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Loop & RCD Testers

Loop and RCD testers can work in tandem, with an RCD (Residual Current Device) capable of breaking an electrical circuit before it causes harm, whereas a Loop Tester is a quick, convenient and highly specific method of evaluating an electrical circuit for its ability to engage protective devices (circuit breakers, fuses, Ground-fault circuit interrupter).

What are the functions of Loop T...

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RS PRO Digital RCD Tester, RCD Test Type AC, RCD Test Current 10mA
RS PRO Digital RCD Tester, RCD Test Type AC, RCD Test Current 10mARS PRO Digital RCD Tester, RCD Test Type AC, RCD Test Current 10mA
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RS Stock No. 123-2240
Brand RS PRO

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RS Pro
Digital RCD Tester
-
-
-
AC
-
-
10 mA, 20 mA, 30 mA, 100 mA, 300 mA, 500mA
-
Mains
800g
0°C
-
IRT1900
+40°C
180mm
70mm
130mm
RS PRO Digital RCD Tester, RCD Test Type AC, RCD Test Current 10mA RS Calibration
RS PRO Digital RCD Tester, RCD Test Type AC, RCD Test Current 10mA RS CalibrationRS PRO Digital RCD Tester, RCD Test Type AC, RCD Test Current 10mA RS Calibration
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RS Stock No. 123-2363
Brand RS PRO

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RS Pro
Digital RCD Tester
RSCAL
-
-
AC
-
-
10 mA, 20 mA, 30 mA, 100 mA, 300 mA, 500mA
-
Mains
800g
0°C
-
IRT1900
+40°C
180mm
70mm
130mm
RS PRO Digital RCD Tester, RCD Test Type AC, RCD Test Current 10mA UKAS Calibration
RS PRO Digital RCD Tester, RCD Test Type AC, RCD Test Current 10mA UKAS CalibrationRS PRO Digital RCD Tester, RCD Test Type AC, RCD Test Current 10mA UKAS Calibration
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RS Stock No. 123-2364
Brand RS PRO

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RS Pro
Digital RCD Tester
UKAS
-
-
AC
-
-
10 mA, 20 mA, 30 mA, 100 mA, 300 mA, 500mA
-
Mains
800g
0°C
-
IRT1900
+40°C
180mm
70mm
130mm
RS PRO Loop Impendance Tester, Loop Impedance Test Type 3 Wire
RS PRO Loop Impendance Tester, Loop Impedance Test Type 3 WireRS PRO Loop Impendance Tester, Loop Impedance Test Type 3 Wire
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RS Stock No. 123-2239
Brand RS PRO

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RS Pro
Earth Loop Impedance Tester
-
3 Wire
-
-
Yes
±2%
-
-
Mains
800g
0°C
-
IPT1800
+40°C
180mm
70mm
130mm
RS PRO Loop Impendance Tester, Loop Impedance Test Type 3 Wire RS Calibration
RS PRO Loop Impendance Tester, Loop Impedance Test Type 3 Wire RS CalibrationRS PRO Loop Impendance Tester, Loop Impedance Test Type 3 Wire RS Calibration
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RS Stock No. 123-2348
Brand RS PRO

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RS Pro
Earth Loop Impedance Tester
RSCAL
3 Wire
-
-
Yes
±2%
-
-
Mains
800g
0°C
-
IPT1800
+40°C
180mm
70mm
130mm
RS PRO Loop Impendance Tester, Loop Impedance Test Type 3 Wire UKAS Calibration
RS PRO Loop Impendance Tester, Loop Impedance Test Type 3 Wire UKAS CalibrationRS PRO Loop Impendance Tester, Loop Impedance Test Type 3 Wire UKAS Calibration
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RS Stock No. 123-2349
Brand RS PRO

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RS Pro
Earth Loop Impedance Tester
UKAS
3 Wire
-
-
Yes
±2%
-
-
Mains
800g
0°C
-
IPT1800
+40°C
180mm
70mm
130mm
Chauvin Arnoux P06230301 RCD Tester 230V, RCD Test Type AC CAT II 250 V
Chauvin Arnoux P06230301 RCD Tester 230V, RCD Test Type AC CAT II 250 VChauvin Arnoux P06230301 RCD Tester 230V, RCD Test Type AC CAT II 250 V
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RS Stock No. 226-1778
Brand Chauvin Arnoux
Manufacturers Part No. P06230301

