beautypg.com

Validating the glove box – Labconco Precise Controlled Atmosphere and Basic Glove Boxes 5220131 User Manual

Page 24

background image

Chapter 3: Getting Started

Product Service 1-800-522-7658

20

Figure 3-10

Typical Tubing Connections for Dual Moisture/Solvent

Removal System Shown with the Automatic Pressure Controller

(Tubing Connection Kit 5242500 provides full details)

Validating the Glove Box

Each Precise Glove Box has been helium leak tested at the factory for
integrity and found to have no leaks greater than 1 x 10

-4

cc/sec while at a

positive pressure of 5 inches helium. Refer to Chapter 6, Initial Certification
and Appendix G for Helium Leak Test Method.

Overall Glove Box Main Chamber Leak Test
The Precise Controlled Atmosphere Glove Box has been tested with an oxygen
monitor detecting oxygen levels as low as 1 ppm; the rate of increase in
oxygen over time was determined in accordance with the ISO 10648-2 oxygen
leak decay test method. The results validate that the Precise Controlled
Atmosphere Glove Box meets Class 1 conditions for controlled atmosphere