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Nado NDRA91 Manual

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NDRA91-92
Firmware Version from 1.5
Version 2.0

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Summary of Contents for Nado NDRA91

  • Page 1 Manual NDRA91-92 Firmware Version from 1.5 Version 2.0...
  • Page 2 Dear User, You are advised to carefully read this User Manual before turning on the Laser Distance Sensor NDRA91 / NDRA92 for the first time. This is necessary to ensure that you will be able to use all the capabilities and features provided by your new purchase.
  • Page 3 Revision history Manual Version Date Changes 25.06.2018 Laser divergence 18.10.2016 Laser divergence 26.02.2016 MTBF 01.06.2014 New design...

  • Page 4: Table Of Contents

    NDRA91-92 Manual Content Content General Information .................. 9 Safety advice .................... 11 Basic safety advice ................11 Safety advice for operating the laser ..........12 Advice for operating device ............14 Norms ..................... 16 Disposal ................... 16 Operating conditions ................17 Electrical installation conditions .............
  • Page 5 NDRA91-92 Manual Content Overview of commands ..............58 Transmission protocol RS-232 and RS-422 ........61 Identification ................... 61 Operation Mode ................63 Status....................65 Setup Parameter ................67 Maintenance .................... 80 Maintenance by the user ..............80 Firmware update ................80 Repair ....................
  • Page 6 Figure 1 : Device warning sign ................. 14 Figure 2 : Position of the device warning sign ..........14 Figure 3 : Beam diagram for NDRA91 with 1.7 mrad ........28 Figure 4 : Beam diagram for NDRA91 with 10 mrad ........29 Figure 5 : Beam diagram for NDRA92 ..............
  • Page 7 Table 3 : Device types ..................25 Table 4 : Technical Data NDRA92 ..............26 Table 5 : Beam size for NDRA91 with 1.7 mrad ..........28 Table 6 : Beam size for NDRA91 with 10 mrad ..........29 Table 7 : Beam size for NDRA92 ............... 30 Table 8 : Pin assignments of main connector port ...........
  • Page 8 NDRA91-92 Manual List of tables Used Symbols Sign warns against emitting visible and invisible laser radiation. Sign warns against danger of electrical power and of electric shock. Sign warns against danger. Sign shows information for use in hazardous environments. Sign indicates important information regarding device use of the device.

  • Page 9: General Information

    The compact and rugged design, the easy installation, low current consumption, adjustable switching outputs and the possibility to set user specific parameters are important features of the NDRA91 The features of the device enable a number of applications in industrial environment: ...
  • Page 10 NDRA91-92 Manual General Information The device operates on the basis of time of flight measurement. Short laser pulses are transmitted. The light pulse reflected from the target is detected by the receiver. The distance can be determined by the time shift.

  • Page 11: Safety Advice

    NDRA91-92 Manual Safety advice Safety advice Basic safety advice Please read the safety and operating advice carefully, and observe the advice when operating the device. Danger, laser radiation Do not open the NDRA9x, otherwise Laser radiation can be emitted that can cause eye injuries. Please observe all information and guidelines for operating the Laser.

  • Page 12: Safety Advice For Operating The Laser

    NDRA91-92 Manual Safety advice Protection degree: In accordance with the Protection Degree IP67, the NDRA9x is protected against jet water and dust, and against short submersion into water. When operating the device under extreme outdoor environmental conditions, the use of additional weather protection is recommended (e.g.
  • Page 13 NDRA91-92 Manual Safety advice Safety advice for laser class 2 – Pilot Laser The pilot laser is a class 2 laser device based on the norm IEC 60825-1:2007 (Safety of laser products – Part 1: equipment classification and requirements). The Laser power is limited to maximum 1 mW. The Laser radiation is visible. A short-term exposure (duration up to 0.25 s) is harmless to the eye.

