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Summary of Contents for Caltest CT4026
- Page 1 CT4026 User Manual...
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Page 2: Safety Summary
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, service, and repair of this instrument. Only qualified personnel should use this probe. - Page 3 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-type indoor setting The instrument is designed to be used in office-type indoor environments.
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Page 4: Compliance Statements
or death to personnel. 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 Electrical & Electronic Equipment (Applicable in the European Union and other European countries with separate collection systems). - Page 5 1 Introduction Overview The Cal Test CT4026 is an 18 kV High Voltage divider probe for use with both digital and analog oscilloscopes. Features Measures up to: 18 kV (DC + ACpk) or 12 kVrms AC DC to 150 MHz bandwidth...
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Page 6: Using The Probe
Standard Probe Tip Hands-Free Hook Probe Tip Hands-Free Bolt-On Probe Tip Grounding Lead Extension Cable Grounding Alligator Clip Trimmer Tool BNC Cable Frequency Compensation Trimmer Main Grounding Lead 2 Using the Probe 1. Connect the probe to the BNC input of the oscilloscope. 2. -
Page 7: Frequency Compensation
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. WARNING Disconnect the probe from the high voltage source BEFORE disconnecting the ground clip lead. 3 Frequency Compensation Proper compensation of the probe is required to assure amplitude accuracy of the waveform being measured by matching the probe to... - Page 8 200 kHz and Bandwidth Adjustments 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 your testing.
- Page 9 Figure 4 shows a perfectly compensated probe. Figure 4: Good Compensation caltestelectronics.com 800-572-1028...
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Page 10: Specifications
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 18 kV (DC + ACpk) (CAT I) 12 kVrms AC Maximum Loading 90 µA... -
Page 11: Voltage Derating Curve
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 moistened with a mild solution of detergent and water. -
Page 12: Service And Warranty Information
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 Test Electronics warrants this product to be free from defective material or workmanship for a period of 1 year from the date of original purchase. - Page 13 Notes caltestelectronics.com 800-572-1028...
- Page 14 Notes caltestelectronics.com 800-572-1028...
- Page 15 Notes caltestelectronics.com 800-572-1028...
- Page 16 450893-001 Rev. A © 2018 Cal Test Electronics...
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