Fluid Measurement Probes

Digital 24-Channel Rakes

Self-contained 24-channel rake systems for simultaneous multipoint velocity measurement, with interchangeable stings and custom geometries.

Request a Quote View Specifications

Simultaneous Multipoint Velocity Measurement in One Instrument

A digital 24-channel rake provides 24 independent, true-differential pressure measurements, plus absolute static pressure, local fluid temperature and humidity, from a single self-contained package. Data processing software converts the pressures from any probe head configuration into three velocity components.

Stings are interchangeable, from three 7-hole probes to 24-point total pressure rakes, and individual probe and rake geometries can be custom designed. For fixed total pressure rakes see Kiel rakes.

Digital 24-channel rake with three hooked probe stems

At a Glance

24 simultaneous, 24-bit pressure channels
Sensor package 20 mm diameter, approximately 200 mm long
316 stainless steel enclosure
200 Hz data acquisition
USB or UART, with CAN and Ethernet adaptors available

Specifications

Digital 24-Channel Rake Specifications

Manufacturer specifications for the standard digital 24-channel rake. Accuracy, channel ranges and custom stings are confirmed at quotation.

Probe type	Self-contained digital rake with 24 independent, true-differential pressure channels
Configurations	3 x 7-hole probes, 6 x 4-hole probes, omnidirectional probes, or a 24-point total pressure rake
Data acquisition	24-bit, 200 Hz, with 24-channel simultaneous A/D
Pressure range	6.9 kPa (wind tunnel configuration)
Speed capability	Up to 110 m/s (wind tunnel configuration)
Sensor package	20 mm diameter, approximately 200 mm long, 316 stainless steel enclosure
Additional sensors	Local fluid temperature, case temperature, 24 sensor temperature channels, absolute static pressure, relative humidity and a 6-axis inertial sensor
Communications	USB or 5V-tolerant UART; CAN, UDP Ethernet and other adaptors available
Software	Data processing software converting pressures into three velocity components; development kit for NI LabVIEW; NI LabVIEW run-time and NI-VISA are required

Why K-Tec Systems

More Than a Probe Supplier

K-Tec Systems manufactures the sensing and cabling around the probe in Ferndale, Michigan, so one U.S. team can support the whole measurement chain, from thermocouples and RTDs to wire harnesses.

Manufactured and supported in the U.S.

K-Tec Systems builds custom thermocouples, RTDs, wire harnesses and test stands at our Ferndale, Michigan, facility. The probe, the temperature sensing and the cabling can be specified together, with one U.S. team behind the order.

Flow and temperature at the same point

K-Tec thermocouples and RTDs can be integrated into compatible probe designs, so total pressure and temperature are measured at the same location.

Registered for government and defense work

CAGE Code 4W0S0. WBENC and WOSB certified woman-owned small business. CMMC Level 2.

Thermocouples produced to ISO/IEC 17025 standards

Thermocouples for your test article are produced to ISO/IEC 17025 standards at K-Tec Systems.

Applications

Where Digital 24-Channel Rakes Are Used

Wind tunnel testing

24-channel, 24-bit pressure measurement with integrated environmental and alignment sensors.

Motorsport

Optional CAN and Ethernet modules, with factory calibration and tight fabrication tolerances that allow probe interchangeability.

Industrial testing

Bespoke rake geometries for simultaneous multipoint measurements in complex three-dimensional flows.

FAQ

Digital 24-Channel Rakes: Frequently Asked Questions

How is a digital rake different from a Kiel rake?

A Kiel rake measures total pressure at several points across a defined area. A digital 24-channel rake adds integrated sensors and electronics and, with multi-hole heads, resolves three velocity components. See Kiel rakes for total pressure rakes.

Which probe heads can be fitted?

Three 7-hole probes, six 4-hole probes, omnidirectional probes, or a 24-point total pressure rake. Stings are interchangeable.

Can the rake geometry be customized?

Yes. Individual probe and rake geometries can be custom designed to match your test article.

How does it connect to a data system?

Over USB or a 5V-tolerant UART, with adaptors for CAN, UDP Ethernet and others.

How do I order one?

Contact K-Tec Systems with your test article, flow speed and the number of measurement points. Configuration, lead time and price are confirmed at quotation.

Not sure which probe fits your test? See the full probe range or call 248-414-4100.

Other Probe Types

All probes are supplied in the U.S. by K-Tec Systems. Scroll or use the arrows to see every probe type, or visit the fluid measurement probes overview.