Seaward PrimeTest 250+ Operating Instructions Manual
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Seaward PrimeTest 250+ Operating Instructions Manual

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Operating Instructions

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  • Page 1 Operating Instructions...
  • Page 2 PrimeTest 250+ Operating Instructions Operating Instructions Bracken Hill South West Industrial Estate Peterlee Co Durham SR8 2SW ENGLAND Tel: +44(0)191 586 3511 www.seaward.com sales@seaward.com service@seaward.com Part Number 403A556 Revision 5 © 2020 Seaward Electronic Ltd...
  • Page 3 This warranty can be upgraded to a 24- month warranty by registering your product with Seaward within 30 days of purchase and having it calibrated at an authorised service centre within 13 months of purchase.
  • Page 4 PrimeTest 250+ Operating Instructions Disposal of old product This product has been designed and manufactured with high quality materials and components that can be recycled and reused. When this symbol is attached to a product it means the product is covered by the European Directive 2012/19/EU.

  • Page 5: Table Of Contents

    PrimeTest 250+ Operating Instructions Contents Important Information ........5 Introduction ............. 16 Performing Tests ..........18 Checking a mains power outlet ..... 18 Testing a Class I Appliance ....19 Testing a mains cord ......27 Testing an extension lead ...... 28 Changing the Insulation Test Voltage ...

  • Page 6: Important Information

    PrimeTest 250+ Operating Instructions 1 Important Information These operating instructions are intended for the use of adequately trained personnel. The following symbols are used in these operating instructions and on the PrimeTest 250+. Caution, risk of electric shock. Indicates instructions must be followed to avoid danger to persons.
  • Page 7 Data may be lost or altered in virtually any electronic memory under certain circumstances. Therefore Seaward Electronic assumes no responsibility for financial losses or claims due to data lost or otherwise rendered unusable whether as a result of abuse, improper use,...
  • Page 8 3 Phase Adaptor 4/16 209A910 3 Phase Adaptor 4/32 209A912 3 Phase Leakage Adapter 5/16 391A920 3 Phase Leakage Adapter 5/32 391A910 NiMH Batteries and charger 339A950 PATGuard 3 can be trialled and purchased online from the below web address: www.seaward.com/pg3...
  • Page 9 PrimeTest 250+ Operating Instructions Figure 1. PrimeTest 250+ Front View...
  • Page 10 PrimeTest 250+ Operating Instructions Figure 2. PrimeTest 250+ End View Figure 3. Testing CLI appliances, no mains leakage...
  • Page 11 PrimeTest 250+ Operating Instructions Figure 4. Testing CLII appliances, no mains leakage...
  • Page 12 PrimeTest 250+ Operating Instructions Figure 5. Testing CLI appliances, mains leakage...
  • Page 13 PrimeTest 250+ Operating Instructions Figure 6. Testing CLII appliances, mains leakage...
  • Page 14 PrimeTest 250+ Operating Instructions Figure 7. Testing IEC Leads...
  • Page 15 PrimeTest 250+ Operating Instructions Figure 8. Testing Installation RCD...
  • Page 16 PrimeTest 250+ Operating Instructions Figure 9. Testing Plug Top RCD...

  • Page 17: Introduction

    Mains outlet wiring • 3-Phase appliances when used with Seaward TPA range of 3-phase adaptors. Overview With reference to Figures 1 and 2. 1. Save Key 2. Recall Key 3. Print Key 4. CLI / Cord Sequence Key 5. CLII Test Sequence Key 6.
  • Page 18 PrimeTest 250+ Operating Instructions Power ON/OFF = press and hold the CLI and CLII keys simultaneously Class I appliance test = press the CLI key Class II appliance test = press the CLII key Cord / extension lead test = press the CLI key Enter Setup Mode = press the setup key Once in the setup mode the CLII button can be...

