Benchtop Multimeters Keithley 6220/2182A Delta Model System

Benchtop Multimeters Keithley 6220/2182A Delta Model System

SKU:
6220/2182A
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Specification

Data is being updated

Description

The two-channel Model 2182A Nanovoltmeter is optimized for making stable, low noise voltage measurements and for characterizing low resistance materials and devices reliably and repeatably. It provides higher measurement speed and significantly better noise performance than alternative low voltage measurement solutions. It offers a simplified delta mode for making resistance measurements in combination with a reversing current source, such as the Model 6220 or 6221.

Features: 

- 1nV sensitivity
- Typically just 15nVp-p noise at 1s response time, 40–50nV p-p noise at 60ms
- Dual channels  
- Measurement cycle is synchronized to the power line AC cycle  
- Built-in thermocouple linearization and cold junction compensation
- Built-in thermocouple linearization and cold junction compensation
- Optimized for use with Model 6220/6221 current sources
- Delta mode current reversal measurement technique when combined with the 6220 or 6221
- 2182A/6221 combination synchronizes signal pulses and measurements

Specifications: 

GENERAL SPECIFICATION
COMMON MODE VOLTAGE250V rms, DC to 60Hz
COMMON MODE ISOLATION>10 9 Ω, <2nF
SOURCE OUTPUT MODESFixed DC level, Memory List
REMOTE INTERFACEIEEE-488 and RS-232C.
SCPI (Standard Commands for Programmable Instruments).
DDC (command language compatible with Keithley Model 220).
PASSWORD PROTECTION11 characters
DIGITAL INTERFACE
Handler InterfaceStart of test, end of test, 3 category bits, +5V@300mA supply
Digital I/O1 trigger input, 4 TTL/Relay Drive outputs (33V@500mA, diode clamped)
OUTPUT CONNECTIONSTeflon insulated 3-lug triax connector for output.
Banana safety jack for GUARD, OUTPUT LO.
Screw terminal for CHASSIS.
DB-9 connector for EXTERNAL TRIGGER INPUT, OUTPUT, and DIGITAL I/O.
Two position screw terminal for INTERLOCK.
INTERLOCKMaximum 10Ω external circuit impedance
POWER SUPPLY100V to 240V rms, 50–60Hz
POWER CONSUMPTION120VA
ENVIRONMENT
For Indoor Use OnlyMaximum 2000m above sea level.
Operating0°–50°C, 70%R.H. up to 35°C. Derate 3% R.H./°C, 35°–50°C.
Storage0–25°C to 65°C, guaranteed by design
EMCConforms to European Union Directive 89/336/EEC, EN 61326-1.
SAFETYConforms to European Union Directive 73/23/EEC, EN61010-1.
VIBRATIONMIL-PRF-28800F Class 3, Random.
WARMUP1 hour to rated accuracies.
Passive CoolingNo fan.
DIMENSIONS
Rack Mounting89mm high × 213mm wide × 370mm
deep (3.5 in. × 8.375 in. × 14.563 in.).
Bench Configuration (with handle and feet)104mm high × 238mm wide × 370mm deep (4.125 in. × 9.375 in. × 14.563 in.).

