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English ........................12 Vous venez d’acquérir une pince ampèremétrique D37N ou D37N-EA et nous vous remercions de votre confiance. Pour obtenir le meilleur service de votre appareil : lisez attentivement cette notice de fonctionnement, respectez les précautions d’emploi.
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ENGLISH 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.
They are equipped with output via ∅ 4mm female safety sockets identified as S1 and S2 (S1 is the red socket). The D37N‑EA clamp is calibrated and specified only at a frequency of 4 Hz with the 30 A range for specific fault‑current applications.
As far as possible, keep away from other conductors which could generate spurious fields. Read the measurement on the instrument and apply the reading coefficient to the measurement in V Clamp Coefficient D37N 30 A range 100 mV / A...
3. SPECIFICATIONS 3.1. CONDITIONS OF REFERENCE Influencing 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...
3.3. ENVIRONMENTAL CONDITIONS The instrument must be used in the following conditions: % RH 1: Reference range 2: Operating range 3: Storage range °C -30 -20 Indoor use. Degree of pollution: 2. Altitude: < 2,000 m. 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...
3.8. CONSTRUCTION SPECIFICATIONS Dimensions: 310 x 120 x 48 mm Opening: approx. 90 mm Weight: approx. 1,200 g. Protection rating: IP 20 as per IEC 60529 3.9. COMPLIANCE WITH INTERNATIONAL STANDARDS The instrument complies with the IEC 61010‑2‑032 standard for type‑A sensors. Double insulation.
4. MAINTENANCE The instrument contains no parts that can be replaced by personnel who have not been specially trained and accredited. Any unauthorized repair or replacement of a part by an “equivalent” may seriously impair safety. 4.1. CLEANING Disconnect the instrument completely. Use a soft cloth, dampened with soapy water.