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
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
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 ap-
plications. These instructions are attached as documents to
each instrument with Ex approval and are part of the operat-
ing instructions.
Editing status: 2024-01-25
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Summary of Contents for UWT NivoRadar NR 7100 Series

  • Page 1 Continuous level measurement ® NivoRadar 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

    ® Continuous level measurement NivoRadar 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 maintenance, fault rectification, safety and the exchange of parts.

  • Page 3: Authorised Personnel

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual For your safety Authorised personnel All operations described in this documentation must be car- ried out only by trained and authorized personnel. During work on and with the device, the required personal protective equipment must always be worn.

  • Page 4: For Your Safety

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual For your safety the measuring frequency can be found in chapter "Technical data". Mode of operation - Radar signal Country or region specific settings for the radar signals are determined via the mode.

  • Page 5: Product Description

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Product description Configuration The scope of delivery encompasses: Scope of delivery • Radar sensor • Information sheet "Documents and software" with: – Instrument serial number – QR code with link for direct scanning •...

  • Page 6: Principle Of Operation

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Product description UWT GmbH D-87488 Betzigau NivoRadar Article No.: Serial No.: Technical Data Assembled in Germany Fig. 2: Layout of the type label (example) Instrument type 2 Field for approvals...
  • Page 7 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Product description Fig. 3: Wireless connection to standard operating devices with inte- grated Bluetooth LE Sensor 2 Smartphone/Tablet Packaging, transport and storage Your instrument was protected by packaging during transport. Packaging Its capacity to handle normal loads during transport is as- sured by a test based on ISO 4180.
  • Page 8 ® Continuous level measurement NivoRadar 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 sup- ply.

  • Page 9: Technical Data

    ® Continuous level measurement NivoRadar 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) blocking distance Ʋ...
  • Page 10 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Technical data 20 mA 4 mA ≤ 3,6 mA Fig. 5: Run-up time and measured value output Run-up time Measured value output Power consumption Operating voltage Sensor current 12 V DC 18 V DC 24 V DC...
  • Page 11 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Technical data Ʋ Relative humidity 45 … 75 % Ʋ Air pressure 860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig) Installation reference conditions Ʋ Distance to installations > 200 mm (7.874 in) Ʋ Reflector Flat plate reflector Ʋ False reflections Biggest false signal, 20 dB smaller than the useful signal Deviation with liquids...
  • Page 12 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Technical data Deviation in the current output due < 15 µA to digital/analogue conversion Additional measurement deviation through electromagnetic interference Ʋ According to NAMUR NE 21 < 80 µA Ʋ According to EN 61326-1 None Ʋ...
  • Page 13 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Technical data Process conditions For the process conditions, please also note the specifications on the type label. The lowest value (amount) always applies. Process temperature -40 … +60 °C (-40 … +140 °F) Process pressure -1 … 3 bar (-100 … 200 kPa/-14.5 … 43.51 psig) Electromechanical data...
  • Page 14 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Technical data Overvoltage protection Dielectric strength against metallic > 10 kV mounting parts Overvoltage resistance (test impulse > 1000 V voltages 1.2/50 µs at 42 Ω) Additional overvoltage arrester Due to the floating structure of the electronics and comprehensive insulation measures generally not necessary.
  • Page 15 ® Continuous level measurement NivoRadar 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: General Instructions

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Mounting General instructions The instrument is suitable for standard and extended am- Ambient conditions bient conditions acc. to DIN/EN/BS 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...
  • Page 17 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Mounting The polarization direction is marked on the housing, see fol- lowing drawing: 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.
  • Page 18 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Mounting Fig. 10: Mounting of the radar sensor on vessels with conical bottom The centre of the antenna lens is the beginning of the meas- Reference plane uring range and at the same time the reference plane for the min./max.
  • Page 19 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Mounting With threaded connection, the antenna end should protrude Threaded socket und at least 5 mm (0.2 in) out of the nozzle. socket piece 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 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Mounting In case of existing vessel installations, a false signal suppres- sion should be carried out during setup. If large vessel installations such as struts or supports cause false echoes, these can be attenuated through supplemen- tary measures.
  • Page 21 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Mounting r... Fig. 17: Mounting position and orientation Orientation Due to respective socket design or with an alignment device, the device can be easily aligned to the vessel centre. The necessary angle of inclination depends on the vessel dimen- sions.
  • Page 22 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Mounting Fig. 18: Proposal for installation after orientation NivoRadar 7100 The following table shows the necessary angle of inclination. It depends on the measuring distance and the distance "a" between vessel centre and installation position.
  • Page 23 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Mounting Fig. 19: Agitators Through the action of filling, stirring and other processes in Foam generation the vessel, compact foams which considerably damp the emitted signals may form on the medium surface. Note: If foams lead to measurement errors, you should use the biggest possible radar antennas or as an alternative, sensors...