  • Page 14: Advice For Operating Device

    The device must be protected from impact. The device must be protected from extreme temperature The devices of the NDRA91 series can vary with regard to the divergence of the laser diode and the maximum measurement frequency displayed on the laser labels.
  • Page 15 NDRA91-92 Manual Safety advice fluctuations. When extreme temperature fluctuations are occurring use additional protection housing. It is not allowed to operate the device in explosive environments. The device corresponds to the protection degree IP 67, and is protected against jet water and short submersion. Please observe...

  • Page 16: Norms

    NDRA91-92 Manual Safety advice Norms The device conforms to the following norms: IEC 61326-1:2005 Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 1: General requirements (IEC 61326-1:2005); German version EN 61326-1:2006 IEC 60825-1:2007 Safety of Laser products – Part 1: equipment...

  • Page 17: Operating Conditions

    NDRA91-92 Manual Operating conditions Operating conditions Electrical installation conditions Use only a supply voltage of 10 V ... 30 V DC (direct current voltage). For using the heating, direct current voltage of 24 V is recommended. The limit values for the input voltage have to be observed. Do not wire inputs as outputs.

  • Page 18: Appropriate Use

    Measuring distances < 8 m Due to the optical system of the receiver, the device NDRA91 with a divergence of 1.7 mrad receives only scattered light at distances < 8 m. Therefore, measurement in this range is only possible onto targets with good reflective properties.

  • Page 19: Improperly Use - Error Sources

    Measurements onto highly reflective surfaces (mirror)  Rapidly-changing measurement conditions (rapid distance changes) Two or more NDRA91 may not be "frontal view" because the devices  interact. To avoid false readings, the devices must be successively raised. Use the trigger generator TPG1 (accessory) or the trigger function according to item 2 in chapter 5.5 (Interconnection of...

  • Page 20: Device Description

    The range depends on the reflectivity and the surface properties of the measurement target. Serial interfaces The NDRA91 is equipped either with an RS-232 or with an RS-422 interface. The device configuration is carried out during the assembly. The device cannot be changed retroactively.
  • Page 21 NDRA91-92 Manual Device description When certain temperature thresholds are exceeded, the heating is swichted on or off automatically. Values preset in the factory: +4 °C heating is switched on and +10 °C heating is switched off. The values can be specifically configured by the user (refer to...

  • Page 22: Technical Data

    NDRA91-92 Manual Device description Technical Data Table 2 : Technical data Measurement properties Measurement principle Laser pulse - Time of flight measurement Measurement range onto natural surfaces 0.5 m ... 300 m onto target board 300 m ... 3000 m ...
  • Page 23 NDRA91-92 Manual Device description Laser Pilot Laser Laser Class 2 (red visible) Wavelength 635 nm Electrical installation conditions Supply voltage 10 V ... 30 V DC Power consumption < 5 W (without heating) 11.5 W (with heating at 24 V)
  • Page 24 NDRA91-92 Manual Device description Interface / Connections triggering (adjustable near field suppression and window function Environmental and application conditions Operating temperature -40 °C ... +60 °C Storage temperature -40 °C ... +70 °C Air humidity 15 % ... 90 % Dimensions (LxWxH) 136 mm ×...

  • Page 25: Device Types

    NDRA91-92 Manual Device description Device Types The NDRA91 is available in different designs and with different interfaces. The following devices are available: Table 3 : Device types NDRA91A-RS232 NDRA91A-RS422 NDRA91S Type LNDRA91P Serial Interface RS-232 RS-422 RS-232 RS-232 Analog output...

  • Page 26: Technical Data Ndra92

    NDRA91-92 Manual Device description Technical Data NDRA92 The NDRA92 is a special version of the NDRA91. It was designed for badly reflecting surfaces due to an adapted signal processing. Both gauges use the same hardware and software basics. All the information in this manual are valid for both devices as far as there is no other statement.
  • Page 27 NDRA91-92 Manual Device description Electrical installation conditions Supply voltage 10 V ... 30 V DC Power consumption < 5 W (without heating) 11.5 W (with heating at 24 V) Interface / Connections Interfaces 1 x 12-pole (Binder series 723) M18...

