Model D130, D1838, D4814, IP 227 , ISO 2160 - Stainless Steel Liquid Bath
From ISO
Lawler offers a wide range of constant temperature test baths conforming to ASTM D130, D1838, D4048, D4814 Annex, IP227, and ISO 2160 copper corrosion tests for fuel and lubricants. Specify which test method(s) are desired for proper model selection. Pressure vessels are used for more volatile products like gasoline and aviation fuels versus the test tube procedure used for lubricants, diesel, and biodiesel.
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Products Details
Model 279-8 is a stainless steel liquid bath able to accept 8 test bombs and 8 test tubes for the D130 test method. Alternate test racks are available.
The temperature range of Model 279-8 is 40° to +115°C, optionally to 190°C, with temperature stability of ±0.2°C. Temperature is controlled with a digital display controller with 0.1°C resolution. A float switch interrupts power to the bath in the event of low bath fluid level.
The bath is mechanically agitated to insure test point to test point uniformity. A cover over the bath is provided to reduce evaporation (if water is used as a bath medium).
Model 279-12 is identical to Model 279-8 except it is larger and able to accept 12 test bombs 6 test tubes. Alternate racks are available.
Lawler copper corrosion baths are also suitable for the silver corrosion test method that is part of the ASTM D4814 gasoline specification.
The bath is mechanically agitated to insure test point to test point uniformity. A cover over the bath is provided to reduce evaporation (if water is used as a bath medium).
Model 279-8 and Model 279-12 are identical to Model 279-4 except are larger and able to accept 8 and 12 test bombs, respectively.
Model 291-6 is an insulated stainless steel liquid bath deep enough to be able to accept 6 test tubes conforming to IP 227 silver corrosion test method. The temperature range of Model 291-6 is 30° to 150°C with temperature stability of ±0.2°C. Temperature is controlled with a digital display controller with 0.1°C resolution. To prevent overheating, a high limit switch is provided to interrupt power to the bath in the event of primary controller failure. A float switch interrupts power to the bath in the event of low bath fluid level.
Model 295-6 is a solid aluminum block bath deep enough to accept 6 test tubes (350 mm long) as per IP 227. The dry block bath removes the disadvantages of liquid baths, such as smoke, fire hazard, cleanliness, safety, etc.
The ASTM D130 test is used at various temperatures for the following samples:
- Aviation gasoline, aviation turbine fuel, @ 100°C in a test bomb
- Natural gasoline, @ 40°C in a test bomb
- Diesel fuel and fuel oils, automotive gasoline, @ 50° to 100°C in a test tube
- Cleaners and kerosene @ 100°C in a test tube
- Lubricating oils @ 100°C and higher in a test tube
Benefits
- Solid Block Constant Temperature Baths
- Liquid Constant Temperature Baths
- Temperature Range 30° to 180°C
- Temperature Stability of ±0.2 °C
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