UWT NivoRadar NR 7100 Series Technical Information/Instruction Manual
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UWT NivoRadar NR 7100 Series Technical Information/Instruction Manual

Continuous level measurement
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NivoRadar
Contents
Dismount
Supplement
®
Continuous level measurement
Series NR 7100
Technical information / Instruction manual
Safety instructions for Ex areas:
Take note of the Ex specific safety instructions for Ex applications.
These instructions are attached as documents to each instrument
with Ex approval and are part of the operating instructions.
Editing status: 2022-07-21
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Summary of Contents for UWT NivoRadar NR 7100 Series

  • Page 1: Table Of Contents

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Contents page About this document For your safety Product description Technical data Mounting Connecting to power supply Access protection Setup with smartphone/tablet (Bluetooth) Adjustment menu Diagnostics and servicing Dismount Supplement Safety instructions for Ex areas:...

  • Page 2: About This Document

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual About this document Function This instruction provides all the information you need for mounting, connection and setup as well as important instructions for mainte- nance, fault rectification, the exchange of parts and the safety of the user.

  • Page 3: For Your Safety

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual For your safety Authorised personnel All operations described in this documentation must be carried out only by trained, qualified personnel authorised by the plant operator. During work on and with the device, the required personal protec- tive equipment must always be worn.
  • Page 4 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual For your safety Mode of operation - Radar signal Country specific settings for the radar signals are determined via the mode. The operating mode must be set in the operating menu via the respective operating tool at the beginning of the setup.

  • Page 5: Product Description

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Product description Configuration Scope of delivery The scope of delivery encompasses: • Radar sensor • Information sheet " Documents and software" with: – Instrument serial number – QR code with link for direct scanning •...
  • Page 6 2 Process fitting Process seal Electronics housing Ventilation/pressure compensation Type label The type label contains the most important data for identification and use of the instrument. UWT GmbH D-87488 Betzigau NivoRadar Article No.: Serial No.: Technical Data Assembled in Germany Fig. 2: Layout of the type label (example)
  • Page 7 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Product description Functional principle The instrument emits a continuous, frequency-modulated radar signal through its antenna. The emitted signal is reflected by the medium and received by the antenna as an echo with modified frequency.
  • Page 8 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Product description • Protected against solar radiation • Avoiding mechanical shock and vibration • Storage and transport Storage and transport temperature see chapter " Supplement - temperature Technical data - Ambient conditions"...

  • Page 9: Technical Data

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Technical data Technical data Note for approved instruments The technical data in the respective safety instructions which are included in delivery are valid for approved instruments (e.g. with Ex approval). These data can differ from the data listed herein, for example regarding the process conditions or the voltage supply.
  • Page 10 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Technical data Fig. 4: Data of the input variable Reference plane Measured variable, max. measuring range Max. measuring range 8 m (26.25 ft) Recommended measuring range up to 5 m (16.4 ft) Min.
  • Page 11 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Technical data Power consumption Operating voltage Sensor current 12 V DC 18 V DC 24 V DC ≤ 3.6 mA < 45 mW < 65 mW < 90 mW 4 mA < 50 mW < 75 mW < 100 mW 20 mA < 245 mW < 370 mW < 485 mW Output variable Output signal 4 … 20 mA Range of the output signal 3.8 … 20.5 mA (default setting)
  • Page 12 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Technical data 10 mm (0.3937 in) 5 mm (0.1969 in) - 5 mm (- 0.1969 in) 0,25 m (0.8202 ft) - 10 mm (- 0.3937 in) Fig. 6: Deviation under reference conditions Antenna edge, reference plane Recommended measuring range Variables influencing measurement accuracy...
  • Page 13 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Technical data Ʋ Max. spectral transmission power +34 dBm/50 MHz EIRP density Ʋ Max. power density at a distance of < 3 µW/cm² 1 m Ambient conditions Ambient temperature -40 … +60 °C (-40 … +140 °F) Storage and transport temperature -40 … +80 °C (-40 … +176 °F) Mechanical environmental conditions Vibrations (oscillations)
  • Page 14 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Technical data Voltage supply Operating voltage U Ʋ at 4 mA 12 … 35 V DC Ʋ at 20 mA 9 … 35 V DC Reverse voltage protection Integrated Permissible residual ripple Ʋ for 12 V < U  < 18 V ≤ 0.7 V (16 … 400 Hz) Ʋ...
  • Page 15 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Technical data Dimensions ø 80 mm (3.15") ø 71 mm (3.05") 4,5 mm (0.18") SW 50 G1½ 1½ NPT R 1½ ø 58 mm (2.28") Fig. 7: Dimensions NivoRadar 7100 Thread G1½...

