Temperature

23° C± 5

Humidity

30% to 80%

After 60 minutes, warmAmbient temperature change less than 3° C after self- calibration

Calibration

1

Measurement

1 PLC (power line)                                                                          

Maximum voltage and current

Max voltage

Max current

DC or pulsed¹

210 V

0.105 A

21 V

1.515 A²

6 V

3.03 A²

Pulsed only¹

200 V

1.515 A

6 V

10.5 A

Ch1 voltage                                                 Ch2 voltage

Max total current limitation of Ch1 and Ch2

Ch1 current + Ch2 current ≤ 4 A

Ch1 current + Ch2 current x 1.6 ≤ 4 A

Ch1 current + Ch2 current x 0.625 ≤ 2.5 A

Ch1 current + Ch2 current ≤ 2.5 A

Voltage source specifications

Range

Programming resolution

B2901A/B2902A        B2911A/B2912A

Accuracy 

(% reading + offset)

Noise 

(peak to peak)

0.1 Hz to 10 Hz¹

Max voltage

(over range)

±200 mV

1 μV                           100 nV

±(0.015 % + 225 μV)

≤ 10 μV

±210 mV

±2 V

10 μV                         1 μV

±(0.02 % + 350 μV)

≤ 20 μV

±2.1 V

±20 V

100 μV                       10 μV

±(0.015 % + 5 mV)

≤ 200 μV

±21 V

±200 V

1 mV                          100 μV

±(0.015 % + 50 mV)

≤ 2 mV

±210 V

Range

Programming resolution

B2901A/B2902A             B2911A/B2912A

Accuracy

(% reading + offset)

Noise (peak to peak) 

0.1 Hz to 10 Hz ¹

Max current

(over range)

±10 nA²

—

10 fA

±(0.10 % + 50 pA)

≤ 1 pA

±10.5 nA

±100 nA

1 pA

100 fA

±(0.06 % + 100 pA)

≤ 2 pA

±105 nA

±1 μA

10 pA

1 pA

±(0.025 % + 500 pA)

≤ 25 pA

±1.05 μA

±10 μA

100 pA

10 pA

±(0.025 % + 1.5 nA)

≤ 60 pA

±10.5 μA

±100 μA

1 nA

100 pA

±(0.02 % + 25 nA)

≤ 2 nA

±105 μA

±1 mA

10 nA

1 nA

±(0.02 % + 200 nA)

≤ 6 nA

±1.05 mA

±10 mA

100 nA

10 nA

±(0.02 % + 2.5 μA)

≤ 200 nA

±10.5 mA

±100 mA

1 μA

100 nA

±(0.02 % + 20 μA)

≤ 600 nA

±105 mA

±1 A

10 μA

1 μA

±(0.03 % + 1.5 mA)

≤ 70 μA

±1.05 A

±1.5 A

10 μA

1 μA

±(0.05 % + 3.5 mA)

≤ 100 μA

±1.515 A

±3 A

100 μA

10 μA

±(0.4 % + 7 mA)

≤ 120 μA

±3.03 A

±10 A³

100 μA

10 μA

±(0.4 % + 25 mA)⁴

±10.5 A

Temperature coefficient (0 to 18°C and 28 to 50°C)

± (0.1 x accuracy) /°C

Max output power and source/sink limits

31.8 W

±6 V @ ±3.03 A, ±21 V @ ±1.515 A, ±210 V @ ±105 mA, four quadrant source or sink operation

Current limit/compliance

Accuracy is same as current source. Minimum value is 1 % of range, or 1 nA in 10 nA range.

Voltage limit/compliance

Accuracy is same as voltage source. Minimum value is 1 % of range, or 20 mV in 200 mV range

Over range

101 % of source range for 1.5 A and 3 A ranges. 105 % of source range other than 1.5 A and 3 A ranges. No over range for 200 V range with current exceeding 105 mA pulse only condition.

