Dewar AStandard side looking Dewar with two SMA outputs, and case ground. It is 5.25 inches [13.3 cm] tall, 2.5 inches [6.35 cm] diameter. LN2 hold time is 8 hours. The pumpout valve is a 0.5 inch insert valve and requires the VO-2 valve operator. |
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Dewar JThe standard side looking Dewar with an integral preamplifier box has 12 hour LN2 hold time. The dimensions are 6.75 inch [17.15 cm] tall, 2.5 inches [ 6.35 cm ] diameter, detector center line is 1.45 inches [3.68 cm] from the base. The pumpout valve is a 0.25 inch insert which requires the VO-1 valve operator. |
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Dewar DJThe down looking version of the J Dewar with integral preamplifier box is 6.75 inches [ 17.15 cm] tall and 2.5 inch [6.35cm] diameter. The detector center line is the axis of the Dewar. The detector is 1.03 cm from the front surface of the window. [optional location of detector is 0.6 cm from front surface of window.] LN2 hold time is 12 hours. The pumpout valve is a 0.25 inch [12.7mm] insert over the amplifier box and requires the VO-1 valve operator. |  |
Dewar LJLow version of the J Dewar with integral preamplifier box is 5.25 inches [13.3 cm] tall and 2.5 inch [6.35cm] diameter. The detector center line is 1.45 inch [3.68 cm] from the base. LN2 hold time is 8 hours. The pumpout valve is a 0.5 inch [12.7mm] insert in back, over the amplifier box, 30 degrees offset counterclockwise which requires the VO-2 valve operator. |
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Dewar FJThe model FJ Dewar has the same amplifier box as the standard sidelooking J Dewar, but has 40 hour LN2 hold time. The diameter is 3.5 inches [8.89 cm], and height is 8 inches [20.32cm]. The attached box can hold one or two amplifiers. The Dewar can hold one detector or two detectors [side by side, 0.27 inches apart]. The Dewar has an attached square base, with four mounting holes. | |
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DEWAR TJA tall version of the standard side looking Dewar with preamplifier box has 24 hour LN2 hold time. It is 11 inches [ 27.94cm] tall, and has a 2.5 inch [ 6.35 cm] diameter. The detector center line is 1.45 inch from base. The pumpout valve is a 0.5 inch [ 1.27cm] insert which requires the VO-2 valve operator . |
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