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Chauvin Arnoux
Socket Tester
-
-
230V
AC
No
-
-
CAT II 250 V
-
-
-
-
-
-
-
-
-
Chauvin Arnoux P06230304 RCD Tester 300V, RCD Test Type AC CAT II 300 V
Chauvin Arnoux P06230304 RCD Tester 300V, RCD Test Type AC CAT II 300 VChauvin Arnoux P06230304 RCD Tester 300V, RCD Test Type AC CAT II 300 V
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RS Stock No. 226-1779
Brand Chauvin Arnoux
Manufacturers Part No. P06230304

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Chauvin Arnoux
Socket Tester
-
-
300V
AC
-
-
-
CAT II 300 V
-
-
-
-
-
-
-
-
-
Megger LT300-EN-BS Loop Impendance Tester, Loop Impedance Test Type 2 Wire 550V CAT IV
Megger LT300-EN-BS Loop Impendance Tester, Loop Impedance Test Type 2 Wire 550V CAT IVMegger LT300-EN-BS Loop Impendance Tester, Loop Impedance Test Type 2 Wire 550V CAT IV
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RS Stock No. 528-6681
Brand Megger
Manufacturers Part No. LT300-EN-BS

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Megger
Earth Loop Impedance Tester
-
2 Wire
550V
-
-
±5%
-
CAT IV 300V
Battery
980g
-10°C
CAT IV
LT300
+60°C
203mm
78mm
148mm
Megger RCDT320-EN-BS RCD Tester, RCD Test Type DC, RCD Test Current 1000mA CAT III 300V
Megger RCDT320-EN-BS RCD Tester, RCD Test Type DC, RCD Test Current 1000mA CAT III 300VMegger RCDT320-EN-BS RCD Tester, RCD Test Type DC, RCD Test Current 1000mA CAT III 300V
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RS Stock No. 712-5746
Brand Megger
Manufacturers Part No. RCDT320-EN-BS

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Megger
RCD Tester
-
-
-
DC
-
-
1000mA
CAT III 300V
Battery
980g
-5°C
-
RCDT 320
+40°C
203mm
78mm
148mm
Megger LTW425-EU-BS Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 440V, RCD Test Type AC
Megger LTW425-EU-BS Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 440V, RCD Test Type ACMegger LTW425-EU-BS Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 440V, RCD Test Type AC
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RS Stock No. 198-441
Brand Megger
Manufacturers Part No. LTW425-EU-BS

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Megger
Combined Loop & RCD Tester
-
2 Wire
440V
AC Selective
-
±10%
4A
CAT IV 300 V, IEC 61010
Battery
1000g
-10°C
CAT IV
LTW425
+50°C
203mm
78mm
148mm
Megger LTW325-EU-BS Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 440V, RCD Test Type AC
Megger LTW325-EU-BS Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 440V, RCD Test Type ACMegger LTW325-EU-BS Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 440V, RCD Test Type AC
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RS Stock No. 198-457
Brand Megger
Manufacturers Part No. LTW325-EU-BS

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Megger
Combined Loop & RCD Tester
-
2 Wire
440V
AC Selective
-
±10%
4A
CAT IV 300 V, IEC 61010
Battery
1000g
-10°C
CAT IV
LTW325
+50°C
203mm
78mm
148mm
Megger LRCD220-EN-BS Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type AC
Megger LRCD220-EN-BS Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type ACMegger LRCD220-EN-BS Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type AC
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RS Stock No. 712-5749
Brand Megger
Manufacturers Part No. LRCD220-EN-BS

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Megger
Combined Loop & RCD Tester
-
2 Wire
500V
AC Selective, DC Selective
Yes
±2%
10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000mA
CAT III 300 V, IEC 61010
Battery
980g
-5°C
CAT III
LRCD220
+40°C
203mm
78mm
148mm
Megger RCDT310-EN-BS RCD Tester, RCD Test Type AC Selective, DC Selective, RCD Test Current 500mA CAT III 300V
Megger RCDT310-EN-BS RCD Tester, RCD Test Type AC Selective, DC Selective, RCD Test Current 500mA CAT III 300VMegger RCDT310-EN-BS RCD Tester, RCD Test Type AC Selective, DC Selective, RCD Test Current 500mA CAT III 300V
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RS Stock No. 712-5737
Brand Megger
Manufacturers Part No. RCDT310-EN-BS

