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Summary of Contents for Kobold DRG Series
- Page 1 Operating Instruction Rotating Vane Flow Meter Model: DRG-...
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Page 2: Table Of Contents
Maintenance ....................11 Dimensions ....................11 EU Declaration of Conformance ..............14 Manufactured and sold by: Kobold Messring GmbH Nordring 22-24 D-65719 Hofheim Tel.: +49(0)6192-2990 Fax: +49(0)6192-23398 E-Mail: info.de@kobold.com Internet: www.kobold.com Page 2 DRG K02/0316... -
Page 3: Note
4. Operating Principle KOBOLD rotating vane flow meters series DRG are used for measuring and monitoring low viscosity liquids. Series DRG flow meters are working according the well known rotating vane principle. A magnet fitted in the vane and hermetically sealed from the medium transfers the rotary motion of the vane to a Hall-effect sensor mounted in the housing. -
Page 4: Instrument Inspection
5. Instrument Inspection These devices are checked before dispatch and sent away in perfect condition. Should the damage to a device be visible, we recommend a thorough inspection of the delivery packing. In case of damage, please inform your parcel service/ forwarding agent immediately, since they are responsible for damages during transit. -
Page 5: Electrical Connection
7. Electrical Connection 7.1. General Attention! Please ensure that the voltage levels of your system are in agreement with that of the flow meter. Make sure that the electric supply lines are de-energized. Connect the power supply and output signal on the plug-pins as shown below. ... - Page 6 7.3. Evaluation electronics: Analogue output (..L303, ..L342, ..L343, ..L442) 3-wire (..L303, ..L343) n.c. Signal 2-wire (..L342) n.c. n.c. 2-wire, DIN-plug (..L442) n.c. Page 6 DRG K02/0316...
- Page 7 7.4. Compact electronics: (..C30R, ..C30M, ..C34P, ..C34N) Please see Instruction Manual-Supplement for Compact Electronics 7.5. Evaluation electronics: Pointer display (..Z300, ..Z340) n.c. Power Plug M12 Signal Attention! If the current output is not needed, PIN 4 (Signal Out) must be connected permanently with Ground (GND) (Short Circuit Link). DRG K02/0316 Page 7...
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Page 8: Commissioning - Evaluation Electronics
8. Commissioning – Evaluation Electronics 8.1. General The measuring units are pre-adjusted and ready for use after electrical connection. 8.2. Adjustment – Evaluation Electronics Please see Instruction Manual-Supplement for Compact Electronics with frequency output 9. Technical Information 9.1. Sensor data Material combinations: see order details Max. - Page 9 9.2. Evaluation electronics Frequency output (...F300) Supply voltage: 12 - 28 V Current intake: 10 mA Pulse output: PNP, open collector, max. 25 mA Electrical connection: Plug M12x1 Frequency output with frequency divider Supply voltage: 24 V ±20% Current intake: 15 mA Pulse output: PNP, Open Collector, max.
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Page 10: Order Details
10. Order Details (example: DRG-1105 G1 F300) Measuring range Model Connection Orifice approx. diameter L/min frequency Evaluating electronics durch- Standard Special water (Hz) [mm] fem. thread fem. thread at f.s. Frequency output 0,5-12 ..G1..=G 1/8 ..N1..=1/8 NPT DRG-1X05..F300= Frequency output, plug connector M12x1 ..F320= Frequency divider 1:2, plug connector M12x1 0,5-25 ..G2..=G ¼... -
Page 11: Maintenance
11. Maintenance If the medium to be measured is not contaminated, the measuring unit is maintenance-free. In order to avoid problems, we recommend installation of a filter, such as magnet filter, model MFR. Should cleaning of sensor be deemed necessary, the sensor may be opened and inner parts may be accessed. - Page 12 Model: DRG-..L442 (analogue output and option plug-on display) G/NPT 80 16,5 63,0 72,5 24 80 16,5 63,0 72,5 24 80 16,5 63,0 72,5 24 100 25,0 69,5 90,0 38 100 25,0 69,5 90,0 38 OBOLD Model: DRG-..C.. (with Compact Electronics) 1/8 80 16,5 63,0 72,5 24 1/4 80 16,5 63,0 72,5 24 1/2 80 16,5 63,0 72,5 24...
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Page 13: Drg K02/0316
Model: DRG-..Z.. (with pointer display) M12x1 133,5 G /N P T 80 16,5 63,0 72,5 80 16,5 63,0 72,5 80 16,5 63,0 72,5 100 25,0 69,5 90,0 100 25,0 69,5 90,0 DRG K02/0316 Page 13... -
Page 14: Eu Declaration Of Conformance
13. EU Declaration of Conformance We, KOBOLD-Messring GmbH, Hofheim-Ts, Germany, declare under our sole responsibility that the product: Rotating Vane Flow Meter Model: DRG -... to which this declaration relates is in conformity with the standards noted below: EN 61000-6-4:2011...
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