Страница 1: ...SDUCERS INSTRUCTIONS FOR USE CWT Mini MiniHF POWER ELECTRONIC MEASUREMENTS Ltd Tel 44 115 946 9657 Fax 44 115 946 8515 Email info pemuk com Web www pemuk com www pemuk com Nov 2017 주 바이텍 www buytek co kr Mail sales buytek co kr Tel 043 267 9600 ax 043 267 9601 F ...
Страница 2: ...nsure safe operation of this unit These warnings are identified by the following symbol A The intended use is for the measurement of AC current PEM accepts no responsibility for any damage resulting from careless use or failure to observe these instructions TECHNICAL SPECIFICATION Peak Current Refer to ID Label Peak Output Voltage 6V corresponding to Peak Current Rating Output Cable 0 5m BNC to BN...
Страница 3: ... Cat III 600V Operation with External Adaptor DC Supply Voltage 12Vdc 10 DC Quiescent Current 60mA 12VDC B version standard alkali battery supplied CWT 130mA 12VDC R version NiMH Rechargeable battery CWT DC Socket Type 1 3mm Jack Socket Centre Positive Tip The unit should only be powered by the supplied mains adaptor Adaptor Supply Voltage 100 240VAC Adaptor Supply Frequency 50 60Hz Adaptor Supply...
Страница 4: ...s Releasing The Coil The free end of the coil is unclipped by applying gentle pressure in the direction shown OPEN IN THIS DIRECTION Correct Coil Insertion The coil is correctly positioned when the free end of the coil is fully inserted into the ferrule When correctly inserted the ferrule will grip the coil and hold it securely Never force the free end of the coil into the ferrule This may damage ...
Страница 5: ... should be situated such that corona which will eventually damage the coil insulation cannot occur For information regarding permanent installation of PEM s Rogowski coils on high voltage equipment please consult PEM A The user must ensure that the absolute maximum rated di dt is not exceeded THE INTEGRATOR 分 The CWT must only be used with oscilloscopes or monitoring equipment which have their BNC...
Страница 6: ...y performance the centre of the current should lie on the line shown A to B where B is half way around the circumference of the coil SENSITIVITY TO EXTERNAL CURRENTS AND VOLTAGES The sensitivity of the CWT to currents that are outside the closed loop of the Rogowski coil is very small provided that the external currents are less than the current rating of the unit or that such currents are relativ...
Страница 7: ...easurements Ltd In the event of a defect where the transducer has not been misused the CWT should be returned to PEM with all freight charges to be paid by the customer Correction shall be in the form of repair or replacement RETURNING YOUR CWT FOR RECALIBRATION OR REPAIR To return the CWT to PEM for repair or recalibration please contact PEM in advance for shipping instructions refer to www pemuk...
