Chauvin Arnoux D37N Manuel utilisateur
GB - User’s manual
D37N et D37N-EA
北京海洋兴业科技股份有限公司（证券代码：839145）
电话：010-62176775
网址：www.hyxyyq.com
2
English ....................................................................................................................... 12
Vous venez d’acquérir une pince ampèremétrique D37N ou D37N-EA et nous vous remercions de
votre conance.
Pour obtenir le meilleur service de votre appareil :
lisez attentivement cette notice de fonctionnement,
respectez les précautions d’emploi.
ATTENTION, risque de DANGER ! L’opérateur doit consulter la présente notice à chaque fois
que ce symbole de danger est rencontré.
Appareil protégé par une isolation double.
Application ou retrait autorisé sur les conducteurs sous tension dangereuse. Capteur de courant
de type A selon IEC 61010‑2‑032.
Information ou astuce utile.
Sens du courant.
Courant alternatif
Le marquage CE indique la conformité aux directives européennes , notamment DBT et CEM.
La poubelle barrée signie que, dans l’Union Européenne, le produit fait l’objet d’une collecte
sélective conformément à la directive DEEE 2002/96/EC : ce matériel ne doit pas être traité
comme un déchet ménager.
Dénition des catégories de mesure
La catégorie de mesure IV correspond aux mesurages réalisés à la source de l’installation basse
tension.
Exemple : arrivée d’énergie, compteurs et dispositifs de protection.
La catégorie de mesure III correspond aux mesurages réalisés dans l’installation du bâtiment.
Exemple : tableau de distribution, disjoncteurs, machines ou appareils industriels xes.
La catégorie de mesure II correspond aux mesurages réalisés sur les circuits directement branchés
à l’installation basse tension.
Exemple : alimentation d’appareils électrodomestiques et d’outillage portable.
北京海洋兴业科技股份有限公司（证券代码：839145）
电话：010-62176775
网址：www.hyxyyq.com
12
Thank you for purchasing a D37N or D37N-EA current clamp.
For best results from your instrument:
read this manual carefully,
comply with the precautions for use.
WARNING, DANGER! The operator should refer to this user’s manual whenever this danger
symbol appears.
Equipment protected by double insulation.
Application or withdrawal authorized on bare conductors carrying dangerous voltages. Type A
current sensor as per IEC 61010‑2‑032.
Useful information or tip.
Direction of current.
Alternating current
The CE marking indicates conformity with European directives, in particular LVD and EMC.
The rubbish bin with a line through it indicates that, in the European Union, the product must
undergo selective disposal in compliance with Directive WEEE 2002/96/EC. This equipment
must not be treated as household waste.
Denitions of the measurement categories
Measurement category IV corresponds to measurements taken at the source of low‑voltage installations.
Example: power feeders, meters and protection devices.
Measurement category III corresponds to measurements on building installations.
Example: distribution panel, circuit‑breakers, machines or xed industrial devices.
Measurement category II corresponds to measurements taken on circuits directly connected to low‑
voltage installations.
Example: power supply to domestic electrical appliances and portable tools.
ENGLISH
北京海洋兴业科技股份有限公司（证券代码：839145）
电话：010-62176775
网址：www.hyxyyq.com
13
PRECAUTIONS FOR USE
This device is compliant with safety standard IEC 61010‑2‑032, for voltages up to 600 V in category III
or 300 V in category IV.
Failure to observe the safety instructions may result in electric shock, re, explosion, or destruction of
the instrument and of the installations.
The operator and/or the responsible authority must carefully read and clearly understand the various
precautions to be taken in use. Sound knowledge and a keen awareness of electrical hazards are
essential when using this instrument.
If you use this instrument other than as specied, the protection it provides may be compromised,
thereby endangering you.
Do not use the instrument on networks of which the voltage or category exceeds those mentioned.
Do not use the instrument above the frequency indicated.
Do not use the instrument if it seems to be damaged, incomplete, or poorly closed.
Before each use, check the condition of the insulation on the leads, housing, and accessories. Any
item of which the insulation is deteriorated (even partially) must be set aside for repair or scrapping.
When applying or withdrawing the sensor on uninsulated conductors carrying a dangerous current,
suitable safety equipment must be used.
If it is not possible to power down the installation, adopt safe operating procedures and use suitable
protective equipment.
Keep your ngers behind the physical guard.
The clamp must always be connected to a measuring instrument before clamping a conductor.
Withdraw the clamp from the conductor before changing the range.
Do not leave the clamp in places which are humid or exposed to running water.
All troubleshooting and metrological checks must be performed by competent and accredited personnel.
CONTENTS
1. PRESENTATION.......................................14
1.1 Delivery condition ...........................14
1.2. General information .......................14
1.3. Front view ......................................15
2. OPERATION .............................................16
3. SPECIFICATIONS.....................................17
3.1. Conditions of reference .................17
3.2. D37N and D37N‑EA clamp ............18
3.3. Environmental conditions ..............19
3.8. Construction specications ............20
3.9. Compliance with international
standards .......................................20
3.10. Electromagnetic compatibility
(EMC) ..........................................20
4. MAINTENANCE........................................21
4.1. Cleaning ........................................21
5. WARRANTY .............................................21
北京海洋兴业科技股份有限公司（证券代码：839145）
电话：010-62176775
网址：www.hyxyyq.com
14
1. PRESENTATION
1.1 DELIVERY CONDITION
Each D clamp is delivered in a cardboard box with a user’s manual and a verication certicate.