Over temperature protection

Output turns off then resets at over temperature sensed internally

Voltage output settling time

Time required to reach within 0.1 % of final value at open load condition. Step is 10 % to 90 % range

200 mV, 2 V ranges

< 50 μs

20 V range

< 110 μs

200 V range

< 700 μs

Slew rate

≤ 0.36 V/μs, 20 V and 10 mA ranges, 10 MΩ load resistance

Current output settling time

Time required to reach within 0.1 % (0.3 % for 3 A range) of final value at short condition. Step is 10 % to 90 % range

10 nA, 100 nA ranges

< 10 ms

1 μA range

< 500 μs

10 μA, 100μA ranges

< 250 μs

1 mA to 3 A ranges

< 80 μs

Noise 10 Hz to 20 MHz (V source)

3 mVrms, 20 V range

V source overshoot

< ±(0.1 % + 10 mV). Step is 10 % to 90 % range, resistive load

Minimum programmable pulse width

50 μs

Pulse width programming resolution

1 μs

Pulse width definition

The time from 10 % leading to 90 % trailing edge as follows

Pulsed

DC

Max voltage

Max peak current

Max base current

Pulse width

Max duty cycle

Max voltage

Max current

DC or pulsed

210 V

0.105 A

0.105 A

50 μs to 99999.9 s

99.9999 %

210 V

0.105 A

21 V

1.515 A1

1.515 A1

50 μs to 99999.9 s

99.9999 %

21 V

1.515 A¹

6 V

3.03A1

3.03 A1

50 μs to 99999.9 s

99.9999 %

6 V

3.03 A¹

Pulsed only

200 V

1.515A

50 mA

50 μs to 2.5 ms

2.5 %

180 V

1.05 A

50 mA

50 μs to 10 ms

2.5 %

6 V

10.5 A

0.5 A

50 μs to 1 ms

2.5 %

Minimum pulse width at the given voltage, current and settling conditions

Source value

Limit value

Load

Source settling (% of range)

Min pulse width

200 V

1.5 A

200 Ω

0.1%

1 ms

6 V

10.5 A

0.6 Ω

0.1%

0.2 ms

1.5 A

200 V

65 Ω

0.1%

2.5 ms

10.5 A

6 V

0.5 Ω

0.1%

0.2 ms

Range

Measurement resolution

Accuracy

B2901A/B2902A               B2911A/B2912A

(% reading + offset)

±200 mV

100 nV                              100 nV

±(0.015 % + 225 μV)

±2 V

1 μV                                   1 μV

±(0.02 % + 350 μV)

±20 V

10 μV                                10 μV

±(0.015 % + 5 mV)

±200 V

100 μV                              100 μV

±(0.015 % + 50 mV)

Current measurement specifications

Range

Measurement resolution

Accuracy

B2901A/B2902A

B2911A/B2912A

(% reading + offset)

±10 nA¹

—

10 fA

±(0.10 % + 50 pA)

±100 nA

100 fA

100 fA

±(0.06 % + 100 pA)

±1 μA

1 pA

1 pA

±(0.025 % + 500 pA)

±10 μA

10 pA

10 pA

±(0.025 % + 1.5 nA)

±100 μA

100 pA

100 pA

±(0.02 % + 25 nA)

±1 mA

1 nA

1 nA

±(0.02 % + 200 nA)

±10 mA

10 nA

10 nA

±(0.02 % + 2.5 μA)

±100 mA

100 nA

100 nA

±(0.02 % + 20 μA)

±1 A

1 μA

1 μA

±(0.03 % + 1.5 mA)

±1.5 A

1 μA

1 μA

±(0.05 % + 3.5 mA)

±3 A

10 μA

10 μA

±(0.4 % + 7 mA)

±10 A²

10 μA

10 μA

±(0.4 % + 25 mA)³

Temperature coefficient (0 to 18°C and 28 to 50°C)

