PCS Technical Notes: PT-11, PTM-01, Selection

Selection Notes and General Comments

- Low cost, all plastic rotameters.
- High corrosion resistance with temperatures up to 55 C. Above 55 C the tube will turn a milky opaque colour.
- The PTM is a smaller version of the PT Series.
- Optional high and low flow alarms.
- Optional 4-20mA output signal, 15 point for the PT Series and 10 Point for the PTM Series.
- The Polysulfon version in the datasheet (PS-31/32) is only available for the sizes 313-0400 to 314-2500 (ie 3/4" & 1" only).
- Easy customisation of scales.