  • Page 28: Laser Divergence

    NDRA91-92 Manual Device description Laser divergence The NDRA91 is available in two different versions with respect to the laser divergence. NDRA91 with 1.7 mrad (Standard) Figure 3 : Beam diagram for NDRA91 with 1.7 mrad The divergence of the laser is 1.7 mrad x 0.08 mrad (rectangle). The receiver divergence is 2.9 mrad (circle).

  • Page 29: Figure 4 : Beam Diagram For Ndra91 With 10 Mrad

    NDRA91-92 Manual Device description NDRA91 with 10 mrad (Option) Figure 4 : Beam diagram for NDRA91 with 10 mrad The divergence of the laser is 7 mrad x 4 mrad (rectangle). The receiver divergence is 14.3 mrad (circle). Table 6 : Beam size for NDRA91 with 10 mrad...

  • Page 30: Figure 5 : Beam Diagram For Ndra92

    NDRA91-92 Manual Device description NDRA92 with 3.7 mrad (Standard) Figure 5 : Beam diagram for NDRA92 The divergence of the laser is 3.7 mrad x 3.7 mrad (square). The receiver divergence is 6.3 mrad (circle). Table 7 : Beam size for NDRA92...

  • Page 31: Functional Elements

    On each lateral side and on the underside of the NDRA91 casing there are three support pads with mounting holes (M4) for mechanical attachment of the NDRA91 (see Figure 7).

  • Page 32: Mechanical Integration Requirements

    3. Attachment via adapter plate (replacement of NDRA90C): To replace an NDRA90C with an NDRA91, an adapter plate is required. This plate must be screwed to the bottom side of the NDRA91. Figure 7 : Dimensions and position of the zero point (in mm)

  • Page 33: Connector Pin Assignments

    NDRA91-92 Manual Device description The zero point of NDRA91 corresponds to the external surface of the front cover. Connector pin assignments Depending on the implemented configuration version of the various NDRA91 models, different terminal facilities are available for connections. All models share the same type of main connector port.

  • Page 34: Figure 9 : Connection Diagram Ndra91S Ssi

    NDRA91-92 Manual Device description Attention on cable colors: blue – VCC and gray/pink – GND! Please use only high quality shielded cable. Table 8 : Pin assignments of main connector port Color code of RS-232 RS-422 Description cable White RS-232 send data / RS-422...

  • Page 35: Figure 10 : Connection Diagram Ndra91P Profibus-In

    NDRA91-92 Manual Device description Profibus Port of NDRA91P (M12) For Profibus connection there are 3 B-encoded 5-pole M12 connectors. The connection must be made with Profibus conform cables. Figure 10 : Connection diagram NDRA91P Profibus-IN Figure 11 : Connection diagram NDRA91P Profibus-OUT...

  • Page 36: Status Display

    NDRA91-92 Manual Device description Status Display Figure 12 : Status Display Table 9 : Status display - functions Function Display Status (Signal strength) Target Reflectivity No signal (0) Red blinking Very weak signal (< 600) Weak signal (600…1000) Yellow Signal available (1000 … 1500) Green Good signal (1500 …...

  • Page 37: Pilot Laser

    NDRA91-92 Manual Device description 4.10 Pilot Laser The pilot laser (see Figure 7) is intended to support alignment to a given target point during start-up action of the LNDRA91. It qualifies as a Class 2 Laser device and operates at 635 nm (red) in the visible range. The pilot laser is not aligned to emit in a direction parallel with the measurement Laser.

  • Page 38: Interface Description

    NDRA91-92 Manual Interface description Interface description For interfacing, the NDRA91 provides different connectors depending on the type (see chapter 4.3, Device Types). A main connector port (Figure 7) is used for RS-232- or RS-422-interface and analog output and additional connectors provide SSI interface (Figure 8, no.

