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Thermoelectric cooler



The C9144 series is a thermoelectric cooler designed for 28mm diameter side-on photomultiplier tubes (PMT). The C9144 series improves S/N (signal to noise ratio) of PMT measurement because of reduction of thermal electrons, which are emitted from PMT photocathode, and minimization of external noise by a built-in electrostatic and magnetic shield.


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Type For 28 mm Side-on PMT
Feature Built-in interface for controlling external equipment (D-sub)
Cooling Method Thermoelectric cooling using Peltier Elements
Heat Exchange Method Forced air
Cooling Temperature Approx. -25 deg.C (with ambient temperature of +25 deg.C)
Time to Stable Cooling Temperature Approx. 90 min.
Optical Window Material Synthetic silica (185 nm to 2200 nm)
Light Input Aperture Dimension 8 x 24 mm
Applicable PMT (Sold Separately) 28 mm (1-1/8") Dia. Side-on type
Applicable Socket Assembly (Sold Separately) C9145 (DP-type), E9146 (D-type)
Operating Ambient Temperature +5 deg.C to +35 deg.C
Operating Ambient Humidity Below 75 %
Storage Temperature -20 deg.C to +50 deg.C
Storage Humidity Below 85 %
Cooler Weight Approx. 1.7 kg

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