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Summary of Contents for Fuji Electric NRF50
- Page 1 User’s Manual Electronic Personal Dosimeter NRF50 Fuji Electric Co., Ltd. TN5A2293a 1/42...
- Page 2 Introduction This User’s Manual explains the operation of the Electronic Personal Dosimeter NRF50. 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.
- Page 3 Handling Precaution Please read the following handling precautions to ensure that you use the NRF50 Electronic Personal Dosimeter safely and avoid injury/damages. Please read this User’s Manual carefully to understand all the precautions before using theNRF50 Electronic Personal Dosimeter. Precautions for Use ・...
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Page 4: Table Of Contents
Contents Overview ............................5 Contents ............................6 Standard product package ......................6 Model ............................. 6 Precautions ............................7 Operational conditions ........................7 Other requirements ........................7 Description of Parts and Functions ....................8 Part names ............................ 8 Display function ........................... 10 Buzzer function ........................... -
Page 5: Overview
(rate) alarm threshold, NRF50 will activate audible alarm and flashes LED. By using the Dosimeter Configuration Tool and a PC, it is able to write PC-edited setting values to NRF50 and read measurement trend data from the NRF50 via communication with the device. -
Page 6: Contents
Contents Standard product package (1) NRF50 1 pcs (2) Accessory ・Battery (AA alkaline battery) 2 pcs Model NRF50 TN5A2293a 6/42... -
Page 7: Precautions
(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 NRF50 if you encounter technical problems. See the “Troubleshooting Table” if the problem is not recovered. -
Page 8: Description Of Parts And Functions
Description of Parts and Functions Part names TN5A2293a 8/42... - Page 9 Dosimeter Configuration Tool. 11. EPD Information : For indicating model and serial number of the NRF50. 12. Clip : To fix the NRF50 on the chest pocket or on the waist belt. TN5A2293a 9/42...
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Page 10: Display Function
Display function LCD Indication ■Normal condition Date indication Icon area Battery life indication [Note1] [Note2] d: Accumulated dose Accumulated dr: Dose Rate dose *[D/DR] is selectable Dose rate instead of [d/dr] Dosimeter Configuration Tool Unit ■Alarm condition Icon area Date indication Battery life indication [Note1] [Note2]... -
Page 11: Buzzer Function
No sound Contact to Dosimeter Communication starts No sound Configuration Tool Data transmission Successful completion of data transmission No sound Setting values of NRF50 are changed using 30msec a Dosimeter Configuration Tool Beep Beep 500msec 500msec Data transmission failed No sound... - Page 12 4.3.2 Audible alarms Alarm activation and beep pattern are configurable by user with Dosimeter Configuration Tool. When multiple alarms happen, alarm pattern is determined by alarm priority. Alarm priorities are as follows: Priority Alarm Remarks Memory error Breakdown RTC error Breakdown Emergency alarm Detector optical check error...
- Page 13 Initial setting value of alarm activations and beep patterns are as follows: (1) Dose (rate) alarm Alarm type LCD indication Buzzer Vibration LED/Backlight Accumulated dose Sounds 3 times Vibrates 1 time Flashes 1 time alarm per 1 second per 1 second per 1 second Alarm: Flash LED +...
- Page 14 (2) Operation time alarm Alarm type LCD indication Buzzer Vibration LED/Backlight Time alarm Sounds 1 time Vibrates 1 time Flashes 1 time per 1 second per 10 seconds per 10 seconds (Short sound) Flash LED + Auxiliary LED *Indication (HH:MM) is (RED) operating time (increasing)
- Page 15 (4) Indication of abnormality Alarm type LCD indication Buzzer Vibration LED/Backlight Detector optical Sounds 4 times Vibrates 1 time Flashes 1 time check error per 1 second per 1 second per 1 second Flash LED + Auxiliary LED Memory error (RED) RED backlight flashes 1 time...
- Page 16 (5) Calibration due expiration and communication error Alarm type LCD indication Buzzer Vibration LED/Backlight Calibration due No buzzer No vibration No LED expiration Yellow backlight flashes 1 time Radio per 1 second communication error (Detected component failure when turning on) Bluetooth error (Detected component failure...
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Page 17: Parts Replacement
* NRF50 can be operated even by one battery. Battery polarity sign Coin driver 1. When replacing batteries, make sure to turn off NRF50. 2. During replacement, align the battery polarity correctly. Attention 3. Use only AA Alkaline battery. -
Page 18: Clip Replacement
Clip replacement Pull the hook Follow these steps to replace the clip: Removal of the clip (1) Pull the clip hook (2) Pull the clip down keeping the clip hook away from the dosimeter. Top view Removal of the Mounting of the clip clip (1) Push the clip up until the clip hook closely inserted to the disimter... -
Page 19: Operational Instruction
Operational Instruction When starting to use (1) Press and hold “◎” button for more than 3 seconds to start the NRF50. Confirm the power is ON (Backlight and LED check, one time short beep sound) and LCD displays an initial screen. - Page 20 “△” or “▽”. “◎” button can also switch the display to other screens. Please see section 6.2 in details for screen change methods by “◎” button. (3) Put NRF50 in the chest pocket as shown below. Human body Pocket ※Direction of NRF50:...
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Page 21: During Use (Normal Operation)
During use (Normal operation) LCD display change flow by operation of button *If either of the operation buttons was pressed when LCD backlight is turned off, LCD backlight would be turned on. Then, LCD display will be changed as the following table shows. Display Remarks [Basic display]... - Page 22 Display Remarks [Basic display] Switching Power turns off by long press of “◎” button. Indication of accumulated dose Short press of “△” or “▽” Indication of dose rate [Information display] Switching Power turns off by long press of “◎” button. Short press of “▽”...
