Kobold DF-Z Counter Vane Flowmeter

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Kobold DFZ Counter Vane Flowmeter
Counter DF-Z

The evaluation unit changes the frequency signal of the pickup into a 3(4)-digit flow reading with selectable measurement unit (top display line), and into a scalable analogue signal. The flow quantity is added up in a part quantity meter and a total quantity meter and then displayed in the bottom line of the screen. The quantity meter’s units of measurement are selectable.

The two relays with floating output changeover contacts continuously monitor if the freely adjustable limits are exceeded or fallen short of. Here, it is possible to choose between threshold value and window monitoring.

Switching point, hysteresis, a window point, and switch on or  off  delay  can be set separately for each relay. The switching points can  also  be  set directly by using the control keys.

Without having to change over into the menu. Alternatively, it is also possible to monitor the quantity meter to see if it  is exceeded. A red LED indicates with the switching status.

The analogue output is optionally available as current output with 0(4)… 20 mA or as voltage output with 0…10 V. The parameter names can be shown in the menu in German or English. If used where the flow readings change rapidly, the display can be pacified and the analogue reading averaged by switching on some software.

A Min./Max. reading memory determines the extreme readings of the flow. The display of the readings and the resetting are achieved by using the keys without having to change into the menu. Resetting by using the keys can also be blocked. If the maximum set flow (exceeded range) is exceeded, it will be shown on the display. The set parameters can be protected against unauthorised alteration by using a password function.

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Measuring / switching range:
0.08 – 0.5 l/min … 40 – 160 l/min water
Connection: G ⅛ … G 1½, flange DN15 … DN50
brass, stainless steel, trogamide, polysulfone, PVDF
pmax: 6 / 10 / 16 / 100 bar
tmax: 80°C
Accuracy: ±2.5 % of full scale
Relays, analogue output, counter, digital display

Evaluating electronics

  • Measuring and metering
  • LED display
  • Output 0(4)-20 mA 0-10 VDC
  • 2 adding meters
  • 2 relays freely programmable

Range of Functions

Quantity meter and flowmeter with digital display, switch and analogue output:

  • Measurement and display total, part and flow quantities
  • Control input for part quantity reset
  • 2 switching outputs, freely programmable as flow monitor or for monitoring the part and total quantity
  • Analogue output 0(4)-20 mA or 0-10 V Min./Max. memory


Read More:https://inaparts.com/flow-measurement/kobold-df-z-counter-vane-flowmeter/

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