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Fuji Electric NRF51, User Manual

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TN5A4215b            2/58   

 

Introduction 

This User’s Manual explains the operation of the Electronic Personal Dosimeter NRF51 (For 

Gamma(X)-ray and neutron). It provides descriptions of parts, functions and operational instructions for 

optimal use. Please make sure that you read this manual carefully before operation.   

In the event of product malfunction, contact Fuji Electric representative immediately. 

 

Summary of Contents for NRF51

Page 1: ...TN5A4215b 1 58 User s Manual Electronic Personal Dosimeter For Gamma X ray and neutron NRF51 Fuji Electric Co Ltd...

Page 2: ...onal Dosimeter NRF51 For Gamma X ray and neutron It provides descriptions of parts functions and operational instructions for optimal use Please make sure that you read this manual carefully before op...

Page 3: ...devices 1 Mobile phone 2 Local wireless phone such as Personal Handy phone System PHS 3 High power transceiver 4 Microwave oven 5 Radar 6 Welding machine 7 Any other spark discharging or high intensi...

Page 4: ...5 1 Battery replacement 31 5 2 Clip replacement 32 5 3 USB connector cap replacement 32 6 Operational Instruction 33 6 1 When starting to use 33 6 2 During use Normal operation 35 6 3 During use When...

Page 5: ...es accumulated dose or dose rate When measured dose rate value exceeds preset dose rate alarm threshold NRF51 will activate audible alarm and flashes LED By using the Dosimeter Configuration Tool and...

Page 6: ...TN5A4215b 6 58 2 Contents 2 1 Standard product package 1 NRF51 1 pc 2 Accessory Battery AA alkaline battery 2 pcs 2 2 Model NRF51...

Page 7: ...e 3 2 Other requirements 1 See User s Manual of Dosimeter Configuration Tool for information on parameter writing and data reading via the device and a PC 2 Try turn OFF ON the NRF51 if you encounter...

Page 8: ...TN5A4215b 8 58 4 Description of Parts and Functions 4 1 Part names 105 60 29 21 8 Calibration mark USB connector Call button Battery cap Buzzer Clip Operating buttons Flash LED Auxiliary LED LCD...

Page 9: ...n parameters such as alarm threshold can be changed by these buttons Button Power ON OFF Screen switching Button Accumulated dose Dose rate switching Scrolling 7 Calibration Mark Shows location of cal...

Page 10: ...tion Tool d Accumulated dose dr Dose Rate D DR is selectable instead of d dr via Dosimeter Configuration Tool Icon area Date indication Note1 Battery life indication Note2 Accumulated dose or Dose rat...

Page 11: ...sound under the following circumstances Circumstance Audible signal sounds when Beep pattern Turn ON OFF NRF51 is turned on Data changed successfully Setting values of NRF51 have been changed using a...

Page 12: ...ng setting is selectable from the following 6 patterns for each alarm type but pattern No 6 can be selected by Low battery voltage only Pattern No 1 When alarm is generated the operating timing is sho...

Page 13: ...arm condition 3 Buzzer sound Buzzer sound setting is selectable from the following two settings for each alarm type ON When alarm is generated buzzer sounds OFF When alarm is generated buzzer doesn t...

Page 14: ...buzzer sounds 7 Vibrator Vibrator setting is selectable from the following two settings for each alarm type ON When alarm is generated vibrator operates OFF When alarm is generated vibrator doesn t op...

Page 15: ...umulated dose overload 8 Gamma ray accumulated dose overload 9 Neutron dose rate overload 10 Gamma ray dose rate overload 11 Neutron accumulated dose alarm 12 Gamma ray accumulated dose alarm 13 Neutr...

Page 16: ...sound 4 Backlight 5 Sounding time High ON RED Continuous 6 Mute 7 Vibrator 8 Flash LED 9 Latch Not available ON ON N A 10 LCD indication sample Accumulated dose alarm Overload Accumulated Dose warnin...

Page 17: ...alarm Overload Dose rate warning 1 Operation timing Pattern No 2 2 Buzzer frequency 3 Buzzer sound 4 Backlight 5 Sounding time High ON YELLOW Continuous 6 Mute 7 Vibrator 8 Flash LED 9 Latch Not avail...

