N1419A Datasheet, PDF (11/16 Pages) Keysight Technologies – Femto/Picoammeter and Electrometer/High Resistance Meter

11 | Keysight | B2980A Series Femto/Picoammeter and Electrometer/High Resistance Meter - Data Sheet
Voltage measurement
Measurement range
Display resolution
2V
1 μV
20 V
10 μV
Temperature coefficient 0 to 18 °C and 28 to 45 °C
Accuracy ± (% + offset)
0.025 + 40 μV
0.025 + 400 μV
± (0.05 x Accuracy)/°C
Supplemental characteristics
Input bias current
Input impedance
RMS noise
NMRR¹
CMRR²
< 20 fA
> 200 TΩ, parallel with < 20 pF (non-guarded) or < 2 pF (guarded)
1.4 μV for 2 V range, 10 s duration, shorted input
> 60 dB
> 140 dB at DC; > 70 dB at 50 Hz or 60 Hz
Notes
Conditions: properly zeroed, 6½-digit, 1 PLC
1.  Normal mode rejection ratio, integration time = 1, 2, ..., 100 PLC; power line frequency ± 0.1 %
2.  Common mode rejection ratio: 1 kΩ LO lead unbalance. Add the NMRR for PLC integration time.
Charge measurement
Measurement range
Display resolution
2 nC
1 fC
20 nC
10 fC
200 nC
0.1 pC
2 μC
1 pC
Temperature coefficient 0 to 18 °C and 28 to 45 °C
Accuracy¹ ± (% + offset)
0.4 + 50 fC
0.4 + 500 fC
0.4 + 5 pC
0.4 + 50 pC
± (0.1 x Accuracy)/°C
Notes
Conditions: Properly zeroed, 6½-digit, 1 ms aperture, specifications apply at 1 to 10 ms after charge acquisition.
1.  Add 6 fC/s to the accuracy specification for the time span between NULL and measurement
Voltage source
Sourcing range
20 V
Display resolution
700 μV
1000 V
35 mV
Temperature coefficient 0 to 18 °C and 28 to 45 °C
Source function
Notes
1.  Supplemental characteristics
2.  10 Hz to 20 MHz: Supplemental characteristics
3.  Open load
Accuracy ± (% + offset) Output current¹ Output noise²
0.05 + 2 mV
± 20 mA
55 μVp-p
(0.1 Hz to 10 Hz)
1.6 mVrms
(10 Hz to 20 MHz)
0.05 + 100 mV
± 1 mA
2.6 mVp-p
(0.1 Hz to 10 Hz)
3.0 mVrms
(10 Hz to 20 MHz)
± (0.05 x Accuracy)/°C
DC, sweep (linear single, linear double, list), ARB (square)
Settling time to
rated accuracy^1,3
200 μs
5 ms
Temperature measurement (Thermocouple)
Temperature sensor
Type-K thermocouple
Temperature probe in humidity sensor²
Range
–25 °C to 150 °C
–40 °C to 80 °C
Accuracy ± (% + offset)¹
0.2% + 2 °C
0.5 °C
Notes
1.  Thermocouple accuracy excluded for thermocouple, temperature probe accuracy included for humidity sensor
2.  Supported humidity sensor: EE07 Digital Humidity / Temperature Probe from E+E Electronik
Unit
°C, °F and K
°C, °F and K