ESPEC Quality is more than a word


Industrial Ovens High Performance Clean Oven

Overview of Equipment

ISO Class 5 clean oven

Thanks to HEPA filters, and an horizontal laminar circulation system, baking, heat treatment or drying of components requiring clean air conditions can be conducting in our High Performance Clean Oven.
The PVHC model provides stable performance even during heat up or pull down at high temperatures of +150°C or more.

Zero contamination test area
All internal joints are welded to ensure an airtight structure, and prevents insulation materials' leak from joints.
Instrumentation according to applications
Standard instrumentation or M-instrumentation available, from simple heat-treatment application to more elaborated temperature-characteristics testing.

Please scroll horizontally to look at table below.

Model Temperature range Inside/Outside
PVC-212 Ambient temp.
+60°C (+108°F) to +200°C (+392°F)
W580×H530×D580 /
PVC-232 W580×H1130×D580 /
PVC-332 W800×H1130×D750 /
PVHC-212 Ambient temp.
+60°C (+108°F) to +350°C (+662°F)
W580×H530×D580 /
PVHC-232 W580×H1130×D580 /
PVHC-332 W800×H1130×D750 /
PVHC-232MS Ambient temp.
+60°C (+108°F) to +300°C (+572°F)
W580×H1130×D530 /
PVHC-332MS W800×H1130×D700 /
  • * Please contact us when using in a clean room.
  • * Specify M-instrumentation for temperature programs with three or more steps.


Class 5 cleanliness level
Class 5 cleanliness level is achieved by employing HEPA filters and a back-tofront horizontal laminar circulation system which produces uniform hightemperature airflow.
Distance of airflow in the chamber is shortened, resulting in smooth air delivery in between specimens and uniform heat treatment. Additionally, it prevents dust generated from specimens placed upstream from flowing downstream.
The upr ight design with ins t r umentation, heater, and other mechanisms gathered on the upper side saves installation space.
Airtight structure ensures zero contamination
All internal seams are welded to create an airtight structure. This prevents leakage of insulation materials from joints which would lead to chamber contaminat ion. Vibrat ion is also eliminated from affecting the specimens.
Highly precise non-oxidative environment
Heat treatment and temperature character istic tests in any desired nonoxidized environment are possible thanks to an O2 concentration indication adjuster with oxygen sensor (optional) and an N2 gas injector (optional).
Automated operation throughout heat treatment process (High-performance model)
An automatic damper is provided as standard for automation in all processes from temperature heat-up to heat treatment and temperature pull-down.
High level of cleanliness during temperature heat-up and pull-down (High-performance model)
The high-performance model delivers dedicated cleanliness throughout wide temperature ranges by employing HEPA filters which provide stable filtering even during temperature changes above +150°C. Useful for heat treatment in liquid crystal production lines.
Industrial Ovens High Performance Clean Oven
Horizontal laminar circulation system

* The performance levels are given as representative examples.

Test Chambers