Noak Evaporation Tester VP 250
THERMAL TESTING OF MOTOR OILS AND LUBRIFICATION.
- The test method is standardized in DIN 51581 part 1, ASTM D5800 Method A. The oil sample is heated in the evaporation crucible, and subsequently retained at the testing temperature for exactly 60 minutes.
- The VP250 is equipped with a differential pressure controller to control automatically differential pressure; standard set pressure: 20 mm H2O; long-term stabilized pressure sensor; tolerance extent ± 1%;
Description
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FEATURES
- Vacuum pump with oil filter
- Port to document the temperature and pressure course
- microprocessor-controlled temperature control unit: high control accuracy, automatic adaptation of the control parameters
- wide temperature range from 150 to 300° C
- PT100 probe calibrated against gauged mercury thermometer with 0.1°C scale: deviation to real temperature is smaller than 0.5°C
- excess temperature protection
- LCD display for actual temperature / pressure and test time
- timer with acoustic signal – no separate stopwatch required
- faults are displayed acoustically and visually – no measurement errors
- automatic sensor adjustment; no long-term drift
Technical Specifications
Measures:278 x 316 x 300 mm
Weight:18 kg / 23 kg
Mains:230 V / 110 V
Power:950 VA at 250°C
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