Model 2182A Instrument specifications
Contents
1. 70 nV 300 nV 700 nV 6 6 uV 300 pV 60dB 140dB Channel 2 25 0s 5 75 2 150 nV 200 nV 750 nV F 110dB 140 dB 4 0s 5 10 150 nV 200 nV 1 5 uV 100dB 140 dB 1 0s 1 10 or 5 2 s 175 nV 400 nV 2 5 uV 2 90dB 140dB 85 ms 1 Off gt 425 nV 1 uV 9 5 uV 60 dB 140 dB 8 Applies to measurements of room temperature resistances lt 10 Q Isource range lt 20 pA meas_time sec pulsewidth source_delay in 33 us increments Noise behavior using 2188 Low Thermal Short after 2 5 hour warm up 1 C Analog Filter off Observation time 10X response time or 2 minutes whichever is less 11 For Lsync On line frequency 0 1 If Lsync Off use 60 dB 12 For 1 kQ unbalance in LO lead AC CMRR is 70 cB Specifications are subject to change without notice SPEC 2182 Rev D October 2013 2of6 Model 2182A Instrument specifications Voltage noise vs source resistance After 2 5 hour warm up 1 C 5 PLC 2 minute observation time Channel 1 10 mV range only DC noise expressed in volts peak to peak Source resistance Noise Analog filter Digital filter oQ 6 nV Off 100 100 Q 8 nV Off 100 1 KQ 15 nV Off 100 10 kQ 35 nV Off 100 100 kQ 100 nV On 100 1 MQ 350 nV On 100 Temperature thermocouples For Channel 1 or Channel 2 add 0 3 C for external reference junction Add 2 C for internal reference junction Displayed in C F or K Accuracy based on ITS 90 exclusive of thermocouple errors Accuracy is 90 day 1 year 23 C 5 C2. relative to simulated reference junction Type Range Resolution Accuracy J 200 to 760 C 0 001 C 0 2 C K 200 to 1372 C 0 001 C 0 2 C N 200 to 1300 C 0 001 C 0 2 C T 200 to 400 C 0 001 C 0 2 C E 200 to 1000 C 0 001 C 0 2 C R 0 to 1768 C 0 1 C 0 2 C S 0 to 1768 C 0 1 C 0 2 C B 350 to 1820 C 0 1 C 0 2 C Operating characteristics 60 Hz 50 Hz operation Function Digits Readings s PLCs DCV Channel 1 Channel 2 7 5 3 2 5 Thermocouple 7 51516 6 4 5 6 5 17 18 15 1 6 5 1718 45 36 1 5 51516 80 72 0 1 4 5 151619 115 105 0 01 Channel 1 Channel 2 Ratio Delta 7 5 1 5 1 3 5 with 24XX Scan 75 2 3 2 1 5 6 5 8 5 7 5 1 6 5 7 8 20 16 1 5 5 30 29 0 1 4 5 41 40 0 01 Delta with 622X 6 5 47 40 1 13 Speeds are for 60 Hz 50 Hz operation using factory default operating conditions RST Autorange Off Display Off Trigger Delay 0 Analog Output Off 14 Speeds include measurements and binary data transfer out of the GPIB interface Analog Filter On 4 readings s max 15 Sample count 1024 Auto Zero Off 18 Eor Channel 2 Low Q mode Off reduce reading rate by 30 17 For Lsync On reduce reading rate by 15 18 Front Auto Zero Off Auto Zero Off 40 mV range 80 readings s max 2 Display off delay 1 ms Specifications are subject to change without notice SPEC 2182 Rev D October 2013 3 of 6 Model 2182A Inst
3. to change without notice SPEC 2182 Rev D October 2013 6 of 6
4. 10 GQ 7 2 18 2 25 2 32 3 1 0 1 C 10 000000 V 1 pV gt 10 GQ 2 1 18 2 25 2 32 3 1 0 1 C 100 00000 V 10V 10MQ9 1 10 3 254 3 354 4 5245 1 0 5 C Channel 2 100 00000 mV 10 nV gt 10 GQ 10 6 25 6 30 7 40 7 1 1 C 1 0000000 V 100 nV gt 10 GQ 7 2 18 2 25 2 32 3 1 0 5 C 10 000000 V 1 uV gt 10 GQ 2 1 18 2 25 2 32 3 1 0 5 C Channel 1 Channel 2 ratio For input signals 21 of the Channel 1 Reading Channel 1 Accuracy Channel 1 Reading range ratio accuracy Channel 2 Reading Channel 2 Accuracy Channel 2 Reading 1 Relative to calibration accuracy With Analog Filter on add 20 ppm of reading to the listed specification 3 When properly zeroed using the relative offset REL function If REL is not used add 100 nV to the range accuracy Specifications include the use of the ACAL function If ACAL is not used add 9 ppm of reading C from Tea to the listed specification Tear is the internal temperature stored during ACAL For 5 PLC with 2 reading Digital Filter Use 4 ppm of reading 2 ppm of range for 1 PLC with 10 reading Digital Filter Channel 2 must be referenced to Channel 1 Channel 2 HI must not exceed 125 referenced to Channel 1 LO of the range selected for Channel 2 7 For Low Q mode On add the following to DC noise and range accuracy at stated response time 200 nV p p 25 s 500 nV p p 4 0 1 2 uV p p 1 s and 5 uV p p 85 ms Specifications are subject t
