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Summary of Contents for Sanwa PDR302
- Page 1 PDR302 EARTH RESISTANCE METER 取扱説明書 INSTRUCTION MANUAL...
- Page 2 CONTENTS [1] Warning Instruction for safe use ………………………… 15 [2] INTRODUCTION ……………………………………………… 16 [3] PANEL ARRANGEMENT AND ACCESSORIES ………… 17 [4] OPERATION …………………………………………………… 18 1. Arrangement of Auxiliary Earth Bars and Connections … 18 2. Measurement of Earth Resistance Using the Tripolar System ………………………………………………………...
- Page 3 [1] Warning Instruction for safe use (80 % — 1 — − 15 −...
- Page 4 [2] INTRODUCTION The Sanwa PDR302 Earth Resistance Meter is just the device to satisfy these requirements as it features solid-state circuitry and automatic direct reading of earth resistance using a battery- powered constant-current system. Some of the main benefits and advantages of the PDR302 include: 1.5 V...
- Page 5 [3] PANEL ARRANGEMENT AND ACCESSORIES ⑲ Black ⑭ Blue ⑮ ⑯ ⑰ ⑱ Meter (indicator) terminal (for auxiliary grounding) Pointer terminal (for auxiliary grounding) Zero adjuster Panel Earth resistance scale Rear case (0∼10 Ω ), black E-terminal connection cord (black), AC voltage scale approx.
- Page 6 [4] OPERATION 1. Arrangement of Auxiliary Earth Bars and Connections 4.5 V 10 m 10 m 10 Ω 10 ｍ 10 ｍ ∼ ∼ 5 ｍ WARNING Take extra care not to drop the earth bars or pierce anything with them when carrying them or inserting them into the ground.
- Page 7 2. Measurement of Earth Resistance Using the Tripolar System WARNING Make sure that the object being measured — an electric appliance, for example — is properly grounded. If the object is improperly grounded or not grounded, commercial voltage may leak into or be applied to the object.
- Page 8 Earth resistance to be measured: Rx Rx = R – rE Connect to a point with known earth resistance terminal connection cord (red) Meter reading R Fig.3 4. Measurement of Leakage Voltage Using the ACV WARNINGS 1. Never attempt to supply voltage over 30 V — the maximum allowable voltage —...
- Page 9 3 mm 2. Unfasten the screw from the battery compartment cover on the back of the unit. While pressing the rectangular protrusion in the center of the cover as shown in Fig.4 Ⓐ , slide it down to remove it. Insert new batteries and align them according to the battery directions shown in Fig.4 Ⓑ...
- Page 10 Alligator clips: 1 ea., black / blue / red (CL-302) Earth bars: 2 ea. (CL-ER) Carrying case: 1 (C-PDR302) Storage bag: 1 (C-302CB) Instruction manual: 1 11. Dimension and Mass 175 x 118 x 55 mm, Abt. 500 g(main unit)
- Page 11 保証書 PDR302 ご氏名 型 名 様 製造No. ご住所 この製品は厳密なる品質管理を経てお 届けするものです。 本保証書は所定項目をご記入の上保管 していただき、アフターサービスの際 ご提出ください。 ※本保証書は再発行はいたしませんの で大切に保管してください。 保証期間 本社 = 東京都千代田区外神田2−4−4 ・ 電波ビル ご購入日 年 月より 3 年間 郵便番号 = 101-0021・電話 = 東京 （03） 3253−4871 （ 代） 保証規定 保証期間中に正常な使用状態のもとで、万一故障が発生した場合には無償で修理いたし ます。ただし下記事項に該当する場合は無償修理の対象から除外いたします。 記 1. 取扱説明書と異なる不適当な取扱いまたは使用による故障...
- Page 13 本社 = 東京都千代田区外神田2−4−4･電波ビル 郵便番号 = 101-0021･電話 = 東京 （03） 3253−4871 （代） 大阪営業所 = 大阪市浪速区恵美須西2−7−2 郵便番号 = 556-0003･電話 = 大阪 （06） 6631−7361 （代） SANWA ELECTRIC INSTRUMENT CO.,LTD. Dempa Bldg,Sotokanda2-Chome Chiyoda-Ku,Tokyo,Japan 01-1405 2040 2040 植物油インキを使用しています。...
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I need the circuit for PDR 302 because it is broken. It doesn't work