Aperture Diameter | 350 mm |
| Temperature Range | 220–350 K |
| Additional Setpoint | 313 K |
| Spectral Range | 2.5–15 µm |
| Emissivity | 0.96 ± 0.02 |
| Uncertainty (280–300 K) | ±0.1 K |
| Repeatability (300 K) | 0.5 K |
| 10-Minute Stability | 5 K |
| Continuous Operation Time | 8 h |
| Operating Environment | Indoor, Dry Nitrogen Atmosphere, Standard Pressure |
| Ambient Temperature | 0–30 °C |
| Vacuum Chamber Pressure | 10⁻⁵–10⁻⁸ Torr |
| Cryogenic Base Temperature | 77 K |
| Brand | VNIIOFI |
|---|---|
| Origin | Russia |
| Product Type | Eutectic Fixed-Point Cell (for High-Temperature Blackbody Radiance Calibration) |
| Compatible Radiation Sources | BB3500, BB3500MP, BB3200pg, BB3500-M, BB3200pg (Re-C) |
| Eutectic Temperatures | 2474 °C to 3185 °C |
| Crucible Material | Graphite |
| Cavity Material Options | HfC–C, ZrC–C, TiC–C, δ(MoC)–C, Re–C |
| Effective Emissivity | 0.999 to 0.99994 |
| Cavity Dimensions (L×W×D) | 54×24×34 mm to 124×164×43×4 mm (varies by model and source) |
| Brand | VNIIOFI |
|---|---|
| Origin | Russia |
| Model | LABB |
| Temperature Range | −60 °C to +180 °C |
| Temperature Stability | ±0.02 °C (maintained by liquid thermostat) |
| Aperture Diameter | 500 mm |
| Effective Emissivity @ −60 °C | ≥0.99 |