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Viscosity Series U.S. Pat. 6,938,464 6,951,127 9,157,846 M5600 HPHT Rheometer Features • Allows the user to test samples with high acid concentrations, including fluids with 30% HCl • All wetted materials are Hastelloy C276 construction • Incorporates years of research into its innovative design • Oil or dry heat option (oil bath shown, above) • Fully digital with LCD screen • Fast test cycle: Setup-load-test-clean • Safety feature of temperature controller will stop heating if it sees temperature is above 520°F. • Separate thermostat from temperature control loop that will cut off bath heater power supply when its temperature is above 500°F • Includes 2 temperature controllers, one for control, the other for safety. • Over pressure relief valve • Repeatable results with Test flexibility • Includes M5600 PC™ software, which connects the M5600 with a Windows®-based PC • Tests are simple to set up and run • Customizable charts and real-time data are displayed during tests • Saved tests can be searched by any specified test parameter: test name, fluid ID, additive, researcher name, or more 32 • SBC software on unit will stop heating if it sees temperature is too high • PC software will send stop heating command it if sees temperature is too high. • Also available: M5600 HPHT Rheometer Carrying Case • Carrying Case includes an extendable handle and wheels for easy transportation • Each M5600 unit has multiple thermocouples, dedicated thermostat for over heating shutoff, special relief valves, integrated N2 regulator, all internal tubing rating for 10ksi, and pre-programmed shutoff points within M5600 software. • The new carbon bath is much cleaner than older oil bath and allows for heating at 2x rate. Specifications Pressure Range: Atm to 2,000 psi Sample Size: 32 to 78 ml Resolution: 0.01% of full scale range or better Temperature Range: Amb. (20°F with Chilling Device) to 500°F (260°C) Speed Range: 0.0001 to 1,100 rpm continuous Frequency Range: 0.01 to 5 Hz (Optimized at 0.2 to 3 Hz) Amplitude Range: 0.1% to 500% (Optimized at 0.2% to 500%) Shear Rate Range: 0.00004 to 1870 sec-1 Shear Stress Range: 1 to 15,000 dyn/cm2 Viscosity Range: 0.5 to 5,000,000 Centipoise Torque: 14 μN.m to 100 mN.m Repeatability: ±0.05% of full scale range or better Construction: Hastelloy C Wetted Material Dimensions: 8.5" Depth x 12.5" Width x 25.5" Height Weight: 66 lbs (with bath) or 61 lbs (with carbon block) Data sheets and full product specifications can be found on our website at www.gic.com Viscosity

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