DGSI. Durham Geo Slope Indicator

Mud Balance and Marsh Funnel Viscometer

marsh funnel viscometer, DE-11000
Mud Balance: Durable, break resistant construction. Resists temperature change and maintains volumetric accuracy. Consists of a base, graduated arm and cup, lid, knife edge, rider, built in spirit level, and a counterweight. Plastic carrying case provided. An outstanding advantage of this Mud Balance is that the temperature of the sample does not materially affect the accuracy of readings. The Mud Balance is constructed with an easy to read beam which is graduated into four scales: pounds per gallon, specific gravity, pounds per cubic foot, and pounds per square inch per 1,000 feet of depth.

    Measuring Range:
  • lb/gal: 6-24
  • lb/sq in/1000ft of depth: 310-1250
  • lb/cu ft: 45-180
  • gms/cm3 (Specific Gravity): 0.72-2.88
This balance meets all the requirements of the API standard procedures for testing water base drilling fluids, oil base drilling fluids and oil well cements.

Note: The volume of space occupied by entrapped gas or air bubbles in a sample fluid may distort the accuracy of the fluid density measurement. This distortion can be significantly reduced by pressurizing the fluid. The density of a fluid containing entrained air or gas can be determined more accurately by using a pressurized fluid density balance.

Model Description
DE-11500 Mud Balance with Case

Note: DE-11500 is also available as part of DE-11000 Marsh Viscosity Kit.

Marsh Funnel Viscometer: The Marsh Funnel is a simple device for indicating viscosity on a routine basis. When used with a measuring cup, the funnel gives an empirical value for the consistency of a fluid.

The 1000 cc measuring cup is made of a high-impact plastic that resists temperature change deformation. It is graduated in cubic centimeters and fluid ounces and it is designed specifically for use with the Marsh Funnel Viscometer. Lines are molded in at 350 ml and 1 quart (32 fl oz) to aid in these tests.

The funnel's metal orifice assures accurate readings.

Model Description
DE-11010 Marsh Funnel
DE-11020 Marsh Funnel Cup
DE-11000 Marsh Viscosity Kit

Note: In addition to the Marsh Funnel, the viscosity measurement procedure requires a a graduated container (Measuring Cup) to receive the fluid as it flows out of the funnel, a means to measure elapsed time (stopwatch), and a thermometer for measuring the temperature of the sample.

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