KOBOLD Instruments Inc • 1801 Parkway View Drive • 15205 Pittsburgh, PA • Tel: +1 412 788 2830 • E-mail: Please activate JavaScript visit koboldusa.com

df-durchfluss.png: Rotating Vane Flow Meter DF

Rotating Vane Flow Meter DF

For liquids

Measuring / switching range:
0.08 - 0.5 l/min ... 40 - 160 l/min water
Connection: G ... G 1½, flange DN15 ... DN50,
Material:
brass, stainless steel, trogamide, polysulfone, PVDF
pmax: 6 / 10 / 16 / 100 bar
tmax: 80°C
Accuracy: ±2.5 % of full scale
Options: Pulse output, relays, analogue output, counter, batcher, digital display

DF-H Frequency Output
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DF-H Frequency Output

DF-MA Analogue output
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DF-MA Analogue output

DF-WM Vane Flow Meter / Switch
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DF-WM Vane Flow Meter / Switch

DF-K Digital indicator
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DF-K Digital indicator

DF-Z Counter
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DF-Z Counter

DF-D Dosing Electronic
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DF-D Dosing Electronic

Datasheet

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df-gb-flow

785 KB

Operating Instructions

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DF - Operating Instructions

278 KB
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DF-MA - Operating Instructions

211 KB
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DF-WM - Operating Instructions

215 KB

Description

The established vane technology has proven itself a million times worldwide for measuring and monitoring the flow of different mediums in pipelines. Flowmeters/monitors work with this  proven principle and offer many benefits. The heart of the new vane is an embedded ring magnet; it is hermetically sealed from the flow medium. It transfers, in a non-contacting manner, the  rotary motion of the vane to a Hall sensor attached to the case (in order to save space).

This converts the rotary motion to a frequency signal that is proportional to the flow rate. The downstream evaluating electronics can output this signal to a display, convert it to (0(4)-20 mA, 0-10 V) analogue signal, or count it. It may also be used to switch with up to two limit contacts. The ready and control states of the limit value relay are indicated by LEDs. The modular design of flow monitors and measuring instruments is a system that can be universally applied; it is reasonably priced; and requires minimum space when in service.

Very precise measurement results can be achieved, under tough operating conditions along with the electronics. The system is assembled with the electronics and delivered ready for service. The electronics are adjusted and tuned for use with the sensor. When retrofitted for other measuring ranges, the system  may be re-adjusted with a similar device at any time.

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