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Summary of Contents for New SNAP 7

Page 1: ...chemicat lndustry For its funct onal design and unique engineering concept our Kew snap 7 wiil prove to be a fascinating service instrument to tlrose who work with variclus facilities related to the telsphqps switchboards electronic computors electrolystic refinery and high voltage electrostatic power appl icat ion O Provided with a warning lanrp that will autornatically inclicate the naed for bat...

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Page 3: ...lectric Strength 2 200V AC l minutc between electrical oircuitry aud outside casc 4 Meter Movement Approx 230 uA 670 Q 5 Batteries One 9 volt Eveready 216 battery 006P and one l 5V Eveready 815 UM 3 battery 6 Fuse One 0 5A l 20 approx fuse 7 Dimension Approx 255mrn 10 040 x 87mm 3 425 x 40mtn I 575 i 8 Weight Approx 650g i23 oz 9 Accessories One se1 oi voltagr test leads cne piece oi ohrnprobc onc...

Page 4: ...tall the Eveready 216 battery into the battery contpartment Fig 2 of thc instrument by rernoving two screws on the battery compartment covcr Fie l Fig 1 Fig 2 As for the veready 815 battery refer to Fig 21 page 9 T CHECKING BATTERY ll 1lF CKIN BAf lL RY I lAKt l SURt ll Af flita I i jN l I lN 3l ill l f R c VIl ll lS FLA ID 1N flih UA f I OI F POSIl lON Aftrrr the battery installation insert the p...

Page 5: ... ig 6 TO ZT RO TI I i MT TI R RTAI IN TURN THE RANGT1 SI LI CTOR SWITCTI KNOB trNTlL 300v 3 0v 30v oR 30A SCALE APPF ARS lF TIIII MLTITR POINIER IS OI I TTIE ZERO POSITION SET ft TO ZI RO BY TURNING TIII BALANCE KNOts LOCATI D ON T IE TJPPI R SEC TION Ol THE ITRONT CASE Fig 7 A AIN SI T fI F SCALT TO THI 600A RANGI ANI MAKH TTIL ZIIRO ADJIJS lv ENI WIftl 1 llr A AL Swll l l KNOll I EPI AI T IF AI ...

Page 6: ...he transformer core To remove this completely it is necessary to enclose a large AC current carrying conductor within the jaws It is also possible to minimize the hysteresis effect by operating the jaw trigger a few trmes to open and close thc transformer jaws On the 30A range this hysteresis effect is the largest with 4 to 57o error in the meter indication A highest degree of accuracy can be obta...

Page 7: ...R ONI Y I ig ll TII I tE ftjR WILL NOT DIT FLE T IF TWO CONDUCTORS ARE I NCLOSID WtTI tN I iE AWS Fig 12 DURING CURRENT MEASUREMENTS REPLACE BAT L RY LAMP ON THI SCALE PLA tl1 LIGHTS tlP INDICATING THAT THE BATTIiRY IS WEAK Battery replacement may be made easily by removing the two screws on the battcry compartment cover Fig 1 as illustrated on page 3 Immediately after completing current measureme...

Page 8: ...it under test and the black tcst lead connecting end either prod or clip to the negative side For example connect the clip of the test lead to one side of the circuit under test and holding the instrument in hand touch the prod of other test lead to other sidc as shown in Fig 14 If the pointer indicatcs in excess of the ratcd 300V remove the tcst lead from the circuit immediately 6 The voltage tes...

Page 9: ...I1 ALTTIOt li lllt FtrSE CON IAINED lir TIIE OI I PROBI WILL PROTITCT TIIE INSTRU 1 N1 F8 OM BURNOtIT 2 Insert one of the voltage test leads into the V Q receptacle located on the bottom of the instrument push firmly in and turn clockwise to lock Fig 16 Insert the ohmprobe into the Q receptacle on the right side of the instrument push ilrmly in and turn clockwisc to lock Fig 17 F ig 16 Maks sure t...

Page 10: ...f the ohmprobe to the other side as illustrated in Fig 20 F ig 20 The ohm cale is located on the left side of the rolary scaie and i visible regardless of the position of the rotary switch knob When replacing the battery and fuse hcild the tear part ol t he ohmprobe anC rotrl r the froni part counter clockwise to separate Fig 2l lihe battery and iuse then can br removed for rcplacement Use the 1 5...

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Page 12: ...KYORITSU ELECTRICAL INSTRUMENTS WOIIKS LTD No 5 20 Nakane 2 chome Meguro ku Tokyo Jaoan Phone 03 723 0131 Telex J2 2849 Cable Address KYORlTSUKElKl TOKYO ...

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