Cincinnati Sub-Zero StableClimate® II Stability Chambers

Cincinnati Sub-Zero StableClimate® II Stability Chambers

Product Overview:

  • Simple set-up & easy to use
  • Stable, worry-free operation
  • Meets ICH Q1A Guidelines
  • Precise Uniformity
  • UL/CUL 61010-1 Listed
  • One, Two and Three Door models
  • Three shelves per door
  • Stainless steel interior
  • Glass door with lock
  • Compact size & casters



Stability Testing for shelf life, accelerated aging, ICH Q1A

Whether your testing is for R&D, clinical trials or ongoing stability, our stability 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 stability chambers are available in temperature or temperature and humidity models.  CSZ stability chambers are ideal for ICH Q1A stability testing, shelf life, package testing, accelerated aging for a variety of applications including; Pharmaceutical Products/Packaging; Medical Products/Packaging; Personal Care Products; Consumer Products and Research. All stability chambers meet the ICH Q1A pharmaceutical stability guidelines for a variety of storage conditions.


Long Term:


2-8°C, 25°C/60% RH, 25°C/40% RH, 30°C/35% RH or 30°C/65% RH

30°C/65% RH

40°C/75% RH, 25°C/60% RH



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 90

(239 x 89 x 229)
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, 60Hz or 

230V 50 Hz.
230V, 50/60 Hz 230V, 50/60 Hz.


  • The CSZ EZT-570S Touch Screen Controller offers a choice to navigate like a smartphone or windows-based navigation. Includes 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


  • 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