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DIGITAL MULTIMETERS
2000-20 Scanning Multimeter
Keithley’s new Model 2000-20 Scanning Multimeter is a special version of our
popular Model 2000 61⁄
measure applications involving up to 20 inputs (channels). The DMM comes
complete with the 20-channel scanner card already installed in the option slot,
so it’s easy to create a self-contained multi-point measurement solution. A
quick-disconnect connector on the rear panel simplifies system set-up. The
switching card can be controlled from the front panel or via the RS-232 or
IEEE-488 interface.
High-Performance Multimeter
The Model 2000-20 builds upon the standard Model 2000’s
high-performance, cost-effective design, combining a
broad range of functions with excellent accuracy specifications. As the industry’s fastest 61⁄2-digit DMM, the Model
2000 has already established itself in literally thousands of
production test applications around the world. Built-in
measurement functions include AC and DC voltage and
current, 2- and 4-wire ohms, as well as continuity, period,
frequency, dB, dBm, temperature and diode testing. A
built-in limit testing function can be used to sort or grade
components or assemblies based on test results.
Choose 2- or 4-Pole Switching
The Model 2000-20’s card can be configured to handle up
to 20 channels of 2-pole switching or 10 channels of 4-pole
switching. The closed channel is displayed on the multimeter’s front panel. Multiple channel closures can be programmed via the multimeter’s RS-232 or IEEE-488 interfaces.
2
-digit DMM. It’s designed especially for switch-and-
ORDERING INFORMATION
2000-20 61⁄
2000-MTCD-2 2 meter cable (44-pin to
2000-MTC-2 2 meter cable (44-pin to
2000-SCAN-20 Replacement 20-channel
TestPoint Test Development Software
This product is available with an Extended
Warranty. See page 235 for descriptions of
all accessories.
2
factory-installed 20-channel
scanner card
50-pin)
unterminated) (included
with 2000-20)
scanner card, designed for
use exclusively with the
Model 2000-20.
-Digit Multimeter with
•61⁄2-digit multimeter
•Switch up to 20 (2-pole) or 10
(4-pole) channels
•Scan rates up to 90 ch/s (DCV)
•Quick-disconnect rear panel connector
•Compatible with existing test software
Scanner configuration
HI
Ch. 1
LO
Ch. 2–9
Ch. 10
Ch. 11
Ch. 12–19
Ch. 20
HI
LO
HI
LO
HI
LO
HI
LO
HI
LO
2-Pole4-Pole
QQZQ
QZQQ
OUT A
QZZQ
OUT B
Signal Handling Flexibility and Integrity
The card is designed for switching DC signals up to 60V/0.5A, 30VA maximum or AC signals up to
30V/0.5A, 15VA maximum, 100kHz maximum. Each contact pair on the card has <±1µV contact
potential typical, 2µV maximum to ensure measurement integrity.
High Software Compatibility
The Model 2000-20 helps preserve a user’s investment in control software when it’s used to upgrade
the performance of an existing computer-controlled test system. The Model 2000-20 is compatible
with system software developed for use with the standard Model 2000. The TestPoint software
drivers included with the Model 2000-20 and the available LabVIEW driver provide support for the
20-channel switching capability. For applications with even higher channel counts, the Model
2000-20 is compatible with Keithley’s 7000 Series switch mainframes and cards.
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www.keithley.com
QUESTIONS?
1-800-552-1115 (U.S. only)
Call toll free for technical assistance,
product support or ordering information, or
visit our website at www.keithley.com.
Page 2
DIGITAL MULTIMETERS
2000-20 Scanning Multimeter
Easy Scanner Connections
The scanner channel connections for the Model 2000-20 are made through a
44-pin high-density D-subminiature connector. The required (female) mating
connector is not included. Instead, Keithley offers two optional cable assemblies with a mating connector.
The 2000-MTCD-2 is a 2-meter long cable with a 44-pin connector on one end
that’s designed to mate with the scanner card. The other end is equipped with
a 50-pin D-subminiature connector, designed to mate with 50-pin female D
connectors. Both ends have quick-disconnect clips. The cable contains 20
Quick-disconnect clips on the 2000-MTCD-2 or 2000-MTC-2
cables simplify making connections to the card.The red and black
leads shown here connect the scanner ouptut to the DMM: two
wires for 2-pole switching and four wires for 4-pole switching.
