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HAMAMATSU
RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES

RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES

Product catalog summary

Introduction
This document provides comprehensive information on Hamamatsu's ruggedized high-temperature photomultiplier tubes, available in diameters from 13 mm to 51 mm. These tubes feature high-temperature bialkali photocathodes, ensuring stable operation at temperatures up to 90°C, 175°C, or 200°C, suitable for harsh environments like oil well logging, geological exploration, and aerospace applications. Custom production and complete assemblies are available upon request.

Applications
The photomultiplier tubes are designed for:

Oil well logging (Wireline, MWD, and LWD)
Geological exploration
Gauge meters
Aerospace research

Index by Type Number
An index by type number is included for quick reference to different tube types and specifications.

General Characteristics
The document discusses the long-life characteristics and pulse height resolution comparisons across different diameters of photomultiplier tubes.

Technical Information
Technical details focus on count rate characteristics and other performance metrics of the photomultiplier tubes and their assemblies.

Notes and Basing Diagrams
Detailed notes and basing diagrams assist with the installation and operation of the tubes.

Cautions and Warranty
The document concludes with cautions and warranty information to ensure proper use and maintenance of the photomultiplier tubes.

Technical Specifications and Performance
Figures illustrate the impact of temperature on pulse height and resolution for various photomultiplier tubes. High temperatures degrade performance, but parameters recover near initial values at room temperature. The pulse height resolution is influenced by the scintillator's emission efficiency.

Fatigue and Plateau Characteristics
Figures present fatigue and plateau characteristics under continuous operation and varying temperatures. The R1288AH model shows improved stability at high temperatures compared to the R1288A.

Lower Level Discriminator (LLD) Settings
The LLD should be optimally set to account for decreased output at high temperatures, ensuring the plateau region is achieved below the rated voltage.

Screening and Vibration Tests
Figures detail screening conditions involving vibration tests to ensure anode output stability, with variations kept within ±5%.

Count Rate Characteristics
Active divider circuits are recommended to maintain gain stability at high count rates while limiting power consumption.

Precautions and Warranty
High voltage operation poses a shock hazard, and PMTs should be handled with care. The warranty covers defects in workmanship or materials for 12 months but excludes damages from mishandling or accidents.

Company Overview
Hamamatsu Photonics K.K., based in Japan, specializes in photonics products, operating through various divisions and offering a wide range of products and services globally.

Main Products
The company provides electron tubes, photomultiplier tubes, microchannel plates, image intensifiers, various lamps, laser products, microfocus X-ray sources, X-ray imaging devices, and opto-semiconductors.

Imaging and Processing Systems
They offer cameras, image processing systems, X-ray products, life science systems, medical systems, and more.

Laser Products
Their laser product line includes semiconductor lasers and solid-state lasers.

Global Presence
Hamamatsu Photonics has a strong global presence with sales offices worldwide, providing localized support and services.

Quality Assurance
The company emphasizes quality, technology, and service, noting that specifications are subject to change without notice.

Catalog excerpts

RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-2

Introduction This catalog provides the latest information for Hamamatsu ruggedized high temperature photomultiplier tubes ranging in diameter from 13 mm (1/2") to 51 mm (2"). All listed tubes employ high temperature bialkali photocathode that feature stable operation and long life at temperatures up to 90 °C, 175 °C or 200 °C. The electrode supporting structures have been designed so that tubes can be used in severe environments such as may be found in oil well logging, geological exploration, and aerospace applications. If you do not find the tube that meets your needs in this brochure, we will...

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-4

Quick reference Diameter Maximum temperature Temporary base Button stem Product photo

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-5

Maximum temperature Temporary base Button stem Product photo Highly ruggedized types Type No. are suitable for MWD application.

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-6

Maximum temp. Socket or resistor value Base configration MWD Anode to appl. cathode voltage Dynode structure Maximum ratings Average anode current Anode to cathode voltage Button stem Temporary base Temporary base Button stem Dimensional outlines and basing diagrams (Unit: mm) R4177-01/-06 A Lead orientation bottom view 25.7° B Temporary base removed Distribution ratio codes A Voltage distribution ratio K: Cathode Dy: Dynode P: Anode K * The parentheses indicate the value of capacitors in pF. Voltage distribution ratios Number of stages

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-7

Sine vibration Cathode sensitivity Blue sensitivity index (CS 5-58) at 25 °C Anode sensitivity and characteristics Gain at 25 °C ANODE OUTPUT AWG22 (VIOLET) GND/+HV C3 AWG22 (RED) STAINLESS STEEL CASE ANODE OUTPUT AWG22 (VIOLET) HA-TREATMENT, MAGNETIC SHIELD GND/+HV AWG22 (RED) -HV/GND AWG22 (BLACK)

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-8

Maximum temp. Socket or resistor value Base configration MWD Anode to appl. cathode voltage Dynode structure Maximum ratings Average anode current Anode to cathode voltage Temporary base Temporary base Temporary base Dimensional outlines and basing diagrams (Unit: mm) R3991A/-04, R3991AH PHOTOCATHODE MAGNETIC SHIELD CASE B Temporary base removed P 6 DY10 DY9 9 5 ANODE OUTPUT AWG24 (VIOLET) ANODE OUTPUT AWG 22 (VIOLTET) A Lead orientation bottom view 25.7° Voltage distribution ratios Number of stages Distribution ratio codes C Voltage distribution ratio K: Cathode Dy: Dynode P: Anode K * The parentheses...

