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Summary of Contents for Fluke Victoreen 451P
- Page 1 ® Victoreen 451P & 451P-DE-SI Ion Chamber Survey Meter Operators Manual February 2005 Manual No. 1020101000 Rev. 2 ©2004, 2005 Fluke Corporation, All rights reserved. Printed in U.S.A. All product names are trademarks of their respective companies...
- Page 2 Fluke Biomedical Radiation Management Services 6045 Cochran Road Cleveland, Ohio 44139 440.498.2564...
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Page 3: Table Of Contents
Table Of Contents ..............1-1 Section 1: General Information Introduction ....................1-1 Features....................... 1-1 Receiving Inspection..................1-2 Specifications....................1-2 ..................2-1 Section 2 Operation External Controls ..................2-1 Installation....................2-2 ..............3-1 Section 3: Theory Of Operation Introduction ....................3-1 Firmware...................... -
Page 5: General Information
General Information Introduction Section 1 GENERAL INFORMATION 1.1 Introduction The Model 451P Ion Chamber Survey Meter is a hand-held, pressurized, battery operated unit designed to measure gamma and x-ray radiation above 25 keV, and beta radiation above 1 MeV, using the latest CMOS and LCD technology. -
Page 6: Receiving Inspection
Upon receipt of the unit: 1. Check the shipping cartons(s) and their contents for in-shipment damage. If damage is evident, file a claim with the carrier and contact Fluke Biomedical, Radiation Management Services Repair Coordinator at 440.498.2564 or 800.850.4606 immediately. - Page 7 General Information Specifications Warm-Up Time Less than one minute for initial operation when the instrument is in temperature equilibrium with the surrounding area and about 4 minutes for readings less than 20 μR/h in a 10 μR/h or less background Drift After seven minutes operation, 0.04 mR/h equivalent, or less Response Time...
- Page 8 Victoreen 451P & 451P-DE-SI Operators Manual Model 451P Typical Energy Response Side Face Front 1000 10000 Energy (keV) Model 451P -DE-SI Typical Energy Dependence Dose equivalent units were determined using conversion coefficients at H*(10), found in ICRU 47, April, 1992.
- Page 9 General Information Specifications Survey Meter Angular Response...
- Page 10 Victoreen 451P & 451P-DE-SI Operators Manual...
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Page 11: Operation
Operation External Controls Section 2 Operation 2.1 External Controls There are two external controls on the survey meter: an ON/OFF button and a MODE button. 2.1.1 ON/OFF Button Press the ON/OFF button to turn the unit on. All the elements in the display turn on and the microprocessor runs through an initialization procedure. -
Page 12: Installation
If the unit passes the self-test, it will go into the normal operating mode. If the unit fails the self-test, it will remain locked with the firmware revision displayed. Consult a Fluke Biomedical, Radiation Management Services Repair Coordinator for corrective action. - Page 13 2. The 451 communication transmitter/RCR pair is active when it detects a negative mark voltage at the receiver input. (CO) shall appear on the 451 display. 3. Press space bar twice. If there is still a problem, consult the Fluke Biomedical, Radiation Management Services Repair Coordinator for further instructions.
- Page 14 Victoreen 451P & 451P-DE-SI Operators Manual...
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Page 15: Theory Of Operation
Theory Of Operation Introduction Section 3 Theory Of Operation 3.1 Introduction NOTE The user is cautioned about indiscriminately opening and disassembling the instrument. ionization chamber is pressurized and sealed at the factory, because the high impedance circuits of the ion chamber are easily contaminated with grease and dirt that produce electrical leakage. -
Page 16: Firmware
3.2 Firmware The program in the 451 ROM is proprietary to Fluke Biomedical, Radiation Management Services. The firmware version appears in the digital part of the LCD display (prior to the “all elements on” display) when the instrument is turned on. The firmware program consists of three main parts: operation, communication, and monitoring. -
Page 17: Maintenance
4.3 Storage Storage of Fluke Biomedical, Radiation Management Services instruments must comply with Level B storage requirements as outlined in ANSI N45.2.2 (1972), Section 6.1.2 (.2). The storage area shall comply with ANSI N45.2.2 (1972), Section 6.2 Storage Area, paragraphs 6.2.1 through 6.2.5. -
Page 18: Battery Replacement
Victoreen 451P & 451P-DE-SI Operators Manual 4.4 Battery Replacement The LOW BAT message will appear on the display approximately six hours prior to the instrument becoming inoperable. To ensure that the instrument operates to specification, it is recommended that the batteries be changed within 4 hours after the LO BAT message appears. -
Page 19: High Voltage Battery Board Replacement
8. Replace the 9-volt batteries, being sure to observe proper polarity. 4.6 Replaceable Parts Information Fluke Biomedical, Radiation Management Services maintains a complete inventory of all normal replaceable parts. To place an order, or to obtain information concerning replaceable parts, contact the Fluke Biomedical, Radiation Management Services Repair Coordinator at 800.850.4606, 440.498.2564,... -
Page 20: Recalibration And Service Information
Victoreen 451P & 451P-DE-SI Operators Manual 4.7 Recalibration And Service Information If your instrument needs recalibration or repair, we request that you consult the Fluke Biomedical, Radiation Management Services Repair Coordinator at 800.850.4606, 440.498.2564, or Fax: 440.542.3682. More information concerning the operation, application, or service of your instrument may be obtained... - Page 22 Fluke Biomedical Radiation Management Services 6045 Cochran Road Cleveland, Ohio 44139 440.498.2564...