Blog - VWR

The process of disassembly, removing, replacing, and reinstalling parts, as well as, performing preventive maintenance (PM) on the VWR EHP single channel pipette require great care. A high attention to detail, patience, and steady hands are required. Please dedicate a good work area with good lighting and space where small parts can be located should

Read More… from Preventative Maintenance: VWR Ergonomic High-Performance (EHP) Single Channel Pipette

Instructions to calibrate a UHP pipette: WARNING:  Performing a calibration adjustment on any pipette should always be the last resort. Visual and performance confirmation that the internal seal, o-ring, piston assembly, lubricant (as applicable), shaft assembly, and other vital pipette parts that impact the accuracy and precision performance of the pipette must be in good/optimal

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VWR UHP Preventive Maintenance Recommended Supplies: (All VWR UHP Single Channel Parts) Optional UHP Preventive Maintenance Supplies: Step 1: Carefully unscrew the liquid end assembly from the pipette body as shown in Figure 1.0. Lay aside the pipette body for reassembly after preventive maintenance is completed. Step 2:  Carefully unscrew the liquid end coupling nut

Read More… from Preventive Maintenance: VWR Ultra High-Performance (UHP) Single Channel Pipette

Instructions to calibrate a VWR EHP: ATTENTION: Performing a calibration adjustment on any pipette should always be the last option, never the first. Performing a calibration adjustment as the first option, may mask underlying pipette performance issues that could affect both the short- and long-term health of your pipette. This could lead to costly repairs

Read More… from How to Calibrate a VWR Ergonomic High Performance (EHP) Pipette