StableClimate® II 

Constant Climate Chambers

Whether your testing is for R&D, shelf life, accelerated aging or steady-state testing, our constant climate chambers provide a stable, temperature/humidity conditioned environment for worry-free operation with a control system that is easy to use and saves you time.

StableClimate® II chambers are available in temperature or temperature and humidity models.  These constant climate chambers are ideal for shelf life, package testing, accelerated aging for a variety of applications including;  Medical Products/Packaging; Personal Care Products; Consumer Products and Research. 

Stability Testing Quote

  • Simple set-up & easy to use
  • Stable, worry-free operation
  • Meets ICH Q1A Guidelines
  • Precise Uniformity

Features Video


  • Specifications
  • Instrumentation
  • Cabinet
Model ST(H)-24 ST(H)-52 ST(H)-82
Workspace Volume 24 cu. ft.
(680 L)
52 cu. ft.
(1473 L)
82 cu. ft.
(2322 L)
Internal Dimensions
W x D x H
Inches (cm)
24.5 x 28 x 60.5
(62 x 71 x 154)
54 x 28 x 60.5
(137 x 71 x 154)
84 x 28 x 60.5
(213 x 71 x 154)
External Dimensions
W x D x H
Inches (cm)
33 x 35 x 90
(84 x 89 x 229)
63 x 35 x 90
(160 x 89 x 229)
94 x 35 x 91.2
(239 x 89 x 231)
Temperature Range
+2°C to +70°C
Optional Humidity Range
20% to 95% RH (optional lower RH available)
Temperature Tolerance
Humidity Tolerance
Temperature Uniformity
Humidity Uniformity
No. of Shelves 3 6 9
Voltage 115V 230V 230V
Touch Screen Controller
  • The CSZ EZT-570 Touch Screen is a 21 CFR Part 11 compliant controller with built-in features including data logging, Ethernet control and monitoring, alarm notification via email and/or phone text message, data file backup system, full system security, audit trail, digital signatures, power recovery options and more.
  • Ethernet and EIA-485 computer interface
Stability Test Chamber
  • Horizontal air flow for precise temperature uniformity
  • One, two or three door models
  • Three, solid slide-out stainless steel shelves per door
  • Glass doors with lock
  • Compact size and casters
  • 2” (5 cm) cable port
  • IQ, OQ, PQ validation available

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