± (0.1 x accuracy) /°C

Over range

102 % of measurement range for 1.5 A and 3 A ranges

106 % of measurement range other than 1.5 A and 3 A ranges

Voltage measurement range change overshoot

< 250 mV. 100 kΩ load, 20 MHz bandwidth

Current measurement range change overshoot

< 250 mV/R load, 20 MHz bandwidth

Derating accuracy for measurement speed less than 1 PLC

Add % of range using the following table for measurement with PLC < 1

Derating accuracy with PLC setting< 1 PLC

Voltage range

Current range

0.2 V

2 V to 200 V

10 nA

100 nA

1 μA to 100 mA   1 A to 3 A

0.1 PLC

0.01%

0.01%

0.1%

0.01%

0.01%                   0.01%

0.01 PLC

0.05%

0.02%

1%

0.1%

0.05%                   0.02%

0.001 PLC

0.5%

0.2%

5%

1%

0.5%                     0.2%

Timer

Time stamp

TIMER value automatically saved when each measurement is triggered

Trigger timing resolution

1 μs to 100 ms

Accuracy

± 50 ppm

Arm/trigger delay

0 μs to 100,000 s

Arm/trigger interval

B2901A/B2902A : 20 μs to 100,000 s

B2911A/B2912A : 10 μs to 100,000 s

LXI Trigger in to source change

Minimum 100 μs, Typical 200 μs, Maximum Unknown

LXI Trigger in to measurement

Minimum 100 μs, Typical 200 μs, Maximum Unknown

Internal event to external LXI trigger output

Minimum 100 μs, Typical 200 μs, Maximum Unknown

LXI event send/receive latency

Unknown

Minimum trigger interval

10 μs

Output characteristics

Sensing Modes

2-wire or 4-wire (Remote-sensing) connections

Low terminal connection

Chassis grounded or floating

Output connectors

Banana jack. Triaxial connections are recommended for sourcing and measuring less than 1 nA. A banana jack to triaxial adapter is available for low current measurement.

Output location

Channel 1 at front, and channel 2 at rear

Maximum load

Normal mode: 0.01 μF

High Capacitance mode: 50 μF

DC loating voltage

Max ±250 V DC between low force and chassis ground

Guard offset voltage (V source)

< 4 mV

Remote sense operation range

Max voltage between High Force and High Sense = 3 V

Max voltage between Low Force and Low Sense = 3 V

Common mode isolation

> 1 GΩ, < 4500 pF

Maximum sense lead resistance:

1 kΩ for rated accuracy

Sense input impedance

> 10 GΩ

Current measurement settling time

1 μA range

230 ms

10 μA, 100 μA ranges

23 ms

1 mA, 10 mA ranges

0.23 ms

100 mA to 3 A ranges

100 μs

Delay into high cap mode

Mode change delay

Delay out of high cap mode

1 μA range

230 ms

10 μA, 100 μA ranges

23 ms

1 mA to 3 A ranges

1 ms

All ranges

10 ms

Noise 10 Hz to 20 MHz (20 V range)

4.5 mVrms

Voltage source range change overshoot (20 V range or below)

< 250 mV, 20 MHz bandwidth

High Capacitance                                          V/I mode

Voltage source mode only

mode working

Range conditions

Current measurement range is limited to fixed range only. 10 nA and 100 nA ranges are not available.

Current limit

≥ 1 μA

Source I mode, manual ohm measurement (4-wire)

Total error = Vmeas/Isrc = R reading x (gain error % of V range + gain error % of

I range + offset error of I range/Isrc value %) + (offset error of V range/Isrc value)

Source V mode, manual ohm measurement (4-wire)

Total error = Vsrc/Imeas = 1/ [1/R reading x (gain error % of I range + gain error % of

V range + offset error of V range/Vsrc value %) + (offset error of I range/Vsrc value)]

Measurement speed

1 PLC

Applicable for temperature

23 °C ± 5 °C

Example of total error calculation

I source value = 1 mA at 1 mA range

V measure range = 2 V range

Total error (% reading + offset) = (0.02 % + 0.02 % + 200 nA/1 mA) + (350 μV/1 mA) = 0.06 % + 0.35 Ω

Range

Resolution

Test current

Current range

Total error

(% reading + offset)

