Description
84CF is a multivariable vortex flowmeter capable of accurate, maintenance-free measurement of flow (liquid/gas/steam) and—when equipped with temperature compensation—mass flow. It supports steam, gas, and liquid applications across process industries (chemical, utilities, oil & gas, energy, water, etc.). With robust stainless-steel construction, no moving parts, and multiple communication options, it is suited for general-purpose process, utility and energy applications.
| Parameter |
Specification / Notes |
| Technology |
Vortex shedding (vortex) |
| Measured Media |
Liquids, gases, steam (single-phase) |
| Line Size / Connection |
DN15–DN300 (¾″–12″) flanged (84CF), wafer (84CW), also threaded/NPT (84CN) or sanitary (84CS) variants depending on model. |
| Accuracy (Volumetric / Mass) |
Liquids: ±0.5% of reading; Gas / Steam: ±1.0% of reading; Saturated steam (mass): ±1.4% (model-dependent) |
| Turndown Ratio |
Approximately 40:1 for liquids; ~20:1 typical for gas/steam |
| Temperature Range (Process) |
–20 °C to +200 °C (standard); special versions up to ~+430 °C for high-temperature steam/liquids (depending on shedder bar / body material) |
| Outputs / Communication |
4–20 mA, HART-7, Modbus RTU; pulse outputs and status outputs; optional local LCD display & configuration |
| Body / Sensor Material |
Stainless steel (316 or 304), also options with nickel-alloy shedder bar for aggressive or high-temperature fluids. |
| Construction Features |
No moving parts → low maintenance; ActiveTuning™ algorithms for improved sensitivity and low-flow behaviour; DirectSense™ sensor technology for better signal detection. |
| Certifications / Approvals |
Explosion-proof / hazardous-area versions available (ATEX, IECEx, FM/CSA, NEPSI etc.); suitable for general industrial / utility / steam / chemical / oil-gas environments. |
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