Gossen MetraWatt M281A Operating Instructions Manual Download Page 1 | Manualshive

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Operating Instructions

METRACABLE TDR PRO

Time Domain Reflectometer – Cable Fault
and Length Measuring Instrument

3-447-088-03

1/1.21

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Summary of Contents for M281A

Page 1: ...Operating Instructions METRACABLE TDR PRO Time Domain Reflectometer Cable Fault and Length Measuring Instrument 3 447 088 03 1 1 21 ...

Page 2: ...METRACABLE TDR PRO Gossen Metrawatt GmbH ...

Page 3: ...trument Settings 10 4 6 Changing Measurement Settings 11 5 Measurements 12 5 1 Preparation 12 5 2 TDR Measurement 13 5 3 Measuring Coaxial Cables 15 5 4 Additional Functions 15 5 5 Pinpointing and Identifying Faults 16 6 METRACABLE MANAGER 18 6 1 Downloading Installation 18 6 2 Starting and Exiting the Program 18 6 3 Querying Help 18 6 4 Accessing Information on the Program and the Manufacturer 18...

Page 4: ...nd Maintenance 30 7 1 Battery Replacement 30 7 2 Instrument Care 31 7 3 Accessories Care 31 8 Product Support 32 9 Repair and Replacement Parts Service Calibration Center and Rental Instrument Service 32 10 CE Declaration 33 11 Return and Disposal 34 ...

Page 5: ...the insulation around the sockets Accessories and cables may only be used as long as they re fully intact Inspect all cables and accessories before use Pay particular attention to damaged hous ings interrupted insulation or kinked cables Do not use the instrument after long periods of storage under unfavorable conditions e g humidity dust or extreme temperature Do not use the instrument after extr...

Page 6: ... included METRACABLE MANAGER software Safety of the operator as well as that of the instrument is only assured when it s used for its intended purpose 2 2 Use for Other than Intended Purpose Using the instrument for any purposes other than those described in these condensed oper ating instructions or in the instrument s operating instructions is contrary to use for intended purpose 2 3 Liability a...

Page 7: ...lowing section METRACABLE MANAGER 18 3 2 Symbols on the Instrument 1 METRACABLE TDR PRO with carrying strap M281A 4 LR6 batteries 1 5 V type AA 1 Set of test probes 1 3 m banana plugs 300 V Cat II 2 Alligator clips plug on 1 BNC adapter banana plug to coaxial cable 1 Pouch with carrying strap 1 Condensed operating instructions Warning concerning a point of danger attention observe documentation Eu...

Page 8: ...etrawatt GmbH 3 3 Instrument Overview Front Top Eyelet for Carrying Strap Fall Protector LCD Panel ESC Key SEL Key Scroll keys for control ON OFF Key Battery Display Fall Protector and Battery Compartment Lid 4 mm Banana Plug Jacks ...

Page 9: ...5 Gossen Metrawatt GmbH METRACABLE TDR PRO Back Battery Compartment Lid and Fall Protector Tilt Stand Eyelet for Carrying Strap ...

Page 10: ...ctromagnetic Compatibility EMC Interference emission EN 55011 2015 Interference immunity EN 61000 4 2 2009 EN 61000 4 3 2006 Mechanical Design Housing W H D Approx 19 5 10 0 4 5 cm Mechanical protection Impact resistant ABS housing with fall pro tector and display protection 2 mm Plexi glas with hardened safety glass Protection IP 52 per DIN VDE 0470 part 1 EN 60 529 protection against ingress of ...

Page 11: ...rical search signal Range 14 km Accuracy 1 pixels at 0 66 VF Resolution 3 125 ns or 0 3 m depending on cable Output pulse Max 20 V pp Pulse lengths 12 25 50 100 200 500 1000 and 2500 ns Velocity factor Variable from 0 2 to 0 99 in steps of 0 01 Impedance 50 75 100 125 Ω Signal type Symmetrical Zoom magnification factor In steps of 6 dB Shielded Cable Twisted Pair Cable Multi wire Line Coaxial Cabl...

Page 12: ...n order to switch the instrument on and off The TDR trace is displayed immediately after pressing the ON OFF key 4 3 Display TDR trace The TDR trace appears in the display as a default function The cursor can be moved to the right or the left with the help of the scroll keys Pressing and holding the scroll key causes the cursor to move more quickly By pressing the SEL key a function is selected wh...

Page 13: ...on by means of the VF value It must be selected individually for each respective cable so that distance can be calculated correctly Cable type Access to the cable database and selection of the cable type including VF value entries max 32 entries METRACABLE MANAGER 18 Data transmission Activate Bluetooth for data transmission to the PC METRACABLE MANAGER 18 Settings Language German English French U...

