Manual
18
1. PRESENTATION
1.1 DELIVERY CONDITION
EachDclampisdeliveredinacardboardboxwithauser’smanualandavericationcerticate.
For the accessories and spares, consult our web site:
www.chauvin‑arnoux.com
1.2. GENERAL INFORMATION
The D current clamps are designed to measure alternating currents without opening the circuits or
poweringdowntheinstallation.
TheshapeoftheDclampsmakesiteasytoenclosebusbarscarryingthecurrenttobemeasured.
Withamaximumjawopeningof90mm,theclampcanbeusedoncablesupto64mmindiameteror
onvarioustypesofbusbars:5busbarsof125mmx5mmor3busbarsof100mmx10mm,withthe
spacingbetweenthebusbarsequaltotheirthickness.
These D clamps are used in combination with multimeters, recorders, wattmeters, energy analysers or
anyotherinstrumentwithanACcurrentmeasurementinputandtheappropriaterange.
Clamp Output Range(A
ac
)
D30NandD30CN 1A
ac
3,000
D31N 1A
ac
500‑1,000‑1,500
D32N 1A
ac
1,000‑2,000‑3,000
D33N 5 A
ac
3,000
D34N 5 A
ac
500‑1,000‑1,500
D35N 5 A
ac
1,000‑2,000‑3,000
D36N 3A
ac
3,000
Theseclampscanwithstanda20overloadonalltheranges.
Allthemodelswith1or3A
ac
outputareequippedwithavoltagelimiter(42Vpeakifthesecondaryis
openedaccidentally).
Alltheseclamps(excepttheD30CN)areequippedwithoutputvia∅4mmfemalesafetysocketsidentied
asS1andS2(S1istheredsocket).
TheD30CNclampisequippedwithacableterminatedbytwo∅4mmmalesafetysockets.










