Gb - user’s manual d38n 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 d38n 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. Ap...
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, fire, explosion, or destruction of the instrument and of the installations....
14 1. Presentation 1.1 delivery condition each d clamp is delivered in a cardboard box with a user’s manual and a verification certificate. 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 c...
15 jaws. Guards. Arms. Parts gripped. Cable. 1.3. Front view slider switch. Centring references. Bnc socket. 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 If it is not possible to power down the installation, the clamp must be set up and withdrawn in strict compliance with the applicable safety instructions.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 measu...
17 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 cent...
18 3.2. D38n clamp clamp d38n range 30 a ac 300 a ac 3,000 a ac measurement range 1 to 90 apeak 1 to 900 apeak 1 to 9,000 apeak intrinsic uncertainty 2 %r + 1 mv 2 %r + 0,5 mv 2 %r + 0,2 mv phase shift 20° for 1,5 a 10° 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 36...
19 3.4. Environmental conditions the instrument must be used in the following conditions: % rh 90 20 10 -40 50 °c -10 -30 -20 40 10 30 20 0 60 80 70 50 40 30 0 60 80 70 100 90 3 3 2 2 1 indoor use. Degree of pollution: 2. Altitude: 1: reference range 2: operating range 3: storage range 3.3. Sine pea...
20 90 3.5. Construction specifications dimensions: 310 x 120 x 48 mm opening: approx. 90 mm Ø 4 mm cable 2 m long terminated by a bnc socket. 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 61010‑2‑0...
21 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 clo...