Page 14: ...mparing two measurements Note The reference curve is not changed during Y zooming Save Saves the momentary measurement with timestamp Data can be transferred subsequently to the PC via Bluetooth METRA CABLE MANAGER 18 Freeze Freezes the momentary trace at the display Input Selection of either AC or DC AC capacitive coupling to the cable Increased protection against inter ference voltage DC direct ...

Page 15: ...Settings The following settings are required for measurements AC or DC input Pulse length Cable impedance Detailed information concerning the settings and their values TDR Menu Overview 10 These settings should be selected before performing a measurement However if necessary they can also be changed during a measurement The measurement is restarted automati cally after each change 1 Press the ON O...

Page 16: ...GER 18 5 1 Preparation 1 The cable s velocity factor VF value must be known in order to perform measurements The material dependent velocity of propagation of the signal within the cable is taken into consideration by means of the VF value It must be selected individually for each respec tive cable so that distance can be calculated correctly The instrument includes a cable database which can acco...

Page 17: ... the help of the scroll keys and acknowledge your selection by pressing the SEL key Select the appropriate entry from the database which then appears with the help of the scroll keys and acknowledge your selection by pressing the SEL key In order to return to the TDR trace navigate to the TDR Measurement submenu and acknowledge your selection by pressing the SEL key Enter the value manually if you...

Page 18: ... of the measurement segment A cursor which has been inserted in the display can be used as a zoom reference 10 Navigate to the desired position within the TDR trace with the help of the cursor Briefly press the SEL key repeatedly until the Cursor function is selected Move the cursor with the help of the and scroll keys press and hold a scroll key for rapid motion You can display a second cursor to...

Page 19: ...TRACABLE MANAGER 18 Measurement has now been completed 5 3 Measuring Coaxial Cables A BNC adapter is included with the instrument for the measurement of coaxial cables Attention The BNC adapter may only be used for low voltage systems The coaxial cable to be measured is voltage free 1 Connect to the BNC adapter s banana plugs to the banana jacks on the instrument 4 2 Connect the BNC adapter s coax...

Page 20: ...wledge by pressing the SEL key The Reference menu appears 5 Select On with the and scroll keys 6 Acknowledge by pressing the SEL key The Reference menu appears 7 Return to the measurement function by pressing the ESC key The measurement is displayed in the background 8 Perform the second measurement Both measurements are displayed and can be compared with each other 5 5 Pinpointing and Identifying...

Page 21: ...nd returned to the instrument The type of fault can be determined on the basis of characteristic reflection curves The instrument also indicates the location of the fault accurate down to approximately 0 3 m Typical reflection curves and associated cable faults Branch Open End Short Circuit Splice Split Resplit Water in Cable Poor Contact Water Ingress Branch Short Splitter ...

Page 22: ...version from our website http www gossenmetrawatt com The download can be found on the instrument s individual page 2 Unpack the ZIP file 3 Launch the metracablemanager exe file A Windows wizard guides you through the installation The program is installed to the PC 6 2 Starting and Exiting the Program METRACABLE MANAGER is installed on your PC 18 The program can be launched by means of the usual W...

Page 23: ...menu The window management drop down menu appears 2 Activate or deactivate the Dialog Scaling option in the Basic Settings panel 3 Acknowledge by clicking OK All currently open windows are arranged in accordance with the selected option Entering Inspectors Entries can be made indicating which inspector performed each respective measurement When measurements are loaded from the instrument 24 the sp...

Page 24: ...The corresponding procedure is described below for Windows 10 The procedure is similar for other Microsoft Windows operating systems Your PC is equipped with a Bluetooth port METRACABLE MANAGER has been installed to the PC 1 Open the Windows start menu 2 Click Settings The Windows Settings dialog opens 3 Click the Devices button The Devices dialog appears with the Bluetooth other devices window 4 ...

Page 25: ...iously ascertained COM port appears in the RS 232 Interface list in the Basic Settings panel If not change the entry accordingly Note If the COM port doesn t appear in the list click the Rescan COM Ports button The COM port list is updated 21 Acknowledge by pressing the OK key The setting is saved The devices are paired and connected Deactivate the Bluetooth module in the METRACABLE TDR PRO in ord...

Page 26: ...22 Manually Adding Deleting and Editing Cable Parameters 22 Exporting the Cable Database from the Software to the PC 23 Importing the Cable Database from the PC to the Software 23 Uploading the Cable Database from the Software to the Instrument 23 Loading the Cable Database from the Instrument to the Software Load the cable database from your instrument to the software after which it can be edited...

