Redwood Viscometer PSAW Electrically operated, these viscometers are designed for viscosity tests of petroleum products. They confirm to requirements of IP 70 (Former). Two adaption of redwood viscometer are available , No. 1 for liquids having red wood flow 20 seconds to 2000 seconds and No. 2 for liquides whose flow time exceeds 2000 seconds. The complete outfit comprises stainless steel bath with electrical heating arrangement suitable to operated at 220 volts AC mains, fitted with tap, silver plated oil cup cover, ball valve and thermoteter-clip, stirrer and mild steel stand with levelling screws. Electrically heated with energy regulated for temperature control.