Octiv Poly 2.0

  • Multiple Frequencies

    Only one sensor required for multiple frequency applications, saving significant cost. Measurements available when frequency is +/-10% of the calibrated frequency.

  • Measure Harmonics

    Measure all parameters available for up to 15 harmonics of the fundamental frequency and plot a harmonic profile.

  • Measurement Accuracy

    1% Accurate voltage, current, power and impedance over a range of impedances traceable to NIST, ensuring reproducible and repeatable data from sensor to sensor.

  • Intuitive Software

    Our software, which can be installed on any PC or laptop, is very intuitive and user friendly.

  • Multiple Models

    We have multiple models to suit you installation and voltage/current/power requirements for seamless integration into your process equipment and control loop.

  • Pulse Features

    Measure the waveform of your pulse with our time-resolution mode.

  • Communication Protocols

    Ethernet, EtherCAT, RS232 and USB APIs available for ease of integration with any system.

The Octiv Poly 2.0 VI probe is a multi-frequency in-line RF voltage, current and phase measurement system with network communication (Ethernet Web Service Protocol, EtherNet/IP or EtherCAT available). With 1% true accuracy, chamber-to-chamber matching and process repeatability can be established with confidence. Uniquely convenient form-factors enable retrofitting to match box outputs to facilitate direct plasma monitoring. Issues such as product scrap events, endpoint detection errors and unnecessary preventative maintenance can all be eliminated with this advanced VI probe technology.

Five fundamental frequencies on a single sensor, saving cost of purchasing multiple sensors and time having to switch between sensors when taking readings. This also enables measurements of multiple frequencies simultaneously on the same line for multi frequency applications.

RF Frequency tracking band of ± 10% around the fundamental frequency allows accurate readings even when the frequency is variable around the fundamental. 

Harmonic - RF VI Probe Octiv Poly

Measure all parameters for up to 15 harmonics of each fundamental frequency and plot a harmonic profile for each frequency (shown on left). The harmonics can detect changes in plasma which can be used to detect faults, end-points and plasma stability.

Smith Chart

Achieve in-line accuracy specifications comparable to expensive offline vector network analyzers.

Our calibration uses RF calorimetry and vector network analyzer technology to embed the power of both methods in a compact and responsive form factor. Due to the sampling methods used in our technology we do not require the same amount of averaging as a calorimeter or directional coupler to provide an accurate reading meaning you get quicker accurate readings.

Our sampling methods also use advanced harmonic rejection which ensures accurate power measurement at the selected frequency only and does not require any physical filters.

Our sensors are also calibrated up to 80° C to compensate for temperature variation.

Sensor run-to-run repeatability (< 0.1%), enabling a true gauge of plasma process drift.

Our software has been designed to be easy to use. It can be installed on any laptop or PC using our simple installers.

Our software can be used to control multiple sensors simultaneously allowing you to monitor multiple locations at once. The software is also compatible across Octiv models meaning multiple Octiv models can be controlled from a single computer.

Once installed the software allows the user to select between sensors, configure each sensor, runs scans, visualize live data and import/export data for analysis.

We have multiple models of sensor to allow for varying installation locations and power/voltage/current requirements.

Our standard QC connector model can come with various connectors (see datasheet for full list of connectors) that can be chosen at the time of ordering.

All of our socket style connectors come with a leaf spring design (as shown in the image) which ensures that good electrical contact is made between the pin and the socket.

Auto-switching between CW and Pulsed RF monitoring in time average mode (TAM).

Reports pulse frequency and duty cycle with
sub-microsecond precision in TAM.

Integrates over pulse profile for accurate average
power and impedance measurement.

Time-resolved mode with 1 microsecond resolution
for detailed pulse waveform analysis.

Pulse-trend mode to monitor a number of points within the pulse profile, with 1 microsecond gate times

Software or systems on your site can communicate directly with the sensor without using our software through our API protocols. The sensor is enabled for RS232, USB and Ethernet or EtherCAT.

For more details on the API please contact us.

Available Models

Quick Change

6mm Socket

20mm Socket

1 5/8 EIA

3 1/8 EIA

Part Number Frequency Range Max Power Max Voltage/Current Connectors
0.5W - 5KW *


Quick change**
350kHz - 240MHz
1.5W - 12KW *


Quick change**
350kHz - 240MHz
1.5W - 12KW *


6mm Socket
350kHz - 240MHz
1.5W - 12KW *


20mm Socket
350kHz - 240MHz
3W - 30KW *


EIA 1-5/8"
350kHz - 240MHz
9W - 90KW *


EIA 3-1/8"

*Connector dependent, see our product datasheet for more information

** See our datasheet for a list of available quick change connectors