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Megger
RCD Tester
-
-
-
AC Selective, DC Selective
-
-
500mA
CAT III 300V
Battery
980g
-5°C
-
RCDT 310
+40°C
203mm
78mm
148mm
Kewtech Corporation FC2000 Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 1000V, RCD Test Type
Kewtech Corporation FC2000 Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 1000V, RCD Test TypeKewtech Corporation FC2000 Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 1000V, RCD Test Type
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RS Stock No. 821-2084
Brand Kewtech Corporation
Manufacturers Part No. FC2000

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Kewtech Corporation
Combined Loop & RCD Tester
-
2 Wire
1000V
AC Selective
-
1%
163mA
-
Mains
-
-
-
FC2000
-
-
-
-
Megger LTW315-EU-BS Loop Impendance Tester, Loop Impedance Test Type 2 Wire, 3 Wire 440V, RCD Test Type AC Selective,
Megger LTW315-EU-BS Loop Impendance Tester, Loop Impedance Test Type 2 Wire, 3 Wire 440V, RCD Test Type AC Selective,Megger LTW315-EU-BS Loop Impendance Tester, Loop Impedance Test Type 2 Wire, 3 Wire 440V, RCD Test Type AC Selective,
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RS Stock No. 198-435
Brand Megger
Manufacturers Part No. LTW315-EU-BS

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Megger
Earth Loop Impedance Tester
-
2 Wire, 3 Wire
440V
AC Selective
-
±10%
4A
CAT IV 300 V, IEC 61010
Battery
1000g
-10°C
CAT IV
LTW315
+50°C
203mm
78mm
148mm
Megger LRCD220 Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type AC Selective,
Megger LRCD220 Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type AC Selective,Megger LRCD220 Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type AC Selective,
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RS Stock No. 711-9013
Brand Megger
Manufacturers Part No. LRCD220

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Megger
Combined Loop & RCD Tester
UKAS
2 Wire
500V
AC Selective, DC Selective
Yes
±2%
10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000mA
CAT III 300 V, IEC 61010
Battery
980g
-5°C
CAT III
LRCD220
+40°C
203mm
78mm
148mm
Megger LRCD220 Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type AC Selective,
Megger LRCD220 Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type AC Selective,Megger LRCD220 Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type AC Selective,
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RS Stock No. 711-9022
Brand Megger
Manufacturers Part No. LRCD220

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Megger
Combined Loop & RCD Tester
RSCAL
2 Wire
500V
AC Selective, DC Selective
Yes
±2%
10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000mA
CAT III 300 V, IEC 61010
Battery
980g
-5°C
CAT III
LRCD220
+40°C
203mm
78mm
148mm
Megger LRCD220-FR Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type AC
Megger LRCD220-FR Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type ACMegger LRCD220-FR Loop Impedance & RCD Combined Tester, Loop Impedance Test Type 2 Wire 500V, RCD Test Type AC
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RS Stock No. 537-7923
Brand Megger
Manufacturers Part No. LRCD220-FR

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Megger
Combined Loop & RCD Tester
-
2 Wire
500V
AC Selective, DC Selective
Yes
±2%
10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000mA
CAT III 300 V, IEC 61010
Battery
980g
-5°C
CAT III
LRCD220
+40°C
203mm
203mm
148mm
Megger LT300 Loop Impendance Tester, Loop Impedance Test Type 2 Wire 550V CAT IV RS Calibration
Megger LT300 Loop Impendance Tester, Loop Impedance Test Type 2 Wire 550V CAT IV RS CalibrationMegger LT300 Loop Impendance Tester, Loop Impedance Test Type 2 Wire 550V CAT IV RS Calibration
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RS Stock No. 536-9219
Brand Megger
Manufacturers Part No. LT300

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Megger
Earth Loop Impedance Tester
RSCAL
2 Wire
550V
-
-
±5%
-
CAT IV 300V
Battery
980g
-10°C
CAT IV
LT300
+60°C
203mm
78mm
148mm