  • Page 39: Rs-422 Interface

    NDRA91-92 Manual Interface description RS-422 interface Figure 15 : Wiring RS-422 to RS-422 unit The RS232 / RS422-interface of devices which are equipped with a Profibus interface should only be used for test purposes. Measurement via RS232 / RS422-interface is not recommended for these device types.

  • Page 40: Q1 / Q2 - Digital Switching Output

    NDRA91-92 Manual Interface description Q1 / Q2 – Digital switching output The purpose of Q1 and Q2 is to represent distance readings as logic operation data. They report events of positive or negative exceeding of a preset switching range with a certain amount of hysteresis.

  • Page 41: Figure 17 : Example Of Switching Output Wiring

    NDRA91-92 Manual Interface description Figure 17 : Example of switching output wiring NADO Page 41...

  • Page 42: Qa - Analog Output

    Lower Limit x ≠ y UpperLimit y ≠ x Figure 18 : Signal diagram of NDRA91 analog output The value of output current (mA) is calculated as follows: ��������.−�� ���� [ ���� ] = 4 ���� + 16 ∗ ∗ ����...

  • Page 43: Figure 20 : Wiring Analog Output Qa Of Ndra91

    NDRA91-92 Manual Interface description Figure 20 : Wiring analog output QA of NDRA91 NADO Page 43...

  • Page 44: Trigger Port

    (trigger level) may be set. Interconnection of several NDRA91: a) The first NDRA91 is working as master in the mode DT or DM; when the laser impulse is started, a trigger signal is sent simultaneously. b) The 2. NDRA91 and further NDRAs working as slaves in mode DF (Trigger input).

  • Page 45: Figure 21 : Example For The External Wiring Of The Trigger Input

    NDRA91-92 Manual Interface description Figure 21 : Example for the external wiring of the trigger input Figure 22 : Interconnection of several NDRA91 devices NADO Page 45...

  • Page 46: Ssi Interface Of Ndra91S

    NDRA91-92 Manual Interface description SSI Interface of NDRA91S Specification The NDRA91S is equipped with an SSI-data interface (SSI = synchronous serial interface). By the SSI master the current measurement data is collected, it sends to the clock for the shift register in the slave. The SSI slave sends its data from the shift register bit by bit to the master.

  • Page 47: Profibus Interface Of Ndra91P

    GSD File The GSD-file has the name NDRA91P2.GSD. The files NDRA91P.dib and NDRA91P.bmp belong to the GSD-file and serve for the display of the NDRA91 in the projection tool. The integration of the files is described in the documentation of the projecting tool.
  • Page 48 The terminating resistor is available as an accessory item. Baud Rate The NDRA91 provides automatic detection of the following baud rates: 9.6 / 19.2 / 93.75 / 187.5 / 500 k baud and 1.5 / 3 / 6 / 12 MBaud.

  • Page 49: Figure 24 : Profibus Connection Diagram Ndra91P M12 Connector

    NDRA91-92 Manual Interface description Table 11 : Profibus cable type A features Parameter Value Wave resistance 135 ... 165 Ohm Capacitance per unit length < 30 pf/m Loop resistance < 110 Ohm/km Cable wire diameter > 0.64 mm Cable wire cross-section >...
  • Page 50 NDRA91-92 Manual Interface description Table 12 : Explanation Profibus parameters Name Description Class 2 function: Selection of the slave type according to the encoder profile. Commissioning Send more than the 6 byte standard diagnosis Diagnostics: (16 Byte as Class1 Slave, 77 Byte as Class 2 Slave)
  • Page 51 NDRA91-92 Manual Interface description Octet Type Output bool unused bool class functionality on/off bool commissioning diagnostic on/off bool unused bool reserved for future use bool reserved for future use bool reserved for manufacturer bool reserved for manufacturer class 2 parameter 10..13...
  • Page 52 NDRA91-92 Manual Interface description Because of the NDRA91P is a linear encoder for measuring absolute distances the parameters "code sequence", "scaling function control", "measuring units per revolution" and "measuring range in measuring units" are ignored. Diag Common The (general) diagnosis data correspond entirely to the profile standard, and will be updated with every Profibus-Diagnosis-Request.
  • Page 53 NDRA91-92 Manual Interface description Table 15 : Profibus diagnostic data Octet Type Input byte diag state 1 (Profibus default) byte diag state 2 (Profibus default) byte diag state 3 (Profibus default) byte diag state 4 (Profibus default) 5..6 word slave diag...
  • Page 54 NDRA91-92 Manual Interface description Cyclic data exchange – Input (Slave  Master) The localization data from the NDRA91P are signed. With the SF parameters (scale factor) the signs can inverted. The resolution is also determined by SF. The arrangement of the octet in the telegrams is Profibus-compliant (big endian), e.g.
  • Page 55 NDRA91-92 Manual Interface description  zyklische Berechnung von: M DataEx Laser Offset is not permanently stored in NDRA91P, it will get lost if  The value M Offset you disconnect the device. The offset can be written directly as a parameter Octet 32...35.

