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| Brand | Koehler |
|---|---|
| Origin | USA |
| Model | K94190 |
| Compliance | ASTM D5001 |
| Test Principle | Ball-on-Cylinder Lubricity Evaluation (BOCLE) |
| Sample Volume | 50 ± 1.0 mL |
| Test Temperature | 25 ± 1 °C |
| Regulated Air RH | 10 ± 0.2 % at 25 °C |
| Dry/Air Flow Rates | 0.5 L/min (through sample), 3.8 L/min (over test surface) |
| Load | 1000 g (±1 g) |
| Cylinder Speed | 240 ± 0.5 rpm |
| Test Duration | 30 ± 0.1 min |
| Test Ring | SAE 8720 steel, Ø49.10–49.25 mm × 13.0–13.11 mm, hardness 58–62 Rc, Rq 0.51–0.71 µm |
| Test Ball | AISI 52100 steel, Ø12.7 mm, hardness 64–66 Rc |
| Power Supply | 230 V AC, single-phase, 5 A |
| Brand | Koehler |
|---|---|
| Origin | USA |
| Model | K33900 |
| Compliance | ASTM D381, IP 131, ISO 6246, DIN 51784, FTM 791-3302, NF M07004 |
| Configuration | 6-position aluminum block bath with integrated steam superheater |
| Temperature Range | Up to 246 °C (475 °F) |
| Temperature Stability | ±0.5 °C |
| Heating Power | 0–3000 W |
| Steam Superheater | Stainless steel chamber, solid-state temperature control (0–290 °C), dry saturated steam delivery |
| Air/Steam Flow Control | Digital mass flow meter + pressure regulator with gauge |
| Safety | Over-temperature cut-off circuit, insulated aluminum block, dual LED display (°C/°F), PID microprocessor temperature control |
| Electrical | 220–240 V, 50/60 Hz, single-phase, 30 A |
| Dimensions (W×D×H) | 53.34 × 52.07 × 71.12 cm |
| Net Weight | 104.3 kg |
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