Keithley 6487 User Manual

Model 6485 and 6487 User’s Manual Getting Started 1-5
Model 4803 Low Noise Cable Kit — This cable kit includes:
– 15m (50 ft) of low noise coax cable
– 10 male BNC connectors
– 5 female BNC chassis-mount connectors
Model 7078-TRX-BNC adapter — 3-slot
male triax to female BNC.
Model 8607 — Banan
a cable set (1m).
CA-186-1B — Bana
na lead to screw terminal adapter (one model CA-186-1B is included
with every order).
CAP-18
— Protective shield/cap for BNC connectors (one model CAP-18 is included
with every order).
CS-565 barrel adapter — This
barrel adapter allows you to connect two BNC cables
together. Both ends of the adapter are terminated with 2-lug female BNC connectors.
Model 6487 input cables, connectors, and adapters
237-TRX-BAR Barrel Adapter — This barrel adapter allows you to connect
two triax cables together. Both ends of the adapter are terminated with 3-lug female triax
conn
ectors.
Model 237-ALG-2 Triax Cable
— This 2m (6.6 ft) low-noise triax cable is terminated
with a three slot male triax connector on one end and 3 alligator clips on the other.
Model 237-TRX-T Adapter — This is
a 3-slot male to dual 3-lug female triax tee adapter
for use with 7078-TRX triax cables. Suitable for use with the Model 6487 V-Source in
high voltage applications.
Model 237-TRX-TBC Connector — This is
a 3-lug female triax bulkhead connector
with cap for assembly of custom panels and interface connections. Suitable for use with
the Model 6487 V-Source in high voltage applications.
Models 7078-TRX-3, 7078-TRX-10, and
7078-TRX-20 Triax Cables — These are low
noise triax cables terminated at both ends with 3-slot male triax connectors. The -3 model
is 3 ft. (0.9m) in length, the -10 model is 10 ft. (3m) in length, and the -20 model is 20 ft.
(6m) in length.
Model 7078-TRX-TBC Connector —
This is a 3-lug female triax bulkhead connector
with cap for assembly of custom panels and interface connections. Suitable for use with
the Model 6487 V-Source in high voltage applications.
Model 8009 Resistivity Test Fixture — This is a gu
arded test fixture for measuring vol-
ume and surface resistivities. It
can accommodate sheet samples with a diameter between
64 and 102mm (2 to 4 in.) and a thickness of up to 3.175mm ( in.).
Model 8606 High Performance Probe Tip Kit —
Consists of two spade lugs, two alliga-
tor clips, and two spring hook test probes. (The spade lugs
and alligator clips are rated at
30V RMS, 42.4V peak; the test probes are rated at 1000V.) These components are

Keithley 6487 Specifications

General

Type	Picoammeter/Voltage Source
Current Measurement Range	20 fA to 20 mA
Interfaces	GPIB, RS-232
Voltage Burden	< 200 µV
Input Impedance	>10^14 Ω
Power	100 V / 120 V / 220 V / 240 V
Basic Current Measurement Accuracy	0.4%