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+44 (0) 191 387 1923


Map replacement


Peak Test Services Ltd

152a Front Street
Co. Durham
United Kingdom
+44 (0) 191 387 1923
+44 (0) 191 387 1994

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About Peak Test

Founded in 1986, Peak Test is the UK leader in the distribution of test probes and receptacles, it carries the most comprehensive range of probes, many of which are available ex-stock for next day delivery.

Peak Test are the UK distributor for Virginia Panel Corporation (VPC) Mass Interconnect, Optomistic LED Test and Voltera Prototype PCB Printer.

Peak Test Services is an ISO accredited Company.

The leading UK distributor of Spring Contact Test Probes and Test Accessories

Wide Aperture & Rigid Fiber Optic Probe

The Rigid Fibre Optic Probe is a stainless steel encased probe for the testing of single LEDs which fully inserts into the Universal Light Probe Sensor. 

The removal of the flexi probe cable eliminates the need for sensor mounting clamps. The probe is available as a wide aperture option only and as a right angle option.


  • Stainless steel encased probe
  • Probe tip diameter: 2.77mm
  • Probe tip type: stainless steel
  • LED spacing: Straight - not less than 14.22mm, the width of the sensor; Right angle - not less than 3.4mm, by rotating the sensors outward
  • Air gap: 1mm recommended - up to 3mm to increase field of view when testing LEDs

Part Numbers


2.7mm rigid tip diameter, 28.57mm tip length, wide aperture


2.7mm rigid tip diameter, 55.88mm tip length, wide aperture


2.7mm rigid tip diameter, right angle option, 9.5mm tip length, wide aperture


2.7mm rigid tip diameter, right angle option, 34.99mm tip length, wide aperture