1. DL manuals
  2. Megger
  3. Test Equipment
  4. RCDT300 Series
  5. User Manual

Megger RCDT300 Series User Manual

Manual is about: Residual Current Device testers

Summary of RCDT300 Series

  • Page 1

    M rcdt300 series residual current device testers user manual.

  • Page 2

    G safety warnings n safety warnings and precautions must be read and understood before the instrument is used. They must be observed during use. N continuity of protective conductors and earthed equipotential bonding of new or modified installations must be verified before carrying out rcd tests. N ...

  • Page 3

    To replace batteries 17 fuse blown indication 17 preventive maintenance 19 specification 19 basic and service errors 20 accessories and equipment 21 repair and warranty 22 symbols used on the instrument are: g caution: refer to accompanying notes t equipment protected throughout by double insulation...

  • Page 4

    Feature rcdt310 rcdt320 rcdt330 3 phase safe n n n display backlight n n battery status indication n n n auto power down n n n fuse blown indication n n n l-n-e polarity indicators n n n voltmeter n n n frequency measurement n n reverse polarity operation * (can be disabled) n n n 1/2i, i, 5i rcd tr...

  • Page 5

    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 need arise. Carton contents rcdt310, rcdt320 and rcdt330: 1 x rcdt300 series rcd tester 1 x 2 wire test lead with prods with clips (rcdt320, rcdt330 only) 8...

  • Page 6

    6 lcd display front panel refer to user manual test lead connections front panel cover (folded under cover) backlight on/off (320/330) rcd type selector: ac ac selective dc dc selective test button 0º/180º selector neck strap slots supply connection indicators l-pe, l-n, n-pe lcd display rcd range s...

  • Page 7

    Memory control keys: store:.................... Store initiates the storing of a test result. Last/next:............ Selects the type of location; ie job, distribution board, circuit, phase etc. Esc:......................... Aborts a save at any time. Ok:.......................... Final operation to...

  • Page 8

    Preparations for use (all instruments) general operating instructions 8 test inhibit the following condition may cause the instrument to inhibit testing: out of range supply voltage if an out of range voltage or frequency exists on the circuit under test, or on a very noisy mains supply, testing wil...

  • Page 9

    Or switched back on again by pressing the [test] button. Backlight operation (rcdt320 and rcdt330 only) the rcdt320 and rcdt330 lcd display may be backlit. The backlight function can be selected at any time while the instrument is switched on by pressing the backlight j button. The backlight functio...

  • Page 10

    10 test lead connection the supplied test leads should be connected to the appropriate sockets on the rear of the instrument marked l0 and l1, or to the 3 way test socket. Standard test probes and crocodile clips are supplied for connection to the circuit under test with the rcdt320 only. Applicatio...

  • Page 11

    Led indicators three red led indicators show circuit connection status when correctly connected to a live circuit. These are for indication purposes only and should not be relied upon as a indication of the presence of a hazardous voltage. When connected to the circuit to be tested the three status ...

  • Page 12

    Additionally the rcdt330 can perform the following tests:- programmable rcds programmable rcds can be tested from 10 ma to 1000 ma, rcd type selection to select the rcd type to be tested: 1. Set the top rcd selection knob (top knob) to the desired rcd current range. 2. Set the rcd test knob (lower k...

  • Page 13

    Time. Check your test lead connections to the rcd and repeat the test. 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 available is limited to 1 amp. 0° or 180° testing both the [i] and [5i] tests should be performed for 0°...

  • Page 14

    14 possible sources of error measurement results can be affected by the following: 1. Significant operating errors can occur if loads, particularly rotating machinery and capacitive loads are left connected during tests. 2 a poor connection to the circuit under test. Voltage measurement note: measur...

  • Page 15

    Test result storage (rcdt320 only) at the completion of the test press store. 2. Select job reference number ( 000, 001 etc) using ↑↓ keys then press next. (hold the key down to scroll quickly through the numbers) 3. Select distribution board number (b01,02 etc) using ↑↓ keys then press next 4. Sele...

  • Page 16

    To measure the frequency of the electrical supply: 1. Set the instrument to the [hz] range. 2. Connect the green or (l0) lead to the protective earth (pe) and the red or (l1) lead to the phase to be measured. 3. The instrument will display the frequency in hz. 16 frequency hz (rcdt320 only) 3. Press...

  • Page 17

    Auto power-down to extend battery life the instrument will automatically switch off 6 minutes after the last operation. The instrument can be switch off manually be selecting [off] on the rotary switch, or switched back on by pressing the [test] button. Fuse blown indication the fuse blown symbol f ...

  • Page 18

    Other messages l + l will test with l/n swapped l + n will not test with l/n swapped set setup menu off instrumnet is about to switch off 18 preventative maintenance clean only with a damp cloth. Do not use any alcohol based cleaning fluids as they may leave a residue..

  • Page 19

    Specification rcd test ranges (to en61557-6) supply rcdt310 100 v - 280 v 45hz to 65 hz rcdt320 50 v - 280 v 45hz to 65 hz rcdt330 50 v - 280 v 45 hz to 65 hz minimum voltage 71 v for 300 ma rcds, 100 v for 500 ma rcds and 205 v for 1000 ma rcds ranges rcdt310 30 ma, 100 ma, 300 ma, 500 ma rcdt320/3...

  • Page 20

    20 basic and service errors power supply batteries: 8 x 1,5 v cells iec lr6 type (aa alkaline). Rechargeable: 8 x 1.2 v nicd or nimh cells may be used. Battery condition is constantly shown on the display as a four-section bar graph. Battery life: 2000 consecutive tests weight all units 980gms dimen...

  • Page 21

    21 accessories item order code 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...

  • Page 22

    22 repair and warranty the instrument contains static sensitive devices, and care must be taken in handling the printed circuit board. If an instrument’s protection has been impaired it should not be used, but sent for repair by suitably trained and qualified personnel. The protection is likely to b...

  • Page 24

    M megger limited archcliffe road, dover kent ct17 9en england t +44 (0)1 304 502101 f +44 (0)1 304 207342 e uksales@megger.Com megger 4271 bronze way, dallas, texas 75237-1019 usa t +1 800 723 2861 (usa only) t +1 214 333 3201 f +1 214 331 7399 e ussales@megger.Com megger z.A. Du buisson de la could...