  • Page 24: Preparing The Connection

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Connecting to power supply Preparing the connection Always keep in mind the following safety instructions: Safety instructions • Carry out electrical connection by trained, qualified per- sonnel authorised by the plant operator Warning: Only connect or disconnect in de-energized state.
  • Page 25 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Connecting to power supply We recommend to connect the cable screening to ground Cable screening and potential at one end on the supply side when using shielded grounding cable.
  • Page 26 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Connecting to power supply Fig. 20: 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 27: Switch-On Phase

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Connecting to power supply Wiring plan Electronics and connec- tion compartment (+)1 2(-) Fig. 21: 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 28: Access Protection

    ® Continuous level measurement NivoRadar 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 device settings via this interface.
  • Page 29 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Access protection plied information sheet "Access protection". If this document is lost, the emergency device code can be retrieved from your personal contact person after legitimation. The storage and transmission of the device codes is always encrypted (SHA 256 algorithm).
  • Page 30 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Setup with smartphone/tablet (Bluetooth) Preparations Make sure that your smartphone/tablet meets the following System requirements 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 "Apple App Store", "Google Play Store"...

  • Page 31: Setup With Smartphone/Tablet (Bluetooth)

    ® Continuous level measurement NivoRadar 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 adjustment tool. The message disappears when the con- nection is restored.

  • Page 32: Adjustment Menu

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Adjustment menu Menu overview Start image Device information Actual measured values Device status Device name, software Percent, filling height, distance, measurement reli- OK, error indication version, serial number ability, electronics temperature, meas.
  • Page 33 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Adjustment menu Menu item Selection Basic settings Scaling Scaling size Volume Scaling unit Scaling format 100 % correspond to 100 l 0 % correspond to 0 l Display Menu language Displayed value Distance Backlight Access protection...

  • Page 34: Description Of The Applications

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Adjustment menu Menu item Selection Basic settings Measured values Measured values Additional measured values Outputs Sensor information Device name, serial number, hardware/software version, device revision, factory calibration date Sensor characteristics Sensor features from order text Simulation...
  • Page 35 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Adjustment menu Dosing vessel • Vessel: – Small vessels • Process/measurement conditions: – Frequent and fast filling/emptying – Tight installation situation – Multiple reflections through dished vessel ceiling –...
  • Page 36 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Adjustment menu Transportable plastic tank (IBC) • Process/measurement conditions: – Material and thickness different – Measurement through the vessel top, if appropriate to the application – Changed reflection conditions as well as jumps in measured values when changing vessels •...
  • Page 37 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Adjustment menu – Diffuse reflections due to structured vessel walls or internals – Multiple echoes/diffuse reflections due to unfavourable pouring positions with fine grain – Changing signal conditions when large amounts of material slip off •...

  • Page 38: Maintenance

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Maintenance If the device is used properly, no special maintenance is re- Maintenance quired in normal operation. In some applications, buildup on the antenna system can Precaution measures influence the measuring result.

  • Page 39: Diagnostics And Servicing

    ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Diagnosis, fault messages Connect a multimeter in the suitable measuring range ac- 4 … 20 mA signal cording to the wiring plan. The following table describes pos- sible errors in the current signal and helps to eliminate them: Error Cause Rectification...
  • Page 40 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Malfunction (Failure): Due to a malfunction in the instrument, a fault signal is out- put. This status message is always active. It cannot be deacti- vated by the user.
  • Page 41 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Code Cause Rectification Text message F105 The instrument is still in the switch- Wait for the end of the switch-on on phase, the measured value could phase Determine measured not yet be determined...
  • Page 42 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Maintenance Code Cause Rectification Text message M500 The data could not be restored dur- Repeat reset ing the reset to delivery status Error in the delivery Load XML file with sensor data into status the sensor...
  • Page 43 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Note: If the output level is constant, the cause could also be the fault setting of the current output to "Hold value". If the level is too low, the reason could be a line resistance that is too high Liquids: Measurement error at constant level Fault description...
  • Page 44 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Fault description Cause Rectification Measured value jumps to- The level echo cannot be distin- In case of interferences due to in- wards 0 % during filling guished from the false signal at a stallations in the close range: false signal position (jumps to mul-...
  • Page 45 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Fault description Cause Rectification Measured value jumps Varying condensation or contami- Carry out false signal suppression sporadically towards nation on the antenna or increase false signal suppression 100 % during emptying in the close range by editing With bulk solids, use radar sensor...
  • Page 46 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Diagnostics and servicing Fault description Cause Rectification Measured value fluctuates Various echoes from an uneven Check parameter "Material Type" around 10 … 20 % medium surface, e.g. a materi- and adapt, if necessary al cone Optimize installation position and sensor orientation...
  • Page 47 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual Diagnostics and servicing How to proceed if a repair is necessary If a repair should be necessary, please contact your contact person. page 47...

  • Page 48: Dismounting Steps

    ® Continuous level measurement NivoRadar 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 vessels or pipelines.
  • Page 49 ® Continuous level measurement NivoRadar 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, copy- right notes and disclaimers can be found on our homepage.
  • Page 50 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual page 50...
  • Page 51 ® Continuous level measurement NivoRadar Series NR 7100 Technical information / Instruction manual page 51...
  • Page 52 Subject to change without prior notice Technical support Please contact your local sales partner (address at www.uwtgroup.com). Otherwise please contact us: UWT GmbH Phone + 49 (0) 831 57 123 0 Westendstraße 5 87488 Betzigau info@uwtgroup.com Germany www.uwtgroup.com...

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