Item NO :
SL-B0E30Front Load Single crystal sensors offer proven reliability and durability and have the best thermal stability of any sensor head on the market.
The front load design allows for easy insertion of the crystal holder in applications lacking sufficient room for side insertion. Assembled mechanically rather than soldered, parts can be replaced conveniently in the field, if necessary. Sensors can be ordered individually or in a sensor / feedthrough combination that can be either welded or assembled with compression fittings.
Front Load Single Sensor |
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Maximum bakeout temp with no water |
130° C |
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Maximum operating isothermal environment temperature with minimum water flow |
400° C |
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SL-A _ _ _ _ Size (maximum envelope without shutter) |
1.063" x 2.42" x 0.69" (27 mm x 61.47 mm x 17.53 cm) |
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SL-B_ _ _ _ Size (maximum envelope without shutter) |
1.11" x 1.06" x 1.06" (28.19 mm x 26.92 mm x 26.92 mm) |
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Water tube |
1/8" (3.175 mm) O.D. seamless stainless steel |
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Crystal exchange |
Front loading; self-contained package for ease of exchange |
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Mounting |
Two #4-40 tapped holes on the back of the sensor body |
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Installation Requirements |
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Feedthrough |
2 pass water 3/16" (4.8 mm) O.D. tubing with Microdot® coax connector |
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Other |
XIU or Oscillator to match specific controller, solenoid valve assembly 750-420-G1 for shuttered sensors |
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Water flow rate |
Minimum water flow 150-200 cc/min, 30° C max |
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Water quality |
Coolant should not contain chlorides as stress corrosion cracking may occur. Extremely dirty water may result in loss of cooling capacity. |
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Materials |
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Body and holder |
304 type stainless steel |
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Springs, electrical contacts |
Au plated Be-Cu |
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Water tubes |
S-304, 0.125" (3.175 mm) O.D. x 0.015" (0.381 mm) wall thickness seamless stainless steel tubing |
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Connector (Microdot) |
Stainless steel, Teflon® and glass insulated |
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Insulators |
>99% Al2O3 |
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Wire |
Teflon insulated copper |
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Braze |
Vacuum process high temperature Ni-Cr alloy |
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Crystal |
0.550" (13.97 mm) Diameter |
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Feedthrough Specifications 1" bolt and Ultra-Torr (compression fitting) terminations |
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Materials |
304 stainless steel, Teflon®, ceramic, beryllium nickel, VITON® |
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Temperature |
Operational environment to 300° C with water cooling or 165° C without |
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Mounting |
1.015" ±0.010" diameter aperture |
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Feedthrough Specifications CF 40 (2 3/4" ConFlat) welded terminations |
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Materials |
304 stainless steel, Teflon, ceramic, beryllium nickel |
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Temperature |
Operational environment to 450° C with water cooling or 165° C without |
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Mounting |
Mates with 2.75" ConFlat type flanges with 1.375" I.D. min. |