MARTINDALE ET4000 Instruction Manual
  1. Manuals
  2. Brands
  3. MARTINDALE Manuals
  4. Test Equipment
  5. ET4000
  6. Instruction manual

MARTINDALE ET4000 Instruction Manual

Multifunction installation testers
Hide thumbs
Table of Contents

Advertisement

Quick Links

MARTINDALE
ET4000, ET4500
Multifunction Installation Testers

Instruction manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ET4000 and is the answer not in the manual?

Questions and answers

Related Manuals for MARTINDALE ET4000

Summary of Contents for MARTINDALE ET4000

  • Page 1: Instruction Manual

    MARTINDALE ET4000, ET4500 Multifunction Installation Testers Instruction manual...

  • Page 2: Table Of Contents

    Precautions ....................... 6 Introduction ......................8 Inspection ......................8 Description ......................8 Accessories ....................... 8 2.3.1 Supplied with the ET4000 ................8 2.3.2 Supplied with the ET4500 ................9 2.3.3 Optional accessories .................. 9 Instrument description ..................10 Front panel ...................... 10 Connector panel ....................
  • Page 3 Martindale ET4000 / ET4500 Table of contents Insulation resistance ..................29 Resistance of earth connection and equipotential bonding ......31 5.3.1 Continuous resistance measurement ............33 5.3.2 R LOWΩ, 200 mA resistance measurement ..........34 5.3.3 Continuous low current resistance measurement ........35 5.3.4...
  • Page 4 Martindale ET4000 / ET4500 Table of contents 9.3.3 Trip-out time ..................... 71 9.3.4 Trip-out current ..................71 Fault loop impedance and prospective fault current ........72 9.4.1 No disconnecting device or FUSE selected ..........72 9.4.2 RCD selected ................... 72 Line impedance and prospective short-circuit current / Voltage drop ....

  • Page 5: Safety Information

    Martindale ET4000 / ET4500 Safety information 1 Safety information REMEMBER: SAFETY IS NO ACCIDENT These instructions contain both information and warnings that are necessary for the safe operation and maintenance of this product. It is recommended that you read the instructions carefully and ensure that the contents are fully understood.

  • Page 6: Precautions

    Martindale ET4000 / ET4500 Safety information 1.2 Precautions This product has been designed with your safety in mind, but please pay attention to the following warnings and cautions before use. Warnings In order to avoid the danger of electrical shock, it is important that proper ...
  • Page 7 The ET4000 comes supplied with alkaline batteries. If rechargeable Ni-MH  batteries are to be fitted, only fit the same type as defined on the battery compartment label or as described in this manual.

  • Page 8: Introduction

    If there is any damage then consult your distributor immediately. 2.2 Description The Martindale ET4000 and ET4500 are professional multifunction hand-held test instruments designed to perform the measurements required for testing of low voltage a.c. electrical installations.

  • Page 9: Supplied With The Et4500

    Martindale ET4000 / ET4500 Introduction 2.3.2 Supplied with the ET4500 Soft carrying bag  Soft carrying neck belt  Set of carrying straps  TL180 - test probe  TL206 - 13A plug to 3x4mm connector mains  TL36 - test lead set ...

  • Page 10: Instrument Description

    Martindale ET4000 / ET4500 Instrument description 3 Instrument description 3.1 Front panel Figure 3.1: Front panel Legend: 1 LCD 128 x 64 dot matrix display with backlight. 2 UP Modifies selected parameter. 3 DOWN 4 TEST Starts measurements. TEST Also acts as the PE touching electrode.

  • Page 11: Connector Panel

    Martindale ET4000 / ET4500 Instrument description 3.2 Connector panel Figure 3.2: Connector panel L / L1 (H) terminal Test terminals N / L2 (E) terminal PE / L3 (S) terminal TL180 probe Test inputs from TL180 test probe inputs Charger socket...

