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9103
User's Guide
Constant Temperature Block Assembly
The Block is made of aluminum and provides a relatively constant and accurate temperature
environment. Insert the sensor to be calibrated inside the block. The 1.25 in diameter well is used for
sensors of that size or can be sleeved down with various sized multi-hole probe sleeves. TEDs
surround the block assembly and provide even heat to the sensor. A high-temperature platinum RTD
embedded at the base of the block assembly senses and controls the temperature of the block. The
entire assembly is suspended in an air-cooled chamber thermally isolated from the chassis and
electronics.
Probe Sleeves
The probe sleeves are show in Figure 3.
The Product comes with a multiple-hole aluminum probe sleeve for insertion into the calibrator well and
tongs for removing sleeves. Probe sleeves of various hole sizes are available and allow the probe to fit
snugly into the well whatever the diameter of the probe.
One insert (whichever is ordered) is shipped with the unit. The insert types:
• Insert A (variety block): 1/2 in, 3/8 in, 1/4 in, 3/16 in, 1/8 in, and 1/16 in holes
• Insert B (comparison block): 2 each 3/8 in, 2 each 1/4 in, and 2 each 3/16 in holes
• Insert C (1/4 in comparison block): 6 each 1/4 in holes
• Insert D: 2 each 3 mm, 2 each 4 mm, and 2 each 6 mm holes
Figure 3. Interchangeable Inserts Available for the Block Assembly
A
1/16"
1/4"
1/2"
3/16"
1/8"
B
B
3/16"
3/8"
3/8"
1/4"
C
1/4"
1/4"
3/8"
3/16"
D
4 mm
3 mm
6 mm
3 mm
4 mm
6 mm
8
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