Page 3 - Table of Contents; Supply
i Table of Contents Section 1: Introduction ................................................................................................ 1-1 1.1 General Description ..................................................................................... 1-1 1.2 Specifications..........................
Page 5 - Section 1; Introduction; General Description
Introduction General Description 1 1-1 Section 1 Introduction 1.1 General Description Containment Monitor 875 The 875 Containment Monitor has been qualified for use in Nuclear Safety related applications. Qualification Test Reports, 950.301, 950.308A, and 950.310A define the parameters that have bee...
Page 7 - Equipment Overview
Introduction Specifications 1 1-3 Relative Humidity (Storage): 0 to 95% (non- condensation) Relative Humidity (Operating): 0 to 90% (non- condensation) Irradiation: 3.5 to 1 x 10 3 Rads @ 60°C integrated over 40 years life. Mounting 876-1-55, Rack Chassis Available Options (consult factory) 876A-100...
Page 12 - Receiving Inspection
Victoreen 875 Operators Manual 1-8 Figure 1-5. High-Range Detector, Recommended Installation 1.4 Receiving Inspection Upon receipt of the unit: 1. Inspect the carton(s) and contents for damage. If damage is evident, file a claim with the carrier and notify Fluke Biomedical, Radiation Management Serv...
Page 15 - Section 2; Installation
Installation Installation 2 2-1 Section 2 Installation 2.1 Installation Installation of the monitoring system consists of selecting suitable mounting sites for each component of the system, mounting each of the components, and connecting the components into the system configuration. Installation of ...
Page 17 - Cable and Wiring Installation
Installation Installation 2 2-3 done until cable is pulled and tested. (Refer to the procedure Cable-877, in Appendix B, for more information.) Minimum bend radius of the 878-1-9 cable is four inches. When bending conduit or flex hose, take this into consideration. Typical bend radius for P/N 878-12...
Page 19 - Section 3; Operation
Operation Operation 3 3-1 Section 3 Operation 3.1 Operation Once installation is completed, operation is fully automatic. The 876A-1 Readout Module continuously indicates the level of radioactivity measured at the detector site. When the radiation level exceeds an alarm set point, an alarm is actuat...
Page 21 - Section 4; Function Description; Functional Description
Function Description Functional Description 4 4-1 Section 4 Function Description 4.1 Functional Description High-Range Containment Monitor Detector 877-1 The high-range containment monitor detector is an ion chamber detector that has the appearance of a six-inch diameter domed cylinder about seven i...
Page 31 - Section 5; Maintenance, Calibration, and Troubleshooting
Maintenance, Calibration, and Troubleshooting Maintenance 5 5-1 Section 5 Maintenance, Calibration, and Troubleshooting 5.1 Maintenance The monitor is designed to operate for long periods in the containment without attention. The following replacement schedule should keep the monitor in trouble-free...
Page 34 - Power Supply Measurements; Signal Input Circuit
Victoreen 875 Operators Manual 5-4 5.4 Power Supply Measurements (P/N 876-1-89 Schematic 876-1-3C) Turn the 876A-1 on by turning the function switch to the ALL position. Allow all equipment, including the readout module, to warm up for at least 60 minutes before attempting any calibration. Adjust th...
Page 35 - Metering Circuit
Maintenance, Calibration, and Troubleshooting Signal Input Circuit 5 5-5 TP501 +5 V -2.8 V TP502 -1.5 V +6.3 V These voltages are approximate and actual values may differ somewhat. Any marked departures from these values is an indication of a malfunction. 5.6 Metering Circuit (P/N 876A-1-3E, Schemat...
Page 36 - High Alarm Circuit
Victoreen 875 Operators Manual 5-6 *Normal here signifies a small radiation signal so that the voltage at TP502 is close to zero volts. Both of the solenoids of the alert and high alarm circuits must operate for the CHANNEL TEST lamp to light. The lighting of the CHANNEL TEST lamp does not of itself...
Page 40 - Outputs of U206 Pulse Generator on the ECS Board
Victoreen 875 Operators Manual 5-10 2. An auxiliary pulse from pin 3 of U208 to the automatic pulse generating circuits resets them so that an automatically generated pulse will be present 17.1 minutes later if the ECS Test is not conducted manually during that time. The purpose of this pulse is to ...
Page 43 - Appendix A; Calibration and Test Procedures; A.1 Calibration Procedures; A.2 Test Procedures
Appendix Calibration and Test Procedures A A-1 Appendix A Calibration and Test Procedures A.1 Calibration Procedures Document Number Description CAL877-1 High Range Detector 877-1 Calibration REPORT 877 Calibration of Model 877 to 3.0 MeV The calibration and data listed above is for reference only a...
Page 45 - Appendix B; Cable and Pull Box Procedures; B.1 Cable and Pull Box Procedures
Appendix Cable and Pull Box Procedures B B-1 Appendix B Cable and Pull Box Procedures B.1 Cable and Pull Box Procedures Document Number Description CABLE-877 HRCM Cable Termination and Installation Procedure 878-12-3 High-Range Containment Monitor Pull Box Cover Installation Procedure
Page 47 - Appendix C; Applicable Drawings and Bill of Materials; C.1 Applicable Drawings
Appendix Applicable Drawings and Bill of Materials C C-1 Appendix C Applicable Drawings and Bill of Materials C.1 Applicable Drawings Document Number Description GEL876-1-55 Rack Chassis & Recommended Seismic Mtg. GEL876A-1 Readout Module Dimensional Outline GEL875-1 Interconnection Diagram High...
Page 49 - C.2 Applicable Bill of Materials
Appendix Applicable Bill of Materials C C-3 C.2 Applicable Bill of Materials Document Number Description 875-1 876A-1 Readout with 877-1 Detector 876A-1 High-Range Containment Monitor Readout 876-1-55 Rack Chassis 876A-1-108 High-Range Containment Monitor Readout Assembly 876A-1-Kit Mating Connector...