  • Page 12: Instrument Rear

    Martindale ET4000 / ET4500 Instrument description 3.3 Instrument rear Figure 3.3: Back panel Legend: Battery / fuse compartment cover Back panel information label Fixing screws for battery / fuse compartment cover Figure 3.4: Battery and fuse compartment Legend: Fuse F1...

  • Page 13: Carrying The Instrument

    Martindale ET4000 / ET4500 Instrument description Figure 3.5: Bottom Legend: Bottom information label Carrying strap loops Side handles 3.4 Carrying the instrument With the carrying strap supplied, various possibilities for carrying the instrument are available. Operators can choose the appropriate one. See the following examples: The instrument hangs around the operators neck –...

  • Page 14: Attaching The Carrying Strap

    Martindale ET4000 / ET4500 Instrument description The instrument can be used even when inside the soft carrying bag – test cables are connected to the instrument through the front opening. 3.4.1 Attaching the carrying strap You can choose between two methods: Figure 3.6: First method...

  • Page 15: Instrument Operation

    Martindale ET4000 / ET4500 Instrument description 4 Instrument operation 4.1 Batteries and charging The instrument uses six AA size alkaline or rechargeable Ni-MH batteries. The nominal operating time specified is for batteries with a nominal capacity of 2100 mAh. The battery condition is always displayed in the lower right corner of the display.

  • Page 16: Display And Audible Indication

    Martindale ET4000 / ET4500 Instrument description Alkaline or rechargeable Ni-MH batteries (size AA) can be used in the ET4000  and ET4500. Martindale recommends only using rechargeable batteries with a capacity of 2100mAh or above. Unpredictable chemical processes can occur during the charging of batteries that ...

  • Page 17: Results

    Martindale ET4000 / ET4500 Instrument description Measurement is in progress, refer to any displayed warnings. Conditions on the input terminals allow starting the measurement; consider other displayed warnings and messages. Test button is inhibited. Conditions on the input terminals are not correct.

  • Page 18: Help Screens

    Martindale ET4000 / ET4500 Instrument description 4.2.6 Help screens HELP Opens help screen. Help menus are available in all functions. The Help menu contains schematic diagrams illustrating how to correctly connect the instrument to an electrical installation. After selecting the measurement you want to perform, press the HELP key in order to view the associated Help menu.

  • Page 19: Function Selection

    Martindale ET4000 / ET4500 Instrument description 4.3 Function selection For selecting test/measurement function and entering the settings menu use the FUNCTION SELECTOR SWITCH. Function selector switch and keys: Function selector Selects test / measurement function, enters settings menu and switch selects auto-test mode.
  • Page 20 Martindale ET4000 / ET4500 Instrument operation Measurements for more information about the operation of the instrument test functions.

  • Page 21: Settings

    Martindale ET4000 / ET4500 Instrument operation 4.4 Settings Different instrument options can be set in the SETTINGS menu. Options are: recalling and clearing stored results (ET4500 only),  setting the date and time,  selecting reference standard for RCD tests, ...

  • Page 22: Rcd Testing

    Martindale ET4000 / ET4500 Instrument operation Selects the field to be changed. UP / DOWN Modifies selected field. TEST Confirms new date / time and exits. Exits back to settings menu. Function selector Exits back to selected test / measurement function switch without changes.

  • Page 23: Z Factor

    Martindale ET4000 / ET4500 Instrument operation Standard ½I 2I 5I  N  N  N  N EN 61008 / EN 61009 300 ms 300 ms 150 ms 40 ms BS 7671 2000 ms 300 ms 150 ms 40 ms...

  • Page 24: Initial Settings

    Martindale ET4000 / ET4500 Instrument operation 4.4.5 Initial settings In this menu the instrument settings, measurement parameters and limits can be set to initial (factory) values. Figure 4.11: Initial settings dialogue Keys: UP / DOWN Selects option [YES, NO]. TEST Restores default settings (if YES is selected).
  • Page 25 Martindale ET4000 / ET4500 Instrument operation Nominal differential current: I =30 mA  N RCD type: AC, non-delayed Test current starting polarity: (0) Limit contact voltage: 50 V Current multiplier: 1 Note: Initial settings (reset of the instrument) can also be recalled by pressing the TAB ...