  • Page 16: Mounting

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Mounting General instructions Ambient conditions The instrument is suitable for standard and extended ambient conditions acc. to DIN/EN/IEC/ANSI/ISA/UL/CSA 61010-1. It can be used indoors as well as outdoors. Note: Process conditions For safety reasons, the instrument must only be operated within...
  • Page 17 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Mounting Fig. 8: Position of the polarisation Marking of the polarisation Note: When the housing is rotated, the direction of polarization changes and hence the influence of the false echo on the measured value. Please keep this in mind when mounting or making changes later.
  • Page 18 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Mounting Fig. 10: Mounting of the radar sensor on vessels with conical bottom Reference plane The centre of the antenna lens is the beginning of the measuring range and at the same time the reference plane for the min./max.
  • Page 19 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Mounting Threaded socket und With threaded connection, the antenna end should protrude at least socket piece 5 mm (0.2 in) out of the nozzle. Fig. 13: Thread mounting If the reflective properties of the medium are good, you can mount NivoRadar 7100 on sockets longer than the antenna.
  • Page 20 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Mounting Small, inclined sheet metal baffles above the installations " scatter" the radar signals and prevent direct interfering reflections. Fig. 15: Cover flat, large-area profiles with deflectors Orientation In liquids, direct the device as perpendicular as possible to the medium surface to achieve optimum measurement results.
  • Page 21 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Mounting Note: If foams lead to measurement errors, you should use the biggest possible radar antennas or as an alternative, sensors with guided radar. page 21...

  • Page 22: Connecting To Power Supply

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Connecting to power supply Preparing the connection Safety instructions Always keep in mind the following safety instructions: • Carry out electrical connection by trained, qualified personnel authorised by the plant operator Warning: Only connect or disconnect in de-energized state.
  • Page 23 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Connecting to power supply Cable gland Metric threads In the case of instrument housings with metric thread, the cable gland is screwed in at the factory. It is sealed with plastic plugs as transport protection.
  • Page 24 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Connecting to power supply Fig. 18: Connection steps 5 and 6 6. Insert the wire ends into the terminals according to the bottom wiring plan Note: Fixed conductors and flexible conductors with ferrules can be inserted directly into the terminal openings.
  • Page 25 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Connecting to power supply Wiring plan Electronics and connec- tion compartment (+)1 2(-) Fig. 19: Connection compartment NivoRadar 7100 Voltage supply, signal output Switch-on phase After connection to the power supply, the device carries out a self- test: •...

  • Page 26: Access Protection

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Access protection Bluetooth radio interface Devices with a Bluetooth radio interface are protected against unwanted access from outside. This means that only authorized persons can receive measured and status values and change de- vice settings via this interface.

  • Page 27: Setup With Smartphone/Tablet (Bluetooth)

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Setup with smartphone/tablet (Bluetooth) Preparations System requirements Make sure that your smartphone/tablet meets the following system requirements: • Operating system: iOS 8 or newer • Operating system: Android 5.1 or newer • Bluetooth 4.0 LE or newer Download the adjustment app from the "...
  • Page 28 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Setup with smartphone/tablet (Bluetooth) If the Bluetooth connection is interrupted, e.g. due to a too large distance between the two devices, this is displayed on the ad- justment tool. The message disappears when the connection is restored.

