Espec
EHS-222MD
The EHS-222MD is an Espec highly accelerated stress test system. The EHS-222MD has a two-stage chamber configuration. The EHS-222MD has an interior dimension of φ394×L426 mm.[1]
What it is
The Espec EHS-222MD is an environmental test chamber.[1]
How it works
The Espec product line includes bench-top temperature and humidity chambers with touch-panel control and selectable constant and program modes.[1]
Applications
Environmental test chambers are used for semiconductor and electronic device equipment testing.[1]
- Moisture resistance evaluation
- Semiconductor device testing
- Non-hermetically sealed device testing
What do the numbers mean?
Vacuum & pumping1
- Temperature / humidity / pressure range
- ＋105.0℃ to ＋142.9℃ / 75%rh to 100%rh / 0.019 to 0.193 MPa (Gauge)[1]
Dimensions & facilities1
Configuration & options3
Vintage & configurations
Documented models & variants
What does it need to run?
Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.
- Temperature / humidity / pressure range＋105.0℃ to ＋142.9℃ / 75%rh to 100%rh / 0.019 to 0.193 MPa (Gauge)[1]
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Frequently asked questions
What class of equipment is the EHS-222MD?
The EHS-222MD is an environmental test chamber.[1]
Not publicly documented
The following facts about the EHS-222MD 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 EHS-222MD are on record.
Answerable by: OEM historical records or a trade-press announcement
The control-system platform and OS era of the EHS-222MD 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 EHS-222MD are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the EHS-222MD is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the EHS-222MD are on record.
Answerable by: an OEM parts catalog or a service engineer
No research found yet — worked with this tool? Share what you know.
Sources & citations
Sources (1)Every fact above is drawn from these public sources
- [1]espec.co.jp — espec.co.jpespec.co.jp
Last updated Oct 9, 2026.