  • Page 26: Use Of Test Leads And Probes

    Martindale ET4000 / ET4500 Instrument operation 4.5 Use of test leads and probes 4.5.1 TL36 test leads Where access to test points may require extended probe tips, the probe tip caps may be removed by gently pulling them forward until they unclip from the probe body.

  • Page 27: Tl180 Test Probe

    Martindale ET4000 / ET4500 Instrument operation 4.5.3 TL180 test probe The TL180 test probe allows the operator to start a test / measurement by pressing the TEST button on the test probe rather than the TEST key on the instrument front panel.

  • Page 28: Measurements

    Martindale ET4000 / ET4500 Measurements 5 Measurements 5.1 Voltage, frequency and phase sequence Voltage and frequency measurement is always active in the terminal voltage monitor. In the special VOLTAGE TRMS function the measured voltage, frequency and information about any detected three-phase connection can be stored. Three-phase measurements conform to BS EN 61557-7.
  • Page 29 Martindale ET4000 / ET4500 Measurements Voltage measurement procedure Select the VOLTAGE TRMS function using the function selector switch.  Connect the test leads to the instrument.  Connect the test leads to the wiring or socket to be tested (see Figure 5.2 and ...

  • Page 30: Insulation Resistance

    Martindale ET4000 / ET4500 Measurements 5.2 Insulation resistance Insulation resistance measurements are performed to ensure safety against electric shock through poor insulation. Typical applications are: insulation resistance between conductors of an installation,  insulation resistance of non-conductive rooms (walls and floors), ...
  • Page 31 Martindale ET4000 / ET4500 Measurements Test circuits for insulation resistance Figure 5.6: Connection of test leads and TL180 test probe Insulation resistance measuring procedure Select the Insulation function using the function selector switch.  Set sub-function to ISO L/E, ISO...

  • Page 32: Resistance Of Earth Connection And Equipotential Bonding

    Martindale ET4000 / ET4500 Measurements 5.3 Resistance of earth connection and equipotential bonding The resistance measurement is performed to ensure the protective measures against electric shock through earth connections and bonding are effective. The following continuity sub-functions are available: ...
  • Page 33 Martindale ET4000 / ET4500 Measurements Additional key: HELP Click Nulls test leads in Continuity functions. Keep pressed for 1s Enters Help screen Testing considerations Parallel loops may influence the test results.  If a voltage higher than 10 V (AC or DC) is detected between the test terminals, ...

  • Page 34: Continuous Resistance Measurement

    Martindale ET4000 / ET4500 Measurements 5.3.1 Continuous resistance measurement The continuity measurements are performed with automatic polarity reversal of the test voltage in accordance with BS EN 61557-4. Test circuits for continuity measurements r1 – line continuity rN – neutral continuity Temporary short r2 –...

  • Page 35: R Lowω, 200 Ma Resistance Measurement

    Martindale ET4000 / ET4500 Measurements Continuity measurement procedure Select function using the function selector switch.  LOWΩ Set sub-function to (r1, rN, r2, R1+R2, or R1+RN) with UP / DOWN keys.  Enable and set the limit (optional).  Connect the test leads to the instrument.

  • Page 36: Continuous Low Current Resistance Measurement

    Martindale ET4000 / ET4500 Measurements Figure 5.13: Example of RLOW result Displayed result: R....R LOWΩ resistance R+ ... result for positive test polarity R- .... result for negative test polarity 5.3.3 Continuous low current resistance measurement This function serves as a standard ohmmeter with a low test current. The measurement is performed continuously without polarity reversal.
  • Page 37 Martindale ET4000 / ET4500 Measurements Test circuit for continuous resistance measurement Figure 5.14: TL180 and test lead connections Continuous resistance measurement procedure Select CONTINUITY function using the function selector switch.  Set sub-function CONTINUITY with UP / DOWN keys. ...

