RFQ

KROHNE H250-C Variable Area Flow Meter

  • NG # 02965-HW-KROHNE-020

Rugged, all-metal design with PTFE/ceramic liner for aggressive media .

Manufactured By :
KROHNE
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Overview

The product features an impressive maximum process temperature, capable of withstanding up to 158°F when using PTFE and 482°F with ceramic materials. This versatility makes it suitable for various industrial applications where temperature resistance is critical. The flow rates for liquids range from a lower limit of 0.66 gallons per hour (gph) to an upper limit of 15,850 gph, providing flexibility for different operational needs. For gases, the flow rates span from 0.011 standard cubic feet per minute (scfm) to a robust 217 scfm, accommodating a wide range of applications and ensuring efficient measurement across various mediums.

With a measuring range of 10:1 and an accuracy of ±2.5%, this product delivers reliable performance even in demanding conditions. It operates under high pressure, with capabilities reaching up to 44,100 psi, making it ideal for environments where extreme pressure is a factor. The design is engineered to resist extreme chemical, mechanical, and thermal loads, ensuring longevity and durability in challenging conditions. Moreover, all components are replaceable, allowing for easy maintenance and reducing downtime. The high application security provided by this product is particularly notable, as it maintains excellent performance even with extremely small flow rates, while its long-term stability ensures consistent operation over time, making it an invaluable addition to any industrial setup.

Specification

The KROHNE H250-C variable area flow meter is an all-metal instrument designed for use with aggressive media. With all components coming in contact with the medium available in either PTFE or ceramic, the H250-C can be used with virtually all acids and alkalis. By including a wide range of display, communication and other options, the H250-C is a reliable and versatile instrument ideal for measuring the flow of liquids and gases in nearly any application or environmental condition.

KROHNE H250-C variable area flow meters are available in sizes from 1/2" to 4" with corresponding flow rates ranging from as low as 0.66 gph (0.011 scfm for gases) to as high 15,850 gph (217 scfm). The basic accuracy for flow readings is ±2.5%. Due to its sturdy, all-metal construction, the H250-C ensures high resistance to pressure, temperature and media. The modular design of the meter and indicator allows users to adapt the H250-C to customer-specific applications including those in hazardous areas.

The KROHNE H250-C variable area flowmeter operates of the float principle. Depending on the flow rate, the float will assume a certain vertical position in the tube. The float position is transmitted by a magnetic coupling system to the scale. This simple, time-tested design will ease installation time and lower maintenance demands.

The KROHNE H250-C variable area flow meter is available with the following indicator options:

KROHNE M9 Indicator

  • Simple, low-cost installation: Measure and display without auxiliary power supply
  • Large scale for good readability
  • 2 limit switches (NAMUR or 3-wire transistor)
  • 2-wire analog output 4 to 20mA with HART - Profibus PA interface
  • 6-digit flow counter with pulse output (non Ex)
  • Optional stainless steel housing for corrosive atmospheres
  • ATEX, FM, CSA approvals for use in hazardous areas; SIL 2 certified

KROHNE M10 Indicator

  • Digital indicator with I/O
  • 2 limit switches (NAMUR or 3-wire transistor
  • 2-wire analog output 4 to 20mA with HART
  • 12-digit flow counter with pulse output and reset input
  • Pressure resistant, enclosed housing
  • ATEX, FM, CSA approvals for use in hazardous areas

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