Printed in China
Страница 1: ...User s Manual 取扱説明書 2039 携帯用力率計 Portable Factor Meter IM 2039 01 2018 3 5 版 5th Edition March 2018 ...
Страница 2: ...f operation service and repair of this instrument Failure to comply with these precautions or with specific WARNINGS given elsewhere in this manual violates the safety standards of the design manufacture and intended use of the instrument YOKOGAWA assumes no liability for the customer s failure to comply with these requirements This manual is part of the product and contains important information ...
Страница 3: ...ath to personnel and damage to the instrument be sure to comply with the following Make sure that the source voltage is not alive before you attempt to connect the instrument to the circuit Once you have connected the instrument to the circuit tighten the terminals Never touch the terminals or plug holes when operating the instrument Never open the case or cover when operating the instrument In an...
Страница 4: ...Warranty The 2039 instruments are shipped only after stringent in house inspection Should the instrument suffer damage that is attributable to improper manufacture or an accident during transport contact the sales representative from which you purchased the product or your nearest YOKOGAWA sales office All products of YOKOGAWA are guaranteed for a period of one 1 year from the date of delivery YOK...
Страница 5: ...る際に用いられます なお 電圧端子は広範囲において同一端子が使用できます INTRODUCTION The 2039 Portable Power Factor Meter consists of a taut band suspension type DC ammeter and a phase discrimination transducer It is designed to measure the power factor of single phase power or balanced three phase power of commercial frequency in factories or laboratories ...
Страница 6: ...g 0 5 through 1 0 up to Lead 0 5 and a phase angle scale based on the angle formed between the line voltage and load current fundamental wave component where the phase angle is graduated by a total of 18 divisions over the range from Lag 90 through 0 up to Lead 90 Voltage Terminals These are used for the voltage connection In single phase connection short circuit the P2 and P3 terminals In three p...
Страница 7: ...er as possible 4 Before wiring any of these instruments carefully check the measuring range and polarities When wiring securely fasten the terminals When a large current needs to be measured use wire that is both thick enough and has sufficient current carrying capacity 5 Before measurement check that the pointer coincides exactly with the zero scale point If it does not turn the zero adjust screw...
Страница 8: ...e connection between the terminal and the 1 A or 5 A current terminals are reversed or that between the P1 terminal and terminals P2 and P3 the direction of the pointer s deflection will change to either the lag side or lead side the opposite of whichever direction it normally deflects The absolute value of the power factor will also be indicated within the specified accuracy d When using a curren...
Страница 9: ...he wiring connections of terminals P2 and P3 are reversed If the degree of the circuit s balance is a concern try reversing their connections to check the difference in the two readings If the readings are almost the same the circuit is balanced u v 1A 5A 1A 5A 1A 5A 電源 Power Source R S T Fig 2 4 負荷 Load Fig 2 6 Fig 2 5 電源 Power Source 負荷 Load k L K U V VT CT R S T U V VT v u 電源 Power Source 負荷 Lo...
Страница 10: ... become doubtful check several scale points and compare these readings with an instrument which has been properly calibrated If the accuracy of the instrument is found to differ from its rating recalibrate the instrument Ideally the instrument should be calibrated once or twice every three months though this depends on how frequently the instrument is used and the conditions under which it is oper...
Страница 11: ...ad 0 5 Effect of Voltage 1 5 for a voltage of 60 to 300 V Effect of Current 3 for a current of 20 to 200 of the rated current Effect of Self Heating 0 2 Effect of Temperature 0 5 for temperature changes of no more than 10 C Effect of External Magnetic Field Less than 0 9 at 400 A m Effect of Frequency 1 5 for a frequency of 45 to 65 Hz Effect of Distortion Current Within 3 at the maximum phase ang...
Страница 12: ...3 2262 00 コード Code 01 110 V 150 V 150 V 110 V 15 VA 15 VA 15 VA 220 440 2200 3300 V 15 30 50 75 V 100 200 300 500 V 3300 6600 V 二次 Secondary 定格負担 Burden 計器用変圧器 0 2級 Voltage Transformer 0 2 Note 1 The maximum line voltages are as follows 2241 3450 V 2242 6900 V 2244 2243 250 V Note 2 The instruments also have the following characteristics 2241 and 2242 Equipped with screw terminals for the 10 A 15 ...
Страница 13: ...Printed in China ...
