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FULLTEST 3
EN - 33
5.6. LOOP IMPEDANCE / SHORT-CIRCUIT CURRENT (LOOP)
• According to EN 60204-1, the conditions for protection against electric shock in installations with
automatic disconnection of mains voltage are:
• Measurement or evaluation of fault loop impedance and testing the over-current protection device
involved in the fault loop.
• Limit values are shown in the Table 10 of EN 60204-1.
5.6.1. LOOP DISPLAY EXPLANATION
Adjustable/selectable parameters:
MODE - measurement mode LOOPL/N, LOOPL/L, LOOPL/PE, IMP57L/N, IMP57L/L or IMP57L/PE
LIMIT - limit value mode STD, kA, I
2
t, TRIP CURR. or Ut, see the explanation below
Ib – breaking capacity of protection 1, 1.5, 3, 4.5, 6, 10, 15, 16, 20 or 25 kA
PROTECTION - type of protection MCB B, MCB C, MCB D, MCB K, FUSE gG or FUSE aM
In - nominal current of protection See the values in chapter “LIMIT VALUE EXPLANATION” below
Tset - max allowed tripping time 0.1 s, 0.2 s, 0.4 s or 5 s
WIRE - wire material Cu (Copper) or Al (Aluminium)
COATING - wire coating PVC, BUTYL RUBBER or EPR/XLPE
SECTION - wire section 1, 1.5, 2.5, 4, 6, 10, 16, 25, 35, 50 or 70 mm
2
N - number of conductors 1 99
Figure 22: Display with LOOPL/N test result
1 ..... Selected function.
2 ..... Selected nominal voltage (230 or 240 V) needed for calculation of short-circuit current.
3 ..... READY message. It is displayed when present mains voltage UL/L, UL/N or UL/PE within required
range is present.
4 ..... Sub-results - mains voltage U
L/PE or UL/PE or UL/L at which the measurement has been done and
calculated prospective short-circuit current I
SC.
5 ..... Measurement screen touch-screen key.
6 ..... MODE touch-screen key to select measurement mode (LOOP L/N, LOOP L/L, LOOP L/PE, IMP57
L/N, IMP57 L/L or IMP57 L/PE). Currently selected mode is displayed on the bottom of the key.
7 ..... LIMIT touch-screen key to select limit mode (STD, kA, I
2
t, TRIP CURR. or Ut). Currently selected
mode is displayed on the bottom of the key.
8 ..... PROT. (protection) touch-screen key to select the type of protection (MCB B, MCB C, MCB D,
MCB K, FUSE gG or FUSE aM) and nominal current of selected protection. Currently selected type
is displayed on the bottom of the key.
- FULLTEST 1
- FULLTEST 3 2
- Table of contents: 2
- 2. GENERAL DESCRIPTION 7
- 3. PREPARATION FOR USE 10
- 4. OPERATING INSTRUCTIONS 11
- PE-2WIRE function 13
- 5. MEASUREMENTS 14
- Short unisolated wire 15
- Red test leads 2,5 mm 15
- PE-2WIRE MEASUREMENT 17
- NOM (5) 17
- PE-4WIRE DISPLAY EXPLANATION 19
- PE-4WIRE test result 19
- PE-4WIRE MEASUREMENT 21
- PE 0 20 21
- ISO DISPLAY EXPLANATION 23
- ISO test result 23
- ISO MEASUREMENT 24
- APP or IREAL 27
- APP 0 200 mA 28
- REAL 0 200 mA 28
- TES NOM 28
- 29
- L/N and UL/PE will start to 33
- IN/2 IN 2IN (4) 5IN 33
- SC LIM, which is the bases 35
- SC MIN must 36
- L/N or LOOPL/PE measurement 38
- L/N measurement 38
- L/L measurement 38
- L/PE will start to be 42
- IN and actual trigger 47
- RES PLUG measurement 47
- IN within required range 47
- APP 0 5.06 kVA 50
- L/N 195 253 V 50
- L 0 20 A 50
- PE 0.25 mA 10 A 50
- L1/2 360 460 V 53
- L2/3 360 460 V 53
- L3/1 360 460 V 53
- CLAMP DISPLAY EXPLANATION 54
- CLAMP test result 54
- CLAMP measurement 55
- LEAK measurement, CLAMP mode 58
- L/N 195 253 V 59
- PE CURRENT OVERRANGE! 60
- L CURRENT OVERRANGE! 60
- MEMORY LANGUAGE SETUP 61
- OPERATOR TESTER INFO 61
- USBCLEARMEM INFO 61
- LAST RESULT 62
- LANGUAGE 63
- TESTER INFO 63
- DATE/TIME NOMINAL VOL 64
- LEVEL NAMES 64
- SAFET INPUT RESETCONTACT VOL 64
- 50 V25 V 65
- CONTACT VOL 65
- EN - 65 66
- EN - 66 67
- EN - 67 68
- EN - 68 69
- 230 V 240 V 70
- NOMINAL VOL 70
- DISABLED ENABLED 70
- SAFETY INPUT 70
- 7. MEMORY FEATURES 72
- 8. MEMORIZING EXAMPLE 73
- 9. RECALL RESULTS 75
- EN - 75 76
- 13. MAINTENANCE 77
- A or RCD function 78
- PE measurement 79
- PE-4WIRE, 25A) 80
- PE-2WIRE, 0.2A)) 80
- N CAT III 300 V 82
- L/PE): 450 k 85
- C at IN: 85
- TRIG): 0 460 VAC 86
- RES): 100 M 86
- TRIG): 450 k 86
- APP and PACT CAT II 300 V 87
- PE (POWER) 87
- L1/2, UL2/3, UL3/1 88
- CLAMP) 88
- 15. SERVICE 91
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