manualshive.com logo in svg

Ludlum Measurements 194 Series, Руководство пользователя

Поделиться
Скачать
Ludlum Measurements 194 Series Скачать руководство пользователя страница 13

Model 194 Seires   

 

 

   

User’s Manual 

              

Section 4 

Ludlum Measurements, Inc.

                                                  Page 4-2                                                                   October 2020 

 

 

Proceed  to  use  instrument.  Use  the  LO  range  whenever  possible,  and 

switch  to  the  HI  range  if  needed.  If  the  display  over-ranges  in  the  HI 
range, use another instrument to measure the radiation level. 

 

 

Содержание 194 Series

Страница 1: ...LUDLUM MODEL 194 SERIES DOSE EQUIVALENT RATE METER June 2021 Serial Number 350220 and Succeeding Serial Numbers ...

Страница 2: ...LUDLUM MODEL 194 SERIES DOSE EQUIVALENT RATE METER June 2021 Serial Number 350220 and Succeeding Serial Numbers ...

Страница 3: ......

Страница 4: ...ny implied warranty of merchantability or fitness which extend beyond the description of the face there of If the product does not perform as warranted herein purchaser s sole remedy shall be repair or replacement at the option of Ludlum Measurements In no event will Ludlum Measurements be liable for damages lost revenue lost wages or any other incidental or consequential damages arising from the ...

Страница 5: ...es 4 Calibration 5 Non Radiation Adjustment 5 1 Calibration Equipment Required 5 1 Initial Calibration Procedures 5 2 Cs 137 Gamma Range Calibration 5 3 Cs 137 Gamma Range Overload Check 5 3 Safety Considerations 6 Environmental Conditions for Normal Use 6 1 Warning Markings and Symbols 6 1 Cleaning and Maintenance Precautions 6 2 Spare Parts List 7 Recycling 8 Drawings and Diagrams 9 ...

Страница 6: ...d can measure background levels of radiation as well as higher levels The Model 194 is similar to a Micro R meter in sensitivity but has a flat energy response and measures ambient dose equivalent not exposure Most Micro R meters utilize sodium iodide NaI which over responds to many common gamma ray energies causing incorrect high readings The Model 194 measures dose specifically ambient dose equi...

Страница 7: ... for extremely low levels of energy The detector extends from the aluminum can and has a low energy metallized polyester window to enhance sensitivity for gamma rays in the 10 60 keV range A vinyl cap covers and protects the thin window when not being used The Model 194 is powered by two AA alkaline batteries located in a sealed compartment on the front panel Battery life will depend on many facto...

Страница 8: ... or other protective enclosure Every returned instrument must be accompanied by an Instrument Return Form which can be downloaded from the Ludlum website at www ludlums com Find the form by clicking the Support tab and selecting Service Department from the drop down menu Then choose the appropriate Repair and Calibration division where you will find a link to the form Note Ludlum Measurements Inc ...

Страница 9: ...for low range typically set to calibrate the high point 80 of full scale reading LZERO controls linearity for low range set at background or at a low point 10 of full scale reading H HV controls detector voltage for high range typically set to calibrate the high point 80 of full scale reading HZERO controls linearity for high range set at background or at a low point 10 of full scale reading AUDIO...

Страница 10: ...stable from front panel calibration controls during calibration variable from approximately 250 to 1200 Vdc Operating Voltage two ranges LO and HI LO 0 to 1999 µrem hr or 0 00 to 19 99 µSv h HI 0 0 to 199 9 mrem hr or 0 to 1999 µSv h Response Time in the F fast position response time is 3 seconds and 15 seconds in the S slow position both measurements made for a response from 10 to 90 of the final...

Страница 11: ...power is less than 2 1 V the green LED will not light and the user should immediately replace batteries Audio Output built in unimorph speaker and AUD ON OFF switch provided on the front panel Audio increasing radiation levels indicated by higher frequency pitch enabled or disabled by the AUD ON OFF switch Temperature from 10 to 50 C 14 to 122 F Display will tend to freeze if kept below 0 C 32 F f...

