CDI Meters Instrumentation

CDI Meters Instrumentation
CDI 25 Point-of-Use Flow Meters
The CDI 25 represents a price-performance breakthrough in compressed-air metering. It fills a need for low-cost measurement of air usage by individual pieces of industrial equipment. It indicates leakage and excessive usage locally with blinking lights, thereby eliminating the need for central monitoring and enabling equipment operators and maintenance mechanics to observe and respond to developing problems.

The CDI 25 is based on CDI’s proven technology, but it has been streamlined to reduce cost, reduce material usage and facilitate installation. The meter measures flow by maintaining one of its two probes warmer than the other; it calculates flow from the amount of heat required. Current flow, as well as minimum, average and totalized flows can be seen on a four-digit display.

Features:
  • Low cost permits monitoring of loads throughout an industrial plant
  • Alarm functions indicate when leakage has developed or usage has become excessive
  • Totalizing function allocates usage and cost
  • Complete flowmeter in one package
CDI Meters CDI25 Data Sheet PDF
Material TypeMetric Aluminum, Sch. 40 Steel, Type L Copper
Nominal Pipe Sizes1/2 in. – 1 in., 15 mm – 25 mm, DN15 – DN25
Accuracy5 percent of reading plus 1 percent of range for flows from 10 percent to 100 percent of indicated range at air temperatures between 20 and 120 degrees Fahrenheit
FluidsCompressed Air, Nitrogen
Operating Pressure200 psig maximum on Sch. 40 steel and on Type L Copper; consult CDI for other materials and higher pressures.
Input Power250 mA at 24 Vdc
Output Resistance600 Ohms max.
Exposed MaterialsStainless steel, aluminum, gold, thermal epoxy and Viton (seal)
DisplayFour digit LED display
Response TimeOne second to 63 percent of change in value at flows above 30 percent of range.
International Fluid Power SocietyThe International Fluid Power Society will globally pursue and promote the application of Fluid Power technology through certification, standardization and education essential to professional growth.
Equipment Service AssociationESA membership consists of businesses who are substantially engaged in sales or service of hydraulically, pneumatically, or electrically operated tools, components and equipment.
Fluid Power Distributors AssociationFPDA is the professional network for fluid power, automation and motion technology providers dedicated to significantly enhancing member and channel performance by delivering indispensable networking, education and success strategies.
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