- Page 23 Display Remarks [Informationdisplay] Switching (continued) Power turns off by long press of “◎” button. from the previous page Each indication can be Short press of “▽” Short press of “△” selected to show/hide Dosimeter Configuration Tool. Accumulated dose warning information Short press of “▽”...
- Page 24 Display Remarks Long press of “◎” to [Configuration/Accessory display] Switching go to each screen display. Short press of “▽” 08/20/2014 [Configuration] 10:35 Hp10 Long press of “◎” to mrem go to the screen display for CONFIG parameter configuration To No.5 Short press of “▽”...
- Page 25 Display Remarks Short press of “◎” to [Parameter configuration display] Switching change displayed Short press of “▽” parameter. (Yellow backlight turns Long press of “◎” to Name setting confirm parameter change. Name can be entered Short press of “▽” Short press of “△” with 10 characters from A to Z.
- Page 26 Display Remarks Short press of “◎” to [Parameter configuration display] Switching (continued) change a displayed from the previous page parameter. (Yellow backlight turns on) Short press of “▽” Long press of “◎” to confirm the parameter change. Operating time Alarm setting, date and alarm setting time setting can be set with numbers 0 to 9.
- Page 27 Display Remarks Short press of “◎” to [Parameter configuration display] Switching (continued) change a displayed from the previous page parameter.. (Yellow backlight turns on) Short press of “▽” Long press of “◎” to confirm the parameter change. Calibration due date Calibration due date setting setting...
- Page 28 Display Remarks [Memorandum] Return to Configuration/Accessory display by long press of “◎”. Memo display (1st to 10th characters) Short press of “▽” Short press of “△” Memo display (11th to 20th characters) Short press of “▽” Short press of “△” Memo display (21st to 30th characters) Short press of “▽”...
- Page 29 Display Remarks [Stop watch] Return to Configuration/Accessory display by long press of “◎”. (It is possible even when time counting up) Stop watch display [Start]/[Stop] : Short press of “△” when white backlight turns on [Clear] : Short press of “◎” when the stop watch does not run and white backlight turns on [Operating time display] Switching Power cannot turn off...
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Page 30: During Use (When Alarm Is Generated)
During use (When alarm is generated) LCD display when some alarms are generated *See Chapter 4 for operation of buzzer, vibration and LED/Backlight during alarm generation. Item Display Remarks Accumulated dose Alarm Warning alarm is alarm/warning generated when exceeding dose warning set value. - Page 31 Emergency alarm is generated, when “call” button is pressed for more than 3 seconds. Calibration due Expiration alarm is expiration generated when calibration due date is passed. *Communication error may be generated only right after the NRF50 turns on. TN5A2293a 31/42...
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Page 32: During Use (When Communicating)
During use (When communicating) LCD display during communication Item Display Remarks “IR” is displayed on the Infrared communication upper left of screen during infrared communication. “USB” is displayed at USB communication battery life position during USB connection and communication. “Bluetooth mark” is Bluetooth communication displayed on the upper left of screen during... -
Page 33: Care And Maintenance
Care and Maintenance Check the NRF50 as specified below to ensure quality of the product performance. Daily check and maintenance items Check items Procedures Check point Appearance Check the NRF50 visually. No signs of crack, damages or breakage on the case. No signs of gap When to check；Before use and after battery... -
Page 34: Specification
Specification General Specification Model : NRF50 Detector : Silicon semi-conductor : γ(X) rays (30 keV to 7.0 MeV) Radiation type Dose display range: 0.1 mrem to 1000 rem, 0.1 mrem/h to 1000 rem/h Effective measurement range: 2.0 mrem to 1000 rem, 0.05 mrem/h to 1000 rem/h (accumulated dose) 10.0 mrem/h to 1000 rem/h (dose rate) -
Page 35: Storage Data
Storage data List of storage data (Updated value is stored in EEPROM every 1 minute) ・EPD number ・Current time ・Current accumulated dose ・Current dose rate ・Operating time ・Alarm setting values (Accumulated dose, Dose rate : 2 for each) ・Time alarm setting value ・Calibration factor ・Error flag ・Condition flag... -
Page 36: Appendix
(1) CPU malfunction (1) Contact Fuji Electric representative. When returning the item to Fuji Electric representative, please provide with precise details of problems. Note：This table is applied only to the malfunctions that occurs during or after proper use, handling and storage. - Page 37 Contact Fuji Electric representative. IR communication is unable (1) Communication distance is too far (1) Set the distance between (2) Communication port is dirty. communication port of NRF50 and the (3) CPU malfunction Dosimeter Configuration Tool within 5cm. (4) Malfunction of dosimeter...
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Page 38: Disposal
Disposal Please follow the local raw and regulation for disposal of the product. NRF50 uses a hazardous substance shown below. Dispose of hazardous substances by referring to the information below. Hazardous substances Hazardous substances Point of use How to dispose... -
Page 39: Calibration
Cs and A dose should be measured by placing the source at a certain distance (calibration distance) from reference point of NRF50 so that true value of the dose is traceable to the National Standard. (1) Determination of a reference dose value (R... - Page 40 (4) Setup of the calibration factor - To change the calibration factor, perform the following procedures: a. After the irradiation, connect NRF50 with the Dosimeter Configuration tool and run configu ration software. b. Click on “Calibration”, enter the calculated calibration factor (C ) to the new value of gamma-ray calibration factor.
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Page 41: Block Diagram
Block diagram TN5A2293a 41/42... - Page 42 Any comments/ requests/ suggestions regarding our instruction manual? Please feel free to contact us by filling out this form and give to our sales representative. Document No TN5A2293 Date Company Name of Electronic Personal Dosimeter NRF50 Submitted Dept manual User’s Manual Name Page...
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