  • Page 56: Installation

    Unpack the NDRA91 and check for damages. Install the NDRA91 at the target location, and use the 3 M4-tapped holes at one of the 3 possible surfaces of support of the NDRA91 (see chapter 4.7) Plug the interface cable only when there is no voltage impressed;...

  • Page 57: Figure 25 : Program Ndratool

    NDRA91-92 Manual Installation Before switching on the power supply make sure that all cable ends are protected against short circuits! Connect cable terminals as required for the particular operating mode. To prevent short circuits, seal unused cable ends! For starting-up, a PC with RS-232 or RS-422 data interface and a terminal program required.

  • Page 58: Description Of Commands

    NDRA91-92 Manual Description of commands Description of commands Overview of commands Table 19 : Overview of commands Command- Command Description Standard(s) Range(s) Class Operation Single distance measurement Mode Continuous distance measurement Single distance measurement with external triggering Single speed measurement Continuous speed measurement Internal device temperature in °C...
  • Page 59 NDRA91-92 Manual Description of commands Command- Command Description Standard(s) Range(s) Class Trigger mode 0 or 1 Mean value 1…30000 Scale factor ± 0.001 … 10 MWx y Measuring window at beginning and ± float 32 5000.000 ± float 32 Distance offset end 0.000...
  • Page 60 NDRA91-92 Manual Description of commands Command- Command Description Standard(s) Range(s) Class serial interface SSI format 0 … 1 Pilot Laser 0 … 3 HEx y Heating 4 10 -60 … 40 -60 … 45 (x <= y) NADO Page 60...

  • Page 61: Transmission Protocol Rs-232 And Rs-422

    An unknown command and a faulty parameter format are quitted with “?” (0x3f). Identification ID – Identificaton In response to an ID command, the NDRA91 outputs its manufacturing data in this order: product type, firmware version, firmware data, firmware time, serial number, date of manufacture and time of manufacture. Example: NDRA91 1.5.0(R) 03.07.2010 11:31 060001 11.04.2010 08:56...

  • Page 62: Figure 26 : Online Help (Command Id?)

    NDRA91-92 Manual Description of commands ID? – Online Help On triggering an ID? command, an overview of all available operations and parameters will be displayed to the user. These are explained in the following sections. DM[Enter]....single distance DT[Enter]....continuous distance internal trigger DF[Enter]....continuous distance external trigger...

  • Page 63: Operation Mode

    SA and the set measurement frequency MF. DF – Measure single distance with external triggering The operating mode DF must be set for the NDRA91. When an external trigger signal is received, the device carries out exactly one measurement and waits afterwards for the next trigger event in the operating mode DF.
  • Page 64 VT – Continuous speed measurement The NDRA91 carries out a continuous measurement. From 25 single measurements, the speed value is calculated. The continuous speed measurement can be stopped with the command (RS-232/RS-422: Escape = 0x1B).

