Krohne CRK H250/RR1/M9

H250 M9

Variable area flowmeter for liquids and gases

• Mechanical indicator, with optional limit switches, pulse and 4…20 mA/HART^®
• Flange: DN15…150 / ½…6"; also NPT, G, hygienic connections, etc.
• -196…+400°C / -320…+752°F; max. 1000 barg / 14500 psig

Product features and options depend on device configuration: Contact us to make sure that your preferred functionality can be combined in one device.

• Simple, low-cost installation: able to measure and display without auxiliary power supply
• Unique modularity and serviceability: Limit switches, 2-wire 4…20mA, totalizer with LCD and pulse output, fieldbus interfaces
• NE 107 device and application diagnostics with CFM (Continuous Float Monitoring), e.g. for float blockade detection
• Universal ex-concept: Explosion proof and intrinsically safe
• Various stainless steel and alloy sensor materials
• Optional stainless steel housing for corrosive atmospheres
• Ingress protection IP66 and IP68 / NEMA4X and NEMA6, IP69K optional
• Full scale value for liquids: 10…120,000  l/h / 5…32,000 GPH
• Full scale value for gases: 0.7…2800 m³/h / 25…100,000 SCFH
• Turndown ratio 10:1 (optional 100:1)
• Maximum measuring error: ±1.6% (acc. to VDI/VDE 3513-2) or ±1.5% of full scale
• Suitable for use in Safety Instrumented Systems with SIL 2, in redundant design (1oo2) also in SIL 3 applications (type A device)
• Optional hygienic design for use in the food and pharmaceutical industry