Applications
• Component test applications that require up to 20
channels
• 4-wire ohms resistance measurements
• Benchtop measurements
twisted pairs of #28 stranded wire and an overall shield.
The 2000-MTC-2 is similar to the
2000-MTCD-2, but without the 50-pin
connector. The cable is left unterminated for direct connection to the
user’s fixturing or device. One 2000MTC-2 is included with the 2000-20.
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Model 2000-MTC-2
QQZQ
QZQQ
QZZQ
Specifications These specifications apply to the Model 2000-SCAN-20 card. For multimeter specifications, refer to the Model 2000.
GENERAL:
20 Channels: 20 channels of 2-pole relay input. All channels
Relay Type: Latching electromechanical.
Actuation Time: <3.5ms.
CAPABILITIES: Multiplex one of twenty 2-pole or one of ten 4-pole
signals into DMM.
INPUTS
Maximum Signal Level:
DC Signals: 60V DC, 0.5A switched, 30VA maximum (resistive
AC Signals: 30V AC rms or 42.4V AC peak, 100kHz maximum, 0.5A
Contact Life: >10
Contact Resistance: <1Ω at end of contact life.
Contact Potential:
Connector Type: 44 pin male D-subminiature.
Isolation Between Any Two Terminals: >10
Isolation Between Any Terminal and Earth: >10
Common Mode Voltage: 42.4V AC peak; 60V DC between any ter-
Maximum Voltage Between Any Two Terminals: 42.4V AC peak,
Maximum Voltage Between Any Terminal and Model 2000 Input
ENVIRONMENTAL:
Operating Environment: Specified for 0°C to 50°C. Specified to
Storage Environment: –40°C to 70°C.
DIMENSIONS,WEIGHT: 21mm high × 72mm wide × 221mm deep
(0.83 in. × 2.83 in. × 8.7 in.). Adds 0.3kg (7 oz.).
configurable to 4-pole.
load).
switched, 15VA maximum (resistive load).
operations cold switching.
<±1µV typical per contact, 2µV max. <±1µV typical per contact
pair, 2µV max.
minal and earth.
60V DC.
LO: 42.4V AC peak, 60V DC.
80% R.H. at 35°C.
5
operations at maximum signal level; >10
8
Ω, <75pF.
8
Ω, <150pF.
8
Internal Scanner Speed
Maximum Internal Scanner Rates
RANGE: Channels/s
TRIGGER DELAY = 0
DCV
All : 100 All : 90 All : 95 <10MΩ : 31 All : 60
TRIGGER DELAY = AUTO
DCV
0.1 V : 95 All : 1.8 100 Ω : 81 100 Ω : 28 All : 60
1 V : 100 1 kΩ : 81 1 kΩ : 28
10 V : 101 10 kΩ : 42 10 kΩ : 21
100 V : 70 100 kΩ : 28 100 kΩ : 17
1000 V : 70 1 MΩ : 8 1 MΩ : 7
1
2
2
ACV
ACV
2,3
2,3
2 WIRE 4 WIRE
OHMS2OHMS2TEMPERATURE
2 WIRE 4 WIRE
OHMS2OHMS2TEMPERATURE
10 MΩ : 5 10 MΩ : 5
100 MΩ : 3 100 MΩ : 3
2
2
Internal Scanner Speed Notes
1. Speeds are for 60Hz operation using factory default operating conditions (*RST). Auto Zero off, Auto Range off,
Display off, sample count = 1024.
2. NPLC = 0.01.
3. DETector:BANDwidth 300.
Specifications are subject to change without notice.
The Model 2000-20 multimeter is also compatible with the existing 9- and 10-channel
scanner cards in the Series 2000 line.
www.keithley.com
QUESTIONS?
1-800-552-1115 (U.S. only)
Call toll free for technical assistance,
product support or ordering information, or
visit our website at www.keithley.com.
47
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