High precision desktop source meter
S2025H
Single-Channel Precision Source Meter
The Semight Instruments S2025H is a compact, cost-effective dual channel desktop power supply/measurement unit (SMU) with a wide range of voltage source (± 200V) and current source (± 1A DC and ± 3A pulse) functions, excellent accuracy, 6-and-a-half bit display (minimum 10fA/100nV display resolution), and excellent color LCD graphical user interface (GUI).
Features
High range
Range: ± 200 V, ± 1 A (DC), ± 3A (pulse)High resolution
The minimum measurement resolution can reach 10 fA/100 nVHigh sampling rate
Supports up to 1M ADC sampling rateThreshold trigger
Hardware high-speed IO, capable of threshold triggering, enabling efficient interaction between output measurement values and user systemsFeatures and Benefits
DC I-V output capability
Voltage programming accuracy |
Range |
Measurement resolution |
Accuracy (1 Year) ± (% reading+ offset) |
Typical Noise (RMS) 0.1 Hz-10 Hz |
±200 V |
100 μV |
0.03%+10 mV |
0.4 mV |
|
±20 V |
10 μV |
0.03%+1 mV |
50 μV |
|
±6 V |
1 μV |
0.03%+0.4 mV |
9 μV |
|
±0.6 V |
100 nV |
0.03%+100 μV |
2 μV |
|
Temperature coefficient |
±(0.15 × accuracy)/℃ (0℃-18℃,28℃-50℃) |
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Maximum output power |
20W: ±20V@1A, ±200V@100mA; 20W: ±0.6 V@1A |
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Settling time |
<50 μs (typical) |
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Overshoot |
<±0.1% (Typical. Norma mode. Step is 10 % to 90 % range, full range, resistive load) |
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Noise 10Hz-20MHz |
20V voltage source, 1A resistive load, <5 mVrms |
Current programming accuracy
|
Range |
Measurement resolution |
Accuracy (1 Year) ± (% reading+ offset) |
Typical Noise (RMS) 0.1 Hz-10 Hz |
±3 A1 |
1 μA |
0.03% + 2 mA |
20 μA |
|
±1 A |
100 nA |
0.03%+90 μA |
4 μA |
|
±100 mA |
10 nA |
0.03%+9 μA |
600 nA |
|
±10 mA |
1 nA |
0.03%+900 nA |
60 nA |
|
±1 mA |
100 pA |
0.03%+90 nA |
6 nA |
|
±100 μA |
10 pA |
0.03%+9 nA |
700 pA |
|
±10 μA |
1 pA |
0.03%+1 nA |
80 pA |
|
±1 μA |
100 fA |
0.03%+200 pA |
20 pA |
|
±100 nA2 |
100 fA |
0.06%+30 pA |
3 pA |
|
±10 nA2 |
10 fA |
0.06%+9 pA |
600 fA |
|
Temperature coefficient |
±(0.15 × accuracy)/℃ (0℃-18℃,28℃-50℃) |
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Maximum output power |
20W: ±20V@1A, ±200V@100mA;18W: ±0.6 V@1A |
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Settling time |
<100 μs (typical) |
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Overshoot |
<±0.1% (Typical. Normal mode. Step is 10 % to 90 % range, full range, resistive load) |
1, 3A range is available only for pulse mode, accuracy specifications for 3A range are typical.
2, Additional specification conditions: 10 PLC setting
Minimum programmable pulse width |
100 μs |
Pulse width programming resolution |
1 μs |
Pulse width programming accuracy |
±10 μs |
Pulse width jitter |
2 μs |
Pulse width definition |
The time from 10 % leading to 90 % trailing edge as follows |
Item |
Maximums |
Maximum pulse width |
Maximum duty cycle |
1 |
0.1 A/200 V |
DC, no limit |
100% |
2 |
1 A/20 V |
DC, no limit |
100% |
3 |
3 A/6 6.6 V |
1 ms |
5% |
4 |
3 A/160 V |
400 μs |
2% |
Source |
Maximum output |
Typical rise time 1 |
Typical Settling Time2 |
Test load |
Voltage |
160 V |
800 μs |
1.2 ms |
NO load |
5 V |
40 μs |
100 μs |
NO load |
|
Current |
3A~100 μA |
90 μs |
250 μs |
Full load3 |
10 μA |
120 μs |
400 μs |
Full load3 |
|
1 μA |
800 μs |
1.2 ms |
Full load3 |
|
100 nA |
2 ms |
5 ms |
Full load3 |
|
10 nA |
5 ms |
20 ms |
Full load3 |
1, Leading edge, the time from 10 % leading to 90 % leading
2, The time required from Pulse out 0 to reach within 1 % of final value
3, Test condition: Normal, resistive load 6V maximum output
Source |
Range |
Output settling time1 |
Condition |
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Fast2 |
Normal |
Slow |
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Voltage |
200 V |
<500 μs |
<1 ms |
<2 ms |
Time required to reach within 0.1 % of final value at open load condition. Step is 10 % to 90 % range |
20 V |
<60 μs |
<100 μs |
<600 μS |
||
6 V |
<60 μs |
<100 μs |
<300 μs |
||
0.6 V |
<50 μs |
<50 μs |
<50 μs |
||
Current |
3 A~1 mA |
<50 μs |
<100 μs |
<0.8 ms |
Time required to reach within 0.1 % (0.3 % for 3 A range) of final value at short condition. Step is 10 % to 90 % range |
100 μA~10 μA |
<100 μs |
<150 μs |
<0.8 ms |
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1 μA |
<1 ms |
<1 ms |
<1 ms |
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100 nA |
<3 ms |
<3 ms |
<3 ms |
||
10 nA |
<10 ms |
<10 ms |
<10 ms |
1,Output transition speed:Fast, Normal, Slow. Users can adjust the APFC parameters based on the load characteristics to obtain precision, and fast output characteristics
2, Slow mode is recommended for overshoot sensitive equipment, Fast mode may have overshoot on output in some condition
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