Standard hydrometers
These standard hydrometers strictly adhere to the principles of manufacture and specified calibration.
- Reading below meniscus
- Calibration temperature: 20 °C
- Reference mark on the stem shows any movement of the measurement scale
: NF, ISO, BS and DIN.
: Include three calibration points (factory certificate or accredited laboratory certificate on request). The calibration points should be specified when ordering.
: Supplied with certificate of conformity to ISO 649 (corresponding to BS718, DIN12791, NF B 35511).