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MBD-2 Operating Manual

15-00167, Rev 1

8. Technical Specifications

8.1

Radiological Characteristics

Detector

Type

Designation

Range

DIS Low Range

Deep Gamma

0.001 cGy – 60 cGy

DIS High Range

Deep Gamma

0.1 cGy – 600 cGy

Tactical MOSFET

Deep Gamma

1cGy - 2500 cGy

DIS

γ +

Deep Neutron

0.001 cGy – 60 cGy

DIS

Deep Neutron

0.001 cGy – 60 cGy

Calculational
Neutron Dose

NG/NL

0.01 cGy – 14 cGy Cf-252
Moderated
0.01 cGy – 36 cGy Cf-252
Unmoderated

Pin Diode

Deep Neutron

0.001 – 1250 cGy

Energy Range

Photon Effective

60 keV to 3 MeV (+20%)

IAW NVLAP 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

Operating Temperature range:

-32°C to +52°C (dose accumulation)

Storage Temperature range:

-54°C to +71°C

Humidity:

Relative humidity of 95% at +60°C

Water Resistance:

IP-67

Drop Test:

1 m height on hard surface in case

RF-RI-EMI Emission:

RS101, RS103, RS105, RE102 compliant

Vibration/Sand/Dust, Salt Fog & Fungus:

Compliant IAW MIL-STD 810G

8.4

Electrical Characteristics

Main Battery (Field Replaceable):

(1) Renata CR2450, 3.6 volt, lithium coin cell

Autonomy:

800-1000 hours

Internal (Controlled replaceable):

(2) Renata CR1025 6 volt, lithium coin cell

Autonomy:

> 6years

Содержание IM-278/U

Страница 1: ...OPERATING MANUAL MBD 2 IM 278 U Personal Dosimeter Document 15 00167 Revision 1 December 2018...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 29: ...MBD 2 Operating Manual 29 15 00167 Rev 1 10 Dimensional Drawing...

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