Datasheet

Model 2450 Interactive SourceMeter
®
Instrument Specifications
Specifications are subject to change without notice
4 of 7 SPEC-2450 Rev. A / July 2013
Overshoot
Voltage source:
 < 0.1 % typical
 Step size = Full scale, resistive load, 20 V range, 10 mA I-limit
Current source:
 < 0.1 % typical

Step size = 1 mA, R
Load
= 10 kΩ, 20 V range
Range change overshoot
Overshoot into a fully resistive 100 kΩ load, 10 Hz to 20 MHz bandwidth, adjacent
ranges: 250 mV typical
Output settling time
Time required to reach within 0.1 % of final value:
20 V range, 100 mA I-limit: < 200 µs typical
Maximum slew rate
0.2 V per µs, 200 V range, 100 mA limit into a 20 KΩ load (typical)
Overvoltage protection
User-selectable values, 5 % tolerance; factory default = none
Voltage source noise
10 Hz to 1 MHz (RMS): 2 mV typical into a resistive load
Common mode voltage
250 V DC
Common mode isolation
> 1 GΩ, < 1000 pF
Noise rejection (typical) NPLC NMRR CMRR
0.01 ----- 60 dB
0.1 ----- 60 dB
1 60 dB 100 dB*
* Except lowest two current ranges ~90 dB
Load impedance Normal mode
 20 nF typical
High-capacitance mode
 Stable into 50 µF typical
 High-capacitance mode valid for ≥
100 µA ranges, ≥ 200 mV ranges
Maximum voltage drop between
force and sense terminals
5 V
Maximum sense lead resistance
1 MΩ for rated accuracy
Sense input impedance
> 10 GΩ
Guard offset voltage
< 300 µV typical