2 Ω

1 μΩ

1 A

1 A

0.2 % + 0.00035 Ω

20 Ω

10 μΩ

100 mA

100 mA

0.06 % + 0.0035 Ω

200 Ω

100 μΩ

10 mA

10 mA

0.065 % + 0.035 Ω

2 kΩ

1 mΩ

1 mA

1 mA

0.06 % + 0.35 Ω

20 kΩ

10 mΩ

100 μA

100 μA

0.065 % + 3.5 Ω

200 kΩ

100 mΩ

10 μA

10 μA

0.06 % + 35 Ω

2 MΩ

1 Ω

1 μA

1 μA

0.095 % + 350 Ω

20 MΩ

10 Ω

100 nA

100 nA

0.18 % + 3.5 kΩ

200 MΩ

100 Ω

10 nA

100 nA

1.08 % + 35 kΩ

System speeds

Maximum sweep operation reading rates (reading/second) for 50 Hz

Measure speed      Measure to memory

Measure to GPIB   Source measure      Source measure to memory               to GPIB

< 0.001 PLC              20000

12500                     19500                     12500

0.01 PLC                   4500

3950                       4500                       3950

0.1 PLC                     500

490                         500                         490

1 PLC                        49

49                           49                           49

Environment

For use in indoor facilities

Operating

0 °C to +55 °C, 30 % to 80 % non-condensing

Storage

-30 °C to 70 °C, 10 % to 90 % non-condensing

Altitude

Operating: 0 m to 2000 m, Storage: 0 m to 4600 m

Power supply

90 V to 264 V, 47 Hz to 63 Hz, 250 VA maximum

EMC

IEC61326-1/EN61326-1, AS/NZS CISPR 11, KC: RRA Notification amending Radio Waves Act Article 58-2

Safety

IEC61010-1/EN61010-1, CAN/CSA-C22.2 No. 61010-1-04, C/US

Certifications

CE, cCSAus, C-Tick, KC

Warm-up

1 hour

Dimensions

Case

88 mm (2U) x 213 mm (half width) x 450 mm

Working

180 mm x 260 mm x 480 mm (with handle & feet)

Weight

Net

5.0 kg (B2901A, B2911A), 6.4 kg (B2902A, B2912A)

Shipping

9.0 kg (B2901A, B2902A, B2911A, B2912A)

Front panel operation

Front panel interface

4.3” TFT color display (480x272, with LED backlight) with keypads and rotary knob

View mode

Single view, Dual view, Graph view and Roll view

Hardkeys

Single Trigger and Auto Trigger control, 10-key, Rotary Knob and Cursors, Channel on/off, View, Cancel/Local

Softkeys

Function, System and Input Assist Keys

Indicators

Channel (measurement) status, System status

Sweep measurement

Number of steps

1 to 2,500

Sweep mode

Linear, logarithmic (log) or list

Sweep direction

Single or double

Type

DC, or pulse

Min programmable value to create list sweep waveform

B2901A/B2902A: Min 20 μs with 1 μs resolution

B2911A/B2912A: Min 10 μs with 1 μs resolution

Digitizing/sampling measurement

Min trigger interval (Max speed of measurement)

B2901A/B2902A: 20 μs (50,000 points/s)

B2911A/B2912A: 10 μs (100,000 points/s)

Data buffers

Max buffer size

100,000 points / channel

Input/Output connectivity

GP-IB

IEEE-488.2

Ethernet

100BASE-T / 10BASE-T

USB

USB 2.0 host controller (front)

USB 2.0 device interface (rear)

Digital I/O

Connector type

25-pin female D.

Input/output pins

14 open drain I/O bits

Absolute max input voltage

5.25 V

Absolute min input voltage

- 0.25 V

Max logic L input voltage

0.8 V

Min logic H input voltage

2.0 V

Max source current

1 mA @ Vout = 0 V

Max sink current

50 mA @ Vout = 5 V

5 V power supply pin

Limited to 500 mA, solid state fuse protected

Safety interlock pin:

One active high pin and one active low pin. Activation of both pin enables output voltage > 42 V

Maximum number of simultaneously triggered units (using Digital I/O)¹:

8