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Summary of Contents for Megger LRCD200 series
- Page 1 LRCD200 Series Combined Loop and RCD Tester USER MANUAL...
- Page 2 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, or earth fault loop impedance tests.
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Page 3: Table Of Contents
CONTENTS Safety warnings Replacing batteries and fuses Introduction Low battery warning symbol General description To replace batteries Case contents Fuse blown indication LCD Display Preventive maintenance Front panel Technical specification Connection panel Basic and service errors Lid open/closure Accessories and equipment Preparations for use Repair and Warranty Batteries... -
Page 4: Introduction
INTRODUCTION GENERAL DESCRIPTION Thank you for purchasing the Megger LRCD200 series. The LRCD200 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
There are important documents that you should keep for future reference. (not UK) Please complete the warranty card and return it to Megger as soon as possible to help us reduce any delays in supporting you should the need DC Selective RCD tests arise. -
Page 6: Lcd Display
LCD DISPLAY FRONT PANEL RCD range select: 10mA Fuse blown Mains noise Refer to User Manual 30mA 100mA Supply connection indicators Test lead RCD test Battery status 300mA L-PE, L-N, N-PE connections type 500mA LCD Display indicator 1000mA (220 only) Neck strap Touch slots... -
Page 7: Connection Panel
REAR PANEL CONNECTIONS CONTROL PADS LRCD 200/210 LRCD200 Earth connection or 2nd Phase connections (220 only) Warning Phase connection Mains plug test LRCD220 Read user guide lead connector LRCD220 Earth connection Lid open/closure 1. Open lid by lifting up front panel tab (1). 2. -
Page 8: Preparations For Use
Tests lock (LRCD 220 only) The LOCK indicates when the [Hi] current loop test range is locked The Megger LRCD series instruments are supplied with batteries fitted. When batteries become exhausted, refer to page 19, battery replacement. It is activated by holding down the... -
Page 9: Display Warning Symbols
Default voltmeter >280V Displayed on the LRCD200/210 indicates a supply voltage in The default voltmeter automatically operates in all test modes, indicating excess of that allowed is present. >480V Displayed on the LRCD220 indicates a supply voltage in excess of connection to a live system. -
Page 10: Test Leads
Megger Limited. The mains plug test lead supplied with the Megger Tester is a test lead that forms part of the measuring circuit of the instrument. The overall length... -
Page 11: Led Indicators
LED indicators LOOP TESTING Three RED led indicators show circuit connection status when correctly connected to a live circuit. These are for indication purposes only and LRCD220 LRCD220 should not be relied upon as a indication of the presence of a hazardous voltage. -
Page 12: Loop Testing
LOOP TESTING Two loop testing options are available: [No Trip] on the LRCD200/210 and 2. Supply voltage is displayed. [Hi] test on the LRCD220. 3. Press the [TEST] key. Non-tripping loop test [No Trip] 4. After a test period of up to 20 seconds the measured loop value is displayed. -
Page 13: Phase-Neutral Or Phase-Phase Loop Impedance
Bonded Metalwork Testing The PFC is calculated by using the sum:- Repeat the above test but with the Green lead connected to the exposed Nominal supply voltage metalwork. PFC= Loop resistance For a Hi Current Phase to Earth loop impedance measurement at a power The supply voltage used in the calculation depends on the measured socket, repeat the above test using the Mains plug test lead supplied. -
Page 14: Possible Sources Of Error
RESIDUAL CURRENT DEVICE [RCD] TESTING Method of measurement LRCD220: If a voltage greater than 480 V is detected between phases the display will show >480 V . The plug ended test lead or 3 wire lead should be used for these measurements. - Page 15 RCD type selection the RCD should NOT trip. 7. Refer to the application note on Touch Voltage at the end of this section. To select the RCD type to be tested: NOTE: If the RCD should trip while performing a 1/2I test the error 1.
- Page 16 Possible sources of error NOTE: The current limit for the 5I test is 100 mA, as the test current available is limited to 1 Amp. Measurement results can be affected by the following: 1. Significant operating errors can occur if loads, particularly rotating 0°...
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Page 17: Voltage Measurement
3. The instrument will display the phase to earth voltage. Touch Voltage On all Megger LRCD200 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 18: Phase Sequence (Lrcd220 Only)
PHASE SEQUENCE (LRCD 220 ONLY) AUTO POWER DOWN When connected to all conductors of a three phase system, the instrument To extend battery life the instrument will automatically switch off six automatically displays the sequence of phase rotation. minutes after the last operation. The instrument ccan be switched off manually by selecting [OFF] with the To determine phase sequence rotary switch, or switched back on again by pressing the [TEST] button. -
Page 19: Replacing Batteries And Fuses
N N o o t t e e : : Fully charged NiMH or NiCAD rechargeable batteries show a lower by an authorised Megger repair centre. charge than Alkaline batteries, and may not give much warning before To extend battery life the instrument will automatically switch off six becoming exhausted. -
Page 20: Preventive Maintenance
PREVENTIVE MAINTENANCE TECHNICAL SPECIFICATION Clean only with a damp cloth. Do not use any alcohol based cleaning fluids Voltage measurement: as they may leave a residue. (LRCD200, 210, 220): 0 V - 500 V Accuracy: ±2% ±2 digits Frequency measurement: (LRCD200, 210, 220) Range: 25Hz to 450Hz... - Page 21 Nominal test current: Prospective Fault Current (PSCC) 15 mA Prospective fault current = Nominal supply voltage/Loop resistance Loop Accuracy: 0.01Ω - 9.99 Ω (±5% ±0.03 Ω) Accuracy is derived from loop test 10.0Ω - 99.9 Ω (±5% ±0.5 Ω) 100Ω - 999 Ω (±5% ±5 Ω) 1 A - 199 A 1 A resolution 1.00 kΩ...
- Page 22 Temperature and humidity E.M.C. In accordance with IEC61326 including amendment No.1 Operating Range: -5°C to +40°C Operating Humidity: 93% R.H. at +40°C max. Storage Range: -25°C to +70°C Maximum altitude: 2000m Environmental Protection: IP54 Safety IEC 61010 Meets the requirements of IEC61010-1 Cat III 300V phase to earth. EN61557 Complies with the following parts of EN61557, Electrical safety in low voltage systems up to 1000 V ac and 1500 V dc- Equipment for testing,...
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Page 23: Basic And Service Errors
Mains plug test lead CEE 7/7 (EN versions) 6220-741 Mains plug test lead (AS/NZS 3112) (AU versions) 6220-790 Quick start guide 5174-208 Megger certification software PowerSuite Pro-Lite 16th 6111-695... -
Page 24: Repair And Warranty
INSTRUMENT REPAIR AND SPARE PARTS estimate will be submitted to the sender, if required, before work on the For service requirements for Megger Instruments c c o o n n t t a a c c t t : instrument commences. - Page 28 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 Part No.
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