  • Page 29: Adjustment Menu

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Adjustment menu Menu overview Start image Device information Actual measured values Device status Device name, software ver- Percent, filling height, distance, measurement reliability, OK, error indication sion, serial number electronics temperature, meas.
  • Page 30 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Adjustment menu Menu item Selection Basic settings Display Menu language Displayed value Distance Backlight Access protection Bluetooth access code Protection of the parameterization Deactivated False signal suppression Create new, extend, delete, manual entry Sounded distance to the medium 0 m...
  • Page 31 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Adjustment menu Menu item Selection Basic settings Simulation Measured value Simulation value Description of the applications Application This menu item enables you to optimally adapt the sensor to the application, the place of use and the measuring conditions.
  • Page 32 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Adjustment menu Pumping station/Pump shaft • Process/measurement conditions: – Partly strongly agitated surface – Installations such as pumps and ladders – Multiple reflections through flat vessel ceiling –...
  • Page 33 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Adjustment menu – When measuring through the tank ceiling, false signal sup- pression via the operating tool – When measuring through the tank top in outdoor areas pro- tective roof for the measuring point Gauge measurement in waters •...
  • Page 34 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Adjustment menu – Measured value jumps, e.g. through heap profile and trav- erses – Large angles of repose, varying pouring positions – Measurement near the filling stream –...

  • Page 35: Diagnostics And Servicing

    NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Maintenance Maintenance If the device is used properly, no special maintenance is required in normal operation. Precaution measures In some applications, buildup on the antenna system can influence against buildup the measuring result.
  • Page 36 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Error Cause Rectification 4 … 20 mA signal not stable Fluctuating measured value Set damping 4 … 20 mA signal missing Electrical connection faulty Check connection, correct, if neces- sary Voltage supply missing Check cables for breaks;...
  • Page 37 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Out of specification: The measured value is unreliable because an instrument specifica- tion was exceeded (e.g. electronics temperature). This status message is inactive by default. Maintenance required: Due to external influences, the instrument function is limited.
  • Page 38 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Function check Code Cause Rectification Text message C700 A simulation is active Finish simulation Simulation active Wait for the automatic end after 60 mins. Out of specification Code Cause Rectification...
  • Page 39 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Treatment of measurement errors The tables below give typical examples of application-related meas- urement errors. The images in column " Error description" show the actual level as a dashed line and the output level as a solid line.
  • Page 40 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Liquids: Measurement error during filling Fault description Cause Rectification Measured value remains un- False signals in the close range too big Eliminate false signals in the close changed during filling or level echo too small range Strong foam or vortex generation...
  • Page 41 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Liquids: Measurement error during emptying Fault description Cause Rectification Measured value remains un- False signal larger than the level echo Check measuring point: Antenna changed in the close range should protrude out of the threaded Level echo too small...
  • Page 42 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Bulk solids: Measurement error during filling Fault description Cause Rectification Measured value jumps to- The level echo cannot be distinguished Remove/reduce false signal: minimize wards 0 % during filling from the false signal at a false signal interfering installations by changing the position (jumps to multiple echo) polarization direction...
  • Page 43 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Fault description Cause Rectification Measured value fluctuates Various echoes from an uneven medi- Check parameter "Material Type" and around 10 … 20 % um surface, e.g. an extraction funnel adapt, if necessary Reflections from the medium surface Optimize installation position and sen-...
  • Page 44 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Dismount Dismounting steps To remove the device, carry out the steps in chapters " Mounting" and " Connecting to power suplly" in reverse. Warning: When dismounting, pay attention to the process conditions in ves- sels or pipelines.
  • Page 45 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual Supplement Licensing information for open source software Open source software components are also used in this device. A documentation of these components with the respective license type, the associated license texts, copyright notes and disclaimers can be found on our homepage.
  • Page 46 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual page 46...
  • Page 47 NivoRadar ® Continuous level measurement Series NR 7100 Technical information / Instruction manual page 47...
  • Page 48 Subject to change without prior notice Technical support Please contact your local sales partner (address at www.uwt.de). Otherwise please contact us: UWT GmbH Westendstraße 5 Phone + 49 (0) 831 57 123 42 info@uwtgroup.com...

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