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Service & Calibration

4.3.6

AC Current Calibration (ACA)

Connect the OUTPUT terminal of the Sentry Plus Series instrument to a resistance box or
resistance standard. Connect an AC/DC current meter in series between the resistance load
(box/standard) and the RTN/LOW terminal of the Sentry Plus instrument. Table 4-3 lists the
resistance loads necessary for the current calibration steps.

Table 4-3: Resistance Loads

Mode Step

#

Voltage

Calibration
Point

Resistance
(Load)

ACA

CAL 7

1200 V

0.12mA

10M

Ω

ACA

CAL 8

1200 V

2.4mA full

500k

Ω

ACA

CAL9

1200 V

2.4mA

500k

Ω

ACA

CAL 10

1200 V

12mA

100k

Ω

DCA

CAL 11

1200 V

0.12mA

10M

Ω

DCA

CAL 12

1200 V

2.4mA full

500k

Ω

DCA

CAL 13

1200 V

2.4mA

500k

Ω

DCA

CAL 14

1200 V

4.8mA

250k

Ω

Press [F1] = UP to go to

Cal Step 7: ‘ACA 3mA Offset (0.12mA)’

.

Press [STOP] to return instrument to steady state.
Press [START] to get offset value.
Press [F1] = INC or [F2] = DEC until the SPlus display reads the same as the current meter.
Press [ENTER] to accept reading.
Sentry Plus reverts to “ACA 3mA Offset” display (incorporating the new cal value).

Press [F1] = UP to go to

Cal Step 8: ‘ACA 3mA Full (2.4mA)’

.

Press [STOP] to return instrument to steady state.
Press [START] to get full value.
Press [F1] = INC or [F2] = DEC until the SPlus display reads the same as the current meter.
Press [ENTER] to accept reading.
Sentry Plus reverts to “ACA 3mA Full” display (incorporating the new cal value).

Press [F1] = UP to go to

Cal Step 9: ‘ACA 15mA Offset (2.4mA)’

.

Press [STOP] to return instrument to steady state.
Press [START] to get offset value.
Press [F1] = INC or [F2] = DEC until the SPlus display reads the same as the current meter.
Press [ENTER] to accept reading.
Sentry Plus reverts to “ACA 30mA Offset” display (incorporating the new cal value).

Press [F1] = UP to go to

Cal Step 10: ‘ACA 15mA Full (12mA)’

.

Press [STOP] to return instrument to steady state.
Press [START] to get full value.
Press [F1] = INC or [F2] = DEC until the SPlus display reads the same as the current meter.
Press [ENTER] to accept reading.
Sentry Plus reverts to “ACA 30mA Full” display (incorporating the new cal value).

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Содержание Sentry 10 Plus

Страница 1: ...blication WARNING Potentially dangerous voltages may be present on front and rear panel terminals Follow all warnings in this manual when operating or servicing this instrument Dangerous levels of ene...

Страница 2: ...Page 2 of 85...

Страница 3: ...25 Operation Section 2 2 1 Terms and Conventions 27 2 2 Start Up 31 2 3 Programming Electrical Safety Tests 31 2 4 Programming a Ground Continuity Test 35 2 5 Programming an AC Hipot Test 37 2 6 Progr...

Страница 4: ...wer Strip 70 3 3 S07 Power Entry Adapter Cable 71 3 4 S03 Corded Product Adapter 72 3 5 S05 Foot Switch 73 3 6 S08 Gun Probe 74 3 7 S50 Plus Ground Bond Tester 75 Service Calibration Section 4 4 1 Gen...

Страница 5: ...s in the Product not approved by QuadTech shall void this warranty QuadTech shall not be liable for any indirect special or consequential damages even if notice has been given of the possibility of su...

Страница 6: ...Page 6 of 85...

Страница 7: ...ing 5 counts Total Sentry 20 30 Plus DC Output Voltage Range 0 05 to 6kV DC in 1V steps Voltage Display Accuracy 1 of reading 5V Resolution 1Volt DC Current Display Range 0 0001mA to 5mA DC Resolution...

Страница 8: ...ypical Discharge of DUT upon termination of HV ARC Detection Detection Current Range 1mA 20mA AC and 5mA DC Pulse Width Minimum 10 s General Features Time Test 0 1sec 999 sec Continuous Ramp 0 1sec 99...

Страница 9: ...imensions w x h x d 10 50 x 4 50 x 14 25 inches 262 5 x 112 5 x 356 25 mm Weight 25 0 lbs 11 5 kg net 28 lbs 13 0 kg shipping Environmental Specifications 18 C to 28 C 70 RH Operating 0 C to 40o C 80...

