Specifications

Scanning Inputs Analog 34901A, 34902A, and 34908A multiplexer channels
Digital 34907A digital in and totalize
Scan List Scans channels in ascending order
Triggering Source Interval, external, button press, software,
or on monitor channel alarm
Scan count 1 to 50,000 or continuous
Scan interval 0 to 99 hours; 1 ms step size
Channel delay 0 to 60 seconds per channel; 1 ms step size
External trig delay <300 µs. With monitor on <200 ms
External trig jitter <2 ms
Alarms Analog inputs Hi, Lo, or HI + Lo evaluated each scan
Digital inputs
34907A digital in: maskable pattern match or state change
34907A totalize: Hi limit only
Monitor channel Alarm evaluated each reading
Alarm outputs 4 TTL compatible; selectable TTL logic Hi or Lo on fail
Latency 5 ms (typical)
Memory Readings 50,000 with timestamp; Readable during scan
(Battery backed, States 5 instrument states with user label
4 year typical life
1
) Alarm queue Up to 20 events with channel number, reading, and timestamp
System Features Per-channel math Individual Mx + B scaling and Min/Max/Average
calculated real time
Power fail recovery Resumes scanning automatically
Relay maintenance Counts each relay closure and stores on module.
User resettable.
Real time clock Battery-backed, 4 year typical life
1
General Specifications Power supply 100 V/120 V/220 V/240 V ±10%
Power line frequency 45 Hz to 66 Hz automatically sensed
Power consumption 12 W (25 VA peak)
Operating environment Full accuracy for 0°C to 55°C
Full accuracy to 80% R.H. at 40°C
Storage environment -40°C to 70°C
1
Weight Net: 3.6 kg (8.0 lbs)
Safety Conforms to CSA, UL-1244, IEC 1010 Cat 1
RFI and ESD CISPR 11, IEC 801/2/3/4
148
Ordering Information
34970A Data Acquisition/Switch Unit
Includes internal 6
1
/
2
digit DMM,
operating and service manuals, test
report, power cord, and Quick Start
package (includes Agilent Benchlink
Data Logger software, RS-232 cable,
thermo-couple, and screwdriver).
Modules are purchased separately
and are required to operate.
34970A-001 Delete Internal DMM
Same as above but deletes DMM
and quick start package
Order 34970-80010 to retrofit
DMM at a later time
34970A-1CM Rackmount Kit
34970A-0B0 Delete Manual Set
34901A 20-Channel Armature
Multiplexer
34902A 16-Channel Reed Multiplexer
34903A 20-Channel Actuator/
General Purpose Switch
34904A 4 x 8 Two-Wire Matrix Switch
34905A Dual 4-Channel RF Multiplexer,
50 Ohms (Includes (10) SMB-to-BNC(f)
50 Ω adapter cables)
34906A Dual 4-Channel RF Multiplexer,
75 Ohms (Includes (10 ) SMB-to-BNC(f)
75 Ω adapter cables)
34907A Multifunction Module
34908A 40-Channel Single-Ended
Multiplexer
Accessories
34161A Accessory Pouch
34131A Hard Carrying Case
E5810A LAN/GPIB Gateway
82357A USB to GPIB Converter
34970-80010 DMM Field Installation Kit
(Fully calibrated with Test Report and
Quick Start Kit)
Low-Cost Data Acquisition/Switch 34970A (Continued)
More detailed specifications at www.agilent.com/find/34970A
Data Acquisition & Switching
System Characteristics
1
Storage at temperature above 40°C will decrease battery life
2
Software provided on CD-ROM and includes utility to create floppy disks for installation
3
Interface and driver must be purchased and installed separately
4
90 MHz Pentium, 20 MB RAM
5
Requires VISA command library for IEEE-488
Microsoft, Windows, and Windows NT are U.S. registered trademarks of Microsoft Corporation.
Adobe and Acrobat are trademarks of Adobe Systems Incorporated.
Pentium is a U.S. registered trademark of Intel Corporation
System Requirements
2
Operating System Windows 98SE, NT
®
4.0 SP6a, 2000 SP4, XP,
Adobe
®
Acrobat
®
Reader V5.0 or higher (to view
documentation) Microsoft
®
Internet Explorer V5.0
or higher (required when using Windows NT)
Controller Recommended Pentium
®
4, 800 MHz or greater,
Min: Pentium III, 500 MHz
RAM Recommended 256 MB or greater, Min 128 MB
Disk Space Recommend 200 MB, Min 70 MB
Display 800 x 600 resolution, 256 colors
Computer Interfaces
3
GPIB Agilent and National Instruments PCI-GPIB
LAN-to-GPIB E5810A
USB-to-GPIB 82357A
RS-232 (Serial Port) PC COM 1-4
Software
Agilent BenchLink
Data Logger
(not included with Option 001)