LimsPulse
Physical testing

Density meter

Measures the density or specific gravity of a liquid in about a minute, using a vibrating glass U-tube. It replaces the pycnometer for most routine work.

  • Pharmaceutical
  • Food & beverage
  • Spirits & brewing
  • Chemicals
  • Petrochemicals
Photo of a Density meter
Photo: MTan42, CC BY-SA 4.0 (cropped), via Wikimedia Commons
CALIBRATION

Density meter calibration procedures

Air and water check

Measures dry air and pure water in the U-tube at the measuring temperature and compares each reading with its known density.

Open procedure
QUALIFICATION

Instrument qualification (DQ · IQ · OQ · PQ)

  1. 01

    DQ — Design qualification

    Defines resolution, range, temperature control, sample types (including viscous samples) and data integrity needs.

  2. 02

    IQ — Installation qualification

    Confirms installation, serial number, firmware, filling accessories and environment.

  3. 03

    OQ — Operational qualification

    Verifies density accuracy with air, water and a certified density standard, and temperature accuracy.

  4. 04

    PQ — Performance qualification

    Shows consistent performance through daily air and water checks and periodic checks with a standard similar to your samples.

In LimsPulse · Calibration Management

Keep every Density meter in control: usage logs, calibration and maintenance schedules, and automatic blocking of overdue instruments.

See how