Ametek Rheometer DVNext HA

Warning: Failure to properly install the screen protector may result in a disabled touch screen.

Turn off the DVNext rheometer (power down) prior to installation.

Clean the DVNext touch screen with the screen cloth prior to installation.

Identify Tab 1 and Tab 2 prior to removing any protective layer.

Peel back adhesive Tab 1, from the bottom, to expose half of the protector.

Do not touch the exposed surface of the adhesive side of the screen protector.

Align the screen protector to the bezel (frame) of the DVNext.

Lightly press the screen protector to the touch screen.

Warning: This procedure requires trained personnel with PPE!

Check for any contamination in the fluid

If contamination is found, proceed with fluid replacement

Upload a photo of the fluid before replacement

Upload a photo of the fluid after replacement

Sign off on the fluid replacement

Dispose of the old fluid in accordance with state, local and federal regulations

Do not re-certify Viscosity Standard Fluids. If needed, request a duplicate copy of the Certificate of Calibration from AMETEK Brookfield within two years of the purchase date.

Warning: This check requires trained personnel. Do not disturb the DV Rheometer during the check.

The device will now perform a series of steps automatically. This should take approximately 3 minutes.

Did the %Torque decrease smoothly?

Enter the final value of %Torque

Any value above 0.3 % or below -0.3% indicates that a calibration check should be performed.

Is a calibration check required?

Calibration Procedure for LV #1-3 (#61-63) and RV, HA, HB #1-6 AMETEK Brookfield Spindles

Viscosity standard fluid placed in the water bath?

DVNext lowered into measurement position?

Spindle attached to the Rheometer?

Viscosity standard fluid and spindle immersed for a minimum of 1 hour?

Temperature of the viscosity standard fluid

Viscosity reading equals the cP value on the fluid standard?

Calibration Procedure for a Small Sample Adapter

Proper amount of viscosity standard fluid put into the sample chamber?

Ensure the instrument is in a clean, dry working environment (dust free, moderate temperature, low humidity, etc.)

Is the instrument on a level surface?

Are hands/fingers clean and free of sample residue?

Remove the spindle from the instrument prior to cleaning. Note left-handed thread. Severe instrument damage may result if the spindle is cleaned in place.

Do not apply excessive force when cleaning, which may result in bending spindles.

Instrument and Display: Cleaned with a dry, non-abrasive cloth?

Do not use solvents or cleaners. The instrument housing is manufactured from polycarbonate ABS. Clean Instrument housing with mild soap and water. Do not apply solvent to the instrument!

Immersed Components (spindles): Cleaned with a non-abrasive cloth and solvent appropriate for sample material?

Sign off on the rheometer cleaning