5. KEITHLEY A Tektronix Company Model 2182A Keithley Instruments Inc g 26775 Aira Road Instrument specifications Cleveland Ohio 44139 1 888 KEITHLEY http Awww keithley com Specification conditions This document contains specifications and supplemental information for the Model 2182A Nanovoltmeter Specifications are the standards against which the Model 2182A is tested Upon leaving the factory the Model 2182A meets these specifications Supplemental and typical values are nonwarranted apply at 23 C and are provided solely as useful information Measurement accuracies are specified at the Model 2182A terminals under these conditions 23 C 5 C lt 80 percent relative humidity After a 2 hour warm up period A D autozero enabled Properly zeroed local operation using the relative offset REL function If REL is not used add 100 nV to the range accuracy PO Nu Voltage specifications Conditions 1 PLC with 10 reading digital filter or 5 PLC with 2 reading digital filter Accuracy ppm of reading ppm of range where ppm parts per million for example 10ppm 0 001 Accuracy Temperature sss CO Fficient Channel 1 Resol Input 24 Hour 90 Day 1 Year 2 Year 0 18C amp Range ution resistance TcaL 1 C Tcart5 C Tear 5 C Tear 5 C 28 50 C 10 000000 mv 4 1nV gt 10 GQ 20 4 40 4 50 4 60 4 1 0 5 C 100 00000 mV 10 nV gt 10 GQ 10 3 25 3 30 4 40 5 1 0 2 C 1 0000000 V 100 nV gt
6. Q 5 Gain Adjustable from 10 to 10 with gain set to 1 a full range input will produce a 1 V output Output REL Selects the value of input that represents 0 V at output the reference value can be either a programmed value or the value of the previous input Auto Zero Off NPLC 0 01 2 Analog Filter On Digital Filter On Specifications are subject to change without notice SPEC 2182 Rev D October 2013 4of6 Model 2182A Instrument specifications Triggering and memory Window filter sensitivity 0 01 0 1 1 10 or full scale range none Reading hold sensitivity 0 01 0 1 1 or 10 of reading Trigger delay 0 to 99 hours 1 ms step size External trigger delay 2 ms lt 1 ms jitter with auto zero off trigger delay 0 Memory size 1024 readings Math functions Rel Min Max Average Std Dev Peak to Peak of stored reading Limit Test and mX b with user defined units displayed Remote interface Keithley 182 emulation GPIB IEEE 488 2 and RS 232C SCPI Standard Commands for Programmable Instruments General specifications Power supply 100 V 120 V 220 V 240 V Line frequency 50 Hz 60 Hz and 400 Hz automatically sensed at power up Power consumption 22 VA Magnetic field density 10 mV range 4 0 s response noise tested to 500 gauss Operating environment Specified for 0 C to 50 C specified to 80 RH at 35 C Storage environment 40 C to 70 C EMC Complies with European Union Dir
