Key Specifications
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Maximum measurement error
Liquid mass flow: ±0.1 %
Liquid volume flow: ±0.1 %
Gas mass flow: ±0.35 %
Liquid density: ±0.0005 g/cm³ -
Measurement range
0–450 kg/h (0–16.54 lb/min)
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Medium temperature range
-50 to +205 °C (-58 to +401 °F)
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Maximum process pressure
430.9 bar (6250 psi)
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Wetted materials
Measurement tube: stainless steel 1.4435 (316/316L); Alloy C22
Applications
The compact Promass A is perfectly suited for continuous process monitoring in challenging environments. Its innovative self-draining single-tube design ensures precise measurement of liquids and gases at minimal flow rates under high pressure. Featuring economical loop-powered operation and intrinsic safety (Ex ia), the Promass A 200 delivers exceptional operational security in hazardous locations. Heartbeat Technology guarantees process reliability.
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Measurement principle unaffected by fluid characteristics like viscosity or density
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Ideal for minimal flow applications in chemical processing
Device characteristics
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Nominal diameter: DN 1–4 (1/24–1/8″)
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Maximum process pressure: 430.9 bar (6250 psi)
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Medium temperature range: up to +205 °C (+401 °F)
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Loop-powered operation
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Durable dual-chamber housing
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Global safety certifications (SIL, hazardous areas)
Advantages
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Compact design for space-efficient installation
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Superior measurement accuracy with self-draining tube design across all sizes
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Enhanced process reliability – resistant to corrosion and clogging
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Simplified wiring – dedicated connection compartment
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Safe operation – touch-controlled display with backlight eliminates need for device opening
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Built-in verification – Heartbeat Technology