Страница 12: ...the batteries have proper polarity or replace batteries with fresh batteries Turn the instrument to the LO position In a non radiation area it should show background radiation levels approximately 10 µrem hr or 0 1 µSv h If available expose the instrument to a gamma check source placing the source in a reproducible position and distance relative to the detector If the display over ranges showing a...

Страница 13: ...Ludlum Measurements Inc Page 4 2 October 2020 Proceed to use instrument Use the LO range whenever possible and switch to the HI range if needed If the display over ranges in the HI range use another instrument to measure the radiation level ...

Страница 14: ...dio potentiometer is set completely counter clockwise audio is completely quiet until approximately 100 µrem hr 1 0 µSv h Calibration Equipment Required All instruments used in calibrating the Model 194 must be calibrated by standards traceable to the National Institute of Standards and Technology and must have a current calibration label attached A voltmeter or multimeter capable of measuring DC ...

Страница 15: ...µSv h and if so ensure that the internal dipswitch SW5 is set for position 1 ON and position 2 OFF Otherwise internal dipswitch SW5 is set for position 1 OFF and position 2 ON 5 Remove the CAL cover on the front panel to access the calibration potentiometers Open the instrument to access the test points on the main board Each test point is labelled For first time calibration only In a low backgrou...

Страница 16: ...er marked H HV until the instrument LCD shows 150 0 mrem hr 1500 µSv h within 10 6 Change the calibrated field to 15 0 mrem hr expose the detector and confirm that the LCD shows 15 0 mrem hr 150 µSv h within 10 IF necessary adjust the potentiometer marked HZERO in order to correct the reading For a less jumpy reading toggle the F S switch to S slow 7 Document all four readings above on an appropri...

Страница 17: ...eries User s Manual Section5 Ludlum Measurements Inc Page 5 4 October 2020 Note It may take the instruments a few less than 5 minutes to recover and measure low radiation fields properly after this overload test ...

Страница 18: ...condensation This is typical of industrial or construction sites Warning Markings and Symbols Caution The operator or responsible body is cautioned that the protection provided by the equipment may be impaired if the equipment is used in a manner not specified by Ludlum Measurements Inc The Model 194 DOSE EQUIVALENT RATE METER is marked with the following symbols CAUTION per ISO 3864 No B 3 1 desi...

Страница 19: ...cling for further information The CE mark is used to identify this instrument as being acceptable for use within the European Union Cleaning and Maintenance Precautions The Model 194 may be cleaned externally with a damp cloth using only water as the wetting agent Observe the following precautions when cleaning or performing maintenance on the instrument 1 Turn the instrument OFF and remove the ba...

Страница 20: ... Detector with µSv hr Display 48 4388 1 Portable Calibration Cover 9363 200 LCD DMS 30LCD 1 5B C with Retainer Ring 07 6212 Switch Seal N9030 1 4 Shaft Seal 08 6615 Switch Seal N5032B Toggle Boot 3 ea 08 6692 Model 194 Main Board 5475 090 Model 44 225 Lead Loaded Scintillator Detector 47 4363 EJ560 1 10 x 2 mm Optical Pad 01 5804 Model 194 1 14 inch PMT Volts 200A lm 01 6002 Model 194 1 1 8 inch V...

Страница 21: ...ther but simply desires to inform its consumers of the range of recyclable materials present in its products so that the user will have flexibility in following all local and federal laws The following types of recyclable materials are present in Ludlum Measurements Inc electronics products and should be recycled separately The list is not all inclusive nor does it suggest that all materials are p...

Страница 22: ...Model194Series User s Manual Section9 Ludlum Measurements Inc Page 9 1 October 2020 Drawings and Diagrams Model 194 Wiring Diagram Drawing 475 x 103 Section 9 ...

Страница 23: ......

Отзывы:

Нет отзывов

Бренды по названию

Популярные бренды

Загрузить еще бренды