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pmt accessory

Photomultiplier tube accessories

PMT accessories designed specifically to simplify implementation, such as high voltage power supplies, socket assemblies, amplifier units, and thermoelectric coolers.

Amplifier units & modules

Amplifier units and modules designed for use with photomultiplier tubes and current output PMT modules.

Counting units (USB compatible)

Counting units with a USB interface that can be used as a photon counter when combined with a photon counting head.

D-type socket assemblies

The D-type socket assemblies contain a voltage divider circuit along with a socket in a compact metallic or plastic case.

DA-type socket assemblies

In addition to the circuit elements of the D-type socket assemblies, the DA-type socket assemblies include an amplifier that converts the low-level, high-impedance current output of a PMT into a low-impedance voltage output.

DP/DAP-type socket assemblies

DP-type socket assemblies comprise a built-in high-voltage power supply circuit added to a D-type socket assembly. DAP-type has a current-to-voltage conversion amplifier and a high voltage power supply, efficiently added to the circuit components of the D-type socket assembly.

High-voltage power supplies

High-voltage power supplies designed to meet stability requirements for PMT operation. Models range from on-board to general-purpose bench-top units.

Magnetic shield cases

Magnetic shield cases ensure a stable output for PMTs operating in proximity to magnetic fields. The shielding factor can be attenuated from 1/1000 to 1/10000.

Photon counting units (BNC compatible)

Photon counting units are designed to convert single photoelectron pulses from a PMT into 5 V digital signals through built-in amplifier and discriminator circuits.

Stabilized light sources

LED light sources designed to adjust the sensitivity of PMTs and PMT modules. They contain a photodiode to monitor and control the LED emission intensity for a stable light output of approximately 1 pW.

Thermoelectric coolers

Thermoelectric coolers reduce the thermal electrons emitted from PMT photocathode which improves signal-to noise ratio. A built-in electrostatic and magnetic shield minimizes external noise.

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