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Direct Scientific DSM-502, Руководство по эксплуатации и техническому обслуживанию

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Direct Scientific DSM-502 Скачать руководство пользователя страница 14

 
 
WBJI                                                                                                                                                                        DSM-502 

 

PAGE 14 

 

 

 

6.9.11    If the instrument remains ON a new count cycle can be started by DEPRESSING THE  

 

 

 

ZERO SWITCH on the front panel for at least 3 seconds 

 
 

 
 
 
 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 

Содержание DSM-502

Страница 1: ...DIGITAL SURVEY METER OPERATIONS MAINTENANCE MANUAL Direct Scientific www drct com tel 310 589 0601 fax 310 919 2981 email sales drct com...

Страница 2: ...WBJI DSM 502 PAGE 2 SECTION CONTENTS 1 SPECIFICATIONS 2 DESCRIPTION 3 THEORY OF OPERATION 4 OPERATING CONTROLS 5 OPERATING INSTRUCTIONS 6 MAINTENANCE 7 PARTS LIST 8 SCHEMATICS...

Страница 3: ...300 1500 VDC REGULATION 1 LOW VOLTAGE 5 VDC 5 VDC REGULATION 0 5 BATTERY 6 AA ALKALINE BATTERY OPERATION 200 HRS NOMINAL LCD READOUT 4 DIGIT 75 19mm TALL RS 232 DATA OUTPUT 9 PIN MINIATURE SUB D CONNE...

Страница 4: ...is switch selectable from the front panel The electronic circuitry is located on 2 heavy duty industrial type printed circuit boards that are directly interconnected to improve reliability and durabi...

Страница 5: ...re 3 show the power supply pc board s major components and calibration controls 4 0 OPERATING CONTROLS INDICATORS 4 1 CONTROLS MAIN FUNCTION SWITCH CONTROL SETTING FUNCTION OFF ALL POWER IS DISCONNECT...

Страница 6: ...be 5 2 INSTRUMENT OPERATION 5 2 1 Adjust the MAIN SELECTOR switch to RATEMETER for normal ratemeter type operation 5 2 2 Depress the SPEAKER ZERO towards SPEAKER if a audible tick for each input pulse...

Страница 7: ...WBJI DSM 502 PAGE 7 FIGURE 2 FIGURE 2 DSM 502 FRONT PANEL CONTROLS P N 12303 REV 6...

Страница 8: ...WBJI DSM 502 PAGE 8 FIGURE 3 DSM 502 POWER SUPPLY AND MAJOR COMPONENTS P N 12291 1 REV 1 FIGURE 4 DSM 502 LCD DIGITAL PC BOARD COMPONENTS AND CONTROLS P N 12923...

Страница 9: ...IT FAST SLOW TC SET TO FAST ADJ P1 TO 10 250 SECONDS SET TO SLOW ADJ P1 TO 10 250 SECONDS POSITION 9 DISPLAY EDIT LCD REFRESH RATE 8 0 8 SECONDS TO 30 3 0 SECONDS ADJ P1 TO DESIRED REFRESH RATE SW5 lo...

Страница 10: ...e MAIN SELECTOR SWITCH at the same setting as was used to disable the OVER RANGE ALARM 6 4 7 Adjust SW4 to position 2 and depress SW5 until the CAL is visible on the display 6 4 8 Adjust P1 P2 until d...

Страница 11: ...sed and the CAL is displayed on the readout INTERNAL PROBE DT ADJUSTMENT 6 6 1 Determine the full scale range for the Internal Probe 6 6 2 Be sure MAIN SELECTOR SWITCH is still in RATEMETER position a...

Страница 12: ...isappears to save the data Adjust SW4 to the NORMAL OPERATION POSITION 0 ZERO 6 7 5 The survey meter is now ready for NORMAL OPERATION 6 8 ADJUSTING ALARM SETPOINTS GENERAL THE DSM 502 HAS AN AUDIBLE...

Страница 13: ...ITCH TO COUNT Adjust SW4 to position 1 This displays the counting time in seconds currently in the system 6 9 2 To set the count time to change COUNT time Depress SW5 until CAL appears 6 9 3 Adjust P3...

Страница 14: ...WBJI DSM 502 PAGE 14 6 9 11 If the instrument remains ON a new count cycle can be started by DEPRESSING THE ZERO SWITCH on the front panel for at least 3 seconds...

Страница 15: ...WBJI DSM 502 PAGE 15 PARTS LIST...

Страница 16: ...100K 5 R2 3 4 5 6 21 R22 23 24 25 R26 27 28 32 14 111143 TERM STRIP 50 PIN J2 10 112729 TRANS 60V 500ma Q1 1 114115 FERRITE CHIP 2 5 A 120 OHM FB2 FB3 2 114206 CRYSTAL 10 MHZ SMT X1 1 114293 SLIDE SW...

Страница 17: ...M I C U7 1 109150 RESISTOR 1 6K 5 R6 7 8 9 10 11 6 109156 I C U3 1 109262 RESISTOR 10 MEG 5 R27 1 109263 CAP 22PF 50 V 5 C21 22 25 3 109641 CAP 470 PF 16 V 10 C18 1 109930 52 PIN SOCKET U1 1 110162 FE...

Страница 18: ...C24 1 108829 47K 1 8W 1206 PKG R18 1 109011 SOT 23 60V 150A PNP BIPOLAR Q1 1 109133 5V REGULATOR E1 1 109156 MC33172D I C U1 3 2 109163 110K 1 8W 1206 PKG R 6 14 2 109641 470MF 16V C15 1 109896 2 4K 1...

Страница 19: ...WBJI DSM 502 PAGE 19 SCHEMATICS...

Страница 20: ...WBJI DSM 502 PAGE 20...

Страница 21: ...WBJI DSM 502 PAGE 21...

Страница 22: ...WBJI DSM 502 PAGE 22...

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