Case: Nylon, standard colours black, other colours on request.
Fixing system: moulded-in elastic tabs; metal bracket on request (TQ 45 PS or IQ 45 PS).
Glass cover: shatterproof metacrylate ester, on request, on hydrometer, maximum red index.
Capillaries: bare or coated copper (black PVC on instruments for heating applications, white polypropylene for refrigeration); standard lengths 0,5 - 1 - 1,5 metres, other lengths on request.
Bulb: brass, look the table.
Hydrometer fitting: brass, look the table, special fitting on drawing.
Thermometer movement: phosphor bronze tube spiral.
Manometer movement: copper alloy Bourdon type "C" spring; high-sensitivity amplification mechanism in watchmaker’s brass.
Dial: printed aluminium. Custom designed dials may be supplied.
Temperature scales: 0/120°C for heating; -40/+40°C for refrigeration.
Pressure scales: 0/4 or 0/6 bar.Other scales on request.
Accuracy: ± 3% of highest value.