CNRD Dewars

These dewars are similar to the RD series, but have a completely enclosed nitrogen reservoir. Access to the nitrogen reservoir is through separate fill and vent tubes. This design, along with the multi-layer superinsulation around the nitrogen reservoir, results in a reduced nitrogen consumption and less frozen condensation at the top of the unit.

Model CNRD Liquid Helium Research Dewars by Janis Research

Model A B Nominal
Helium Capacity Nominal
Nitrogen Capacity
5CNRD 5 9 8 Liters 11 Liters
6CNRD 6 10 11 Liters 13 Liters
7CNRD 7 11 16 Liters 15 Liters
8CNRD 8 13 20 Liters 22 Liters
9CNRD 9 14 26 Liters 24 Liters
10CNRD 10 15 32 Liters 27 Liters
12CNRD 12 17 46 Liters 31 Liters
NOTE: Other sizes available.

Table of Contents

Pages

Introduction 1

CNDT Dewars 2, 3

CNDT-NMR Dewars 4

CNDT-UHV Dewars 5

RD Dewars 6

CNRD Dewars 7

VSRD Dewars 8

Storage Dewars 9

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