Lianxun Instruments S2026H High-Precision Benchtop Source Measure Unit Dual-Channel Precision Power/Measurement Unit ±200 V, ±1 A (DC), ±3 A (pulse)

Model：S2026H Country of Origin：China

Category：SMU Source Measure Unit

Overview：

The Semight S2026H Precision Source/Measure Unit is a compact, cost-effective dual-channel benchtop source/measure unit (SMU) offering wide voltage source (±200 V) and current source (±1 A DC and ±3 A pulse) capability, excellent accuracy, 6½-digit display (10 fA/100 nV minimum display resolution), and a superior color LCD graphical user interface (GUI).

Features

Specifications

Application Notes

Functions & Configuration

Key Features

High Range
Ranges: ±200 V, ±1 A (DC), ±3 A (pulsed)
High Resolution
Minimum measurement resolution down to 10 fA / 100 nV
High Sampling Rate
Supports ADC sampling rates up to 1 MSa/s
Threshold triggering
Hardware high-speed I/O enables threshold triggering for efficient interaction between output measurements and the user's system

Features and benefits

DC I-V output capability
Pulsed I-V output capability

Voltage specifications

Voltage accuracy	Range	Setting resolution	Accuracy (1 year) 【1】 ±(% reading + offset)	Typical noise (RMS) 0.1 Hz-10 Hz
	±200 V【2】	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	12 μV
	±0.6 V	100 nV	0.03%+100 μV	3 μV
Temperature coefficient	±(0.15×accuracy specification)/℃ (0℃-18℃, 28℃-50℃)
Maximum output power per channel	20W：±20V@1A；20W：±200V@100mA；0.6W：±0.6V@1A
Overshoot	<±0.1% (Normal, step from 10% to 90% of range, full-scale point, resistive load test)
Noise 10Hz-20MHz	<5 mVrms (20 V voltage source, 1 A resistive load)

[1] Accuracy calculation example: to test the accuracy of a 120 mV output on the 600 mV range, the tolerance is:

[2] This instrument has potentially hazardous high voltage (±210 V) output to the HI /Sense HI/Guard terminals. To prevent electric shock, relevant safety precautions must be taken before powering on. Do not connect the Guard terminal to any output, including shorting it to chassis ground or output LO, otherwise the instrument will be damaged

Current specifications

Current accuracy	Range	Setting resolution	Accuracy (1 year) ±(% reading + offset)	Typical noise (RMS) 0.1Hz-10Hz
	±3 A【3】	1 μA	0.03% + 2mA	40 μA
	±1 A	100 nA	0.03% + 90 μA	7 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【4】	1 pA	0.03% +1 nA	80 pA
	±1 μA【4】	100 fA	0.03% + 200 pA	20 pA
	±100 nA【4】【5】	100 fA	0.06% +30 pA	3 pA
	±10 nA【4】【5】	10 fA	0.06% +9 pA	600 fA
Temperature coefficient	±(0.15×accuracy specification)/℃ (0℃-18℃, 28℃-50℃)
Maximum output power per channel	20W：±20V@1A；20W：±200V@100mA；0.6W：±0.6V@1A
Overshoot	<±0.1% (20 V voltage range, Normal, step from 10% to 90% of range, full-scale point, resistive load test)

[3] The 3 A range supports pulse mode only; accuracy is typical.

[4] For weak low-current measurement, it is recommended to keep using triaxial cable connection; if a triaxial terminal is used to convert to ordinary wiring output, the current accuracy of the instrument will be affected.

[5] Additional specification conditions: NPLC set to 10 PLC

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Lianxun Instruments S2026H High-Precision Benchtop Source Measure Unit Dual-Channel Precision Power/Measurement Unit ±200 V, ±1 A (DC), ±3 A (pulse)

Voltage specifications

Current specifications

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