Keithley 150 A Instruction Manual Download | Manualshive

Page: 1 / 24

background image

INSTRUCTION MANUAL

KEITHLEY MODEL 150 A & 150AR

MICROVOLT-‐AMMETERS

1
2
3
...
»

Summary of Contents for 150 A

Page 1: ...INSTRUCTION MANUAL KEITHLEY MODEL 150 A 150AR MICROVOLT AMMETERS...

Page 2: ...ranty contact your Keithley field engineering representative You will be given assistance and shipping instructions REPAIRS AND RECALIBRATION Keithley Instruments and its international dis tributors m...

Page 3: ...ircuit AC Amplifier DC Amplifier 4 l 4 l 4 l 4 l E Other Controls 4 2 F Power Supply 4 2 V MAINTENANCE 5 l Trouble Shooting 5 l Excessive Output Noise 5 l Output Not Zero 5 2 220 Volt Operation 5 2 VI...

Page 4: ...asuring the output from strain gages thermopiles thermocouples bolometers phototubes ionization chambers scintillation counters and barrier layer cells Other apnlications are found in cell studies mea...

Page 5: ...rs RAliOE lmicrovolt 3 micrcvolts 10 microvolts 30 micrcvolts loo microvolts and above Input Resistance 1 megohm 3 megohms 10 megohms 30 megohms 90 megohms Max Source Resistance 10 kilohms 30Mlom 100...

Page 6: ...ain of dc amplifier is from 10 to lG7 OUTPUT RmT sTANcE Less than 10 dms within the emplifierpassbend 60 CFSREJ EZTION Greater than 50 1 LNHJl ISOLATION Neg8tiVe terminal may be grounded or floating u...

Page 7: ...nsist of the zero RA K E switch which selects the coarse range of suppressing voltage in discreet steps and the zero SET potentiometer which gives continuously variable fine control including settings...

Page 8: ...noise and the thermal drift When operating above ground the case of the instrument must be grounded 3 Thermal E iF Extreme precautions have been taken in the input circuit to minimize thermal EMF s so...

Page 9: ...t being measured is more than 400 volts above external ground potential If a recorder is being used with the instrument in this arrangement the recorder ground must not be connected to the output grou...

Page 10: ...OPERATION MODEL 150A 2 Megohmmeter The Model 510A may be used to measure resistances utilizing an external voltage source and measuring the current which flows in the unknown 3 4 0764R...

Page 11: ...f This full wave error signal is stepped up 16 to 1 by the input transformer and applied to the grid of VI a 608h low noise pentode B AC Amplifier In parallel with the plate load resistor of Vl is a r...

Page 12: ...s chopper current differs from chopper to chopper but is fairly stable for long periods of time Its effect on any current range could be removed with the ZERO SUPPRESScontrols but the Current Balance...

Page 13: ...ed to determine the fault TROUBLE SHOOTING Reference is made to the Schematic Diagram lZl 8D and the Voltage Resistance Diagram enclosed at the rear of the manual To begin trouble shooting short the i...

Page 14: ...an oscilloscope to check for the presence of 120 cps at the primary of the input trsnsformers the two outside terminals on the chopper terminal block Absence of signal means chopper failure or much le...

Page 15: ...d a description of the part All structural parts and those parts coded for Keithley manufacture 80164 must be ordered from Keithley Instruments Inc In ordering a part not listed in the Replaceable Par...

Page 16: ...B 05397 PMC 00656 ETB 56289 MY 00656 Poly 84171 Poly 84171 ETB 05397 CerD 72982 PMC 00656 ETB 56289 ETB 05397 MY 00656 MY 00656 CerD 72982 CerD 72982 CerD 72982 CerD 72982 ETB 00656 ETB 56289 ETB 0065...

Page 17: ...ps Jl _ Chopper Chopper Receptacle Assembly Input Plug Special Mate of Jl s2 Receptacle Microphone OUTPUT mfg NO 80P 2 Plug Microphone Mate of 52 Mfg NO 80 2 0 r r CT Binding Post OUTPUT Mfg No DF21RC...

Page 18: ...80164 TR 27 80164 IX 26 80164 TR 28 Mfg Keithley Part No Part No RlOl 33 k l R102 2m R103 47 kn R104 l l R105 3 3 a l R106 1m R107 22 krl R108 3 3 im R109 1m RllO 22 kn Rlll ll R112 x200 k J R113 100...

Page 19: ...1 w lO l 2 w l l 2 l l 2 l l 2 w l l 2 Nominal value factory selected Resistors R134 and R135 are matched to l 2 Order only as a pair 0764R DCb DCb DCb DCb 79727 CFE 15 R12 2 2M 91637 DCF 1 R13 62K 79...

Page 20: ...lO 1 z w l l 2 w lO l 2 w lO l 2 w l l 2 w l II2 w lO 5 w DCb Comp camp camp camp 79727 CFE 15 RlZ 9K 01121 EB Rl ZOOK 01121 EB Rl 390K 01121 EB Rl 100K 01121 EB N 4X camp Comp camp camp DCb 01121 EB...

Page 21: ...C 8 MODEL 1502 REPLACEABLE PARTS LIST Description Mfg Code Keithley Part No Plug Assembly Cable 10 feet Vinyl shielded 80164 13011B 86696 SC 5 Specially aged tubes 00011 Sylvania Electric Products Inc...

Page 22: ...9 Royal Electric Corp Bristol Corm Pawtucket R I 63743 Ward Leonard Electric Co 83125 General Instrument Corp Mount Vernon N Y Capacitor Division Darlington S C 71450 CTS Corp Elkhart Ind 84171 Arm El...

Page 23: ......

Page 24: ......

Reviews:

No comments

Related manuals for 150 A

Brand: Klein Tools Pages: 12

Brand: Greenlee Pages: 52

Brand: Greenlee Pages: 72

Brand: Tenma Pages: 10

Brand: Tenma Pages: 14

Brand: Wavetek Pages: 19

Brand: Wavetek Pages: 24

Brand: Wavetek Pages: 48

Brand: twintex Pages: 2

Brand: Conrad Pages: 91

Brand: Mastech Pages: 10

Brand: Major tech Pages: 12

Brand: GE Pages: 26

Brand: Electrex Pages: 2

Brand: zenitech Pages: 23

Brand: MCP Pages: 7

Brand: Lovato Pages: 12

Brand: Lovato Pages: 72

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands