The cloud and pour point apparatus is available in 6 models: model 490/HS/140 with 4 positions operating at temperatures as low as -69C; model 500/S with 4 positions each for 4 different temperatures (0, -18, -33, and -51C); model 510/S with 4 positions each for 3 different temperatures (0, -18, and -33C); model 520/S with 4 positions each for 5 different temperatures (0, -18, -33, 52, and -69C); model 530/S with 4 positions each for 6 temperatures ( 50, 0, -18, -33, -33, -51, and -69C); and model 540, the conventional cloud and pour point apparatus, operating at temperatures as low as -69C with dry ice.

Designed for simple use at extremely low temperatures, the cloud and pour point refrigerators are each equipped with an automatic defrosting mechanism and a digital thermoregulator fitted with a PT100 A temperature probe, ensuring stable temperatures as low as -69 C. Additional features of the cloud and pour point apparatus include a glossy black PVC cover with small stand-by covers and aluminum blocks with holes to accommodate graduated jars.

The cloud point refrigerators are equipped with four wheels and brakes for easy mobility around thelaboratory. The instruments are sealed with an anti-acid epoxidic coat, preventing corrosive damage andensuring durability for years to come. Because operator safety is crucial, the cloud point tester’s refrigerators are fitted with an earth leakage circuit, and refrigerant gases are CFC-free.

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The DR6 and DR7 series automated analyzers are nearly identical in design and configuration. The only difference is the number of test positions. The DR6 is a single test position instruments, while the DR7 series signifies dual test positions.

All DR6 and DR7 instruments come fully loaded with all necessary accessories ready to run at full capacity out of box.

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A wide variety of refrigerated water bath models are available with working temperature ranges from 48 to -69 C to test cloud point, pour point, and cold filter plugging point of petroleum products. Each multi-bath unit conforms to ASTM D97 pour point and ASTM D2500 cloud point test methods and related methods. Each stainless steel liquid bath has its own digital indicating PID temperature controller with 0.1 C resolution, providing temperature stability of 1.5 C. The baths of select models are agitated for improved temperature stability (0.5 C) and uniformity, making them suitable for ASTM D6371 (or IP309) cold filter plugging point test with the addition of the CFPP kit (see options tab).

Each refrigerated water bath comes equipped with 4 metal test jackets, 4 cork rings, 4 O-rings, and 4 cork stoppers for the thermometer (test tube is available separately). All units are mechanically refrigerated using ozone friendly non-CFC and non-HCFC refrigerants, making the instruments a sustainable choice in petroleum testing.

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Certain models allow for independent temperature control and dual chambers. Ample storage is provided inside the cold chambers for pre-cooling the insulated cell carriers. A digital, indicating controller with a 0.1?C resolution maintains the temperature stability to ?0.1?C, with a lowest possible temperature reach of -60? C. Air chamber bath models vary from robust testing units to those designed for laboratories with light sample loads and limited space and budgets.

See the models tab for all available bench top and floor models that test Brookfield viscosity.

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Using Windows-based PC proprietary software, two baths can be controlled simultaneously, allowing the baths to operate at two independent temperatures with independent start, stop, and duration times. The operating temperature range of the programmable liquid baths is 20 to -55C, with a temperature control within 0.1C. The liquid baths are programmed to ensure that sample cooling rates equal the same cooling rates identified when a sample is immersed in the constant low temperature air chamber. The baths also can be programmed to cool at a rate of 1C per minute from ambient to as low as -55C as per CEC-L-18A, ISO 9262, and IP 267 for the measurement of European low temperature Brookfield viscosity.

Holding about 3 liters of bath medium, the bath is an unsilvered, illuminated Dewar jar that allows full visibility of the test samples to facilitate the proper position of the spindle bead immersion level. The turntable, which holds 10 test samples, is manually rotated until the proper test cell is under the viscometer after proper conditioning time, The spindle is connected while the sample is in the liquid bath, allowing viscosity measurement without removing the sample from the temperature-controlled environment.

Duplicate samples at -40C were measured in a Model 76 Liquid Programmable Bath. Of the 56 samples, the average variability between the duplicate samples was 1.13% of mean. This compares favorably to the method?s stated precision of 11.8%. The key factor in the improved precision is the superior temperature control of the sample as its viscosity is being measured.
See Models ?tab for all bench top and floor models.

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TANAKA?s MPC series of cloud point testers and pour point analyzers have been designed for automatic determination of POUR POINT (PP) and CLOUD POINT (CP) with small specimen size and shorter test cycle time while securing better test precision than the conventional manual methods.

PP measurement is by ?AIR PRESSURE METHOD? (ASTM D6749), and CP measurement is by ?SMALL TEST JAR METHOD? (ASTM D7683).

The epoch-making automatic PP test method used by the Tanaka MPC-102S pour point analyzer yields 1?C test resolution, while the new CP method yields 0.1?C resolution. (Cloud point analyzer shown with optional printer).

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Purchase this temperature probe online.

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