Automated Flying Probe Tester Platform

Huntron® Access Prober

Putting a Flying Probe Tester Probe Exactly where you need it on Small to Medium PCAs

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Access USB Robotic Prober
Huntron Access Prober (click image to enlarge)

The Huntron Access Prober is used to automate the testing of printed circuits assemblies (PCA) that would otherwise have to be tested by hand. Adding Flying Probe Tester to your analysis procedure will significantly decrease test times therefore increasing productivity.
The Access Prober is designed to accurately access test points on small to medium sized PCAs. The exceptional accuracy achieved by micro-stepping and linear encoding ensures reliable probing of the smallest surface mounted components. By using either the standard built-in test probe or a custom test probe, the Huntron Access Probers add flying probe tester technology to your new or existing equipment. The high-resolution color camera ensures correct probe placement and provides a clear view of the PCA under test.

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  • Cost effective, desktop robotic platform
  • Design, manufacturing and service depot applications
  • Increase operator productivity
  • 10:1 or better probing speed when compared to manual methods
  • Improved test yield

Access Prober Highlights

  • Single head flying probe tester interface in a desktop sized platform
  • Sized for small to medium PCAs
  • Exceptional accuracy for precise probing of PCAs
  • Durable design for many years of service
  • Can be connected to a Huntron Tracker® 3200S
  • Automate tests using other mainline test instruments with optional SDK packages
  • Compare Access Prober Specifications
Access Prober Specification Access    image
Number of Test Heads 1
Maximum Board Under Test Size 19.4" x 14" (49.3cm x 35.6cm)
Maximum Probing Area 15.3" x 12.9 " (38.9cm x 33.8cm)
Maximum Board Component Height 2.375" (6cm)
Dimensions 26.5" W x 13" H x 24.5" D (67.31cm W x 33.02cm H x 62.3cm D)
Accuracy and Resolution 0.0007874" (±20 microns) at 0.0003937" (10 microns) minimum


Included Accessory Part Number Buy Now from Shop Huntron
Huntron Workstation CD Part number 06-5228 -
Manual on CD Part number 06-5217 Buy Now
Huntron Microprobes - MP10 (supplied with Access with Tracker) Part number 98-0078 Buy Now
4 Common leads Part number 98-0043 Buy Now
Common Lead with Ferrite Bead (EMI reduction) Part number 98-0227 -
Power cord Part number 98-0015 -
USB Cable Part number 98-0418 -
Tool Kit Part number 98-0452 -
2 Crossbar Assemblies - 19.25" Part number 98-0393 -
Slide Bar Extension Part number 98-0132 -
4 Rotating Slide Bar Assemblies Part number 98-0685 -
4 1" Rotating PCA Support Arms Part number 01-3586 -
4 2" Rotating PCA Support Arms Part number 01-3598 -
4 0.5" PCA Support Pins used with Rotating PCA Support Arms Part number 01-3669 -
4 Wing Nuts used with Rotating PCA Support Arms Part number 07-3317 -
2 Board Spacers (3 slot) Part number 98-0111 -
3/32 Allen Wrench for Stop Blocks Part number 98-0228 -
2 BNC Cables - 24" Part number 98-0223 -
Coax Cable (supplied with Access with Tracker) Part number 98-0510 -
Probe Kit (includes 50mil Probe Holder) Part number 98-0126 Buy Now
Video Microscope Part number 98-0693 -
Optional Accessory Part Number Buy Now from Shop Huntron
Rotating Board Holder Kit Part number 98-0592 Buy Now

Access Prober FAQ

Q: What are the primary differences between the Access and the Access 2?
Answer: The main difference is size. The Access Prober is sized for small to medium dimension PCBs while the Access 2 Prober can handle larger PCBs. The Access 2 has additional vertical space to handle taller features on a PCB. See the Compare Prober Specifications chart for the actual dimensions.

Q: What types of test hardware can be connected to an Access Prober?
Answer: The Huntron Workstation software supports Huntron Trackers (Tracker Model 30 and Tracker 3200S) and selected conventional test instruments (see the Workstation Software page for a list). Other test instrumentation can be connected to an Access Prober and controlled using Huntron Remote Control or custom applications developed using the Hardware SDK.

Q: How fast is the Access Prober?
Answer: The probing speed depends on how the Prober is being used. If it is being used to take measurements, the speed in affected by how long it takes to capture the measurement. In general, you will be able to probe about two seconds per point.

Q: How accurate is the Access Prober?
Answer: Huntron Access Probers are very accurate. The minimum step resolution is 10 microns with an accuracy of +/- 20 microns. This is more than accurate enough to probe very small lead spaced devices such as the 0.4mm surface mounted ICs.

Q: Can I use CAD data to develop a test routine?
Answer: Yes. Optional software is available to assist you in using your CAD data to create tests in Huntron Workstation. You can find more details by visiting the Workstation Software page.

Q: How does the Rotating PCA Support system work?
Answer: Included with the Access Prober is a combination of slide bars, movable arms and pins that allow you to mount the PCB under test using the board's mounting holes. We refer to these parts as the Huntron Board Holder Kit. Rather than trying to explain the details here, take a look at the Huntron Board Holder Kit instruction sheet.