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BF-38A Cone Penetrometer (Cone Penetration Tester) for Lubricating Grease
BF-38A Cone Penetrometer (Cone Penetration Tester) for Lubricating Grease
Supplier Info
[China Supplier]
Contact Person : Ms. Tong Jane
Tel : 86-411-84754333-306
Fax : 86-411-84753759
Product Detail
Cone penetrometer (cone penetration tester) Test accurately With a thermostatic bath North Dalian GB/T269 ASTM D217

          BF-38A  Cone  Penetrometer for Lubricating Grease

                              (Cone Penetration Tester)

 1. Performance and Characteristics

     Digital show; automatic timing; automatic locking; with grease worker; with thermostatic bath.

 2. Technical Parameters

Maximum measuring range 75mm
 Penetration accuracy  ±0.1mm
 Standard cone  conforming to GB/T 269   ASTM D217
 Timing accuracy 0.1s
 Temperature range by thermostatic bath Room temperature ~50±0.1°C

 3. Applicable Standard

     BF-38 conforms to the standards of GB/T269, ASTM D217 and ISO 2137.

    These test methods cover four procedures for measuring the consistency of lubricating greases by the penetration of a cone of specified dimensions, mass and finish. The penetration is measured in tenths of a millimeter.

    The procedures are for unworked, worked, prolonged worked and block penetration.

 4.Summary of Test Method

     For unworked penetration, the sample is brought to 25°C (77°F) in a worker cup or other suitable container. The cone assembly of the penetrometer is released and allowed to drop freely into the grease for 5 s. Three determinations are made and averaged to give the reported result.

    For worked penetration, the sample is brought to 25°C(77°F) and placed in the worker cup. The sample is subjected to 60 double strokes in the grease worker. The penetration is determined immediately by releasing the cone assembly from the penetrometer and allowing the cone to drop freely into the grease for 5 s. Three determinations are made and averaged to give the reported result.

    For prolonged worked penetration, the sample is placed in the worker cup and subjected to a predetermined number of double strokes in the grease worker. Following completion of the prolonged working, the grease and worker assembly are brought to 25°C (77°F) and the grease is worked an additional 60 double strokes in the grease worker. The penetration is determined immediately by releasing the cone assembly from the penetrometer and allowing the cone to drop freely into the grease for 5 s. Three determinations are made and averaged to give the reported result.

    For block penetration, a cube of the grease is prepared by slicing off a thin layer using the grease cutter. The cube of grease is brought to 25°C (77°F) and placed on the penetrometer table with the prepared face upward. The penetration is determined by releasing the cone assembly from the penetrometer and allowing the cone to drop freely into the grease for 5s. Three determinations are made and averaged to give the reported result.

BF-38A Cone Penetrometer (Cone Penetration Tester) for Lubricating Grease

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