  • Page 38: Nulling Of Test Lead Resistance

    Martindale ET4000 / ET4500 Measurements 5.3.4 Nulling of test lead resistance This chapter describes how to null the test lead resistance for the continuity function. Compensation is required to remove the test lead resistance and the internal resistances of the instrument from the measured resistance. This lead compensation is therefore very important in order to obtain correct results.

  • Page 39: Testing Rcds

    Martindale ET4000 / ET4500 Measurements 5.4 Testing RCDs Various tests and measurements are required for the verification of RCD's in RCD protected installations. The measurements conform to BS EN 61557-6. The following measurements and tests (sub-functions) can be performed: contact voltage, ...

  • Page 40: Contact Voltage (Rcd Uc)

    Martindale ET4000 / ET4500 Measurements 5.4.1 Contact voltage (RCD Uc) A current flowing into the PE terminal causes a voltage drop on the earth resistance, i.e. a voltage difference between the PE equipotential bonding circuit and earth. This voltage difference is called contact voltage and is present on all accessible conductive parts connected to the PE.

  • Page 41: Trip-Out Time (Rcdt)

    Martindale ET4000 / ET4500 Measurements 5.4.2 Trip-out time (RCDt) Trip-out time measurement verifies the sensitivity of the RCD at different residual currents. Trip-out time measurement procedure Select the function using the function selector switch.  Set sub-function to RCDt using UP / DOWN keys.
  • Page 42 Martindale ET4000 / ET4500 Measurements Figure 5.22: Trip-out current measurement result example Displayed results: I ... trip-out current Uci ..contact voltage at trip-out current I or the end value when the RCD does not trip t ... trip-out time Testing considerations Parameters set in one function are also kept for other RCD functions.

  • Page 43: Rcd Autotest

    Martindale ET4000 / ET4500 Measurements 5.4.4 RCD Autotest The RCD autotest function is intended to perform a complete RCD test (trip-out time at different residual currents, trip-out current and contact voltage) in one set of automatic tests, controlled by the instrument.
  • Page 44 Martindale ET4000 / ET4500 Measurements Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Figure 5.23: Individual steps in RCD autotest Bottom Figure 5.24: Two parts of result field in RCD autotest Displayed results: x1 ..step 1 trip-out time (I , 0º)

  • Page 45: Fault Loop Impedance And Prospective Fault Current

    Martindale ET4000 / ET4500 Measurements 5.5 Fault loop impedance and prospective fault current Fault loop is a loop comprised of the mains source, line wiring and the PE path back to the mains source. The instrument measures the impedance of the loop and calculates the short circuit current.
  • Page 46 Martindale ET4000 / ET4500 Measurements Fault loop impedance measurement procedure Select the Zloop function using the function selector switch.  Set sub-function to Zloop Zs rcd using UP / DOWN keys.  Select test parameters (optional).  Connect the test leads to the instrument.
  • Page 47 Martindale ET4000 / ET4500 Measurements leakage current flows to the PE protective conductor or if there is a capacitive connection between the L and PE conductors. The low limit prospective short-circuit current value depends on the fuse type,  fuse current rating, fuse trip-out time and impedance scaling factor.

  • Page 48: Line Impedance And Prospective Short-Circuit Current / Voltage Drop

    Martindale ET4000 / ET4500 Measurements 5.6 Line impedance and prospective short-circuit current / Voltage drop Line impedance is a loop comprising of the mains voltage source and line wiring. The measurements conform to BS EN 61557-3. The voltage drop sub-function is intended to check that a voltage in the installation stays above acceptable levels if the highest current is flowing in the circuit.
  • Page 49 Martindale ET4000 / ET4500 Measurements 5.6.1 Line impedance and prospective short circuit current Circuits for measurement of line impedance Figure 5.30: Phase-neutral or phase-phase line impedance measurement Line impedance measurement procedure Select the Z LINE function using the function selector switch.