Страница 10: ...Page 10 of 85...

Страница 11: ...P N High Voltage Lead Set high low 1m std with unit 1 S02 Corded Product Adaptor 115V 1 S03 High Voltage Lead Set high low 2m 1 S04 Foot Switch 1 S05 High Voltage Probe 1 S06 Power Entry Adaptor Cabl...

Страница 12: ...Page 12 of 85...

Страница 13: ...s of the lead s 4 Never touch the test leads test fixture or DUT in any manner this includes insulation on all wires and clips when the high voltage is applied and the red DANGER light is ON 5 Before...

Страница 14: ...Page 14 of 85...

Страница 15: ...voltage selector set for 120V Refer to paragraph 1 4 3 for instructions on changing the fuse or line voltage selector Connect the Sentry Plus Series unit AC power cord to the source of proper voltage...

Страница 16: ...To view change memory system option cal key lock pw error about To view the programmed test setups and access offset function PROGRAM MORE MENU PRESET F3 F4 F2 F1 MODE AC DC IR GC PA STEP 1 10 Soft A...

Страница 17: ...OCK SELECT MODE F1 F4 F3 F2 I RUS FALL RAMP ARC LOW DC STEP 1 1 VOLT HIGH TIME DC Display IR Display GC Display To select test mode AC DC IR GC PA To view change preset initial test parameters To view...

Страница 18: ...XT F1 INC F3 NEXT F1 INC F3 NEXT F1 INC F3 NEXT 0 0 1 999s AC 0 0 1 999s DC 0 0 1 999s IR 0 1 1s GC 7 Set Low Limit Set High Limit IR F1 INC F3 NEXT F1 INC F3 NEXT F1 INC F3 NEXT F1 INC F3 NEXT 0 20mA...

Страница 19: ...rwise turn the continuity test OFF Prior to performing the OFFSET function Allow the instrument to warm up for 15 minutes Connect the Test cables or fixture to the front panel OUTPUT and RTN LOW conne...

Страница 20: ...Plus AC DC IR Hipot Tester 0 1 QuadTech CAUTION F4 F3 Max 5kVAC 6kVDC CAL UPDATE 1 250kV STEP 1 5 STAND BY OFST 0 500mA 3 0s AC LOW OFF ARC OFF RAMP OFF FALL OFF PROGRAM PRESET MENU M1 RMT LOCK ERR MO...

Страница 21: ...e programmed over a voltage range of 0 05 to 5kV AC and 0 05 to 6kV DC with a min max leakage current detection range of 0 001 to 20mA AC and 0 0001 to 5mA DC Insulation resistance measurements are po...

Страница 22: ...tton Initiate Test HV applied to OUTPUT terminal 3 STOP Red Push Button Stop Test HV terminated at OUTPUT terminal 4 Display LCD Program Menu Test Setup Measurement Results Memory Contents Calibration...

Страница 23: ...entry Plus Series Rear Panel Controls Connectors Reference Figure 1 3 Name Type Function 1 VOLTAGE SELECTOR 2 Red 2 position Slide Switches Select Voltage Level corresponding to AC Source 90V 110V 3 1...

Страница 24: ...er For bench operation the front flip feet should always be used to angle the instrument up In bench or rack mount applications the instrument should be positioned with consideration for ample air flo...

Страница 25: ...lus to ensure that the properly rated fuse is in place otherwise damage to the unit is possible Make sure that the voltage selector switches are set in accordance with the power source in use Refer to...

Страница 26: ......

Страница 27: ...current that has one polarity during part of the cycle and the opposing polarity during the other part of the cycle Residential electricity is AC DC Direct Current Non reversing polarity The movement...

Страница 28: ...ound Devices that retain charge should be discharged after an IR test or DC hipot test DUT Device Under Test i e the product being tested Frequency The rate at which current or voltage reverses polari...

Страница 29: ...rent that would flow from to or between applied parts such as sensor and patient leads This test is the most complicated and time consuming line leakage test Earth LC Test The most important and most...

Страница 30: ...n insulation resistance measurement then when the START button is pressed the Sentry will perform a GC test followed by an AC test then an IR test Test Time Ramp The period of time for the voltage to...

Страница 31: ...at least 15 minutes prior to use WARNING DO NOT TURN INSTRUMENT POWER ON OR OFF WITH TEST DEVICES CONNECTED 2 3 Programming Electrical Safety Tests The Sentry Plus Series instrument is capable of perf...

Страница 32: ...C STEP 1 1 To view change preset initial settings To view change memory system option cal key lock pw error about To view the programmed test setups and access offset function PROGRAM MORE MENU PRESET...

