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New passive oscilloscope probes ideal for dense PCBs and a wide temperature range

13 August 2020

The new Model 701949 and 702907 passive oscilloscope probes from Yokogawa are intended to expand the usability and applications of Yokogawa’s DLM3000 Mixed Signal Oscilloscope.

The 701949 10:1 miniature passive probe is designed for high density PCBs, with a slim probe head that provides good visibility during operation. It also features a built-in spring mechanism at the tip that prevents slippage by automatically adjusting the load. 

A wide range of accessories are available, suitable for high-speed signals such as ICs and high-density mounting boards for various applications. The 701949 frequency bandwidth ranges are DC to 500MHz, with an input voltage of +/-400V RMS. 

The 702907 offers a wide operating temperature range of -40 to +85°C, it also has a long probe length of 2.5m, making it easy to keep the measuring instrument away from the high temperature measurement point. Longer probes are also required to connect the measuring instrument to a temperature-controlled chamber. 

Frequency bandwidth ranges are DC to 200MHz, with an input voltage of +/-1000V DC + AC peak. 

To ensure reliability under severe environmental conditions, these probes have been proved to withstand a cable mount pulling force of 60 N and have been tested over 500 temperature cycles. 

In addition, the probes can also be used with a range of probe tip conversion adaptors to connect the probe to the application in the most convenient way. The choice of adaptors includes safety mini clips, fork terminal adapters, small or large alligator clips, and 4mm conversion adaptors with pincher tip or safety banana connectors.

Typical applications include accelerated testing and validation of automotive parts, testing designs inside a temperature chamber and the environmental testing of power converters designed for outside installations such as the inverters and transformers used for solar photovoltaic and wind-turbine power generation.

Other uses include the evaluation and environmental testing of sensors and actuators used in automotive, railway, aerospace and marine applications, and the testing of home appliances such as air-conditioners, cookers and refrigerators.

For further information about the 702907 and 701949 passive probes please visit:

https://tmi.yokogawa.com/eu/solutions/products/oscilloscopes/voltage-probes/702907-passive-probe-1000v-200-mhz/

https://tmi.yokogawa.com/eu/solutions/products/oscilloscopes/oscilloscope-accessories/701949-miniature-passive-probe-400v-500-mhz/


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