Keithley 2000-SCAN-20 Instruction Manual page 75

A-2 Specs and Accessories
GENERAL:
20 Channels: 20 channels of 2-pole relay input. All channels
configurable to 4-pole.
Relay Type: Latching electromechanical.
Actuation Time: <3.5ms.
Safety: Conforms with European Union Directive 73/23/EEC.
EMC: Conforms with European Union Directive 89/336/EEC.
CAPABILITIES: Multiplex one of twenty 2-pole or one of ten
4-pole signals into DMM.
INPUTS
Maximum Signal Level:
DC Signals: 60V DC CAT I, 0.5A switched, 30VA maximum
(resistive load).
AC Signals: 30V AC rms CAT I or 42.4V AC peak, 100kHz maxi-
mum, 0.5A switched, 15VA maximum (resistive load).
Contact Life: >10 5 operations at maximum signal level; >10
operations cold switching.
Contact Resistance: <1Ω at end of contact life.
Contact Potential:
<±1µV typical per contact, 2µV max. <±1µV typical per con-
tact pair, 2µV max.
Connector Type: 44 pin male D-subminiature.
Isolation Between Any Two Terminals: >10
Isolation Between Any Terminal and Earth: >10
Common Mode Voltage: 42.4VAC peak; 60VDC between any
terminal and earth.
Maximum Voltage Between Any Two Terminals: 42.4VAC peak, 60VDC.
Maximum Voltage Between Any Terminal and Model 2000 Input LO: 42.4VAC peak, 60VDC.
Internal Scanner Speed
MAXIMUM INTERNAL SCANNER RATES
RANGE: Channels/s 1
TRIGGER DELAY = 0
DCV 2 ACV 2, 3
All : 100 All : 90
TRIGGER DELAY = AUTO
DCV 2 ACV 2, 3
0.1 V : 95 All : 1.8
1 V : 100
10 V : 101
100 V : 70
1000 V : 70
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.
ENVIRONMENTAL:
Operating Environment: Specified for 0°C to 50°C. Specified to 80% R.H. at 35°C.
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.).
Specifications are subject to change without notice.
8
Ω, <75pF.
8
Ω, <150pF.
8
2 WIRE 4 WIRE
OHMS 2 OHMS 2 TEMPERATURE
All : 95 <10MΩ : 31
2 WIRE 4 WIRE
OHMS 2 OHMS 2 TEMPERATURE
100 Ω : 81 100 Ω : 28
1 kΩ : 81 1 kΩ : 28
10 kΩ : 42 10 kΩ : 21
100 kΩ : 28 100 kΩ : 17
1 MΩ : 8 1 MΩ : 7
10 MΩ : 5 10 MΩ : 5
100 MΩ : 3 100 MΩ : 3
Scanner Configuration
HI
Channel 1
LO
Channel 2–9
HI
Channel 10
LO
4-Pole
HI
Channel 11
LO
Channel 12–19
HI
Channel 20
LO
2
All : 60
2
All : 60
HI
OUT A
LO
HI
OUT B
LO
2-Pole