Model 261 Closed-Cup Flash Point Tester (Pensky-Martens)
The Model 261 determines the flash point of petroleum products by the Pensky-Martens closed-cup method, conforming to GB/T 261. Heating power: 600 W electric resistance furnace; heating rate: 5–6 °C/min during preheating, 1–1.5 °C/min during testing; stirring speed: 100–120 r/min for the sample, 250–300 r/min for the air; electronic ignition; flame diameter: 3–4 mm; temperature range: -20 °C to 100 °C; temperature accuracy: ±0.1 °C; overall power: ≤650 W. Power supply: AC 220 V ±10%, 50 Hz.
| Parameter | Specification |
|---|---|
| Heating power | 600 W electric resistance furnace |
| heating rate | 5–6 °C/min during preheating, 1–1.5 °C/min during testing |
| stirring speed | 100–120 r/min for the sample, 250–300 r/min for the air |
| flame diameter | 3–4 mm |
| temperature range | -20 °C to 100 °C |
| temperature accuracy | ±0.1 °C |
| overall power | ≤650 W. Power supply: AC 220 V ±10%, 50 Hz |