ETS-Lindgren HI-3702 User Manual Download

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Model HI-3702

Clamp-On Induced

Current Meter

User Manual

Summary of Contents for HI-3702

Page 1: ...Model HI 3702 Clamp On Induced Current Meter User Manual ...

Page 2: ...opyright 1995 2009 by ETS Lindgren L P All Rights Reserved No part of this document may be copied by any means without written permission from ETS Lindgren L P Trademarks used in this document The ETS Lindgren logo is a trademark of ETS Lindgren L P Revision Record HI 3702 MANUAL Part H 600070 Rev G Revision Description Date Initial Release November 1995 A Updates May 1996 B Update battery charger...

Page 3: ...t and Optional Parts 11 Service Procedures 12 3 0 Ranges and Specifications 13 Ranges 13 Specifications 13 HI 3702 Typical Frequency Response 15 4 0 Operation 17 Computer Controlled Data Logging 20 Battery Charging 20 Error Codes 21 5 0 Functional Theory of Operation 23 Appendix A Warranty 25 Appendix B Series H 491198 36 Battery Charger 27 Safety Precautions 27 Introduction 27 Charging a Battery ...

Page 4: ...iv Appendix C EC Declaration of Conformity 33 HI 3702 Clamp On Induced Current Meter 33 Series H 491198 36 Battery Charger 34 ...

Page 5: ... Lindgren Product Information Bulletin for safety regulatory and other product marking information General Safety Considerations Warning This is a Safety Class I product provided with a protective earthing ground incorporated in the power cord The mains plus shall only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or out...

Page 6: ... connected to an appropriate power line outlet this cable grounds the instrument cabinet Warning No operator serviceable parts exist inside Refer servicing to qualified personnel To prevent electrical shock do not remove covers Warning The battery charger incorporates parts such as a switch and relay that potentially could produce sparks or arcs Warning For indoor use only do not expose to rain Se...

Page 7: ...ensor HI 4416 Digital Readout Control Unit IEEE C95 1 1991 defines the acceptable levels of RF induced body current for the frequency range of 3 kHz to 100 MHz The acceptable levels range from 3 mA for uncontrolled exposures at 3 kHz to 200 mA for controlled exposures between 100 kHz and 100 MHz The accuracy of the HI 3702 provides a means for determining compliance The unit is completely portable...

Page 8: ... Belt Pac Readout Control Unit Case HI 4413P Fiber Optic Modem ETS Lindgren Product Information Bulletin See the ETS Lindgren Product Information Bulletin included with your shipment for the following Warranty information Safety regulatory and other product marking information Steps to receive your shipment Steps to return a component for service ETS Lindgren calibration service ETS Lindgren conta...

Page 9: ...ETS Lindgren Customer Service Take care to keep dirt and moisture from getting inside the housing of the HI 3702 Clamp on Induced Current Meter and on the coplanar surfaces of the ferrite core that are exposed when the clamp on sensor is open The cushioned case provides only minimal protection to the clamp on sensor in keeping dirt or other particulate matter from entering the gap on the inner sid...

Page 10: ...ibration on page 10 For the steps to charge the battery see page 20 In case of damage to the battery that causes premature failure the HI 3702 must be sent to ETS Lindgren for battery replacement replacement in the field is not possible See Service Procedures on page 11 for information on returning the HI 3702 to ETS Lindgren for service Annual Calibration See the Product Information Bulletin incl...

Page 11: ...pressed air Failure to perform these tasks may result in damage to the fiber optic connectors or cables Replacement and Optional Parts Following are the part numbers for ordering replacement or optional parts for the HI 3702 Part Description Part Number HI 3702 Cushioned Case H 51560044 HI 3702 Fitted Carrying Case H 491132 HI 4416 Digital Readout Control Unit HI 4416 Fiber Optic Cable 2 meter H 4...

Page 12: ...12 Maintenance Service Procedures For the steps to return a system or system component to ETS Lindgren for service see the Product Information Bulletin included with your shipment ...

Page 13: ... Specifications Typical Frequency Response 9 kHz 70 MHz 2 0 dB Linearity 0 5 dB At lower levels the linearity for Range 1 deviates within 0 5 dB due to noise The remaining ranges follow the ideal curve as shown for Range 2 in Typical Frequency Response on page 15 Fiber Optic Connectors Standard FSMA Fiber Optic Cable 200 micron Graded Index Multimode Max Length 1 Km Readout HI 4416 Digital Readout...

Page 14: ...eadout Control Unit 0 42 kg 14 8 oz Cushioned Case 0 085 kg 3 0 oz Fiber Optic Cable 0 071 kg 2 5 oz Battery Battery Charger Battery 3 6 VDC 1400 mAH rechargeable nickel cadmium NiCd Battery Charger 115 230 VAC approximately one hour Battery Life Approximately 5 hours of continuous operation per full charge Environmental Humidity 5 to 95 relative humidity non condensing Operating Temperature 10 C ...

