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B2980B Series
Femto/Picoammeter and
Electrometer/High
Resistance Meter
The world’s only graphical Picoammeter/Electrometer that can
confidently measure down to 0.01 fA and up to 10 PΩ
Configure Your Keysight B2980B Series Femto/Picoammeter and Electrometer
Keysight B2980B Series consists of the following four models.
•
B2981B Femto/Picoammeter, 0.01fA
•
B2983B Femto/Picoammeter, 0.01fA, Battery
•
B2985B Electrometer/High Resistance Meter, 0.01 fA, 1000V
•
B2987B Electrometer/High Resistance Meter, 0.01 fA, 1000V, Battery
This configuration guide contains a step-by-step process to help you configure your Femto/Picoammeter
and Electrometer and related accessories to meet your specific test requirements.
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Step 1. Select a B2980B Series model
First, you’ll need to decide on either a picoammeter or an electrometer based on your required
measurement parameters and either a battery model or not based on your requirement for realizing low
noise measurement. This will then determine which B2980B model is best for you. Please note that the
B2980B Series are not upgradable later on.
Measurement Parameters
Voltage
Source
Battery
Operation
Current
Voltage
Resistance
Charge
Femto/
Picoammeter
B2981B √
B2983B √ √
Electrometer
B2985B √ √ √ √ √
B2987B √ √ √ √ √ √
Additional information
0.01 fA to
20 mA
1 μV to
20 V
< 10 PΩ
1 fC to
2 μC
Up to
± 1,000 V
The following items are supplied as standard with each B2980B Series model:
Standard furnished items
Number of pieces
Description
Orderable parts
number
B2981B
B2983B
B2985B
B2987B
1
Quick startup poster/Quick
reference
NA
1ea
1ea
1ea
1ea
2
Power cord
NA
1ea
1ea
1ea
1ea
3
Earthing wire (2 m)
NA 1ea 1ea 4 USB cable
8121-1696
1ea
1ea
1ea
1ea
5
Ground connection cable, Banana
to Screw-lug
B2981-61715
1ea
1ea
1ea
1ea
6
Triax cable (1.5 m, 200 V)
16494A-001
1ea
1ea
1ea
1ea
7
Open cap for Triax connector
N1417A
1ea
1ea
2ea
2ea 8 Alligator clips (black and red)
U3606-60030
1ea
1ea
9
High voltage test leads (black and
red, 1000 V)
U8201-60001
1ea
1ea
10
Thermocouple for B2985/B2987
N1423A
1ea
1ea
11
Interlock connector head
NA
1ea
1ea
12
Humidity probe connector head
NA
1ea
1ea
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Step 2. Add optional productivity tools
There are several productivity tools that can help you startup your measurement quickly and maintain
measurement integrity for your challenging sensitive measurements.
Description
Product
number
Additional Information
Applicable model
B2981B
B2983B
B2985B
B2987B
Starter kit for
B2985/ B2987
N1410A
The following items are included:
N1415A Triax to alligator clip cable,
1ea
√
√
N1414A High resistance
measurement universal adapter,
1ea
Setup integrity
checker for
B2980 series,
fixed perpetual
license
N1420A
The Setup integrity checker
measures and records the
measurement setup’s noise level,
which enables you to isolate the
cause of noise related to test setup
elements including cables,
adapters, shields, chambers, etc.
√ √ √
√
Customer installable software
license key
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Step 3. Choose optional accessories
Step 3-1. Choose a rack mount kit (optional)
Description
Product
number
Additional Information
Applicable model
B2981B
B2983B
B2985B
B2987B
Rack
Mount Kit
1CM124A
Includes a rack mount flange and front
handle kit. Fits standard 19-inch rack
and occupies two units of rack space.
√ √ √
√
Step 3-2. Choose additional accessories for current measurements (optional)
You can add the following accessories based on your measurement requirements.
Recommended Connection
Simple Connection 1
Typical
connection
example
Current measurement connection,
Grounded
Current measurement connection,
Grounded
Recommended
accessories
16494A-001
Low leakage Triax
cable (200 V, 1.5 m,
Furnished)
N1415A
Triax to alligator cable
16494A-002/004
Low leakage Triax
cable (200 V,
3.0 m/4.0 m)
B2981-61715
Ground connection
cable, Banana to
Screw-lug (Furnished)
N1412A/B/C
Low leakage Triax
cable (500 V,
1.5 m/3 m/6 m)
N1416A/B
Triax bulkhead
connector
(200 V/500 V)
B2981-61715
Ground connection
cable, Banana to
Screw-lug
(Furnished)
1. The “Reco mm ended C onnection ” is pref erred ove r the “Ea sy Connecti on” when making se nsitive l ow -level measurements.
Shield
16494A, N1412A/B/C
Triax cable
N1416A/B
Triax bulkhead
connector
Banana-to-lug cable
(furnished)
Is
N1215A
Triax to alligator
Shield
Is
Banana-to-lug cable
(furnished)
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