  • Page 50: Voltage Drop

    Martindale ET4000 / ET4500 Measurements Input voltage range (L-N or L1-L2) 110 V (93 V  U  134 V) 230 V (185 V  U  266 V) (321 V  U  485 V) 400 V Testing considerations Large fluctuations of mains voltage can influence the measurement results (the ...
  • Page 51 Martindale ET4000 / ET4500 Measurements Step 2: Measuring the voltage drop Set sub-function to ΔU using UP / DOWN keys.  Select test parameters (Fuse type must be selected).  Connect the test leads to the instrument.  Connect the test leads to the point in the wiring or socket to be tested (see Step ...
  • Page 52 Martindale ET4000 / ET4500 Measurements is calculated as described in chapter 5.6.1 Line impedance and prospective  short circuit current. If the measured voltage is outside the ranges described in the table above the  ΔU result will not be calculated.

  • Page 53: Earth Resistance (Et4500 Only)

    Martindale ET4000 / ET4500 Measurements 5.7 Earth resistance (ET4500 only) Earth resistance is one of the most important parameters for protection against electric shock. Mains earthing arrangements, lightning systems, local earthing, etc can be verified with the earth resistance test. The measurements conforms to BS EN 61557-5.

  • Page 54: Standard Earth Resistance Measurement

    Martindale ET4000 / ET4500 Measurements 5.7.1 Standard earth resistance measurement Connections for earth resistance measurement Figure 5.35: Resistance to earth, measurement of main installation earthing Figure 5.36: Resistance to earth, using extension leads Figure 5.37: Example of earth resistance measurement result Displayed results for earth resistance measurement: R....
  • Page 55 Martindale ET4000 / ET4500 Measurements terminal, such as the green test lead of the TL75 earth test lead set, it is advisable determine additional resistance introduced into measurement by this test lead. This can be done by performing a measurement...

  • Page 56: Pe Test Touch Terminal

    Martindale ET4000 / ET4500 Measurements 5.8 PE test touch terminal The TEST key also acts as a PE test touch terminal and tests for voltage between the operator and the instrument's PE terminal when performing measurements where the mains supply is connected to the instrument terminals.
  • Page 57 Martindale ET4000 / ET4500 Measurements PE terminal test procedure Connect the test leads to the instrument.  Connect the test leads to the installation under test ( see Figure 5.38)  Touch the TEST key for at least one second.

  • Page 58: Data Handling (Et4500 Only)

    Martindale ET4000 / ET4500 Data handling 6 Data handling (ET4500 only) 6.1 Memory organization Measurement results together with all relevant parameters can be stored in the instrument’s memory. After the measurement is completed, results can be saved to the flash memory of the instrument, together with the sub-results and function parameters.
  • Page 59 Martindale ET4000 / ET4500 Data handling level: CIRCUIT: Default location name (circuit and its successive number). 003: No. of selected element. level: CONNECTION: Default location name (connection and its successive number). 004: No. of selected element. No. of measurements in selected location [No.

  • Page 60: Saving Test Results

    Martindale ET4000 / ET4500 Data handling 6.3 Saving test results After the completion of a test the results and parameters are ready for saving ( icon is displayed in the information field). By pressing the MEM key, the user can save the results.

  • Page 61: Recalling Test Results

    Martindale ET4000 / ET4500 Data handling 6.4 Recalling test results Press the MEM key in any measuring function when there is no result available for saving or select MEMORY in the SETTINGS menu. Figure 6.3: Recall menu - installation Figure 6.4: Recall menu - measurements...

  • Page 62: Clearing Stored Data

    Martindale ET4000 / ET4500 Data handling 6.5 Clearing stored data 6.5.1 Completely clearing all memory content Select CLEAR ALL MEMORY in MEMORY menu. A warning will be displayed. Figure 6.6: Clear all memory Function of Keys in clear all memory menu...

