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Summary of Contents for Fluke i50s
- Page 1 ® i50s Current Probe PSi50s Power Supply Users Manual PN 2842332 June 2007 © 2007 Fluke Corporation, All rights reserved. Printed in the Netherlands. All product names are trademarks of their respective companies.
- Page 2 Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price, free of charge repair, or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period.
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Page 3: Table Of Contents
Table of Contents Title Page Introduction ..................1 Safety Instructions ................2 Symbols ....................3 Probe Features ..................4 Probe Operating Instructions ..............5 Connections ..................5 Activating the Probe ................. 6 Current Measurement................ 7 Range Selection ................7 Auto Zero..................8 Degauss..................... - Page 4 Users Manual...
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Page 5: Introduction
Current Probe with oscilloscopes with floating inputs, i.e. oscilloscopes not referenced to ground. The i50s Current Probe (“the Probe”) has been designed for use with oscilloscopes for accurate, non-intrusive measurement of ac, dc and complex waveform currents. Using advanced Hall Effect technology the Probe can accurately measure currents over the frequency range of dc to 50 MHz with a measuring range up to 50 A peak. -
Page 6: Safety Instructions
If the Probe or Power Supply is not used in a manner specified by the manual, the protection provided may be impaired. • Use the Power Supply only with i50s Current Probes. • Do not use the Probe without consulting local and national safety codes and use of protection equipment is recommended. -
Page 7: Symbols
The table below lists the symbols used on the Probe and/or in this manual. Symbol Description Do not dispose of this product as unsorted municipal waste. Go to Fluke’s website for recycling information. Important Information. See manual. Hazardous Voltage. Risk of electric shock. Do not apply to or remove from hazardous, live conductors without taking addition protective measures. -
Page 8: Probe Features
BNC Connector Power Supply Connector Degauss Button Grounding Lead Auto Zero Button Ground Terminal LED Range Selection Button Probe Measuring Head Indicator for Overheating Tactile Barrier LED Indicator for Unlocked Probe Head Opening Probe Head Lever Figure 1. i50s Features... -
Page 9: Probe Operating Instructions
3. When measuring currents with fast voltage variations (high dv/dt) of the primary current, connect the ground terminal on the Probe to ground. Probe Head Cable i50s (Power Supply) Other Power Supply Probe Supply Cable Power Supply Adapter exi02f.eps... -
Page 10: Activating The Probe
Users Manual Activating the Probe There are two possibilities of supplying power to the Probe: 1. Use the recommended PSi50s Power Supply. 2. Use any suitable power supply and connect the power supply lead using the adapter provided (see Figure 2). -
Page 11: Current Measurement
Current Probe Probe Operating Instructions • High range (100 mV/A) is selected and the corresponding LED lights up. The Probe is now ready to measure current. Note Do not operate the Probe during the activation sequence. Current Measurement To measure current, clamp the Probe around the current carrying conductor and use the slide to ensure that the Probe head is locked (see Figure 3). -
Page 12: Auto Zero
Users Manual Auto Zero An auto zero of the residual offset is initiated by pressing the AUTO ZERO button. This should only be performed when the Probe head is locked, with no primary conductor. The auto zero can, however, be made as long as the sum of the primary current and the offset does not exceed: •... -
Page 13: Power Supply Operating Instructions
Current Probe Probe Operating Instructions • Simultaneous flashing of all LEDs All the LEDs flash simultaneously for five seconds when the auto zero has not been carried out correctly. Two reasons can cause this phenomenon: 1. The Probe is strongly magnetized 2. -
Page 14: Fuse Rating
Users Manual exi08f.eps Number Description Number Description Probe Power Supply Power Supply Connector Connector Power Indicator Grounding Terminal Input Voltage Selector Power Switch Switch Fuse Holder Figure 4. PSi50s Power Supply Fuse Rating The Power Supply is protected by a supplied mains fuse located on the back panel. -
Page 15: Maintenance
Current Probe Maintenance Maintenance W Caution To prevent damage to the Probe or Power Supply: Only trained and qualified staff should perform maintenance on the Probe. Use only authorized repair parts and all items must be reassembled to their factory-issued configuration. Cleaning W Caution To prevent damage to the Probe or Power Supply when... -
Page 16: Power Supply Fuse Replacement
Users Manual Power Supply Fuse Replacement XW Warning To avoid electric shock or personal injury, ensure that the Power Supply is disconnected from the mains supply and that the Probe(s) is disconnected before changing the fuse or opening the fuse compartment. -
Page 17: Specifications
Current Probe Specifications Specifications Probe The following lists the Probe specifications. Electrical Specifications Nominal current In ± 30 A dc or A rms Measuring range I max ±50 A pk (duration <10 sec) Output voltage Vo Low range 1 V/A 1 MΩ... -
Page 18: Dynamic Characteristics
Users Manual Dynamic Characteristics Bandwidth DC to 50 MHz (-3 dB) Frequency derating (see Figure 8) 10 A at 10 MHz Rise time, (10 % to 90 %) < 7ns Delay time < 25 ns Overshoot < 5 % of reading... -
Page 19: Power Supply
Current Probe Specifications Height 40.5 mm (1.59 in) Weight 400 grams (0.88 lbs) Output cable length 2 m (6.6 ft) Power Supply The following lists the specifications of the Power Supply. Electrical V ac Input: Input voltage V ac Bivoltage 115/230 V ac with manual selector On 115 V ac : 115 V ac nominal (103 V ac to 127 V ac) -
Page 20: Various
Users Manual Protection against short-circuits Rectangular characteristics * The indicated current values are valid for each output. It is possible to use the two outputs simultaneously. Various -25, +55 °C (-13 °F, +131 °F) Operating temperature -40, +85 °C (-40 °F, +185 °F) -
Page 21: Safety
Current Probe Specifications Safety The Probe and Power Supply conform to the latest directives concerning safety and electromagnetic compatibility. • European Low Voltage Directives 73/23/EEC and 93/68/EEC • European EMC Directives 89/336/EEC and 93/68/EEC Safety Standards IEC61010-1:2001. General Requirements. Safety requirements for electrical equipment for measurement, control and laboratory use. - Page 22 Users Manual Reference PR 50 Rise time: 2 ns Time base : 10 ns / div. exi04f.eps Figure 5. Step Response [dB] 1.00 0.00 -1.00 -2.00 -3.00 -4.00 -5.00 -6.00 0.01 0.10 1.00 10.00 100.00 Frequency [MHz] exi05f.eps Figure 6. Frequency Response...
- Page 23 Current Probe Specifications Probe head grounded [mOhms] 1000 0.01 0.001 1.00 10.00 100.00 Frequency [MHz] exi06f.eps Figure 7. Insertion Impedance Ipeak [A] 0.000 0.001 0.010 0.100 1.000 10.000 100.000 Frequency [MHz] exi07f.eps Figure 8. Frequency Derating...
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Page 24: Accessories
If it still fails to operate properly, pack securely using the original packing material (if available) and forward, postage paid, to the nearest Fluke Service Center. Include a brief description of the problem. Fluke assumes no responsibility for damage in transit.