Capacitor Discharge Tester 8A. CBX built in for functionality test! CE Approved!

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Capacitor Discharge Tester 8A. CBX built in for functionality test! CE Approved!

  • $3,110.00

For IEC Testing of residual voltage after plug disconnect.  The CDT-240 disconnects the line at the voltage peak and analyzes results to the requirements of various Standards, allowing quick results.  Scope output for viewing decay waveform.  Presets for EN 61010, EN 60065, EN 60950, EN 60601-1 and EN60335.  Recommendations for Pluggable Type B equipment.  NIST calibration supplied; A2LA calibration available.  15A option for testing large equipment.

Questions?  Contact us.

Listen to Expert Highlights

CDT 240 V2 Calibration Procedure Section 9.1

CDT-240: Overview Video

CDT-240: Conducting a Voltage Decay Test-Video

CDT-240: Conducting a Time Delay Test-Video

CDT-240: EN60950 Capacitive DIscharge Test-Video

CBX R-C Time Constant-Video

More information

CDT-240 Tolerance compared to oscilloscopes and CTL DSH 251e

T=0 Voltage Determination for CDT-240 using CBX (see Section 7)

T=0 Voltage Determination for CDT-240 CE Version (Internal Time constants) (See Section 8)

Recall Release Note (Not for V2, only previous version)

Available Options

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  • Accurate; in accordance with CTL voltage and time specifications.
  • Disconnects input test voltage at positive or negative peak, normal and reversed polarity
  • Tests Line-Ground, Line-Neutral and Neutral-Ground.
  • Micro-controller Technology, one button test, easy setup, LCD display indicates test results.
  • Maximum Rated Test Current 8A, 15A optional.
  • CBX built in for functionality test.
  • Ergonomically designed for safety, speed and efficiency.
  • Designed for product development, production and laboratory use.
  • Rugged construction that can withstand a 6" drop with no damage.
  • Cables, manual and calibration certificate included.
  • One year warranty.


Min/Max Test Voltage90/264 Vrms
Max Test Current8A, 15A option available
Fuse10A, 250V, time delay, 1-1/4" x 1/4"
Probe Impedance> 100 Mohm, < 25pF
AC Peak Detection AccuracyEUT disconnect within 5% of supply voltage peak
Test Time Range0.5 - 10.0 Seconds
Voltage Setting Range+/-30 to 388V
Voltage Setting Resolution1V
Test Time Accuracy+/-5%
Voltage Meter Accuracy+/-2% of reading +/-0.8V
Rated Input Voltage110-240 V
Frequency50/60 Hz
Fuse2A, 250V, time delay, 5x20 mm
Operation Temperature15 - 40 C
Relative Humidity Range0 - 90 % Non-Condensing
(XI) Safety Interlock2 pin terminal block on rear panel, shorted for tester operation
Dimms9-1/4"W x 4-3/4"H x 10"D
BNC OutputReferenced to ground, 100:1 of measured voltage


Download Manual
CDT-240 V2/CDT-240 (CE) rev 2.pdf Download Manual

Contact Us

Corporate Sales Office (USA)

Compliance West USA
650 Gateway Center Way Suite D
San Diego, CA 92102 USA

US Representatives

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