  • Page 63: Clearing Individual Measurements

    Martindale ET4000 / ET4500 Data handling TEST Deletes all results in selected location. MEM / ESC Exits back to delete results menu without changes. Switches to test / measuring function without changes. Function selector switch 6.5.3 Clearing individual measurements Select DELETE RESULTS in MEMORY menu.

  • Page 64: Renaming Installation Structure Elements (Upload From Pc)

    Martindale ET4000 / ET4500 Data handling was cleared 6.5.4 Renaming installation structure elements (upload from PC) Default installation structure elements are »Object«, »Distribution board«, »Circuit« and »Connection«. In the software package ET-link default names can be changed with customized names that correspond to the installation under test.

  • Page 65: Communication

    Martindale ET4000 / ET4500 Data handling 6.6 Communication Saved results can be transferred to a PC (ET4500 only). A special communication program on the PC automatically identifies the instrument and enables data transfer between the instrument and the PC. There are two communication interfaces available on the instrument: USB and RS 232.

  • Page 66: Upgrading The Instrument Firmware

    This enables the instrument to be kept up to date when standards or regulations change. The upgrade can be carried out using special upgrading software and the communication cable as shown in Figure 6.13. Please contact Martindale Electric for more information.

  • Page 67: Maintenance

    There are three fuses under the battery compartment cover.  M 0.315 A / 250 V, 205 mm Martindale Part No. FUSEM315X3 (pack of 3) This fuse protects the internal circuitry of the continuity functions if the test terminals are inadvertently connected to the mains supply voltage during measurement.

  • Page 68: Test Lead Replacement

    There are no user serviceable parts in this unit other than those that may be described in section 8. Return to Martindale Electric if faulty. Our service department will quote promptly to repair any fault that occurs outside the guarantee period.

  • Page 69: Technical Specifications

    Martindale ET4000 / ET4500 Technical specifications 9 Technical specifications The error in operating conditions should be no more than the error for reference conditions (specified in the manual for each function) +1 % of measured value + 1 digit, unless otherwise specified in the manual for a particular function.

  • Page 70: Continuity

    Martindale ET4000 / ET4500 Technical specifications 9.2 Continuity 9.2.1 Resistance R LOW, R2, R1+R2 Measuring range to BS EN 61557-4 is 0.16  - 1999 . Accuracy Measuring range R () Resolution () (3 % of reading + 3 digits) 0.00 - 19.99...

  • Page 71: Rcd Testing

    Martindale ET4000 / ET4500 Technical specifications 9.3 RCD testing 9.3.1 General data Nominal residual current (A,AC) ..10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000 mA Nominal residual current accuracy ..-0 / +0.1I; I = IN, 2IN, 5IN -0.1I...

  • Page 72: Trip-Out Time

    Martindale ET4000 / ET4500 Technical specifications 9.3.3 Trip-out time Complete measurement range conforms with BS EN 61557-6. Maximum measuring times set according to selected reference for RCD testing. Measuring range (ms) Resolution (ms) Accuracy 0.0 - 40.0 1 ms 0.0 - max. time * 3 ms...

  • Page 73: Fault Loop Impedance And Prospective Fault Current

    Martindale ET4000 / ET4500 Technical specifications 9.4 Fault loop impedance and prospective fault current 9.4.1 No disconnecting device or FUSE selected Fault loop impedance Measuring range to BS EN 61557-3 is 0.25  - 9.99k. Accuracy Measuring range () Resolution () 0.00 - 9.99...

  • Page 74: Line Impedance And Prospective Short-Circuit Current / Voltage Drop

    Martindale ET4000 / ET4500 Technical specifications 9.5 Line impedance and prospective short-circuit current / Voltage drop Line impedance Measuring range to BS EN 61557-3 is 0.25  - 9.99k. Accuracy Measuring range () Resolution () 0.00 - 9.99 0.01 (5 % of reading + 5 digits) 10.0 - 99.9...

