Standardized Hydrometers - Mineral Oil
(Russia) AH-1 & AH-2 series

GOST traceable Hydrometers for the petroleum industry.
With red liquid thermometer -20+45°C div. 1°C (AHT-1) or -20+35°C div. 1°C (AHT-2).

These hydrometers are registered by the Russian State: Certificate No. 33218.

They are calibrated at 15°C or 20°C for a low surface tension (33 mN/m)
Reading below meniscus.
The scale of the hydrometer is fully marked with all the reference norms, the calibration temperature, the surface tension, the individual number of the instrument.
With a benchmark engraved on the stem to show any displacement of the scale.

Systematically delivered with a Traceability and Conformity Certificate.
On request, can be supplied with "EU" Traceable Calibration Certificate