Flowmeter Model 502500 Contact us
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Article No.: A0916
Articlename: Flowmeter model 502500

Flowmeter model 502500

The Flowmeter model 502500 is specifically designed for monitoring of the flow rate in chromatography systems. It periodically displays the current flow rate on a large LC display and simultaneously records the measured value in a RS-232 controller. This enables PC supported data processing. It operates with a one point calibration.

Key Features

Technical Data


Type Flowmeter


Flow rate range 0.05–25 ml/min, true volumetric measurement, independent of density and viscosity (up to a maximum viscosity of ∼10 cP)
Flow rate accuracy better than 1.0 % of reading over range 0.05–25.0 ml/min
Flow rate precision better than 0.5 % standard deviation over range 0.05–25.0 ml/min
Calibration gravimetric calibration at a single flow rate (1 ml/min)
Wetted materials stainless steel, PEEK, Teflon®, or Pyrex


Outputs RS–232 to 6 digits supplied standard
Control RS-232

Technical parameters

Display LCD Display (12.7 mm), 4 digits + 3 status symbols


Power supply 230 V, 2-pin EURO plug
Dimensions 138 x 73 x 45 mm (W x H x D)
Weight 0.32 kg

Certified Quality 

KNAUER is known for the quality of its products and has been certified several times. We produce high-tech laboratory instruments for research, routine analysis and production for 59 years.
See all Quality certificates

In addition, we have extended documentation about all our products, including CE Declarations of Conformity.
See all CE Declarations of conformity

Innovation and quality - since 1962. Made in Germany.

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