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N2893A 100 MHz Current Probe User’s Guide

N2893A Probe

Table 3

Power Supply Characteristics

Item

Characteristics

DC supply Voltage Requirements

±12Vdc ±1V

Probe Power Consumption

Increases with measured current. 3 VA when measuring 15A

Table 4

Mechanical Characteristics

Item

Characteristics

Maximum Cable Diameter

5 mm (0.2 inch)

Sensor Cable Length

1.5 m (59 inches)

Dimensions (Sensor)

175 mm x 18 mm x 40 mm

6.89 in. x 0.71 in. x 1.6 in.

Dimensions (Terminator)

28 mm x 81 mm x 24 mm

1.1 in. x 3.2 in. x 0.94 in

Weight

210 g (7.4 oz.)

Accessories Supplied

Storage case, calibration certificate

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Содержание N2893A

Страница 1: ...Keysight N2893A 100 MHz Current Probe User s Guide ...

Страница 2: ...s embodied in its End User License Agreement EULA a copy of which can be found at http www key sight com find sweula The license set forth in the EULA represents the exclusive authority by which the U S government may use modify distribute or disclose the Soft ware The EULA and the license set forth therein does not require or permit among other things that Keysight 1 Furnish tech nical informatio...

Страница 3: ...ng Measurements 11 Obtaining the Best Measurement Accuracy 12 Demagnetization and Zero Offset 14 Protecting the Probe Against Damage Resulting from Excessive Input 15 Built in Safety Function 15 Performance Verification for N2893A 17 Procedure 17 Characteristics and Specifications 21 Plots 24 Product Markings and Labels 26 Service Strategy 27 To return the Probe to Keysight Technologies for Servic...

Страница 4: ...4 N2893A 100 MHz Current Probe User s Guide Contents ...

Страница 5: ...cope s AutoProbe interface provides the probe power probe offset and auto configuration of probe type and attenuation setting thereby making the current measurements as simple as those made with active voltage probes To use this probe effectively and to ensure a long operational life read this user s guide carefully and retain it for future reference Features Highly accurate current detection Spli...

Страница 6: ...s Sales Office Keep the shipping materials for the carrier s inspection The Keysight Technologies office will arrange for repair or replacement at Keysight Technologies option without waiting for claim settlement Cleaning the Probe If the probe requires cleaning disconnect it from the oscilloscope and gently clean the external surface of the probe with a soft cloth dampened with a mild soap and wa...

Страница 7: ...ed modification to the instrument Only Keysight service centers should perform repair maintenance on the equipment DANGER To avoid short circuits and accidents that could result in injury or death use the N2893A probe only with insulated power lines carrying 300V or less DANGER Never use this sensor on uninsulated conductors The core and shield case are not insulated Before clamping the insulated ...

Страница 8: ... avoid scratching the surfaces of the Hall effect elements keep the core section of the sensor closed except when clamping it around the insulated conductor to be measured WARNING Before turning on the instrument you must connect the protective earth terminal of the instrument to the protective conductor of the mains power cord The mains plug shall only be inserted in a socket outlet provided with...

Страница 9: ...ll effect element It may be damaged if subjected to sudden changes in ambient temperature or mechanical strain or shock Care should be exercised when handing the sensor head Demagnetizing Switch DEMAG This demagnetizes the core if it has been magnetized by switching the power on and off or by an excessive input Always carry out demagnetizing before measurement The probe should be connected to the ...

Страница 10: ...internally The high impedance such as 1 MΩ input impedance will be automatically selected on the Infiniium oscilloscope as the probe is plugged into the AutoProbe interface With an input impedance of 50Ω accurate measurement is not possible NOTE The probe output sensitivity 0 1 V A will be automatically selected as the probe is plugged into the AutoProbe interface With a different output sensitivi...

Страница 11: ...ned in Protecting the Probe Against Damage Resulting from Excessive Input on page 15 NOTE This probe is NOT compatible with 50Ω only Infiniium oscilloscopes for example the 90000A series oscilloscopes Use the N5449A high impedance probe adapter for use with Infiniium 90000X Series oscilloscope The input coupling is automatically selected to DC as the terminator is plugged into the AutoProbe interf...

Страница 12: ...on the sensor aligns with actual current direction in the insulated conductor The sensor opening lever is in the Locked position and the sensor head is properly closed NOTE Immediately after powering on this unit may be subject to an appreciable offset drift due to the effect of self heating To counteract this allow the unit to warm up for about 30 minutes before carrying out measurements CAUTION ...

Страница 13: ...t as shown in Figure 4 as appropriate Figure 4 Clamp Onto the Low Voltage Side of Circuit NOTE Accurate measurement may be impossible in locations subject to strong external magnetic fields such as transformers and high current conductors or in locations subject to strong external electric fields such as radio transmission equipment NOTE When performing continuous measurements it is necessary to b...

Страница 14: ...n the channel to which the probe is connected Wait until this waveform is no longer displayed 5 On Infiniium oscilloscopes a Click Setup Probe Calibration b Click the AutoZero button to automatically start the demagnetization followed by the zero offset routine c Follow the on screen instructions 6 On InfiniiVision oscilloscopes a Press the scope s channel button 1 2 3 or 4 for the channel you are...

