HW 11/04/03
Rev. D
2790 SourceMeter
Switch System Specifications
MAINFRAME FUNCTION SPECIFICATION
AC System Speeds
7, 11
RANGE CHANGES
12
: 4/s (3/s).
FUNCTION CHANGES
12
: 4/s (3/s).
AUTORANGE TIME: < 3s.
ASCII READINGS TO RS-232 (19.2k baud): 50/s.
MAX. INTERNAL TRIGGER RATE: 300/s.
MAX. EXTERNAL TRIGGER RATE: 250/s.
AC Notes
1
20% overrange except on 750V and 3A.
2
Specifications are for SLOW mode and sine wave inputs >5% of range.
SLOW and MED are multi-sample A/D conversions. FAST is
DETector:BANDwidth 300 with nPLC = 1.0.
3
Applies to 0°–18°C and 28°–40°C.
4
Specifications are for square wave inputs only. Input signal must be
>10% of ACV range. If input is <20mV on the 100mV range then the
frequency must be >10Hz.
5
Applies to non-sine waves >5Hz and <500Hz. (Guaranteed by design for
Crest Factors >4.3)
6
For 1kΩ unbalance in LO lead.
7
Speeds are for 60Hz (50Hz) operation using factory defaults operating
conditions (*RST). Autorange off, Display off, Limits off, Trigger
delay=0. Includes measurement and binary data transfer out GPIB.
8
0.01% of step settling error. Trigger delay = 400ms.
9
Trigger delay = 0.
10
Sample count = 1024.
11
DETector:BANDwidth 300 with nPLC = 0.01.
12
Maximum useful limit with trigger delay = 175ms.
13
Typical uncertainties. Typical represents two sigma or 95% of
manufactured units measure < 0.35% of reading and three sigma or
99.7% < 1.06% of reading.
14
For signal levels >2.2A, add additional 0.4% to “of reading” uncertainty.
Internal Scanner Speeds:
Into and Out of Memory to GPIB
1
7702 Scanning DCV: 60/s
Internal Scanner Speed Notes:
1
Speeds are 60Hz or 50Hz operation using factory default conditions
(*RST). NPLC = 0.01. Auto Zero off, Auto Range off, and Display off.
Sample count =1024. Includes measurement and binary data transfer out
GPIB.
GENERAL SPECIFICATIONS
POWER SUPPLY: 100V / 120V / 220V / 240V.
LINE FREQUENCY: 50Hz to 60Hz and 400Hz,
automatically sensed at power-up.
POWER CONSUMPTION: 28VA.
OPERATING ENVIRONMENT: Specified for 0°C to
50°C. Specified to 80% R.H. at 35°C. Altitude up to 2000
meters.
STORAGE ENVIRONMENT: -40°C to 70°C.
BATTERY: Lithium battery-backed memory, 3 years @
23°C.
WARRANTY: 1 year.
EMC: Conforms to European Union Directive 89/336/EEC
EN61326-1.
SAFETY: Conforms to European Union Directive
73/23/EEC EN61010-1, CAT I.
VIBRATION: MIL-PRF-28800F Class 3, Random.
WARM-UP: 2 hours to rated accuracy.
DIMENSIONS:
Rack Mounting: 89mm high × 213mm wide × 370mm
deep (3.5 in. × 8.375 in. × 14.563 in.).
Bench Configuration (with handle and feet): 104mm
high × 238mm wide × 370mm deep (4.125 in. ×
9.375 in. × 14.563 in.).
SHIPPING WEIGHT: 6.5kg (14 lbs).
DIGITAL I/O: 2 inputs, 1 for triggering and 1 for
hardware interlock. 5 outputs, 4 for Reading Limits and 1
for Master Limit. Outputs are TTL compatible or can sink
250mA, diode clamped to 33V.
EARTH ISOLATION: 500Vpeak, >10GΩ and <150pF
any terminal to chassis.
TRIGGERING AND MEMORY:
Window Filter Sensitivity: 0.01%, 0.1%, 1%, 10%, or
Full-scale of range (none).
Reading Hold Sensitivity: 0.01%, 0.1%, 1%, or 10% of
reading.
Trigger Delay: 0 to 99 hrs (1ms step size).
External Trigger Delay: <2ms.
External Trigger Jitter: <1ms.
Memory Size: 55,000 readings.
MATH FUNCTIONS: Rel, Min/Max/Average/Std
Dev/Peak-to-Peak (of stored reading), Limit Test, %, mX
+ b and m(1/X) +b with user defined units displayed.
REMOTE INTERFACE:
GPIB (IEEE-488.2) and RS-232C.
SCPI (Standard Commands for Programmable
Instruments)
ACCESSORIES SUPPLIED: User Manual and
Reference Manual, Screw Driver.
MODULES SUPPORTED: Models 7751, 7752, and
7702.
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