Page 18: ...ration Time alarm 1 Operation timing Pattern No 1 2 Buzzer frequency 3 Buzzer sound 4 Backlight 5 Sounding time High ON RED Continuous 6 Mute 7 Vibrator 8 Flash LED 9 Latch Not available ON ON N A 10...

Page 19: ...ON N A 10 LCD indication sample Low battery voltage Battery empty 1 Operation timing N A 2 Buzzer frequency 3 Buzzer sound 4 Backlight 5 Sounding time High ON OFF Continuous 6 Mute 7 Vibrator 8 Flash...

Page 20: ...ounding time High ON RED Continuous 6 Mute 7 Vibrator 8 Flash LED 9 Latch Not available ON ON N A 10 LCD indication sample Detector optical check error Memory error 1 Operation timing Pattern No 4 2 B...

Page 21: ...igh ON RED Continuous 6 Mute 7 Vibrator 8 Flash LED 9 Latch Not available ON ON N A 10 LCD indication sample RTC error Measurement stops Device error 1 Operation timing Pattern No 4 2 Buzzer frequency...

Page 22: ...ettings by user with Dosimeter Configuration Tool Emergency alarm When call button is pressed the above alarm operation generates and emergency data is delivered to upper management system if radio te...

Page 23: ...ous 6 Mute 7 Vibrator 8 Flash LED 9 Latch Not available ON ON N A 10 LCD indication sample Calibration due expiration Radio communication error Component failure is detected at startup 1 Operation tim...

Page 24: ...LLOW Continuous 6 Mute 7 Vibrator 8 Flash LED 9 Latch Not available OFF OFF N A 10 LCD indication sample Bluetooth communication error USB communication error Component failure is detected at startup...

Page 25: ...mulated dose reaches a preset value of dose interval for monitoring sound Monitoring sound interval can be chosen from six types OFF 100 uSv 10 mrem 10 uSv 1 mrem 1 uSv 0 1 mrem 0 2 uSv 0 02 mrem and...

Page 26: ...P address 0 to 255 0 to 255 0 to 255 0 to 255 IP address of server Port No 0 to 65535 Opened port No of server 2 Wi Fi communication setting should be ON by user with Dosimeter Configuration Tool 3 Wh...

Page 27: ...o waves 2 Wi Fi icon turns on Active connection established 3 Communication prohibition icon turns on Low battery voltage 4 No icon OFF Please make sure that there is no obstacle such as a metal objec...

Page 28: ...format Data format is according to the setting of Wi Fi communication or USB communication 4 4 2 2 Specification Communication standard BLE Bluetooth4 0 Heat rate monitor H7 Made by POLAR 4 4 2 3 Icon...

Page 29: ...ation Also NRF51 starts transmission of telemetry data periodically when USB telemetry mode setting is ON It is recommended that USB telemetry mode ON OFF setting is changed by using infrared communic...

Page 30: ...infrared device ACT IR220LN9 6 Made by ACTiSYS 4 4 4 3 Icon display Infrared icon 1 Infrared icon turns on Active connection established 2 No icon OFF For infrared communication be sure to communicat...

Page 31: ...oth batteries are positioned in the same direction 4 Close the cap and tighten with a coin or coin driver NRF51 can be operated even by one battery 1 When replacing batteries make sure to turn off NRF...

Page 32: ...to NRF51 5 3 USB connector cap replacement Follow these steps to replace the USB connector cap Removal of the USB connector cap 1 Open the USB connector cap 2 Turn a screw down with a Phillips head s...

Page 33: ...en Check items Confirmation method Audible signal 1 beep Short beep sound is generated when dosimeter is turned on Indicated dose value 0 uSv or 0 uSv h Accumulated dose may not be 0 uSv if the power...

Page 34: ...r button can also switch the display to other screens Please see section 6 2 in details for screen change methods by button 3 Put NRF51 in the chest pocket as shown below Direction of NRF51 As NRF51 i...

Page 35: ...y will be changed as the following table shows No Display Remarks 1 Basic display To No 2 Information display Short press of To No 3 Configuration Accessory display Short press of To No 4 Operating ti...

Page 36: ...press of button Each indication can be selected to show hide via Dosimeter Configuration Tool Accumulated dose alarm Information gamma Gamma accumulated dose Gamma dose rate Short press of or Short p...

