Please read these operating instructions before unpacking and setting the unit into operation. Follow the instructions precisely as described herein. The instruction manuals on our website www.kobold.com are always for currently manufactured version of our products. Due to technical changes, the instruction manuals available online may not always correspond to the product version you have purchased.
4. Regulation Use Any use of the Bypass level Indicator, model: NBK, which exceeds the manufacturer’s specification may invalidate its warranty. Therefore, any resulting damage is not the responsibility of the manufacturer. The user assumes all risk for such usage. The NBK Bypass Level Indicator is used for continuous measurement, indication, and monitoring of liquids in tanks, vessels, reservoirs, basins etc.
Reed switch limit contact NAMUR model NBK-RV200NO/RV200NC 6. Operating Principle Kobold Bypass Level Indicators are used for continuous measurement, display and monitoring of liquid levels. The bypass tube is attached onto the side wall of the vessel. According to the law of communicating tubes the level in the bypass tube equals the level in the vessel.
7. Mechanical Connection Remove bottom flange from bypass tube, and insert the cylindrical float in bypass tube with designation "TOP" at the top. Re- position the gasket and close the bottom flange again; firmly tighten with screws. Mount the bypass tube to the vessel to monitored process connection...
8. Commissioning Because of the setting behaviour of seals, all screw connections must be retightened. Fill vessel and switch on electrical controller, if available. If there are gate valves between bypass process connection and tank, first slowly open the upper valve (pressure relief) and then the lower valve (liquid side).
9. Trouble Shooting Error: The tank is full but there is no indication Check that both flanges (process connection), top and bottom, are open to the vessel, and that the bypass tube fills with liquid. Check that there is a float in the system. ...
11. Technical Information Operating instructions, data sheet, approvals and further information via the QR code on the device or via www.kobold.com 12. Order Codes Operating instructions, data sheet, approvals and further information via the QR code on the device or via www.kobold.com 13.
14. Disposal Note! Avoid environmental damage caused by media-contaminated parts Dispose of the device and packaging in an environmentally friendly manner Comply with applicable national and international disposal regulations and environmental regulations. Batteries Batteries containing pollutants are marked with a sign consisting of a crossed-out garbage can and the chemical symbol (Cd, Hg, Li or Pb) of the heavy metal that is decisive for the classification as containing pollutants: 1.
15. EC Declaration of Conformance We, KOBOLD Messring GmbH, Hofheim-Ts, Germany, declare that the Bypass Level Indicators fulfil the following standards: Pressure Category EC type Model stage as per PED examination test NBK-03 PN 16 PEDB000004D NBK-06 PN 40 PEDB000004D...
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