7. ective 89 336 EEC CE marking requirement FCC part 15 class B CISPR 11 IEC 801 2 IEC 801 3 IEC 801 4 Safety Complies with European Union Directive 73 23 EEC low voltage directive meets EN61010 1 safety standard Installation category Vibration MIL T 28800E Type IIl Class 5 Warm up 2 5 hours to rated accuracy Dimensions Rack Mounting 89 mm high x 213 mm wide x 370 mm deep 3 5 in x 8 375 in x 14 563 in Bench Configuration with handles and feet 104 mm high x 238 mm wide x 370 mm deep 4 125 in x 9 375 in x 14 563 in Shipping weight 5 kg 11 Ib Specifications are subject to change without notice SPEC 2182 Rev D October 2013 5of6 Model 2182A Instrument specifications Supplied accessories 2107 4 Low Thermal Input Cable with spade lugs 1 2 m 4 ft User manual service manual contact cleaner line cord alligator clips Available accessories 2107 30 2182 KIT 2187 4 2188 4288 1 4288 2 7007 1 7007 2 7009 5 8501 1 8501 2 8503 Low Thermal Input Cable with spade lugs 9 1 m 30 ft Low Thermal Connector with strain relief Low Thermal Test Lead Kit Low Thermal Calibration Shorting Plug Single Fixed Rack Mount Kit Dual Fixed Rack Mount Kit Shielded GPIB Cable 1 m 3 2 ft Shielded GPIB Cable 2 m 6 5 ft Shielded RS 232 Cable 1 5 m 5 ft Trigger Link Cable 1 m 3 2 ft Trigger Link Cable 2 m 6 5 ft Trigger Link Cable to 2 Male BNC Connectors Specifications are subject
8. o change without notice SPEC 2182 Rev D October 2013 CATA TA TT D EI 1 of 6 Model 2182A Instrument specifications DELTA hardware triggered coordination with 24XX series or 622X series current sources for low noise R measurement accuracy accuracy of selected Channel 1 range plus accuracy of source range DELTA measurement noise with 6220 or 6221 Typical 3nVams v Hz 10 mV range 1 Hz achieved with 1 PLC delay 1 ms RPT filter 23 20 if 50 Hz PULSE MODE with 6221 Line synchronized voltage measurements within current pulses from 50 us to 12 ms pulse repetition rate up to 12 Hz Pulse measurement noise Typical RMS noise Rput lt 10 ohms C meas_time pulse_avg_count where meas_time seconds pulse width pulse_meas_delay in 33 us increments Vrms The constant C varies by range as follows e 10 mV range 0 16 nV s 100 mV range 0 60 nV s e 1 V range 2 2 nV s 10 V range 18 nV s DC noise performance DC noise is expressed in volts peak to peak Response time is the time required for the reading to be settled in noise levels from a stepped input 60 Hz operation Channel 1 RANGE Response Time NPLC Filter 10mV 100 mV 1V 10V 100V NMRR CMRR 25 0s 5 75 6 nV 20 nV 75 nV 750 nV 75 uV 110dB 140 dB 4 0s 5 10 15 nV 50 nV 150 nV 1 5 uV 75 uV 100dB 140 dB 1 0s 1 18 25 nV 175 nV 600 nV 2 5 uV 100 pV 95dB 140dB 667 ms 1 100r5 2 35nvV 250 nV 650 nV 3 3 uV 150 uV 90dB 140dB 60 ms 1 Off
9. rument specifications System speeds Range change time lt 40 ms lt 50 ms Function change time lt 45 ms lt 55 ms AUTORANGE time lt 60 ms lt 70 ms ASCII reading to RS 232 19 2K baud 40 s 40 s Maximum internal trigger rate 120 s 120 s Maximum external trigger rate 120 s 120 s Measurement characteristics A D linearity 0 8 ppm of reading 0 5 ppm of range Front AUTOZERO off error 10 mV 10 V Add 8 ppm of reading 500 uV for lt 10 minutes and 1 C NOTE Offset voltage error does not apply for Delta Mode AUTOZERO off error 10 mV Add 8 ppm of reading 100 nV for lt 10 minutes and 1 C 100 mV 100 V Add 8 ppm of reading 10 uV for lt 10 minutes and 1 C NOTE Offset voltage error does not apply for Delta Mode Input impedance 10 mV 10 V gt 10 GQ in parallel with lt 1 5 nF Front Filter ON 10 mV 10 V gt 10 GQ in parallel with lt 0 5 nF Front Filter OFF 100 V 10MQ 1 DC input bias current lt 60 pA 23 C 10 V to 5 V lt 120 pA 23 C 5 V to 10 V Common mode current lt 50 nA p p at 50 Hz or 60 Hz Input protection 150 V peak to any terminal 70 V peak Channel 1 LO to Channel 2 LO Channel isolation gt 10 GQ Earth isolation 350 V peak gt 10 GQ and lt 150 pF any terminal to earth Add 35 pF ft with Model 2107 Low Thermal Input Cable Analog output Maximum Output 1 2 V Accuracy 0 1 of output 1 mV Output resistance 1 K
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