Terra Universal - Critical Environment Solutions
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Deionization Accessories
from Thermo Scientific

  • Measure resistivity of the water exiting the system
  • Obtain a “Go/No Go” indication of water purity
Depending on the deionization system, certain accessories are available. These can be easily added to either new or existing systems to provide the benefits described below.

Digital Monitor

  • Provides a digital direct reading of the resistivity of the water exiting the system. Temperature compensated to 25°C.
  • Fits conveniently into B-pure, as well as any 1.2" NPT opening
Digital Purity Monitor
Voltage Cell Thread Size Resistivity Range

Barnstead
Thermolyne
Part #

Cat. # $/Each
120VAC 1/2” NPTM
0.1-18.3 megohm-cm D2770 3613-59 Login
240VAC 1/2” NPTM
0.1-18.3 megohm-cm D2769 3613-59-220 Login

Pura-Lite

  • Provides “Go/No Go” indication of water purity
  • Green light indicates acceptable water purity, red light indicates unacceptable purity
  • Easily fits into B-pure holder or any 1.2" NPT connection
  • Various resistivity values to provide more flexibility in your individual water system
Pura-Lite
Voltage Cell Thread Size Resistivity Range

Barnstead
Thermolyne
Part #

Cat. # $/Each
120VAC 1/2” NPTM
50,000 ohms-cm E3450 3613-60 Login
120VAC 1/2” NPTM
200,000 ohms-cm E3451 3613-61 Login
120VAC 1/2” NPTM
1,000,000 ohms-cm E3452 3613-62 Login
240VAC 1/2” NPTM
1,000,000 ohms-cm E3456 3613-62-220 Login
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