Koehler K10991 Oxidation Stability Test Apparatus for Lubricating Greases

Update Terakhir
21 Sep 2021
Negara Asal
United States
Pembelian Min
1 unit

Spesifikasi Koehler K10991 Oxidation Stability Test Apparatus for Lubricating Greases


Conforms to the specifications of: 

ASTM D942; IP 142; DIN 51808; FTM 791-3453

Oxidation Bath: Capacity: four (4) oxidation pressure vessels

Temperature Range: ambient to 275°F (135°C)

Bath Medium: 12.5 gal (47.3L) white technical oil


  • Conforms to ASTM D942 and related specifications

  • Four sample testing capability

  • Available Oxidata® Pressure Measurement System

Test Method

The sample is oxidized in a pressure vessel initially charged with oxygen at 110psi (758kPa) and maintained at elevated temperature for a specified aging period. The pressure drop inside the pressure vessel is measured by means of a gauge or transducer.


Oxidation Bath–Constant temperature oil bath holds pressure vessels at the proper depth for determining oxidation stability of lubricating greases. Microprocessor PID control provides quick temperature stabilization without overshoot and the unit is protected by an overtemperature control circuit that interrupts power should bath temperature exceed a programmed cut-off point. Dual LED displays provide actual and setpoint temperature values in °C/°F format. Communications software (RS232, etc.), ramp-to-set and other enhanced features are available as extra cost options. Contact your Koehler representative for information. Heavily insulated welded stainless steel bath interior has a pressure vessel support rack and overflow standpipe/drain to maintain proper working depth. Steel exterior has a corrosion-resistant polyurethane enamel finish. 

Electrical Requirements

115V 60Hz, Single Phase, 13.0A

220-240V 50/60Hz, Single Phase, 6.8A

Additional Accessories

  • K11000 Oxidation pressure vessel

  • 311-160-003 Pressure Gauge 

  • K11005-OPS 4-Unit Oxidative Pressure Measurement for Lubricating Grease Oxidation Tests, 115V 60Hz

  • K11095-OPS 4-Unit Oxidative Pressure Measurement for Lubricating Grease Oxidation Tests, 220-240V 50/60Hz

  • K11040 Borosilicate Glass Dish

  • 250-000-22F ASTM 22F Thermometer. Range: 204 to 218°F

  • 250-000-22C ASTM 22C Thermometer. Range: 95 to 103°C 

  • 355-001-001 White Technical Bath Oil,  Gallon container 

  • 355-001-003 White Technical Bath Oil, 5 Gallon container 

  • K10504-0-1 Transducer Assembly

  • K10551 Pressure Line. For pressurizing Oxidation pressure vessel. 6 ft (1.83m) long, with quick release coupling for needle valve on pressure vessel and threaded fitting for oxygen tank

  • K10556 Oxygen Manifold Pressure Relief System - Connects to oxygen source to prevent overcharging of pressure vessel. Equipped with relief valve to vent at 125psi and 300 series stainless steel 150psi burst disk assembly. Constructed from 300 series stainless steel. Cleaned for oxygen service.

  • K11029 PTFE-fluorocarbon Gasket

Alat Laboratorium Umum

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