You can use the DL9000 Digital Oscilloscope to measure the offset of the 701912, 701913, or 701914 Active Probe. The specification for the Active Probes is ± 2mV. To measure the offset, follow the procedures listed below.
- Connect the Probe to the DL9000
- Allow the scope to warm up for 30 minutes for the most accurate measurement
- Press one of the CH1 to CH4 keys to select the channel
- Press the Coupling soft button and select DC50
- Press the Probe soft button and select 1:1
- Press the Next 1/2 soft key
- Press the Offset Cancel soft key to select ON
- Press the Bandwidth soft button and select 1 MHz
- Press ACQ ⇒ Hi-Res Mode soft button to select ON
- Short the input terminals of the probe using a wire, paper clip, or similar method
- Press the TRIG MODE/HOLD OFF key and select Auto
- Turn the T/Div rotary knob and set to 10us/div
- Measure the offset with Horizontal Cursors
Please download and view the attached image file to view a screenshot example of the 701912 probe offset measurement.