  • Page 65: Status

    0.625 Status TP – Internal device temperature The NDRA91 outputs the internal device temperature via the serial interface and the Profibus interface. The data are output in Degree Celsius (°C). PA – Display of all parameters A list of all parameters is output via the serial interface.
  • Page 66 NDRA91-92 Manual Description of commands HW – Hardware diagnosis A device specific list of characteristics and measurement variables is output. Explanation of the items in the hardware status: Table 21 : Description for hardware diagnosis Item Description Temperature controller board...

  • Page 67: Setup Parameter

    0x20. AS – Auto start function The auto start function defines the behaviour of the NDRA91 after a cold start. After the start, the NDRA91 carries out the commands automatically and sends the data via the serial interface.

  • Page 68: Figure 28 : Parameter Reset (Command Pr)

    Figure 28 : Parameter reset (command PR) DR – Release cold start DR carries out the cold start of the NDRA91 and basically simulates an interruption of the voltage. This command is useful for example when the “Autostart”-command was changed.
  • Page 69 Standard: 0.000 No plausibility test of the set offset is carried out within the NDRA91; the user is responsible to set the correct parameterization! SO – Set offset With the parameter SO, a single distance measurement is carried out and set as OF (Offset).
  • Page 70 0.000 ... 5000.000 No plausibility test for the set measurement window will be carried out in the NDRA91; the user is responsible for carrying out the correct parameterization! MF – Measurement frequency [Hz] With the command MF, the number x of the single impulses to be sent per second can be parameterized.
  • Page 71 NDRA91-92 Manual Description of commands Examples: MF1000, SA1000: Measurement time = 1 s (output of 1 measurement value per second) MF2000, SA1000: Measurement time = 0.5 s (output of 2 measurement values per second) MF2000, SA20000: Measurement time = 10 s (output of 1 measurement value every 10 seconds) SA –...
  • Page 72 0 … 300.00 msec; resolution: 0.01 msec range x: Parameter value 0 or 1 range y, z: Standard: 0.00 0 0 If a trigger impulse is received before the actual measurement process is finished, the NDRA91 ignores the new trigger impulse. A new measurement Page 72...
  • Page 73 3 mA High 21 mA No plausibility test for the set error mode is carried out in the NDRA91; the user is responsible to set the correct parameterization. Q1/Q2 – Switching output Commands Q1/Q2 parameterizes the behaviour of the switching outputs Q1 or Q2 (see text and diagram of the switching behaviour in chapter 5.3).
  • Page 74 NDRA91-92 Manual Description of commands Parameter value float32; resolution: 0.001 range w: Parameter value float32; resolution: 0.001; x > 0 ; x > y range x: Parameter value float32; resolution: 0.001; y > 0 range y: Parameter value 0 or 1 range z: Q1: 2 5000 0.1 1...
  • Page 75 Standard: 0 50.000 No plausibility check for the QA-settings will be carried out in the NDRA91; the user is responsible for setting the correct parameterization! The measurement window MW (see 0) is also valid for the analogue output.
  • Page 76 NDRA91-92 Manual Description of commands Query: Set: SDx y Parameter value 0, 1, 2 range x: Parameter value 0, 1, 2, 3 (Table 26 : Serial output format SDy, range y: parameter y) Standard: The parameter y allows additional to the measurement value the output of signal strength and / or the output of temperature.
  • Page 77 NDRA91-92 Manual Description of commands Signal strength: 1 Byte MSB = Bit 7 MSB of Byte 0 always 0 Measurement data: Byte = Bit 6 … Bit 0 Scaling factor binary values to decimal values: 128 Temperature: 2 Byte MSB = Bit 7 MSB of Byte 1 and 0 always 0 Measurement data: Byte = Bit 6 …...
  • Page 78 NDRA91-92 Manual Description of commands Table 27 : Termination character(s) TEx, parameter x Hex code 0x0D0A 0x09 0x20 0x2C 0x3A 0x3B Description CR LF Tabu Blank Comm Colon Semi- space colon lator SC – Format SSI SC parameterizes the format x of the SSI codes (see 5.6).
  • Page 79 NDRA91-92 Manual Description of commands For the switching of the heating, the internal temperature measured with the set parameters is compared. Internal temperature < x (HeatON), heating is switched on Internal temperature > y (HeatOFF), heating is switched off For the parameters must be considered: x (HeatON) <= y (HeatOFF)!