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 Output Range (Aac)
D37N and D37N‑EA 3 Vac 30 ‑ 300 ‑ 3 000
These clamps can withstand a 20% overload on all the ranges.
They are equipped with output via ∅ 4mm female safety sockets identied as S1 and S2 (S1 is the red
socket).
The D37N‑EA clamp is calibrated and specied only at a frequency of 4 Hz with the 30 Aac range for
specic fault‑current applications.
北京海洋兴业科技股份有限公司（证券代码：839145）
电话：010-62176775
网址：www.hyxyyq.com
15
Jaws.
Guards.
Arms.
Parts gripped.
Output sockets.
1.3. FRONT VIEW
Slider switch.
Centring references.
北京海洋兴业科技股份有限公司（证券代码：839145）
电话：010-62176775
网址：www.hyxyyq.com
16
2. OPERATION
Set the switch to the highest range.
Connect the clamp to the measuring instrument.
If it is not possible to power down the installation, the clamp must be set up and withdrawn in
strict compliance with the applicable safety instructions.
The clamp must always be connected to a measuring instrument before enclosing a conductor.
Open the clamp’s jaws by bringing the arms closer together. Enclose the conductor(s) carrying the
current to be measured. Close the jaws by lightly clicking them together.
For optimum measurement quality, centre the conductor as precisely as possible in the middle
of the jaws. Make sure the conductor is perpendicular to the jaws.
As far as possible, keep away from other conductors which could generate spurious elds.
Read the measurement on the instrument and apply the reading coefcient to the measurement in Vac.
Clamp Coefcient
D37N
D37N‑EA
30 Aac range 100 mV / A x 100
300 Aac range 10 mV / A x 10
3,000 Aac range 1 mV / A x 1
If necessary, withdraw the clamp from the conductor, change the range and then reposition on the
conductor.
When you have nished measuring, remove the clamp from the conductor and then disconnect the
measuring instrument.
北京海洋兴业科技股份有限公司（证券代码：839145）
电话：010-62176775
网址：www.hyxyyq.com
17
3. SPECIFICATIONS
3.1. CONDITIONS OF REFERENCE
Inuencing quantity Reference value
Temperature 23 ± 3 °C
Relative humidity 0 to 85 % RH
Frequency of signal measured 48 to 65 Hz
Type of signal sinusoidal without DC component
Adjacent current‑carrying conductor none
Conductor position in jaws centred
External electric eld none
External DC magnetic eld (terrestrial magnetic eld) < 40 A/m
External AC magnetic eld none
Input impedance of measuring instrument 1 MW
The intrinsic uncertainty is the error dened in the conditions of reference.
Uncertainties are expressed as a percentage of the reading (%R) on the measuring instrument.
The uncertainties indicated are those of the clamps. To nd out the total uncertainty, you must
add on the uncertainty of the measuring instrument.
北京海洋兴业科技股份有限公司（证券代码：839145）
电话：010-62176775
网址：www.hyxyyq.com
18
3.2. D37N AND D37N-EA CLAMP
Clamp D37N-EA D37N D37N and D37N-EA
Range 30 Aac 30 Aac 300 Aac 3,000 Aac
Measurement range 100 mA to 36 Arms 1 to 360 Arms 1 to 3,600 Arms
Intrinsic uncertainty 5 %R + 10 mV
at 4 Hz 2 %R + 10 mV 2 %R + 2 mV 2 %R + 0.5 mV
Phase shift
15° for 1,5 A
7° for 6 A
5° for 30 A
5° for 36 A
3° for 15 A
1.5° for 60 A
1° for 300 A
1° for 360 A
1.5° for 150 A
1° for 600 A
0.5° for 3,000 A
0.5° for 3,600A
Max peak current 90 A 900 A 9,000 A
Inuence of temperature < 0.1% / 10 °C
Influence of an adjacent
current-carrying conductor 0.005 A / Aac
Influence of conductor
position 1.5 %
Inuence of frequency from
30 to 5,000 Hz 6 % 6 % 5 %
Duration of use permanent permanent
from 1 to 2,000 A permanent
from 2,000 to 2,400 A
permanent with ambient
temp. < 40 °C
from 2,400 to 2,800 A
10 min ‑ 30 min off
from 2,800 to 3,200 A
5 min ‑ 30 min off
北京海洋兴业科技股份有限公司（证券代码：839145）
电话：010-62176775
网址：www.hyxyyq.com
19
3.3. ENVIRONMENTAL CONDITIONS
The instrument must be used in the following conditions:
% RH
90
20
10
-40 50
°C
-10
-30 -20 4010 30200 60 8070
50
40
30
0
60
80
70
100
90
3 32 2
1
Indoor use.
Degree of pollution: 2.
Altitude: < 2,000 m.
1: Reference range
2: Operating range
3: Storage range
北京海洋兴业科技股份有限公司（证券代码：839145）
电话：010-62176775
网址：www.hyxyyq.com
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