Страница 33: ...gram the specific parameters of each of the 5 tests NOTE This manual is set up so if you follow the instructions in paragraphs 2 4 2 9 you will have programmed a 5 step test GC AC DC IR and PA and sav...

Страница 34: ...OWN EXIT NEXT RMT ERR OFST LOCK SELECT MODE F1 F4 F3 F2 I RUS FALL RAMP ARC LOW DC STEP 1 1 VOLT HIGH TIME DC Display IR Display GC Display To select test mode AC DC IR GC PA To view change preset ini...

Страница 35: ...T ERR OFST LOCK Select Mode F1 F4 F3 F2 LOW GC STEP 1 1 CURR HIGH DWELL 0 0 A 1 0 0 3 s INC DEC EXIT NEXT RMT ERR OFST LOCK 0 1A F1 F4 F3 F2 LOW GC STEP 1 1 CURR HIGH DWELL 0 0A 1 0 0 3s To select Mod...

Страница 36: ...XIT NEXT RMT ERR OFST LOCK 0 5 F1 F4 F3 F2 LOW GC STEP 1 1 CURR HIGH DWELL 0 1A 1 2 0 5s F1 Program Step 2 or F4 Exit Program Mode To move highlighted box to STEP To exit programming mode and return t...

Страница 37: ...VOLT HIGH TIME INC DEC EXIT NEXT RMT ERR OFST LOCK 0 20mA 0 OFF F1 F4 F3 F2 FALL RAMP ARC LOW AC STEP 2 2 VOLT HIGH TIME To set test time 0 0 1 999s in 0 1s increments To move highlighted box to LOW S...

Страница 38: ...TIME INC DEC EXIT NEXT RMT ERR OFST LOCK 0 999s 0 OFF F1 F4 F3 F2 FALL RAMP ARC LOW AC STEP 2 2 VOLT HIGH TIME INC DEC EXIT NEXT RMT ERR OFST LOCK 0 999s 0 OFF F1 F4 F3 F2 FALL RAMP ARC LOW AC STEP 2...

Страница 39: ...99s F1 F4 F3 F2 FALL RAMP ARC LOW DC STEP 3 3 VOLT HIGH TIME INC DEC EXIT NEXT RMT ERR OFST LOCK 0 5mA 0 OFF F1 F4 F3 F2 FALL RAMP ARC LOW DC STEP 3 3 VOLT HIGH TEST To set test time 0 0 1 999s in 0 1...

Страница 40: ...E EXIT NEXT RMT ERR OFST LOCK 1 10 F1 F4 F3 F2 FALL RAMP ARC LOW DC STEP VOLT HIGH TIME 2 500kV To set next test step 4 OFF 3 0s OFF 0 015mA 3 0s 3 0s OFF 0 015mA To exit programming mode and return t...

Страница 41: ...RMT ERR OFST LOCK 0 05 1kV F1 F4 F3 F2 RAMP HIGH IR STEP 4 4 VOLT LOW TIME Select IR Test Mode Set Test Voltage Set Low Resistance Limit To set low resistance limit 0 1M 50G in 0 1M increments To move...

Страница 42: ...RAMP HIGH IR STEP 4 4 VOLT LOW TIME Set Fall Time Set Next Test Step To move highlighted box to STEP NEW MORE EXIT NEXT RMT ERR OFST LOCK 1 10 F1 F4 F3 F2 RAMP HIGH IR STEP VOLT LOW TIME To set fall t...

Страница 43: ...Step 3 an IR test as Step 4 and finally how to program a Pause as Step5 Follow the green arrows on the right side of this diagram to program the individual Pause mode parameters Enter a message length...

Страница 44: ...USE UNDER TEST SIGNAL INC DEC EXIT NEXT RMT ERR OFST LOCK 1 10 F1 F4 F3 F2 PA STEP PAUSE UNDER TEST SIGNAL To set next test step Exit Program Mode CHANGE DUT OFF OFF CHANGE DUT 5 5 To exit programming...

Страница 45: ...ng mode To view change preset initial test parameters To view change system parameters memory system option calibration key lock password error about To view the programmed test setups and access offs...

Страница 46: ...to indicate which memory location is in use displayed UP DOWN CANCEL NEXT C RMT ERR OFST LOCK SELECT FUNC 1 5 4 3 2 0 STEPS _ 0 STEPS 0 STEPS 0 STEPS 0 STEPS F1 F4 F3 F2 To enter an alpha numeric char...

Страница 47: ...or the third test DC Continue this process for up to 10 steps When finished entering desired number of test steps press F4 EXIT to exit programming mode and return to Stand By status In Stand By statu...

