K45950 Cold Filter Plugging Point Bath


Test Method
Determines the low temperature flow characteristics of automotive diesel fuels and gas oils, including samples with flow improving additives, by measuring the temperature at which the sample ceases to flow through a wire mesh filter under standard test conditions. Complete test consists of Cold Filter Plugging Point Apparatus, Vacuum System and Cooling Bath.

Features and Benefits

• Conforms to ASTM D6371, IP 309 and DIN 51428 specifications

• Choice of mechanically refrigerated or dry ice cooled bath


K45950 Cold Filter Plugging Point Bath
Cold Filter Plugging Point Apparatus–Includes Pyrex™ test jar with graduation, brass jacket with plastic support ring, plastic stopper, plastic insulating ring and spacer, pipette and brass filter unit with stainless steel fine wire mesh screen.

Vacuum System–Connects to Cold Filter Plugging Point Apparatus to draw sample through filter screen. Consists of U-tube Manometer (without mercury), three-way stopcock, air vent tube, cork stopper with elbows, and large glass bottle. Vacuum pump is not included.

Cooling Baths–Choice of mechanically refrigerated or dry-ice cooled baths. Mechanically refrigerated model utilizes a cascade hermetic cooling system to attain temperatures as low as –90F (–68C). Cold Filter Plugging Point Apparatus inserts in composition top plate of bath. Insulated stainless steel tank and polished stainless steel cabinet.

Dry-ice model includes insulated copper interior and steel exterior with corrosion resistant polyurethane enamel finish. Composition top plate suspends Cold Filter Plugging Point Apparatus in freezing mixture at the required depth. Handles on exterior permit easy emptying of freezing mixture. Supplied with thermometer holder.

Conforms to the specifications of: ASTM D6371; IP 309; DIN 51428

Electrical Requirements
Mechanically Refrigerated Baths
115V 60Hz, Single Phase, 6A
220-240V 50Hz, Single Phase, 3A

Dimensions* in.(cm):
Refrigerated Model (Ixwxh):
35x26x31 (89x66x78.75)
Net Weight: 259 lbs (117.75kg)
Dry-Ice Model (dia.xh):
12x12 (30x30)
*Cooling Bath

Shipping Information
Shipping Weight:
Refrigerated Model: 373 lbs (169.5kg)
Dry-Ice Model: 19 lbs (8.6kg)
Refrigerated Model: 23.75 Cu. ft.
Dry-Ice Model: 3 Cu. ft.

Ordering Information



Product Description

Electrical Requirements


Cold Filter Plugging Point Apparatus



Vacuum System



Mechanically Refrigerated Cold Filter Plugging Point Cooling Bath

115V 60Hz


Mechanically Refrigerated Cold Filter Plugging Point Cooling Bath

220-240V 50Hz


Cooling Bath, Dry Ice Model





Product Description


ASTM 5C Thermometer
Range: –38 to +50C


ASTM 6C Thermometer
Range: –80 to +20C


When inquiring about NIST traceable certified thermometers, please refer to the catalog number for the corresponding thermometer and replace the middle three zeros in the catalog number with 004. Example: 251-000-01C ASTM 1C Thermometer would be 251-004-01C ASTM 1C Certified Thermometer.