Specs at a glance Max. measurement error: Mass flow (liquid): ±0.1 % Volume flow (liquid): ±0.1 % Mass flow (gas): ±0.35 % Density (liquid): ±0.0005 g/cm³ Measuring range: 0 to 450 kg/h (0 to 16.54 lb/min) Medium temperature range: -50 to 205 °C (-58 to 401 °F) Max. process pressure: 430.9 bar (6250 psi) Wetted materials: Measuring tube: stainless steel, 1.4435 (316/316L); Alloy C22 ---------------------------------------- Field of application Promass A is ideal for continuous process control in very demanding applications. Its unique self-drainable single-tube system enables accurate measurement of liquids and gases at lowest flow rates and high pressure. With its compact transmitter Promass A 300 offers high flexibility in terms of operation and system integration: access from one side, remote display, improved connectivity options. Heartbeat Technology enables measurement reliability and compliant verification. • Measuring principle operates independently of physical fluid properties such as viscosity or density • Suitable for applications with smallest flow quantities in all industries • Nominal diameter: DN 1 to 4 (¹⁄₂₄ to ¹⁄₈") • Process pressure up to 430.9 bar (6250 psi) • Medium temperature up to +205 °C (+401 °F) • Compact dual-compartment housing with up to 3 I/Os • Backlit display with touch control and WLAN access • Remote display available Device properties