Страница 48: ...auto range function ON or OFF IR AUTO RANGE ON or OFF ON Set resistance auto range function ON or OFF GFI ON or OFF ON Set ground fault interrupt to trip at 0 5mA FAIL RESTART ON or OFF OFF Fail conti...

Страница 49: ...rcuit detects leakage current to ground If the leakage is 0 5mA the high voltage will be shut down in less than 0 5ms NOTE When using the Sentry Plus instrument with the Sentry 50 Ground Bond Tester G...

Страница 50: ...turn OFF and the offset function will be need to be performed again to get the new offset value It will then need to be restored in memory Prior to performing the OFFSET function Allow the instrument...

Страница 51: ...EASURE RESULT 0 1A CHANGE DUT 1 2 CANCEL PRESS TEST KEY TO GET OFFSET RMT ERR OFST LOCK F1 F4 F3 F2 1 2 PLEASE OPEN THE HV OUTPUT TERMINAL NO OFFSET IN IR MODE MORE PRESS TEST KEY TO CONTINUE RMT ERR...

Страница 52: ...IR 2 500kV 0 750kV 1 5M 2 999mA 4 5 GC PA M01 MEASURE RESULT 0 1A CHANGE DUT 1 2 F4 F3 CANCEL RMT ERR OFST LOCK F1 F4 F3 F2 1 2 PLEASE OPEN THE H V OUTPUT TERMINAL NO OFFSET IN IR MODE M01 5 5 PA OFF...

Страница 53: ...lug alligator clip is connected between the RTN LOW terminal on the Sentry Plus Series unit to the low side of the DUT DUT S02 Cable Set F1 RTN LOW F2 OUTPUT DANGER PASS FAIL F1 F2 F3 F4 START STOP Se...

Страница 54: ...leted OR when a test result is judged a FAIL per programmed test limits OR when the STOP button is pressed Press STOP at any time to terminate the output voltage and stop the test The Sentry Plus Seri...

Страница 55: ...rogrammed high limit LOW FAIL Measured value current or resistance is below the programmed low limit ARC FAIL Current arc is over the programmed high limit I O FAIL Hardware Current Limit exceeded Che...

Страница 56: ...function currently unavailable 4 CALIBRATION Enter instrument calibration routine Qualified service personnel only 5 KEY LOCK Lock out front panel program access 6 CHANGE PASSWORD Change key lock use...

Страница 57: ...OCK SELECT FUNC 1 5 4 3 2 5 STEPS 123 0 STEPS 0 STEPS 0 STEPS 0 STEPS F1 F4 F3 F2 MEMORY Return to MENU display LAST DOWN RETURN SELECT RMT ERR OFST LOCK SEL MEMORY 1 5 4 3 2 0 STEPS 0 STEPS 0 STEPS 0...

Страница 58: ...a memory location without having to navigate through the menu system To Recall with Key Lock ON in STAND BY status Press F2 RECALL Press F1 LAST or F2 DOWN to toggle through test setups When the desi...

Страница 59: ...with the European standard When EN50191 is ON the Sentry Plus Series instrument will terminate the voltage at the output terminals when the leakage current exceeds 3mA AC or 5mA DC The EN 50191 functi...

Страница 60: ...e DC 50V AGC function can be set ON or OFF and the initial default setting is ON This applies to a programmed voltage of 50V only NOTE Only in highly specialized applications should the DC 50V AGC fun...

Страница 61: ...been changed use the new password RETURN RMT ERR OFST LOCK 1 10 CHAR F1 F4 F3 F2 KEYLOCK ENTER KEY LOCK USER PASSWORD A B xxxx Press F1 A to input password character Press F2 B to input password char...

Страница 62: ...teps note there is no confirmation page Recall Lock RMT ERR OFST LOCK YES NO F1 F4 F3 F2 KEYLOCK KEY LOCK ON RECALL LOCK YES NO CANCEL Press F1 YES to turn ON key lock function Press F2 NO to turn OFF...

Страница 63: ...A A A A ENTER RETURN RMT ERR OFST LOCK 1 10 CHAR F1 F4 F3 F2 PASSWORD ENTER CHANGE PASSWORD USER PASSWORD A B xxxx Press F1 A to input password character Press F2 B to input password character Press...

Страница 64: ...F4 F3 F2 PASSWORD CHANGE PASSWORD NEW PASSWORD A B xxxx ENTER Press F1 A to input password character Press F2 B to input password character Press F3 ENTER to enter whole password RMT ERR OFST LOCK 1 1...

Страница 65: ...labeled About This parameter lists the instrument manufacturer software version and date To view the contents of ABOUT with the instrument in STAND BY status Press F3 MENU Press F2 DOWN until ABOUT is...

