KROHNE – H250 M40 VARIABLE AREA FLOWMETER FOR LIQUIDS AND GASES

Variable area flowmeter for liquids and gases

• Modular design: from mechanical indicator to 4…20 mA/HART®7, FF, Profibus-PA and totalizer
• Any installation position: vertical, horizontal or in descending pipes
• Flange: DN15…150 / ½…6″; also NPT, G, hygienic connections, etc.
• -196…+400°C / -320…+752°F; max. 1000 barg / 14500 psig

Features & Options

• 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
• SIL 2-certified flowmeters with 4…20mA (type B) und limit switches (type A)
• Optional hygienic design for use in the food and pharmaceutical industry