  • Page 80: Maintenance

     Do not lose any screws of the device. Firmware update Firmware updates of the sensor electronics of the NDRA91 may only be done by the manufacturer. Repair In case of necessary repair, send the device to your dealer or to the manufacturer.

  • Page 81: Malfunction And Error Messages

    Code Cause Action for removal Observe measurement DE02 No target distance; reflectivity of the target is too low. Send NDRA91 for repair DE04 Laser defect Contact technical support Error Status Table 30 : Error Status Error status Cause Action for removal...

  • Page 82: Accessories (Options)

    Nr. SUB-D 9 F Colour Name SUB-D 9 F (RS 232, PC COM) code Shield Cable shield brown white blue Table 32 : Connection of programming cable NDRA91 sided Pin NDRA91 Name NDRA91 Colour code Shield Cable shield white brown black blue VCC (+10 V ...

  • Page 83: Connection Box Tcbndra

    10.4 The AD30 is designed to facilitate alignment of the measuring object. The sight is attached with its 11 mm guide with the rail on the top of the NDRA91. The sight must be adjusted after assembly and before use.

  • Page 84: Adapter Plate

    10.5 An adapter plate can be delivered for attaching the NDRA91. This adapter plate is bolted to the case back of the NDRA91, and offers different options for adapting the device, e.g. a tripod thread ¼-20 UNC. When replacing the NDRA500C by an NDRA91, the existing fixing holes can be further used.

  • Page 85: Dust Protection Tube

    NDRA91-92 Manual Accessories (Options) Figure 31 : Adapater plate Dust protection tube NDRA91-DPT105 10.6 The dust tube protects the receiver channel against soiling and against lateral d.c. light which can limit the measurement capabilities. The dust tube can be mounted in front of the receiver optics.

  • Page 86: Protection Case

    NDRA91-92 Manual Accessories (Options) NDRA91 receiver optics: M52 x 0.75; thread depth 5 mm NDRA91 receiver optics: M41 x 0.5; thread depth 5 mm Figure 32 : Dust protection tube 10.7 Protection Case A protection stainless steel housing with integrated terminal block is optional available.

  • Page 87: Software Ndratool

    NDRA91-92 Manual Accessories (Options) Software NDRATool 10.8 A demo version of the software NDRATool is included. By purchasing a license number, this will become the full version. Parameterization and numerical display of measured values can be used indefinitely also in the demo version (see Figure 25 : Program NDRATool).

  • Page 88: Part Numbers

    NDRA911911060-AP, Adapter Plate NDRA91 NDRA911911060-AB, Adjustment bracket for NDRA91A NDRA911911060-N, Protective Housing for NDRA91A and NDRA92 A NDRA91-DPT105, Dust Protection Tube 100mm for NDRA91A NDC1911060-A RS232 programming cable D-SUB9F/Lüsterkl., 1.5m NADR91-CB02 Connection cable NDRA91A, 2m NADR91-CB05, Connection cable NDRA91A, 5m...

  • Page 89: Eg Declaration Of Conformity

    Directive of Electromagnetic Compatibility 2004/108/EG. The following harmonized standards were considered: IEC 61326-1:2005 Electrical equipment for measurement, control and laboratory use, EMC requirements Part1: General requirement (IEC 61326-1:2005); German Version EN 61326-1:2006 Yantai NADO Intelligent Technology Co., LTD. NADO Page 89...
  • Page 90 NDRA91-92 Manual Notice NADO Page 90...
  • Page 91 NDRA91-92 Manual Notice NADO Page 91...

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