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-9

Cathode sensitivity Blue sensitivity index (CS 5-58) at 25 °C Sine vibration Anode sensitivity and characteristics !0 STAINLESS STEEL CASE ANODE OUTPUT AWG22 (VIOLET) GND/+HV AWG22 (RED) -HV/GND AWG22 (BLACK) HA-TREATMENT, MAGNETIC SHIELD ANODE OUTPUT AWG 22 (VIOLTET) GND/+HV AWG 22 (RED)

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-10

Maximum temp. Socket or resistor value Base configration MWD Anode to appl. cathode voltage Dynode structure Maximum ratings Average anode current Anode to cathode voltage Temporary base Button stem Temporary base Button stem Temporary base Dimensional outlines and basing diagrams (Unit: mm) R1288AH A Lead orientation bottom view 20° A Lead orientation bottom view 24° B Temporary base removed P Voltage distribution ratios Distribution ratio codes C 10 F Voltage distribution ratio K: Cathode Dy: Dynode P: Anode K * The parentheses indicate the value of capacitors in pF.

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-11

Sine vibration Cathode sensitivity Blue sensitivity index (CS 5-58) at 25 °C Anode sensitivity and characteristics ANODE OUTPUT AWG22 (VIOLET) FACEPLATE ANODE OUTPUT AWG22 (VIOLET) STAINLESS STEEL CASE DY3 ANODE OUTPUT AWG22 (VIOLET) HA-TREATMENT, MAGNETIC SHIELD ANODE OUTPUT AWG22 (VIOLET) DY9 MAGNETIC SHIELD CASE MAGNETIC SHIELD CASE * CAUTION: These tubes have open ends potted with silicon. Do not apply force to this potted portion, or do not fill any additional potting material. Either actions could damage the voltage divider built in.

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-12

Maximum temp. Socket or resistor value Base configration MWD Anode to appl. cathode voltage Dynode structure Maximum ratings Average anode current Anode to cathode voltage Temporary base Button stem Button stem Temporary base Dimensional outlines and basing diagrams (Unit: mm) R6877A/-04 A Lead orientation bottom view 20° Voltage distribution ratios Number of stages Distribution ratio codes C Voltage distribution ratio K: Cathode Dy: Dynode P: Anode K * The parentheses indicate the value of capacitors in pF.

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-13

Cathode sensitivity Blue sensitivity index (CS 5-58) at 25 °C Sine vibration Anode sensitivity and characteristics !0 STAINLESS STEEL CASE DY5 ANODE OUTPUT AWG22 (VIOLET) ANODE OUTPUT AWG22 (VIOLET) GND/+HV AWG22 (RED) HA-TREATMENT, MAGNETIC SHIELD DY9 MAGNETIC SHIELD CASE ANODE OUTPUT AWG22 (VIOLET) MAGNETIC SHIELD CASE ANODE OUTPUT AWG22 (VIOLET) GND/+HV AWG22 (RED)

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-14

Maximum temp. Socket or resistor value Base configration MWD Anode to appl. cathode voltage Dynode structure number of stages Average anode current Anode to cathode voltage Temporary base Button stem Temporary base Button stem Dimensional outlines and basing diagrams (Unit: mm) R9722A/-04 A Lead orientation bottom view 22.5° B Temporary base removed Voltage distribution ratios Distribution ratio codes G 10 H Voltage distribution ratio K: Cathode Dy: Dynode P: Anode K * The parentheses indicate the value of capacitors in pF.

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-15

Cathode sensitivity Blue sensitivity index (CS 5-58) at 25 °C Sine vibration Anode sensitivity and characteristics Gain at 25 °C Typ. SHIELD AWG26 (BLK/WHT) PHOTOCATHODE -HV/GND AWG22 (BLACK) SIGNAL OUTPUT COAX. RG-316/U SHIELD AWG26 (BLACK/WHITE) GND/+HV AWG22 (RED) DY10 HA-TREATMENT, MAGNETIC SHIELD R11 STAINLESS STEEL CASE

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RUGGEDIZED HIGH TEMPERATURE PHOTOMULTIPLIER TUBES-16

Maximum temp. Socket or resistor value Base configration MWD Anode to appl. cathode voltage Dynode structure number of stages Average anode current Anode to cathode voltage Button stem Button stem Highly ruggedized types 175 Dimensional outlines and basing diagrams (Unit: mm) R4607A-01/-06 STAINLESS STEEL CASE ANODE OUTPUT RG-316/U GND/+HV AWG22 (RED) HA-TREATMENT, MAGNETIC SHIELD GND/+HV AWG22 (RED) -HV/GND AWG22 (BLACK) SIGNAL OUTPUT COAX. RG-316/U Voltage distribution ratios Number of stages Distribution ratio codes G Voltage distribution ratio K: Cathode Dy: Dynode P: Anode K * (4700) (4700)...

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