Keithley 2182A Digital Nanovoltmeter & Low Voltage Meters

GENERAL Specification
POWER SUPPLY00V/120V/220V/240V
LINE FREQUENCY50Hz, 60Hz, and 400Hz, automatically sensed at power-up
POWER CONSUMPTION22VA
MAGNETIC FIELD DENSITY10mV range 4.0s response noise tested to 500 gauss
OPERATING ENVIRONMENTSpecified for 0° to 50°C. Specified to 80% RH at 35°C
STORAGE ENVIRONMENT–40° to 70°C
EMCComplies with European Union Directive 89/336/EEC (CE marking requirement), FCC part 15 class B, CISPR 11, IEC 801-2, IEC-801-3, IEC 801-4.
SAFETYComplies with European Union Directive 73/23/EEC (low voltage directive); meets EN61010-1 safety standard. Installation category I
VIBRATIONMIL-T-28800E Type III, Class 5
WARM-UP2.5 hours to rated accuracy
DIMENSIONSRack Mounting89mm high × 213mm wide × 370mm deep (3.5 in × 8.375 in × 14.563 in).
Bench Configuration
(with handles and feet)
104mm high × 238mm wide × 370mm deep (4.125 in × 9.375 in ×14.563 in)
SHIPPING WEIGHT5kg (11 lbs)
Measurement Characteristics
A/D LINEARITY±(0.8ppm of reading + 0.5ppm of range)
FRONT AUTOZERO OFF ERROR10mV–10VAdd ±(8ppm of range + 500µV) for <10 minutes and ±1°C
NOTEOffset voltage error does not apply for Delta Mode
AUTOZERO OFF ERROR10mVAdd ±(8ppm of range + 100nV) for <10 minutes and ±1°C
100mV–100VAdd ±(8ppm of range + 10µV) for <10 minutes and ±1°C
NOTEOffset voltage error does not apply for Delta Mode
INPUT IMPEDANCE10mV–10V>10GΩ, in parallel with <1.5nF (Front Filter ON)
10mV–10V>10GΩ, in parallel with <0.5nF (Front Filter OFF)
100V10MΩ ±1%
DC INPUT BIAS CURRENT<60pA DC at 23°C, –10V to 5V. <120pA @ 23°C, 5V to 10V
COMMON MODE CURRENT<50nA p-p at 50Hz or 60Hz
INPUT PROTECTION150V peak to any terminal. 70V peak Channel 1 LO to Channel 2 LO
CHANNEL ISOLATION>10GΩ
EARTH ISOLATION>350V peak, >10GΩ and <150pF any terminal to earth. Add 35pF/ft with Model 2107 Low Thermal Input Cable
Analog Output
MAXIMUM OUTPUT±1.2V
ACCURACY±(0.1% of output + 1mV)
OUTPUT RESISTANCE1kO ±5%
GAINAdjustable from 10 –9 to 10 6 . With gain set to 1, a full range input will produce a 1V output
OUTPUT RELSelects the value of input that represents 0V at output. The reference value can be either programmed value or the value of the previous input
Triggering and Memory
WINDOW FILTER SENSITIVITY0.01%, 0.1%, 1%, 10%, or full scale of range (none)
READING HOLD SENSITIVITY0.01%, 0.1%, 1%, or 10% of reading
TRIGGER DELAY0 to 99 hours (1ms step size)
EXTERNAL TRIGGER DELAY2ms + <1ms jitter with auto zero off, trigger delay = 0
MEMORY SIZE1024 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).

 

Volts Specifications (20% over range)
CONDITIONS: 1PLC with 10 reading digital filter or 5PLC with 2 reading digital filter.
Channel 1
RangeResolutionInput
Resistance
Accuracy: ±(ppm of reading + ppm of range)
(ppm = parts per million) (e.g., 10ppm = 0.001%)
Temperature
Coefficient
0°–18°C & 28°–50°C
24 Hour
TCAL ±1°C
90 Day
T CAL ±5°C
1 Year
T CAL ±5°C
2 Year
T CAL ±5°C
10.000000mV1nV>10GΩ20+440+450+460+4(1 + 0.5)
/°C
100.00000mV10nV>10GΩ10+325+330+440+5(1 + 0.2)
/°C
1.0000000V100nV>10GΩ7+218+225+232+3(1 + 0.1)
/°C
10.000000V1µV>10GΩ2+118+225+232+3(1 + 0.1)
/°C
100.00000V10µV10MΩ±1%10+325+335+452+5(1 + 0.5)
/°C
Channel 2
100.00000mV10nV>10 GΩ10+625+630+740+7(1 + 1)
/°C
1.0000000V100nV>10 GΩ7+218+225+232+3(1 + 0.5)
/°C
10.000000V1µV>10 GΩ2+118+225+232+3(1 + 0.5)
/°C
CHANNEL 1/CHANNEL 2 RATIOFor input signals =1% of the range, Ratio Accuracy = ±{[Channel 1 ppm of Reading + Channel 1 ppm of Range * (Channel 1 Range/Channel 1 Input)] + [Channel 2 ppm of Reading + Channel 2 ppm of Range * (Channel 2 Range/Channel 2 Input)]}.
DELTA (hardware-triggered coordination with Series 24XX, Series 26XXA, or Series 622X current sources for low noise R measurement)Accuracy = accuracy of selected Channel 1 range plus accuracy of I source range.
DELTA MEASUREMENT NOISE WITH 6220 or 6221Typical 3nVrms / Hz (10mV range) 21 . 1Hz achieved with 1PLC, delay = 1ms, RPT filter = 23 (20 if 50Hz)
PULSE-MODE (WITH 6221)Line synchronized voltage measurements within current pulses from 50µs to 12ms, pulse repetition rate up to 12Hz.
PULSE MEASUREMENT NOISE (typical rms noise, R DUT <10Ω)±(0.009ppm of range*) / meas_time / pulse_avg_count + 3nV** / (2 · meas_time · pulse_avg_count) for 10mV range.
* 0.0028ppm for the 100mV range, 0.0016ppm for ranges 1V and above.
** 8nV/ Hz for ranges above 10mV . meas_time (seconds) = pulsewidth – pulse_meas_delay in 33µs incr.

