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US 10,380,807 B2Granted
Pipette check system
AssigneeMettler-Toledo Rainin, LLC
InventorsGerhard Keller, Richard Hill, Deryl Stanley, James Petrek, Murray Anderson
Life of this patent
Estimating the term…
Abstract
A pipette check station for checking the calibration or service status of a pipette includes an RFID reader, a user interface with a display and buttons, and a digital interface to connect the check station to additional equipment; the check station optionally further includes provisions to hold pipettes for storage and to charge electronic pipettes held thereupon.
Claims9
A calibration and service management system for hand-holdable laboratory liquid dispensing equipment comprising:
- at least one computer workstation;
- at least one pipette check station programmed to read service and calibration status from a RFID, NFC, or Bluetooth accessible data storage facility of at least one item of hand-holdable laboratory liquid-dispensing equipment, the at least one pipette check station comprising:
- at least one antenna configured to read at least two dates representative of a next service date and a next calibration date from the data storage facility when the item is placed on the check station,
- a data processing unit programmed to calculate a first difference between the at least one next service date and a current date and a second difference between the next calibration date and the current date, and
- a visual indicator configured to present one of a plurality of status indications based on the smaller of the first difference and the second difference,
- wherein the visual indicator presents the status indication when the item is placed on the check station;
- and
- at least one pipette performance check unit configured and programmed to verify whether an item of hand-holdable laboratory liquid-dispensing equipment set to dispense a certain volume of liquid is calibrated to accurately dispense that certain volume of liquid within a specified tolerance, by receiving a sample of liquid dispensed from the hand-holdable laboratory liquid dispensing equipment and determining whether the quantity of dispensed liquid meets a desired value within a specified tolerance.
5 more elements
Dependencies are inferred from the claim text.