S2026H
S2026H Semight Instruments Dual-Channel Precision Source Meter
The Semight Instruments S2026H 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).
- High range -Range: ± 200 V, ± 1 A (DC), ± 3A (pulse)
- High resolution – The minimum measurement resolution can reach 10 fA/100 nV
- High sampling rate – Supports up to 1M ADC sampling rate
- Threshold trigger – Hardware high-speed IO, capable of threshold triggering, enabling efficient interaction between output measurement values and user systems
Features and Benefits
DC I-V output capability
Pulse I-V output capability
Voltage source/ measurement specifications
| 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 | |
| ±0.6V | 100 nV | 0.03%+100 μV | 2 μV | |
| Temperature coefficient | ±(0.15 × accuracy)/℃ (0℃-18℃,28℃-50℃) | |||
| Maximum output power | 20W: ±20V@1A, ±200V@100mA; 20W: ±0.6 V@1A | |||
| Settling time | <50 μs (typical) | |||
| Overshoot | <±0.1% (Typical. Norma mode. Step is 10 % to 90 % range, full range, resistive load) | |||
| Noise 10Hz-20MHz | 20V voltage source, 1A resistive load, <5 mVrms | |||
Current source/ measurement specifications
| 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℃) | |||
| Maximum output power | 20W: ±20V@1A, ±200V@100mA;18W: ±0.6 V@1A | |||
| Settling time | <100μs (typical) | |||
| Overshoot | <±0.1% (Typical. Normal mode. Step is 10 % to 90 % range, full range, resistive load) | |||
- 3A range is available only for pulse mode, accuracy specifications for 3A range are typical.
- Additional specification conditions: 10 PLC setting
Pulse source specifications (4W)
| 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 6.6V | 1 ms | 5% |
| 4 | 3 A/160 V | 400 μs | 2% |
Typical Pulse Performance(4W)
| 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 | 3 A~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 |
- Leading edge, the time from 10 % leading to 90 % leading
- The time required from Pulse out 0 to reach within 1 % of final value
- Test condition: Normal, resistive load 6V maximum output
Typical output settling time
| Source | Range | Output settling time1 | Condition | ||
| Fast2 | Normal | Slow | |||
| 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 | ||
| 1 μA | <1 ms | <1 ms | <1 ms | ||
| 100 nA | <3 ms | <3 ms | <3 ms | ||
| 10 nA | <10 ms | <10 ms | <10 ms | ||
- Output transition speed：Fast, Normal, Slow. Users can adjust the APFC parameters based on the load characteristics to obtain precision, and fast output characteristics
- Slow mode is recommended for overshoot sensitive equipment, Fast mode may have overshoot on output in some condition