Zygo

PTI 250

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PTI 250 — Inventory photo — Fig. 01PTI 250Inventory photo^[1]

Power

100-240 VAC, 50/60 Hz^[2]

Performance

λ/2000^[2]

Optics

Class I 655 nm semiconductor laser^[2]

What is it?

What do the numbers mean?

Power & electrical1

Power supply: 100-240 VAC, 50/60 Hz^[2]

Optics & imaging2

Test source: Class I 655 nm semiconductor laser^[2]
CCD resolution: 640 x 480 pixels^[2]

Performance2

Repeatability (1σ RMS): λ/2000^[2]
Accuracy (1σ): λ/500^[2]

Control & software1

Software: Zygo PTI 250 software on Microsoft Windows XP Professional^[2]

Dimensions & facilities2

Dimensions (H x W x D): 686 x 203 x 356 mm^[2]
Weight: 33 kg^[2]

Configuration & options10

Instrument type: Compact Fizeau phase-measuring interferometer^[2]
Test beam diameter: 25 mm^[2]
Focus range: ±250 mm manual^[2]
Measurement uncertainty (flat): λ/20^[2]
Measurement uncertainty (spherical RMS): λ/10 RMS^[2]
Operating temperature: 15°C to 35°C^[2]
Temperature variation: <1.0°C / 15 min^[2]
Humidity: 10% to 95% non-condensing^[2]
Vibration isolation requirement: None (no special vibration isolation)^[2]
Languages: English, German, Japanese, Simplified Chinese, Traditional Chinese^[2]

Vintage & configurations

Documented models & variants

Designation	Generation	Vintage	Changes	Source
PTI 250RS	—	—	Research-grade with high functionality and flexibility. Uses FlashPhase data acquisition, accuracy better than λ/100, MetroPro interface, optional radius measurement.	shdooz.com^[2]
PTI 250F	—	—	Economical production phase-modulated interferometer. Uses FlashPhase, produces >300,000 pixel quantitative surface maps, MetroPro software, optional radius measurement.	shdooz.com^[2]
PTI 250P	—	—	Production phase-modulated interferometer. Produces >300,000 pixel quantitative surface maps, accuracy better than λ/100, MetroPro software with multi-language support, optional radius measurement.	shdooz.com^[2]
PTI 250V	—	—	Production rapid inspection interferometer. Uses fringe-viewing method, optional radius measurement, can be upgraded to PTI 250F and PTI 250P.	shdooz.com^[2]
PTI 250FTM	—	—	No further description provided in source.	shdooz.com^[2]

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What does it need to run?

Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.

Power supply100-240 VAC, 50/60 Hz^[2]

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Not publicly documented

Field notes

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Not publicly documented

The following facts about the PTI 250 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the PTI 250 are on record.
Answerable by: OEM historical records or a trade-press announcement
The control-system platform and OS era of the PTI 250 are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the PTI 250 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the PTI 250 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the PTI 250 are on record.
Answerable by: an OEM parts catalog or a service engineer