  • Page 75: Resistance To Earth (Et4500 Only)

    Martindale ET4000 / ET4500 Technical specifications 9.6 Resistance to earth (ET4500 only) 9.6.1 Standard earth resistance measurement – 3-wire measurement Measuring range to BS EN 61557-5 is 2.00  - 9999 . Accuracy Measuring range () Resolution () 0.00 - 19.99 0.01...

  • Page 76: Voltage, Frequency, And Phase Rotation

    Martindale ET4000 / ET4500 Technical specifications 9.7 Voltage, frequency, and phase rotation 9.7.1 Phase rotation Nominal system voltage range ..100 V - 550 V Nominal frequency range ....15 Hz - 500 Hz Result displayed ....... 1.2.3 or 3.2.1 9.7.2 Voltage...

  • Page 77: General Specifications

    Martindale ET4000 / ET4500 Technical specifications 9.8 General specifications Display ..........128x64 dots matrix display with backlight Communication transfer speed RS 232 ..........57600 baud USB ..........256000 baud Size of memory (ET4500 only) ..ca 1800 measurements Power supply ........6 x 1.5V, AA alkaline batteries (IEC LR6, NEDA 15A) or 6 x 1.2V, AA rechargeable Ni-MH...
  • Page 78 Martindale ET4000 / ET4500 Technical specifications Complies with ........BS EN 61326 – Class B (Hand-held equipment used in controlled EM environments) Specification for TL36 test leads Maximum voltage ......1000V AC/DC Maximum current ......10A continuous Connectors ........4mm banana plugs with fixed shrouds Environmental Temperature (Operating &...
  • Page 79 Martindale ET4000 / ET4500 Technical specifications Specification for TL180 test probe Maximum voltage ......1000V AC/DC Maximum current ......10A continuous Environmental Temperature (Operating & Storage) . 0°C - 40°C Altitude ..........up to 2000m Pollution degree ........ 2 Safety Complies with ........

  • Page 80: Warranty And Limitation Of Liability

    This warranty is the buyer’s sole and exclusive remedy and is in lieu of all other warranties, expressed or implied, including but not limited to any implied warranty of merchantability or fitness for a particular purpose. Martindale shall not be liable for any special, indirect, incidental or consequential damages or losses, including loss of data, arising from any cause or theory.

  • Page 81: Appendix A - Impedance Tables

    Martindale ET4000 / ET4500 Appendix A – Impedance tables Appendix A – Impedance tables A.1 Impedance tables - for fuses, circuit-breakers and RCBO’s The maximum loop impedances in the following tables are used for the pass/fail limits for the measurement of loop impedance. The 1.0 Z factor setting maximum loop impedances are in accordance with BS 7671 Amendment No.

  • Page 82: Type B Circuit-Breakers To Bs En 60898 And Rcbo's To Bs En 61009-1

    Martindale ET4000 / ET4500 Appendix A – Impedance tables Type B circuit-breakers to BS EN 60898 Type C circuit-breakers to BS EN 60898 and RCBO’s to BS EN 61009-1 and RCBO’s to BS EN 61009-1 Disconnection time 0.4 & 5 s Disconnection time 0.4 &...

  • Page 83: Appendix B - Measurement Categories

    Martindale ET4000 / ET4500 Appendix B - Measurement categories Appendix B – Measurement categories Measurement categories are determined by the potential for dangerous transient impulses on the mains supply system, the magnitude of which depends on the amount of damping of the transient energy due to the location within the system and the system voltage.
  • Page 84 Martindale Electric Company Limited Metrohm House, Penfold Trading Estate, Imperial Way, Watford WD24 4YY, UK Tel: +44 (0)1923 441717 Fax: +44 (0)1923 446900 E-mail: sales@martindale-electric.co.uk Website: www.martindale-electric.co.uk © 2015 Martindale Electric Company Ltd. Registered in England No. 3387451. E&OE. LIT4000F Document Rev1...

This manual is also suitable for:

Et4500

Table of Contents