  • Page 19: Performing Tests

    PrimeTest 250+ Operating Instructions 3 Performing Tests Press the CLI and CLII keys simultaneously to switch on the PrimeTest 250+. When the unit is ready the display will be as shown below. Checking a mains power outlet Connect PrimeTest 250+ mains lead to the mains inlet socket and to the power outlet to be tested.

  • Page 20: Testing A Class I Appliance

    PrimeTest 250+ Operating Instructions After 2s the display will return to the start up screen. If the mains voltage is incorrect then the PrimeTest 250+ will remain in voltage mode until the voltage is corrected or removed. Testing a Class I Appliance •...
  • Page 21 PrimeTest 250+ Operating Instructions • If the measured value is less than the pre-set pass/fail threshold, the measured value is displayed and the unit indicates a pass result, as shown below. Note: The PrimeTest 250+ can perform a continuous Rpe measurement (max 3 minutes).
  • Page 22 PrimeTest 250+ Operating Instructions • The insulation test voltage is shown momentarily next to the Riso enunciator. • The unit will proceed with the Insulation and Leakage tests. Note: The power switch on the appliance under test must be in the ON position to perform an insulation test.
  • Page 23 PrimeTest 250+ Operating Instructions • If a substitute leakage test is performed then the PrimeTest 250+ will start the test without the need for user intervention. If the substitute leakage is less than the factory set limit a tick is placed next to the Iea enunciator.
  • Page 24 PrimeTest 250+ Operating Instructions Mains status Flash Flash No mains Flash Flash Earth fault or Live and Neutral reverse • If the mains voltage is correct, the PrimeTest 250+ will proceed with the differential leakage test. • If the Differential Leakage is less than the factory set limit a tick is placed next to the Ileak enunciator.
  • Page 25 PrimeTest 250+ Operating Instructions Testing a Class II Appliance • Visually inspect the appliance and mains cord for signs of damage. • If the appliance passes a visual inspection proceed with the electrical tests. • Plug the earth test lead into the Earth Continuity Test Terminal on the PrimeTest 250+ end panel.
  • Page 26 PrimeTest 250+ Operating Instructions • Check that the appliance power switch is in the ON position. The test will automatically proceed if the appliance power switch is placed in the ON position. • If the LO LOAd enunciator remains on the display, the load presented by the appliance may be too small for the PrimeTest 250+ to detect.
  • Page 27 PrimeTest 250+ Operating Instructions • If a touch leakage test is performed then the PrimeTest 250+ will prompt the user to start the Leakage test by flashing the Ileak icon. If no key is pressed the PrimeTest 250+ will timeout and return to the start screen.

  • Page 28: Testing A Mains Cord

    PrimeTest 250+ Operating Instructions • If the touch leakage is less than the factory set limit a tick is placed next to the Ileak enunciator. • If all of the tests within the sequence have passed then the PASS enunciator is illuminated. Testing a mains cord •...

  • Page 29: Testing An Extension Lead

    PrimeTest 250+ Operating Instructions • The unit will proceed with the wiring test, checking the live and neutral conductors for short or open circuit and reverse connections • If the wiring is correct a tick is placed next to the cord enunciator, the GOOd enunciator is illuminated and a PASS is indicated for the sequence.

  • Page 30: Changing The Insulation Test Voltage

    PrimeTest 250+ Operating Instructions • The extension lead can now be tested in the same manner as an IEC as described above. • If the continuity measurement is greater than the set limit but <0.5ohms then the PrimeTest 250+ will ask whether a long lead is attached. Press the key to record the result as a pass or the to record a fail.

  • Page 31: Performing An Rcd Test On An Installation Rcd

    PrimeTest 250+ Operating Instructions Performing an RCD test on an installation When performing an RCD test ensure that the Continuity Test probe is disconnected from the PrimeTest 250+ Equipment which is connected downstream of the RCD may cause measurement inaccuracies. Voltages between the protective conductor and earth may influence measurements.

  • Page 32: Performing An Rcd Test On A Plug Top Rcd

    PrimeTest 250+ Operating Instructions Whenever reSet is displayed on the LCD press the reset button on the RCD. The PrimeTest 250+ will perform a IΔn (30mA) 0 test, the operating time of the RCD will be shown on the PrimeTest 250+ LCD. If the test passes then the PrimeTest 250+ will perform a IΔn (30mA) 180 test.