Page 27: ...ed individual entries cannot be selected for export A cable database has been loaded to the software 22 1 Select Cable Parameters from the menu The Cable Parameters dialog appears 2 Click the Save Cu Parameters to PC button The cable database is exported from the software to the PC Importing the Cable Database from the PC to the Software A previously saved cable database can be imported to the sof...

Page 28: ...2 Select the desired data handling settings the filename and the memory location in the Options for Loading from the Instrument panel Information concerning placeholders for filenames can be accessed by clicking the help button The settings are saved Importing Data from the Instrument to the Software The import settings have already been selected 24 Measurements have been saved at the instrument 1...

Page 29: ...A logo selectable Information concerning the measuring instrument type serial number Information concerning the measurement name and time of measurement measuring parameters Graphic evaluation of the measurement data Information concerning the inspector name comment Information concerning the customer name comment Signature field The filename in the footer optional A signature field for signing th...

Page 30: ...Saving and Exporting Measurements and Generating Reports 1 Import the measurement data to the software If the data are imported directly from the instrument several measurements are dis played Select the window with the desired measurement If the data are imported as a file from the PC only one measurement is displayed 24 2 Specify the desired excerpt from the TDR trace Excerpt from the TDR trace ...

Page 31: ...V file Click the Export button to this end The Export Measurement Data as CSV dialog appears Enter a new memory loca tion and filename Acknowledge by clicking Save The measurement is exported 10 Optional Print the edited measurement as a report Click the Print button to this end Before printing you can display a report preview by clicking the Preview button The report is printed 11 Close the measu...

Page 32: ...elect Update File dialog appears 6 Select the downloaded firmware file The file is transferred to the instrument 7 Exit the Data Transfer menu item at the instrument The Bluetooth module is deactivated The main menu appears 8 Select Settings from the menu with the help of the scroll keys 9 Acknowledge by pressing the SEL key The Settings menu is displayed 10 Select Program Update from the menu wit...

Page 33: ...oaded FPGA file The file is transferred to the instrument 7 Exit the Data Transfer menu item at the instrument The Bluetooth module is deactivated The main menu appears 8 Select Settings from the menu with the help of the scroll keys 9 Acknowledge by pressing the SEL key The Settings menu is displayed 10 Select Program Update from the menu with the help of the scroll keys 11 Acknowledge by pressin...

Page 34: ...rechargeable batteries Required tools Philips screwdriver Required replacement parts 4 conventional or rechargeable batteries which are compara ble with the originally included batteries 6 The instrument is switched off All measurement cables and accessories have been removed from the instrument 1 Place the instrument face down on a stable surface 2 Loosen and remove the 2 screws from the battery ...

Page 35: ...ements 7 2 Instrument Care No special maintenance is required for the instrument Keep outside surfaces clean Use a cloth for cleaning which has been slightly dampened with water Attention Avoid the use of cleansers abrasives or solvents 7 3 Accessories Care No special maintenance is required for the accessories Keep outside surfaces clean Use a slightly dampened cloth to clean the measurement cabl...

Page 36: ...ddress is only valid in Germany Please contact our representatives or subsidiaries for service in other countries Gossen Metrawatt GmbH Product Support Hotline Phone 49 911 8602 0 Fax 49 911 8602 709 e mail support gossenmetrawatt com GMC I Service GmbH Service Center Beuthener Str 41 90471 Nürnberg Germany Phone 49 911 817718 0 Fax 49 911 817718 253 e mail service gossenmetrawatt com Web www gmci...

Page 37: ...33 Gossen Metrawatt GmbH METRACABLE TDR PRO 10 CE Declaration The instrument fulfills all requirements of applicable EU directives and national regulations We confirm this with the CE mark ...

Page 38: ...a designated collection point or contact our product support department 32 This instrument is also subject to directive 2006 66 EC on batteries and accumula tors and waste batteries and accumulators and its German national equivalent implemented as the Battery Act BattG on the marketing return and environmen tally sound disposal of batteries and accumulators The symbol at the left indicates that b...

Page 39: ...35 Gossen Metrawatt GmbH METRACABLE TDR PRO ...

Page 40: ...ll trademarks registered trademarks logos product names and company names are the property of their respective owners Gossen Metrawatt GmbH Südwestpark 15 90449 Nürnberg Germany Phone 49 911 8602 111 Fax 49 911 8602 777 e mail info gossenmetrawatt com www gossenmetrawatt com Gossen Metrawatt GmbH METRACABLE TDR PRO ...

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