Summary of CT4026
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Ct4026 user manual.
Page 2: Safety Summary
800-572-1028 caltestelectronics.Com 1 safety summary warning caution to avoid personal injury and/or product damage, review and comply with the following safety precautions. These precautions apply to both operating and maintenance personnel and must be followed during all phases of operation, servi...
Page 3: Properly Grounded.
800-572-1028 caltestelectronics.Com 2 high voltage circuits before disconnecting the ground lead. Do not connect the probe ground lead to any point which is at a potential other than earth ground. Use only on test instruments where the chassis or return lead is properly grounded. Use only in office-...
Page 4: Caution
800-572-1028 caltestelectronics.Com 3 or death to personnel. A caution statement calls attention to an operating procedure, practice, or condition, which, if not followed correctly, could result in damage to or destruction of parts or the entire product. Compliance statements disposal of old electri...
Page 5: 1 Introduction
800-572-1028 caltestelectronics.Com 4 1 introduction overview the cal test ct4026 is an 18 kv high voltage divider probe for use with both digital and analog oscilloscopes. Features z measures up to: 18 kv (dc + acpk) or 12 kvrms ac z dc to 150 mhz bandwidth z voltage dividing of 1000:1 z frequency ...
Page 6: 2 Using The Probe
800-572-1028 caltestelectronics.Com 1 1. Standard probe tip 2. Hands-free hook probe tip 3. Hands-free bolt-on probe tip 4. Grounding lead extension cable 5. Grounding alligator clip 6. Trimmer tool 7. Bnc cable 8. Frequency compensation trimmer 9. Main grounding lead 2 using the probe 1. Connect th...
Page 7: Warning
800-572-1028 caltestelectronics.Com 2 7. Turn on the high voltage source. 8. You will now be able to analyze the voltage waveform on your oscilloscope. 9. Turn off the high voltage source. 10. Warning disconnect the probe from the high voltage source before disconnecting the ground clip lead. 3 freq...
Page 8: Caution
800-572-1028 caltestelectronics.Com 3 200 khz and bandwidth adjustments 4. Caution 200 khz and bandwidth adjustments should only be made by a qualifi ed engineer. Remove the plastic cover to access these trimmers. 5. Change the square wave output to 200 khz or to the frequency you will be using in y...
Page 9: Figure 4: Good Compensation
800-572-1028 caltestelectronics.Com 4 figure 4 shows a perfectly compensated probe. Figure 4: good compensation.
Page 10: 4 Specifications
800-572-1028 caltestelectronics.Com 5 4 specifications all specifications apply to the unit after a temperature stabilization time of 15 minutes over an ambient temperature range of 25 °c ± 5 °c. Ct4026 specifications maximum input voltage (cat i) 18 kv (dc + acpk) 12 kvrms ac maximum loading curren...
Page 11: 5 Voltage Derating Curve
800-572-1028 caltestelectronics.Com 6 5 voltage derating curve warning when measuring higher frequency signals, be sure to comply with the voltage vs frequency derating curve. Figure 5: voltage derating curve 6 cleaning clean only the exterior probe body and cables. Use a soft cotton cloth lightly m...
Page 12: Caution
800-572-1028 caltestelectronics.Com 7 dry the probe thoroughly before attempting to make voltage measurements. Caution do not subject the probe to solvents or solvent fumes as these can cause deterioration of the probe body and cables. 7 service & warranty information limited one-year warranty cal t...
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800-572-1028 caltestelectronics.Com 8 notes.
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800-572-1028 caltestelectronics.Com 9 notes.
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800-572-1028 caltestelectronics.Com 10 notes.
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© 2018 cal test electronics 450893-001 rev. A.