Cal Test Electronics Elditest CT2982B User Manual
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Cal Test Electronics Elditest CT2982B User Manual

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CT2982B
User Manual

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Summary of Contents for Cal Test Electronics Elditest CT2982B

  • Page 1 CT2982B User Manual...

  • 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 Hazardous voltages may be present in unexpected locations in circuitry being tested when a fault condition in the circuit exists. Do not substitute parts that are not approved by Cal Test Electronics or modify this instrument. Return the instrument to Cal Test Electronics caltestelectronics.com...

  • Page 4: Compliance Statements

    for service and repair to ensure that safety and performance features are maintained. WARNING statement calls attention to an operating procedure, practice, or condition, which, if not followed correctly, could result in injury 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.
  • Page 5 1 Introduction Overview The Elditest CT2982B is a 10 kV High Voltage divider probe for use with both digital and analog oscilloscopes. Features Measure up to: 10 kV (DC + ACpk) or 7 kVrms AC 40 MHz bandwidth Voltage dividing of 1000:1 Frequency compensation caltestelectronics.com...

  • Page 6: Using The Probe

    2 Using the Probe Connect the probe to the BNC input of the oscilloscope. Select the desired volts/division range on your oscilloscope. If possible, always turn the high voltage source off before connecting or disconnecting the probe. Connect the divider probe ground lead (alligator clip) to a good earth ground or reliable chassis ground.

  • Page 7: Frequency Compensation

    3 Frequency Compensation Proper compensation of the probe is required to assure amplitude accuracy of the waveform being measured by matching the probe to the oscilloscope’s input capacitance. Compensation should be adjusted whenever the probe is connected to, or transferred between, oscilloscopes. The procedure is the same as for a x10 passive probe.
  • Page 8 Figure 2 shows how over- and under-compensated pulse responses will look. Figure 2: Over/Under Compensation Figure 3 shows a perfectly compensated probe. Figure 3: Good Compensation caltestelectronics.com 800-572-1028...

  • Page 9: 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. CT2982B 10 kV High Voltage Probe Operating Parameters Maximum Input Voltage 10 kV (DC + ACpk) (CAT I) 7 kVrms AC Division Ratio...

  • Page 10: Voltage Derating Curve

    5 Voltage Derating Curve WARNING When measuring higher frequency signals, be sure to comply with the Voltage vs Frequency Derating Curve. CT2982B Maximum Working Voltage Derating Curve (7KV/1KHz, 3KV/100KHz, 1KV/1MHz, 100V/100MHz) 100KV 20KV 10KV (7KV) 100V 1KHz 10KHz 100KHz 1MHz 10MHz 100MHz Frequency...

  • Page 11: Service And Warranty Information

    Units returned to Cal Test Electronics that have been subject to abuse, misuse, damage, or accident, or have been connected, installed, or adjusted contrary to the instructions furnished by Cal Test Electronics, or that have been repaired by unauthorized persons, will not be covered by this warranty.
  • Page 12 This warranty is in lieu of all other representations or warranties expressed or implied and no agent or representative of Cal Test Electronics is authorized to assume any other obligation in connection with the sale and purchase of this device. Service If you have a need for calibration or repair services, technical, or sales support, please contact us:...
  • Page 13 Notes caltestelectronics.com 800-572-1028...
  • Page 14 caltestelectronics.com 800-572-1028...
  • Page 15 caltestelectronics.com 800-572-1028...
  • Page 16 caltestelectronics.com 800-572-1028...

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