OPERATING MANUAL
MBD-2 (IM-278/U) Personal Dosimeter
Document # 15-00167 Revision 1 December 2018
Page 1: ...OPERATING MANUAL MBD 2 IM 278 U Personal Dosimeter Document 15 00167 Revision 1 December 2018...
Page 2: ...5 4 4 1 Start up 15 4 4 2 Diagnostics 15 4 4 3 Operation 16 4 4 4 Display Messages 16 5 Reading Data from the MBD 2 17 6 Maintenance 17 6 1 O Ring 17 6 1 1 Inspection and Replacement 17 6 2 Internal B...
Page 3: ...n 12 Figure 12 MBD 2 and Main Battery Cover Thread Stops 13 Figure 13 Battery Power Icon 13 Figure 14 MBD 2 with Active Display 16 Figure 15 MBD 2 with O Ring Removed 18 Figure 16 MBD 2 without O Ring...
Page 4: ...ctions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interfere...
Page 5: ...ack the complete MBD 2 along with the proper maintenance documentation and turn it in to your Property Book Officer PBO for shipment PBO confirms the MBD 2 is packed properly 1 1 Preparation for Long...
Page 6: ...lf reading measurement display digital memory data logging on board diagnostic testing during startup and NFC Near Field Communication read only wireless communication All data resides in non volatile...
Page 7: ...1 Figure 1 MBD 2 Personal Dosimeter System Figure 2 MBD 2 Physical Features Figure 3 MBD 2 Board with Detector Placement relative to case 1 LCD Display 3 C Ring 2 for Wrist strap 2 Screen Protector a...
Page 8: ...BD 2 will power on activate the LCD display initialize and perform diagnostics and operate according to its configuration See Section 4 4 2 During operation the MBD 2 continuously displays total absor...
Page 9: ...sleeve a Inspect the Wrist Strap seams for visibly loose stitching and frayed edges Set aside any Wrist Strap that appears worn Figure 4 MBD 2 Wrist Strap b Install the Wrist Strap by feeding the coar...
Page 10: ...e black metal loop Feed the course hook end back though the metal loop as shown below in Figure 6 Preparing the Wrist Strap Figure 6 Preparing the Wrist Strap f Insert hand through the loop pull the s...
Page 11: ...change should not take place under direct rain like conditions as water inside the battery compartment may cause premature battery discharge b Turn the battery cover counter clockwise to remove Figur...
Page 12: ...the O ring prior to installing the battery cover Ensure the O Ring is not twisted warped or worn and that it lays flush on the surface flange Refer to Section 6 1 O Ring for guidance i Install the bat...
Page 13: ...Main Battery power status with a standard battery icon Figure 13 Battery Power Icon The icon segments as shown below in Table 2 MBD 2 Battery Icon Segments represent the following power status Table...
Page 14: ...ssages Table 3 MBD 2 Battery Display Messages Battery Display Message Condition Main PbAt permanent on display Main Battery exhausted replace Detector dbAt cycles display screen dbAt permanent on disp...
Page 15: ...l LCD Segments illuminate for 3 seconds Installed Firmware version example Diagnostics Check OPEr Operating Mode no Er message indicates no errors have been identified If the MBD 2 becomes operational...
Page 16: ...onditions of operation Table 5 MBD 2 Display Messages Message Condition Lo t Operating temperature is below the lower temperature threshold 10 C Hi t Operating temperature is above the upper temperatu...
Page 17: ...is initiated and the most current log data recorded will be transferred with current total dose measurement This can take place only when there is dose value given on the display So during init phase...
Page 18: ...below Figure 17 MBD 2 with Installed O Ring 6 2 Internal Battery Detector RTC Replacement The internal battery cover should be opened only under a controlled environment Careful maintenance shall be...
Page 19: ...Main Battery Compartment 6 Battery Orientation Markings d Replace two detector batteries and one RTC battery using Model CR1025 Renata preferred Ensure battery orientation is Positive side up The int...
Page 20: ...ccordance with 3 2 1 1 steps f h 6 3 C Rings The C Ring is 1 9mm thick stainless steel C shaped loop which is affixed to the MBD 2 by two insertion holes on opposite ends of the device case The C Ring...
Page 21: ...e away to remove the C Ring as shown in Figure 3 3 MBD C Ring Removal Figure 20 C Ring Removal c To replace the C Ring grip the loose C Ring with the Snap Ring plier tool Ensure that when squeezing th...
Page 22: ...not performed Resolution Move the device to a cooler environment Problem If PbAt permanent on display battery exhausted Resolution Replace with a new CR2450 battery Section 3 2 Batteries Problem If db...
Page 23: ...ttery If error message repeats remove device from service 4 AD Converter timeout has occurred Problem The device has reported an error due to the AD converter not completing internal readout conversio...
Page 24: ...pting a display update Resolution If display indicates corrupt or erratic segments physical damage has occurred to the LCD If there is no visual damage to the LCD a possible corruption to the histogra...
Page 25: ...lt record type Problem An invalid type has been identified during a memory scan indicating a failure or corruption in flash memory Resolution Restart device by removing and re inserting battery If err...
Page 26: ...n Restart device by removing and re inserting battery If error message repeats remove device from service 1B Factory parameters applied Problem The measurement result memory does not contain a valid m...
Page 27: ...P Cat IA II B C Neutron Effective 550V to 2 13 MeV 20 8 2 Physical Characteristics Dimensions 2 08 x 2 2 x 91 52 8 x 55 8 x 23 2 mm Weight 2 0 oz 57 gm with batteries 8 3 Environmental Characteristics...
Page 28: ...Ring retainer for wrist band each MBD 1003 3 Internal Batteries Real Time Clock 1 Detector 2 Renata CR1025N Lithium Coin Cell MBD 2000 4 Main Battery Renata CR2450N Lithium Coin Cell D20 2000 5 Intern...
Page 29: ...MBD 2 Operating Manual 29 15 00167 Rev 1 10 Dimensional Drawing...
