Model | Range | Fluid Used |
Mark II 25 | 0-3 in w.c. | Red oil, .826 s.g. |
Mark II 26 | 0-7 in w.c. | Blue oil, 1.91 s.g. |
Mark II 27* | 0-7000 fpm | Red oil, .826 s.g. |
Mark II 28* | 0-10,500 fpm | Blue oil, 1.91 s.g. |
Mark II MM-80 | 0-80 mm w.c. | Red oil, .826 s.g. |
Mark II MM-180 | 0-180 mm w.c. | Blue oil, 1.91 s.g. |
Mark II M-700PA | 10-0-700 Pa | Red oil, .826 s.g. |