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Koehler K93469 High Frequency Reciprocating Rig (HFRR)

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Update Terakhir
21 Sep 2021
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Spesifikasi Koehler K93469 High Frequency Reciprocating Rig (HFRR)

Test Method


For evaluation of the lubricity of diesel fuels using a high-frequency reciprocating rig (HFRR). A 2-mL test specimen of fuel is placed in the test reservoir and maintained at 25 or 60°C. When the temperature has stabilized, a vibrator arm holding a non-rotating steel ball and loaded with a 200-g mass is lowered until it contacts a test disk completely submerged in the fuel. The ball is caused to rub against the disk with a 1-mm stroke at a frequency of 50 Hz for 75 min. The ball is removed from the vibrator arm and cleaned. The dimensions of the major and minor axes of the wear scar are measured under magnification and recorded.


Specifications


Conforms to the Specifications of: 


ASTM D6079, D7688; ISO 12156; IP 450; EN 590; CEC F-06-A 


Contact Geometry: Ball on Plate (Point Contact)


Stroke: 20 microns to 2 mm

Frequency: 10 Hz to 200 Hz

Test Load: 1 N to 10 N through dead weights

Frictional Force: 0 to 10 N

Temperature Range: Ambient to 150 °C

Test Disc Size: 10 mm dia. x 3 mm thick

Test Ball Size: 6 mm diameter

Power supply: 230V 50Hz 30A


Alat Laboratorium Umum


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