Table of Contents
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Table of Contents
Related Manuals for Megger RCDT300 Series
Summary of Contents for Megger RCDT300 Series
- Page 1 RCDT300 Series Residual Current Device testers USER MANUAL...
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Page 2: Safety Warnings
SAFETY WARNINGS Safety Warnings and Precautions must be read and understood before the instrument is used. They must be observed during use. Continuity of protective conductors and earthed equipotential bonding of new or modified installations must be verified before carrying out RCD tests. Do not leave the instrument connected to the mains supply when not in use. -
Page 3: Table Of Contents
CONTENTS Safety warnings: To replace batteries Introduction Fuse blown indication General description Preventive maintenance Case contents Specification LCD display Basic and service errors Top panel Accessories and equipment Lid open/closure Repair and Warranty Preparations for use Batteries Preliminary test lead check General operating instructions Display warning symbols Setup procedure... -
Page 4: Introduction
INTRODUCTION GENERAL DESCRIPTION Thank you for purchasing the Megger RCD Tester. The RCDT300 Series test instruments have the following features: For your own safety and to get the maximum benefit from your instrument, please ensure that you read and understand the following... -
Page 5: Case Contents
CASE CONTENTS Feature RCDT310 RCDT320 RCDT330 Please complete the warranty card and return it to Megger Limited as soon as possible to help us reduce any delays in supporting you should the DC breakers (1/2 I, I, 5I) need arise. -
Page 6: Lcd Display
LCD DISPLAY FRONT PANEL RCD range select: Refer to user Supply connection Test lead Fuse blown Mains noise 10 mA (320/330) manual indicators connections RCD test type Battery 30 mA L-PE, L-N, N-PE indicator status 100 mA 300 mA LCD display 500 mA 1000 mA (320/330) Neck strap... -
Page 7: Lid Open/Closure
Connection Panel Memory control keys: RCDT300 Series test lead connections STORE:....Store initiates the storing of a test result. Mains plug Phase connection Earth connection test lead LAST/NEXT:.... Selects the type of location; ie Job, connector distribution board, circuit, phase etc. -
Page 8: Preparations For Use
GENERAL OPERATING INSTRUCTIONS Batteries Test inhibit The Megger RCDT300 series instruments are supplied with batteries fitted. The following condition may cause the instrument to inhibit testing: When batteries become exhausted, refer to page 17, battery replacement. Out of range supply voltage... -
Page 9: Display Warning Symbols
Setup procedure or switched back on again by pressing the [TEST] button. Note: Line reversal and RCD touch voltage configuration features are only Backlight operation (RCDT320 and RCDT330 only) available on the instruments as per the relevant tables in the specification The RCDT320 and RCDT330 LCD display may be backlit. -
Page 10: Test Leads
To maintain user safety and ensure accurate measurements, only use not be modified or changed in any way, or be used with any other electrical the test leads supplied by Megger. instrument or appliance. System diagram - Where to use each test... -
Page 11: Led Indicators
RESIDUAL CURRENT DEVICE [RCD] TESTING LED indicators Method of measurement Three RED led indicators show circuit connection status when correctly The plug ended test lead or two wire lead should be used for these connected to a live circuit. These are for indication purposes only and measurements. -
Page 12: Rcd Type Selection
Additionally the RCDT330 can perform the following tests:- 5. Ensure the display shows the mains voltage. 6. Press the [TEST] button. The instrument should display >1999ms and Programmable RCDs the RCD should NOT trip. Programmable RCDs can be tested from 10 mA to 1000 mA, 7. -
Page 13: Or 180° Testing
time. Check your test lead connections to the RCD and repeat the test. As with the normal RCDs, these should be tested at 0° and 180°, or in the case of DC sensitive RCD’s, positive and negative. If the RCD still fails to trip, suspect a faulty RCD. NOTE: The current limit for the 5I test is 100 mA, as the test current AUTO RCD test available is limited to 1 Amp. -
Page 14: Voltage Measurement
3. The instrument will display the Phase to Earth voltage. Touch Voltage On all Megger RCDT300 series testers, the touch voltage is calculated at the start of an RCD test to ensure it will remain below the safe 25 V or 50 V limit as required by the application. - Page 15 TEST RESULT STORAGE (RCDT320 ONLY) How results are stored: At the completion of the test press STORE. 001 etc) using ↑↓ Results storage has the following structure: 2. Select Job reference number ( 000, keys then press NEXT. 000, = Job number (Hold the key down to scroll quickly through the numbers) b01,b02…...
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Page 16: Frequency Hz (Rcdt320 And Rcdt330 Only)
3. The instrument will display the frequency in Hz. 1. Connect the tester to teh PC using the USB test lead. 2. Set the tester range knob to [Snd]. 3. Run Megger PowerSuite Professional or Megger Download Manager on the PC. 4. Select “Download from tester”. -
Page 17: Replacing Batteries And Fuses
Alkaline batteries, and may not give much warning before becoming exhausted. Contact your Megger distributor or call Megger Limited on 01304 502 102. To replace batteries Warning: Do not switch the instrument on with the battery cover Messages for information and warnings removed. -
Page 18: Preventive Maintenance
PREVENTATIVE MAINTENANCE Other messages Clean only with a damp cloth. Do not use any alcohol based cleaning fluids as they may leave a residue. L + L Will test with L/N swapped L + N Will NOT test with L/N swapped Setup menu Instrumnet is about to switch off... -
Page 19: Specification
SPECIFICATION RCD Test Ranges (to EN61557-6) Frequency measurement Supply (RCDT320 and RCDT330 only) RCDT310 100 V - 280 V 45Hz to 65 Hz 25Hz to 450Hz Range: RCDT320 50 V - 280 V 45Hz to 65 Hz 25.0Hz to 199.9Hz ±0.1Hz Accuracy: RCDT330 50 V - 280 V 45 Hz to 65 Hz 200Hz to 450Hz ±1Hz... -
Page 20: Basic And Service Errors
2000 consecutive tests Battery Life: Weight All units 980gms Dimensions All units 203 x 148 x 78 mm E.M.C In accordance with IEC61326-1 Operational inaccuracies: Ref to www.megger.com... -
Page 21: Accessories And Equipment
2 wire test lead set and crocodile clips 6220-784 Mains plug test lead (BS 1363) 6220-740 Mains plug test lead CEE 7/7 6220-741 Mains plug test lead (AS/NZS 3112) 6220-790 USB download lead 25970-041 Download Manager CD 6111-442 Megger Certification Software Powersuite Pro-Lite 16th... -
Page 22: Repair And Warranty
Megger instruments, using genuine Kent CT17 9EN Norristown PA 19403 Megger spare parts. A list of approved companies is available from the UK England. U.S.A. address shown on this page. Spare parts are also available. - Page 24 E ausales@megger.com F +1 416 298 0848 E casales@megger.com Megger products are distributed in 146 countries worldwide. This instrument is manufactured in the United Kingdom. The company reserves the right to change the specification or design without prior notice. Megger is a registered trademark...
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