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1.1 DELIVERY CONDITION
Each D clamp is delivered in a cardboard box with a user's manual and a veri cation certi cate.
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
powering down the installation.
The shape of the D clamps makes it easy to enclose busbars carrying the current to be measured.
With a maximum jaw opening of 90 mm, the clamp can be used on cables up to 64 mm in diameter or
on various types of busbars: 5 busbars of 125 mm x 5 mm or 3 busbars of 100 mm x 10 mm, with the
spacing between the busbars equal to their thickness.
These D clamps are used in combination with multimeters, recorders, wattmeters, energy analysers or
any other instrument with an AC current measurement input and the appropriate range.
Clamp
D37N and D37N‑EA
These clamps can withstand a 20
They are equipped with output via ∅ 4mm female safety sockets identi ed as S1 and S2 (S1 is the red
socket).
The D37N‑EA clamp is calibrated and speci ed only at a frequency of 4 Hz with the 30 A
speci c fault‑current applications.
1. PRESENTATION
Output
3 V
ac
overload on all the ranges.
14
Range (A
)
ac
30 ‑ 300 ‑ 3 000
range for
ac
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