Overview
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Choosing an optical head
A quick guide to selecting the right head for your application.
Standard production LED testing
OH-3 is the most widely used — 5mm centre-to-centre, standard intensity. Suitable for the majority of indicator, automotive interior and consumer electronics LED test applications.
Automotive headlights & matrix LEDs
OH-10 and OH-11 for tight headlight arrays (1.1–1.5mm C/C). OH-6, OH-23, OH-26, OH-33 for high-brightness applications. OH-10G for headlight LEDs in thermal environments.
Backlit switches & RGB panels
OH-12, OH-13, OH-14 family (2.2mm POF) for Low Light and RGB Analyser applications — backlit switches, lightguides and panels where light passes through etched or painted plastic.
Special environments
OH-7LT / 17LT / 10G for Life Tester oven use (−65 to +125°C). OH-8IR / 8A-IR for IR LED testing. OH-9RF / 19RF for RF test environments. OH-7D for dual-fibre custom applications.
Full Specification
1mm Plastic Optical Fibre (POF) — Standard visible LED analysers
| Part No | Min C/C | Fibre | Temp range | Use / comments |
|---|---|---|---|---|
| OH-21 | 2.8mm | POF 1mm | 0–70°C | Standard intensity. Fibre glued in place. |
| OH-1 | 3.5mm | POF 1mm | 0–70°C | Standard intensity LEDs |
| OH-1A | 3.5mm | POF 1mm | 0–70°C | High intensity LEDs |
| OH-24 | 3.5mm | POF 1mm | 0–70°C | 90° / side-emitting |
| OH-5 | 4mm | POF 1mm | 0–70°C | Standard intensity LEDs |
| OH-3 | 5mm | POF 1mm | 0–70°C | Standard — most common head |
| OH3-RGB | 5mm | POF 1mm | 0–70°C | RGB LED test |
| OH-23 | 5mm | POF 1mm | 0–70°C | Super high brightness |
| OH-33 | 5mm | POF 1mm | 0–70°C | High brightness |
| OH-9RF | 7mm | POF 1mm | 0–70°C | RF test environments |
| OH-6 | 9mm | POF 1mm | 0–70°C | High brightness / large LED |
| OH6-RGB | 9mm | POF 1mm | 0–70°C | RGB LED test, 8mm body |
| OH-26 | 9mm | POF 1mm | 0–70°C | Super high brightness |
| OH-30 | 13mm | POF 1mm | 0–70°C | Large diameter LED |
| OH-10 | 1.5mm | POF 1mm | 0–70°C | High brightness headlights / tight pitch |
| OH-11 | 1.1mm | POF 1mm | 0–70°C | High brightness, very tight pitch |
| OH-7D | 5mm | Optional dual | 0–70°C | Dual fibre — custom application |
1.1mm Glass Optical Fibre — Infrared Analyser and Life Tester
| Part No | Min C/C | Fibre | Temp range | Use / comments |
|---|---|---|---|---|
| OH-8IR | 5mm | Glass 1.1mm | 0–70°C | Standard IR LEDs — use with IR Analyser |
| OH-8A-IR | 5mm | Glass 1.1mm | 0–70°C | High brightness IR LEDs |
| OH-7LT | 5mm | Glass 1.1mm | −65 to +125°C | Standard intensity — use with Life Tester |
| OH-17LT | 5mm | Glass 1.1mm | −65 to +125°C | RGB LED test — use with Life Tester |
| OH-10G-xxx | 1.5mm | Glass 1.1mm | −65 to +125°C | High brightness glass fibre — Life Tester or IR |
2.2mm Plastic Optical Fibre (POF) — Low Light and RGB analysers
| Part No | Min C/C | Fibre | Temp range | Use / comments |
|---|---|---|---|---|
| OH-12 | 5mm | POF 2.2mm | 0–70°C | Short (OH-13) — fibre glued in place |
| OH-13 | 5mm | POF 2.2mm | 0–70°C | Low Light standard head — fibre glued |
| OH-14 | 5mm | POF 2.2mm | 0–70°C | 90° — for side-emitting low light LEDs |
| OH-16 | 11mm | POF 2.2mm | 0–70°C | Large LED / backlit panel |
| OH-31 | 13mm | POF 2.2mm | 0–70°C | Large diameter LED |
Downloads and Resources
Optical Head Datasheet
ZIP
Download
Luminance Head Datasheet