Страница 66: ......

Страница 67: ...be properly utilized This is an important safety feature for the protection of the operator When the INTERLOCK jumper is removed there is no high voltage at the OUTPUT Therefore to initiate a test mak...

Страница 68: ...signal current must be 2mA and the input signal s active time must be 20ms The relay switch in Figure 3 2 or the coupler control in Figure 3 4 uses the component s contact for the control action not b...

Страница 69: ...Plus Series instruments under a PASS condition and a FAIL condition Figure 3 5 Sentry Plus Series Timing Diagram CLOSE CLOSE CLOSE OPEN OPEN OPEN START UNDER TEST PASS 180ms 0 5ms 180ms PASS CONDITIO...

Страница 70: ...entry instrument 3 Connect the white banana plug to the Sentry Plus OUTPUT terminal 4 Plug DUT s AC power cord into corresponding module on G16 power strip Figure 3 6 G16 International Power Strip Con...

Страница 71: ...e Banana Plug to OUTPUT S07 Power Entry Adapter DUT Monitor Plug S07 Adapter into DUT s AC inlet module Remove DUT s power cord from AC inlet module F1 RTN LOW F2 OUTPUT DANGER PASS FAIL F1 F2 F3 F4 S...

Страница 72: ...ug to RTN LOW DUT Monitor DUT plugged into S03 Adapter F1 RTN LOW F2 OUTPUT DANGER PASS FAIL F1 F2 F3 F4 START STOP Sentry 30 Plus AC DC IR Hipot Tester 0 1 QuadTech CAUTION F4 F3 Max 5kVAC 6kVDC CAL...

Страница 73: ...itch White Wire Spade to Terminal Strip START Red Wire Spade to Terminal Strip COM Terminal Strip rear of Sentry 30 Plus HV OUTPUT HIGH VOLTAGE Max 5kVAC 6kVDC RTN LOW CONT CHECK OPTION VOLTAGE SELECT...

Страница 74: ...ow side of the DUT 3 Connect the white banana plug to the Sentry Plus OUTPUT terminal Figure 3 10 illustrates this connection of the S08 probe to a Sentry 30 Plus unit S08 GUN PROBE Custom White Banan...

Страница 75: ...nections of the two instruments NOTE GFI must be turned OFF on the Sentry Plus unit when it is used with the Sentry 50 Plus instrument Banana Banana Cable Sentry 30 Plus AC DC IR Hipot Tester S50 Plus...

Страница 76: ......

Страница 77: ...arranty will be repaired at no charge For any questions on repair costs or shipping instructions please contact our CCC Department at the afore mentioned number To safeguard an instrument during stora...

Страница 78: ...ODUCT TEST RANGE CAL POINT Voltage Calibration 10 20 30 CAL ACV 5kV OFST 0 050kV 10 20 30 CAL ACV 5kV FULL 4 000kV 20 30 CAL DCV 6kV OFST 0 050kV 20 30 CAL DCV 6kV FULL 4 000kV 30 CAL IR 1kV OFST 0 05...

Страница 79: ...ntil CALIBRATION is highlighted backlit Press F3 SELECT to choose calibration function Display will prompt for a password Press A A A B ENTER Cal Step 1 ACV 5kV Offset 50V is displayed on the screen N...

Страница 80: ...entry Plus display reads the same as the voltmeter Press ENTER to accept reading Sentry Plus reverts to ACV Full display incorporating new cal value 4 3 4 DC Voltage Calibration DCV Change the setting...

Страница 81: ...ress F1 INC or F2 DEC until the Sentry Plus display reads the same as the voltmeter Press ENTER to accept reading Sentry Plus reverts to IRV Offset display incorporating new cal value Press F1 UP to g...

Страница 82: ...same as the current meter Press ENTER to accept reading Sentry Plus reverts to ACA 3mA Offset display incorporating the new cal value Press F1 UP to go to Cal Step 8 ACA 3mA Full 2 4mA Press STOP to...

Страница 83: ...return instrument to steady state Press START to get full value Press F1 INC or F2 DEC until the SPlus display reads the same as the current meter Press ENTER to accept reading Sentry Plus reverts to...

Страница 84: ...orating the new cal value Press F1 UP to go to Cal Step 18 IRR Range2 100M Press STOP to return instrument to steady state Press START to get range2 value Press F1 INC or F2 DEC until the SPlus displa...

Страница 85: ...nal Press F1 UP to go to Cal Step 22 GC 5 Full 3 Press STOP to return instrument to steady state Press START to get full value Press F1 INC or F2 DEC until the SPlus display reads the same as certifie...

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