  • Page 33: Performing A 3-Phase Sequence

    PrimeTest 250+ Operating Instructions Mains status Flash Flash No mains Flash Flash Earth fault Whenever reSet is displayed on the LCD press the reset button on the RCD. The PrimeTest 250+ will perform a IΔn (30mA) 0 test, the operating time of the RCD will be shown on the PrimeTest 250+ LCD.
  • Page 34 PrimeTest 250+ Operating Instructions • Otherwise, the PrimeTest 250+ will proceed with the Rpe measurement, reverse the test current and then repeat the measurement. The highest measured value that occurred during the two tests is displayed for approximately 2s. Note: There is no factory programmed test limit for the 3 phase Rpe measurement and so no tick or cross is displayed.

  • Page 35: Memory & Print Functions

    PrimeTest 250+ Operating Instructions Memory & Print Functions The PrimeTest 250+ can store the results for a maximum of 999 appliances. Saving Test Results In order to store a test result press the store when the test sequence has been completed. The results displayed on the LCD will be recorded in memory.

  • Page 36: Transferring Test Results

    Test data can be transferred to a PC using the Datalogger on the provided /ptdatalogger Download the file and seaward.com then view the InstallationInstructions.txt file for information on how to install. Once the USB drivers and Datalogger are installed you can open the Datalogger program from your desktop.

  • Page 37: Setting The Real Time Clock

    PrimeTest 250+ Operating Instructions Setting the Real Time Clock Setting time and date: Ensure that the PrimeTest 250+ is powered off. Press and hold the recall key and then press simultaneously the class I and class II keys to power on the tester.

  • Page 38: Specification

    PrimeTest 250+ Operating Instructions 5 Specification Earth Continuity Display Range 0.01ohms to 19.99ohms Measuring Range 0.05ohms to 19.99ohms Accuracy ± (5% + 2 digits) Test current 200mA minimum Test voltage 6V nominal Insulation resistance Display Range 0.01Mohms to 19.99Mohms Measuring Range 0.10Mohms to 19.99Mohms Accuracy ±...
  • Page 39 PrimeTest 250+ Operating Instructions Cord Test Earth continuity, insulation resistance as above. Check for Line and Neutral open circuit, short circuit or reversed polarity. RCD Test Display Range IΔn - 0ms to 500ms 5IΔn – 0ms to 40ms Measuring Range IΔn - 10ms to 500ms 5IΔn –...

  • Page 40: Maintenance

    Note: The PrimeTest 250+ contains no user serviceable parts. If an Error warning should appear on the display please contact the manufacturer or an authorised Seaward Service Agent for advise. 7 Battery Check The PrimeTest 250+ is powered from 6 AA cells which are checked before a test is performed.

  • Page 41: Battery Replacement

    PrimeTest 250+ Operating Instructions Battery Replacement Before opening PrimeTest 250+ ensure that test leads disconnected. • Switch off the unit by pressing and holding the CLI and CLII keys • Disconnect all leads from the PrimeTest 250. • Place the PrimeTest 250+ face down and release the captive screw in the battery compartment cover.

  • Page 42: Fuse Replacement

    PrimeTest 250+ Operating Instructions Fuse Replacement Before opening PrimeTest 250+ ensure that test leads disconnected. • Switch off the unit by pressing and holding the CLI and CLII keys • Disconnect all leads from the PrimeTest 250. • Place the PrimeTest 250+ face down and release the captive screw in the battery compartment cover.

  • Page 43: Service And Calibration

    We recommend a recalibration period of one year. For help or advice on Service and Calibration contact: Service Department Seaward Electronic Ltd 11 Bracken Hill South West Industrial Estate Peterlee Co. Durham SR8 2LS United Kingdom Email: service@seaward.com...

This manual is also suitable for:

403a910

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