Triggering and Memory
Reading HOLD Sensitivity 10%, 1%, 0.1%, or 0.01% of range
Samples/Trigger 1 to 50,000
Trigger Delay
0 to 3600s; 10µs step size
External Trigger Delay <1ms
External Trigger Jitter
<500µs
Memory 1024 readings
Math Functions
NULL (Channel 1 DCV, Channel 2 DCV, Difference,
MMMNResistance, Temperature)
STATS (Min, Max, Average, Peak-Peak, Standard Deviation,
MMMMIINumber of readings)
SCALE (Allows linear scaling as y=mx+b)
CHART NULL (Establishes zero for rear panel output)
Filter (Analog or Digital or Both)
Analog Low pass 2 pole @ 11Hz, available
for 1, 10, 100mV range
Digital Moving average filter, 10 (fast),
50 (medium) or, 100 (slow) reading
averages.
Chart Out (Analog Out)
Maximum output: ± 3V
Accuracy: ± 0.1% of output + 1 mV
Output Resistance: 1 kΩ ± 5%
Update rate: once per reading
Span and Offset: Adjustable
Standard Programming Languages
SCPI (IEEE 488.2), Keithley 181
Accessories Included
4 ft low thermal cable with copper spade lugs, 4-wire shorting
plug, user’s manual, service manual, contact cleaner, test
report and power cord
General Specifications
Front Panel Connection shielded, low thermal, 99% copper
contacts
Power Supply
100V/120V/220V(230V)/240V ± 10%
Power Line Frequency 45Hz to 66Hz and 360Hz to 440Hz
Automatically sensed at power-on.
Power Consumption 25VA peak (10W average)
Operating Environment
Full accuracy for 0° C to 55° C
Full accuracy to 80% R.H. up to 40° C
Storage Environment
-40° C to 75° C
Weight 3 kg (6.5 lbs)
Safety Designed to CSA, UL-1244,
IEC-1010
RFI and ESD CISPR 11
Vibration and Shock MIL-T-28800E, Type III, Class 5
Warranty 3 year
8
Chapter 8 Specifications
34420A Nano Volt/Micro Ohm Meter
279
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