Page 37: ...arning information gamma Short press of Short press of Short press of Short press of Accumulated dose alarm Information neutron Short press of Short press of Short press of Short press of Short press...

Page 38: ...o No 6 Short press of Short press of To No 7 Short press of Long press of to go to each screen display Configuration Long press of to go to the screen display for parameter configuration Memo Long pre...

Page 39: ...Accumulated dose alarm setting gamma Accumulated dose warning setting gamma Dose rate alarm setting gamma Dose rate warning setting gamma Short press of Short press of Short press of Short press of S...

Page 40: ...ort press of Short press of Short press of Short press of to the next page Short press of to change a displayed parameter Yellow backlight turns on Long press of to confirm the parameter change Alarm...

Page 41: ...ort press of 0 Short press of Short press of to change a displayed parameter Yellow backlight turns on Long press of to confirm the parameter change Calibration due date setting can be set with number...

Page 42: ...ss of Short press of Short press of Short press of Short press of Return to Configuration Accessory display by long press of Memo display 1st to 10th characters Memo display 11th to 20th characters Me...

Page 43: ...ime counting up 8 Operating time display Switching Short press of or Ti time increasing from beginning of the operation is selectable instead of Td via Dosimeter Configuration Tool Power cannot turn o...

Page 44: ...alarm set value Also display is changed when overload happens For neutron alarm warning Hp10n is displayed instead of Hp10 2 Dose rate alarm warning Alarm Overload Warning Warning alarm is generated...

Page 45: ...urs is displayed with numbers 1 to 9 h then power OFF after 1 hour Battery empty alarm is generated when the batteries are empty Only dose measurement function is active Please replace the batteries w...

Page 46: ...g function operation continues Meanwhile when the failure affects counting function operation stops and the dose rate value would be lost 7 RTC error When not affecting counting When affecting countin...

Page 47: ...mmunication error Radio communication error is generated when the electronic component which is related to radio communication is failure 12 Bluetooth communication error Bluetooth communication error...

Page 48: ...g USB connection and communication 3 Bluetooth communication Bluetooth icon is displayed on the upper left of screen during Bluetooth communication 4 900MHz wireless telemetry 900MHz radio type only R...

Page 49: ...ttery cap 2 Indication error calibration To confirm the indication error within 10 to the reference dose equivalent using Cs 137 When to check 1 year or less Check purpose To ensure a valid dose measu...

Page 50: ...keV 6 MeV Within 50 Cf 252 250 keV 4 5 MeV Direction characteristic Within 20 Cs 137 Vert and horz to 75 Within 30 Cf 252 Vert and horz to 75 Energy and direction response Relative response 0 71 to 1...

Page 51: ...rating time Alarm setting values Accumulated dose Dose rate 2 for each Time alarm setting value Calibration factor Error flag Condition flag Other setting parameter values 2 Trend data storage Followi...

Page 52: ...Defective battery connection 2 Mode switch malfunction 3 LCD malfunction 4 CPU malfunction 1 Check battery polarity and there is no exogenous material 2 to 4 Contact Fuji Electric representative Char...

Page 53: ...distance between communication port of NRF51 and the Dosimeter Configuration Tool within 5cm Also confirm that these windows are face to face 2 Clean the communication part with soft cloth Check if t...

Page 54: ...l protection if it s appropriate at the location of product disposal Dispose of other parts as industrial waste Recyclable Parts No Name Quantity Substance Surface treatment How to dispose 1 Screw 1 S...

Page 55: ...etermine a reference dose value R0 by the following method a Calculate R0 from the reference source activity the distance between the reference source and reference point of NRF51 calibration distance...

Page 56: ...tor To change the calibration factor perform the following procedures a After the irradiation connect NRF51 with the Dosimeter Configuration tool and run configu ration software b Click on Calibration...

Page 57: ...lling out this form and give to our sales representative Document No TN5A4215 Date Name of manual Electronic Personal Dosimeter NRF51 User s Manual Submitted by Company Dept Name Page Line Description...

Page 58: ...TN5A4215b 58 58 Fuji Electric Co Ltd 1 Fuji machi Hino city Tokyo 191 8502 Japan https www fujielectric com contact...

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