Страница 15: ...ol before resuming operation WARNING The steps and guidelines provided in this topic must be followed to ensure that your probe is protected against any damage caused due to the input current that exceeds the maximum continuous input range for the probe WARNING In the following situations the generated heat activates a built in safety function in the probe that blocks normal output to prevent prob...

Страница 16: ...rent consumption exceeds the allowable AutoProbe interface current consumption The excess current consumption causes a temporary shutdown of the oscilloscope s power supply for safety Quit the measurement and cycle the power of the oscilloscope if the shutdown occurs The typical probe current consumption from the AutoProbe interface is shown in Figure 6 ...

Страница 17: ...he Power connector on the front panel of the 1143A power module Then connect the N2893A probe s output to the N1022B probe adapter s input Table 1 Required Test Equipment Description Minimum Requirements Recommended Test Equipment Oscilloscope Bandwidth 250 MHz Amplitude accuracy 0 4 Infiniium or InfiniiVision with 1 MΩ input Two Digital Multimeters Keysight U1251B Handheld Digital Multimeter or e...

Страница 18: ...d the test cable 1 and lock the sensor head of the probe b Press the DEMAG button on the probe c Set the digital multimeter DMM 1 to Arms mode d Connect the test cable 1 to the positive terminal of the AC current generator s OUTPUT terminal block and to the current input of the DMM 1 e Connect the test cable 2 to the negative terminal of the AC current generator s OUTPUT terminal block and to nega...

Страница 19: ...AC Current Generator 5 Set the DMM 2 to Vrms mode 6 As displayed in Figure 9 on page 20 connect a BNC cable to the a N1022B adapter s output using the NMD 3 5mm M to 3 5mm F adapter and 3 5mm M to BNC F adapter b DMM 2 using a BNC F to banana adapter This completes the test setup ...

Страница 20: ...omplete Test Setup 7 Measure the current and record Vrms output of the probe as displayed on the DMM 2 8 Calculate gain as follows Gain Vrms Arms Gain should be between 0 99 and 1 01 1 gain accuracy 9 Remove the test cable and AC current generator from the N2893A probe ...

Страница 21: ... Rise time is calculated as Tr 0 35 Bandwidth 3 5 ns Maximum Continuous Current 15A peak 15 ADC 10 Arms 30A peak 30 ADC 24 Arms when one probe is used with InfiniiVision 3000XT 5000 6000 7000 scope Maximum Non continuous Peak Current for Pulse Widths 10µs 50A 30A peak 32A peak when one probe is used with InfiniiVision 3000XT 5000 6000 7000 scope Probe Sensitivity 0 1V A Noise 2 5 mArms with 20 MHz...

Страница 22: ... with measured current 3 VA when measuring 15A Table 4 Mechanical Characteristics Item Characteristics Maximum Cable Diameter 5 mm 0 2 inch Sensor Cable Length 1 5 m 59 inches Dimensions Sensor 175 mm x 18 mm x 40 mm 6 89 in x 0 71 in x 1 6 in Dimensions Terminator 28 mm x 81 mm x 24 mm 1 1 in x 3 2 in x 0 94 in Weight 210 g 7 4 oz Accessories Supplied Storage case calibration certificate ...

Страница 23: ...le 5 Environmental Characteristics Item Characteristics Use Indoor Operating Temperature Range 0 C to 40 C 32 F to 104 F Storage Temperature Range 10 C to 50 C 14 F to 122 F Maximum Relative Humidity Operating or Storage 80 no condensation Maximum Altitude 2000m ...

Страница 24: ...24 N2893A 100 MHz Current Probe User s Guide N2893A Probe Plots Figure 10 Frequency Response of N2893A Figure 11 Continuous Maximum Input Rating of N2893A ...

Страница 25: ...N2893A Probe N2893A 100 MHz Current Probe User s Guide 25 Figure 12 Insert Impedance of N2893A Figure 13 Amplitude Accuracy Characteristic of N2893A ...

Страница 26: ...es the Environmental Protection Use Period EPUP for the product s toxic substances for the China RoHS requirements The CE mark is a registered trademark of the European Community ISM GRP 1 A denotes the instrument is an Industrial Scientific and Medical Group 1 Class A product ICES NMB 001 indicates product compliance with the Canadian Interference Causing Equipment Standard CAUTION Risk of Danger...

Страница 27: ...ion on a tag and attach it to the probe Name and address of the owner Probe model number Description of service required or failure indications 2 Retain all accessories 3 Return the probe in its case or pack the probe in foam or other shock absorbing material and place it in a strong shipping container You can use the original shipping materials or order materials from an Keysight Technologies Sal...

Страница 28: ...28 N2893A 100 MHz Current Probe User s Guide N2893A Probe ...

Страница 29: ...impedance insertion 21 insertion impedance 21 inspection 6 instrument markings 26 ISM1 A 26 L labels 26 M maximum altitude 23 maximum cable diameter 22 maximum circuit voltage 21 maximum current 21 maximum peak current 21 maximum relative humidity 23 measurement procedure 11 N noise 21 O opening lever 9 opening sensor head 12 operating temperature range 23 P probe bandwidth 21 probe parts identifi...

Страница 30: ...30 N2893A 100 MHz Current Probe User s Guide Index ...

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