User Manual ISOVP-L Medium Voltage Fiber Isolated Voltage Probe
Revision 0
BR-ISOVPL-Rev 0.
www.saker-mv.com
Page 1: ...User Manual ISOVP L Medium Voltage Fiber Isolated Voltage Probe Revision 0 BR ISOVPL Rev 0 www saker mv com ...
Page 2: ...ong coaxial measuring cables The ISOVP L probe was designed to minimize input capacitance as this is what hurts most high frequency measurements Most high end oscilloscopes feature proprietary input connectors that force the user to choose among the supplied accessories of the scope ISOVP probe can be used in any 50Ω terminated oscilloscope This gives developers freedom to use their favourite digi...
Page 3: ...obe can be floated at very high voltages please consider all clearances before making any measurements Do not open the probe head or receiver they do not contain user serviceable parts inside Fiber cables can break if bent at sharp angles take care not to trip over the fiber cable that joins both receiver and probe head The unit contains electrooptical components do not shock or drop the probe ont...
Page 4: ...e 0 65 ºC Operating temperature receiver 0 50 ºC ESD EMI standards IEC61000 4 2 61000 4 3 CE certification GPSD 2001 95 EC EMC Directive 2014 30 EU RoHS2 2011 65 EU 1 Specs for 175MHz and 75MHz model 2 3dB 25Ω source 3 See user manual for more details 4 Normalized to 1V input range 5 Disconnect input signal first 6 Tested with VARTA Longlife Max Power ISOVP Specification Units Bandwidth minimum 1 ...
Page 5: ... termination an optional BNC terminator code ISOVPTERM can be supplied A bandwidth of at least 300MHz is recommended Also modern digital scopes do have a useful Hi Res mode that can lower the measurement noise substantially Read the document ISOVP Probe Measurements Guide The same can be said about the scope ADC resolution ISOVP PROBE CONTENTS Each package contents must include Carrying case ISOVP...
Page 6: ...rovided by the measured circuit Do not use the probe for measurements on mains circuits This probe and its attenuators are not CAT rated for use on these types of circuits according to definitions of IEC EN 61010 031 The accessories provided by Saker for connecting the probe head to the DUT are compatible with the touch protected SMB connector in the probe Please refer to the accessories list RECE...
Page 7: ...llows 1 Place and secure the probe head 2 Connect the probe head to the DUT using the appropriate attenuator 3 Connect the receiver to the oscilloscope 4 Turn on the probe head and receiver 5 Press the Offset Cal key in the receiver Power on the DUT 6 Take measurements as needed OPERATION TURNING ON Ω BR ISOVPL Rev 0 www saker mv com Do not touch the sensor head or attenuator cable and connectors ...
Page 8: ...hem especially when kinks or knots are present Also do not remove or bend the protective fiber optic cable boots since these protect the connectors from dust and maintain the necessary alignment for proper accuracy CALIBRATION Calibration is needed to adjust the analog parameters of the fiber optic link and correct for offsets and temperature drifts in each unit Every time the Offset adj button is...
Page 9: ... led blinks BATTERY REPLACEMENT The probe head unit uses standard 1 5V AA batteries To replace the batteries open the back cover of the unit Follow the polarity sign to replace the batteries and close the cover afterwards CARE AND MAINTENANCE Clean only the exterior surfaces of the device using a soft cloth moistened with an alcoholic water solution Do not use harsh chemicals solvents or abrasive ...
Page 10: ...e power supply or precision voltage source Banana to BNC cable Pomona 4531 or similar BNC SMB adapter Amphenol 242185 or similar BNC BNC cable Caltest CT2942 or similar 50 Ohm terminator Pomona 3285 and Amphenol 202104 BNC to banana Jack adapter Caltest CT2939 or similar CODE Description ISOVP L10 x ISOVP L probe 75MHz with 1m BNC output cable SMB unterminated coax cable 2xAA batteries tripod adju...
Page 11: ... the ISOVP L to the multimeter using the 50Ohm terminator and the BNC to jack adapter 5 Turn on the receiver and press the Offset adjust button in the ISOVP L receiver before taking each measurement 6 Take 3 measurements and calculate the mean of all 3 offsets as follows Total offset error abs Voffset 1 abs Voffset 2 abs Voffset 3 3 Model Serial Calibration date BENCH MULTIMETER POWER SUPPLY VOLTA...
Page 12: ...to the probe head with the BNC SMB adapter 7 Take a measurement and repeat steps 5 7 to take another measurement then calculate the mean of all 3 voltages as follows Average measurement V 1 V 2 V 3 3 Take the value of the source voltage divided by 10 and the measurement average to calculate the overall error DC error CERTIFICATIONS The ISOVP L probe complies with EC Directive 2014 30 EU for Electr...
Page 13: ...ed Emissions 30 1000 MHz Class B Electromagnetic Immunity IEC EN 61000 4 2 2010 Electrostatic Discharge 4 kV contact 8 kV air IEC EN 61000 4 3 2007 RF Radiated Electromagnetic Field 10 V m 80 1000 MHz 10 V m 1400 MHz 2700 MHz 3 V m 2 GHz 2 7 GHz For safety compliance the product meets the IEC 61010 1 2017 Ed and General Product Safety Directive GPSD 2001 95 EC The product and its accessories confo...