Page 15: ...Ranges and Specifications 15 HI 3702 Typical Frequency Response ...

Page 16: ...16 Ranges and Specifications This page intentionally left blank ...

Page 17: ...ry Before taking any measurements charge the battery to maximum capacity For the steps to charge the battery see page 20 The nickel cadmium NiCd battery installed in the HI 3702 Clamp on Induced Current Meter was charged prior to shipment however NiCd batteries can self discharge to nearly zero capacity after two months The battery charger requires approximately one hour to charge the battery to m...

Page 18: ...o range scroll through the ranges until Range A appears on the screen When auto range is enabled the probe will scroll up to the next higher range when the reading displayed exceeds full scale The probe will scroll down to the next lower range when the reading displayed is 14 dB 20 of the full scale reading for the current range This will put the reading at approximately 2 3 of full scale of the n...

Page 19: ...the new value and then recalculates the average and sends the new average value to the display 7 Attach the clamp on current sensor Place the clamp on current sensor on the arm or leg of the body under test and close the buckle For accurate measurements verify that nothing interferes with complete closure of the clamp on current sensor Make sure no clothing is caught between the coplanar surfaces ...

Page 20: ... the HI 3702 to the HI 4413P Fiber Optic Modem This provides direct input of HI 3702 data into a personal computer or other data logging device Battery Charging Never attempt to recharge a non rechargeable battery If the battery has been through its normal life span of approximately 1000 charge discharge cycles return the HI 3702 to ETS Lindgren for battery replacement and recalibration For more i...

Page 21: ...r from the AC outlet 6 Use the HI 4416 to verify that the battery is charged to approximately 3 8 VDC See Series H 491198 36 Battery Charger on page 27 for complete information on the battery charger Error Codes If an error occurs the probe will respond with one of the following strings These strings begin with a colon and end with a carriage return E01 Communication error for example overflow E02...

Page 22: ...22 Operation This page intentionally left blank ...

Page 23: ...l unit does not perturb the measured RF field or the current distributions The sensor is a ferrite split core current transformer The signal generated by the sensor is amplified by 10 dB to 50 dB depending on the range that is selected There is 20 dB of linearity for each range This signal is applied to a True RMS Thermal RMS to DC Converter The DC voltage output of the True RMS Thermal RMS to DC ...

Page 24: ...24 Functional Theory of Operation This page intentionally left blank ...

Page 25: ... Lindgren warranty for your HI 3702 DURATION OF WARRANTIES FOR HI 3702 All product warranties except the warranty of title and all remedies for warranty failures are limited to one year Product Warranted Duration of Warranty Period HI 3702 Clamp on Induced Current Meter 1 Year Series H 491198 36 Battery Charger 1 Year ...

Page 26: ...26 Warranty This page intentionally left blank ...

Page 27: ...harger uses a dV dT negative delta V technique to determine when the battery is fully charged which is typically one hour With this technique the charge state of the battery has no effect other than shortening the charge time Housed in a rugged enclosure power enters the battery charger through a power entry module which contains the fuses or an optional cigarette lighter plug adapter The front fa...

Page 28: ...ger does not detect a battery PENDING amber Indicates the battery charger detects a battery Before fast charging can begin the battery voltage must fall within predetermined acceptable limits A pulse trickle charge is provided to bring a depleted battery to a valid charge prior to fast charge CHARGING amber Indicates the voltage pre qualification condition has been met and fast charge has started ...

Page 29: ...mm power plug adapter cord 12 5 Vdc 100 mA Fuses 250 Volt 1 0 Amp Type T 5 mm x 20 mm Output Open Circuit Voltage 15 Vdc Fast Charge Pending Current 60 mA Fast Charge Current 1400 mA Pulsed Trickle Charge Current 50 mA Output Voltage During Fast Charge 3 6 Vdc Battery NiCd Battery 3 6 Volt 3 Cell NiCd Battery 1400 mAH rapid charge cells 1 2 Volts cell ETS Lindgren Part 491038 ...

Page 30: ...G THE FUSE Disconnect the battery charger from power before replacing a fuse If the battery charger fails to operate check for a blown fuse inside the power entry module A blown fuse must be replaced with the same value and type of fuse or an unsafe condition may result Use only 250 Volt 1 0 Amp Type T 5 mm x 20 mm fuses To replace a fuse 1 Two fuses are located in the fuse drawer in the power inp...

Page 31: ...Series H 491198 36 Battery Charger 31 3 Replace the blown fuse with the spare fuse 4 Slide the fuse drawer back into the module Make sure that the drawer snaps securely into its locked position ...

Page 32: ...32 Series H 491198 36 Battery Charger This page intentionally left blank ...

Page 33: ...EC Declaration of Conformity 33 Appendix C EC Declaration of Conformity HI 3702 CLAMP ON INDUCED CURRENT METER ...

Page 34: ...34 EC Declaration of Conformity SERIES H 491198 36 BATTERY CHARGER ...

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