 

DC Noise Performance (DC noise expressed in volts peak-to-peak)
Response time = time required for reading to be settled within noise levels from a stepped input, 60Hz operation.
Channel 1
Response
Time
NPLC,
Filter
10 mV100 mVRange 1 V10 V100 VNMRRCMRR
25.0 s5, 756 nV20 nV75 nV750 nV75 µV110 dB140 dB
4.0 s5, 1015 nV50 nV150 nV1.5 µV75 µV100 dB140 dB
1.0 s1, 1825 nV175 nV600 nV2.5 µV100 µV95 dB140 dB
667 ms1, 10 or 5, 235 nV250 nV650 nV3.3 µV150 µV90 dB140 dB
60 ms1, Off70 nV300 nV700 nV6.6 µV300 µV60 dB140 dB
Channel 2
25.0 s5, 75 150 nV200 nV750 nV 110 dB140 dB
4.0 s5, 10 150 nV200 nV1.5 µV 100 dB140 dB
1.0 s1, 10 or 5, 2 175 nV400 nV2.5 µV 90 dB140 dB
85 ms1, Off 425 nV1 µV9.5 µV 60 dB140 dB

 

VOLTAGE NOISE VS. SOURCE RESISTANCE
(DC noise expressed in volts peak-to-peak)
Source
Resistance
NoiseAnalog
Filter
Digital
Filter
0 Ω6 nVOff100
100 Ω8 nVOff100
1 kΩ15 nVOff100
10 kΩ35 nVOff100
100 kΩ100 nVOn100
1 MΩ350 nVOn100

 

TEMPERATURE (Thermocouples)
(Displayed in °C, °F, or K. Accuracy based on ITS-90, exclusive of thermocouple errors.)
TYPERANGERESOLUTIONACCURACY
90 Day/1 Year
23° ±5°C
Relative to Simulated
Reference Junction
J–200 to + 760°C0.001 °C±0.2 °C
K–200 to + 1372 °C0.001 °C±0.2 °C
N–200 to + 1300 °C0.001 °C±0.2 °C
T–200 to + 400 °C0.001 °C±0.2 °C
E–200 to + 1000 °C0.001 °C±0.2 °C
R0 to + 1768 °C0.1 °C±0.2 °C
S0 to + 1768 °C0.1 °C±0.2 °C
B+350 to + 1820 °C0.1 °C±0.2 °C

 

Operating Characteristics
60Hz (50Hz) Operation
FunctionDigitsReadings/sPLCs
DCV Channel 1,
Channel 2,
Thermocouple
7.53 (2)5
7.56 (4)5
6.518 (15)1
6.545 (36)1
5.580 (72)0.1
4.5115 (105)0.01
Channel 1/Channel 2 (Ratio),
Delta with 24XX, Scan
7.51.5 (1.3)5
7.52.3 (2.1)5
6.58.5 (7.5)1
6.520 (16)1
5.530 (29)0.1
4.541 (40)0.01
Delta with 622X6.547 (40.0)1

 

System Speeds
RANGE CHANGE TIME<40 ms (<50 ms)
FUNCTION CHANGE TIME<45 ms (<55 ms)
AUTORANGE TIME<60 ms (<70 ms)
ASCII READING TO RS-232 (19.2K Baud)40/s (40/s)
MAX. INTERNAL TRIGGER RATE120/s (120/s)
MAX. EXTERNAL TRIGGER RATE120/s (120/s)

Accessories

  • 2107-30 Low-Thermal Input Cable
    9.1m (30 ft) length input cable. Terminated with a LEMO connector on one end and four copper spade lugs on the other. 
  • 2182-KIT Low-Thermal Connector with Strain Relief
    Connector kit for building a custom input cable for the 2182A. Includes a low-thermal (EMO) connector and a strain relief.
  • 2187-4 Low Thermal Test Lead Kit
    Includes an input cable with banana terminations, banana extensions, spring-hook clips, alligator clips, needle probes, and spade lugs. 
  • 4288-1 Rack Mount Kit
    Single-unit rack mount kit. Height: 88mm (3-1/2 in) 
  • 4288-2 Rack Mount Kit
    Dual-unit rack mount kit. Height: 88mm (3-1/2 in) 
  • 7078-TRX-5 Triax Cable
    3 Slot Low Noise, 5 ft. (1.5 m)

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