Simpson 880 VOLTMETER, Operator'S Manual

Page 1: ...INSTRUMENTS THAT STAY A C C U R A T E MODEL 880 VOLTMETER MODEL 880 WATTMETER LEI ...

Page 2: ...10Meg n DC 11Meg n AC Large 7 scale Write for bulletin 2078 has over 1 400 stock sizes and types of panel meters too Write for fau ef n 2079 OPERATOR S MANUAL MODEL 880 VOLTMETER MODEL 880 WATTMETER SEP NO S I M P S O N E L E C T R I C C O M P A N Y 5200 W Kinzie St Chicago Illinois 60644 Area Code 312 Telephone 379 1121 In Canada Bach Simpson Ltd London Ontario Copyright 1969 Simpson Electric Co ...

Page 3: ...General Information General Information FIGURE 1 MODEL 880 VOLTMETER FIGURE 2 MODEL 880 WATTMETER I ...

Page 4: ...80 Voltmeter Figure 2 Model 880 Wattmeter Figure 3 Model 880 Voltmeter Connected Across Load Figure 4 Model 880 Wattmeter connected to Read the Power to a Single Phase Load Recommended for Low Current High Voltage Load Figure 5 Model 880 Wattmeter Connected to Read the Power to a Single Phase Load Recommended for High Current Low Voltage Load Figure 6 Two Model 880 Wattmeters Connected for Measure...

Page 5: ...movement s characteristics to insure the best possible scale tracking accuracy Parallax error has been virtually eliminated by use of a thin knife edge pointer and an image reflecting mirror mounted below the scale arc The phenolic case is designed with heavy reinforced walls and back for maximum durability and protection for the circuit components 1 1 General Information 1 3 TABLE OF SPECIFICATIO...

Page 6: ... maximum voltage cannot be ap plied simultaneously Overloading and possible damage to the instrument will be the result Any combination of voltage and current within the maximum limits is permissible as long as their product does not exceed the full scale wattage rating of the instrument 1 3 1 5 CARRYING CASES Carrying cases are available for all of the Model 880 Voltmeters and Model 880 Wattmeter...

Page 7: ...a sound safety policy to turn off all power and discharge all capa citors in the circuit under test Then proceed to connect the instrument into the circuit Pictorial diagrams are included in this manual to serve as an aid in helping the technician fol low the correct test procedure in a variety of circuit applications Caution should be exercised to insure that the lead wire clips and terminals are...

Page 8: ...urement in a three phase four wire cir cuit balanced or unbalanced is accomplished by use of three single phase Model 880 wattmeters See Figure 8 for wiring diagram Polarity must be observed as indicated in the following dia grams with regard to the marked binding post of each model 880 wattmeter used in a poly phase test circuit This is im portant since a base must be established to determine pol...

Page 9: ...nted to the original purchaser to perform ac cording to published specifications upon delivery and to be free from defects in material or workmanship for one year from date of shipment Within this period any instrument which is re turned transportation charges prepaid to ourrepair department or one of our authorized service agencies and which we confirm to be defective will be repaired or adjusted...

Page 10: ...ENT PARTS Replacement parts for products should be ordered from our Parts Sales Department in Chicago Please specify 1 Part number and description 2 Model and serial numbers of the instrument The minimum billing for parts is 10 per order unless payment is enclosed SECTION V MODEL 880 TYPICAL TEST CIRCUIT CONNECTIONS LOAD FIGURE 3 MODEL 880 VOLTMETER CONNECTED ACROSS LOAD 4 3 FIGURE 4 MODEL 880 WAT...

Page 11: ... 2 O o en to m r m m OH so si oz So So H O 3 T m I 6 C H V co FIGURE 6 TWO MODEL 880 WATTMETERS CONNECTED FOR MEASURE MENT OF POWER IN A THREE PHASE THREE WIRE CIRCUIT BALANCED OR UNBALANCED ...

Page 12: ...o sai w anod 3SVHd 33aHi v NI asMOd do J NSIAI aod QSIOSNNOO sasxaiAixxvM oaa IBQOIAI 33anx LO LC QV01 T in NEUTRAL FIGURE 7 TWO MODEL 880 WATTMETERS CONNECTED FOR MEASURE MENT OF POWER IN A TWO PHASE THREE WIRE CIRCUIT ...

Page 13: ...SHJULC i a3IIM30 QN3 saniviAiav U3M01 1100 01313 QN3 aaddn U31N3O C uo z a R 2 CALIBRATED y SPOOL y R 3 CENTER END i j 0 0 0 FIELD COIL UPPER PVv LOWER ARMATURE O_ 7 END CENTER FIELD COIL FIGURE 9 TYPICAL SCHEMATIC DIAGRAM FOR MODEL 880 SINGLE RANGE VOLTMETER ...

Page 14: ...dAx HI H01IMS Auvioa HDIH MO1 z a L H H snoA 00 SlOOdS aaivaanvo C JUUUUUU O 1100 o ouuuuuu o I HOP Q13ld e a iSdl MV SIIOA DISdlAIV 4 i AMPSCG 01 cb FIELD COIL oonnnpo CALIBRATED SPOOLS VOLTS H FIGURE 12 TYPICAL SCHEMATIC DIAGRAM OF MODEL 880 3 RANGE WATTMETER ...

Page 15: ...de 305 Florida Precision Instrument Corp 374 1731 800 N W 7th Avenue Florida Orlando 32806 Area Code 305 Electro Tech Inc 423 5589 307 27th Street Georgia Hapeville 30054 Area Code 404 Electro Tech Inc 767 8761 3020 Commerce Way Hawaii Honolulu 96819 Electronic Measurement Corp 2979 Ualena Street Illinois Chicago 60648 Area Code 312 A M Instrument Inc 774 3500 6251 W Touhy Illinois Chicago 60644 A...

Page 16: ... Area Code 607 Compton Industries Inc 729 9221 413 Commerce Road North Carolina Charlotte 28206 Area Code 704 Electro Tech Inc 392 7451 5141 Belhaven Blvd Ohio Cleveland 44103 Area Code 216 Pioneer Standard Electronics Inc 432 0010 5403 Prospect Avenue Ohio Cleveland 44135 Area Code 216 Weschler Electric Corp 251 4609 4250 West 130th Street Ohio Dayton 45404 Area Code 513 Srepco Electronics Div 22...

Page 17: ...pplied Continuing reliability tests being run on 150 improved Taut Band meters with 20 pivot jewel meters used as control units WRITE FOR Bulletin PM 505 ffepr sen a r In Prlnclptt Cltlts Si r top ioni Yillow P formanf tests Simpson MICRO TESTERS 18 Types Get Several If you run tests on communication systems motors wiring appliances tubes components batteries or coolers these nifty little testers ...

Page 18: ...p under normal use and service its obligation under this warranty being limited to making good at its factory any instrument or other article of equipment which shall within 90 days after delivery of such instrument or other article of equip ment to the original purchaser be returned intact to it or to one of its authorized service stations with transportation charges prepaid and which its examina...

Page 19: ...idisperisafele component n instrument ...