Lianxun Instruments S2021H High-Precision Benchtop Source Measure Unit Four-Channel Precision Source/Measure Unit ±30 V, ±500 mA (DC, pulse)

Model：S2021H Country of Origin：China

Category：SMU Source Measure Unit

Overview：

The Semight S2021H Precision Source/Measure Unit is a compact, cost-effective 4-channel benchtop source/measure unit (SMU) capable of sourcing and measuring voltage and current simultaneously. It delivers up to ±30 V and ±500 mA (DC/pulse) output, along with an excellent color LCD graphical user interface (GUI).

Features

Specifications

Application Notes

Functions & Configuration

Key Features

High Range
Range: ±30 V, ±500 mA (DC and pulsed)
High Resolution
Minimum measurement resolution down to 100 pA / 60 μV
High Sampling Rate
ADC sampling rate up to 500 kS/s
Threshold triggering
Hardware high-speed I/O enables threshold triggering for efficient interaction between measured outputs and the user's system

Features and benefits

I-V output capability

Voltage source specifications

Voltage setting accuracy	Range	Setting resolution	Accuracy (1 year) ±(% reading + offset) 【1】	Typical noise (RMS) 0.1 Hz-10 Hz
	±30 V【3】	1 mV	0.03%+4 mV	1000 μV
	±6 V	200 μV	0.03%+1 mV	100 μV
Temperature coefficient	±(0.15×accuracy specification)/℃ (0℃-18℃, 28℃-50℃)
Channel【2】	CH1-CH4
Output power	Maximum 3 W per channel, maximum 6 W total for four channels
Overshoot	<±0.1% (typical, Normal, step from 10% to 90% of range, full-scale point, resistive load test)
Noise 10Hz-20MHz	<3 mVrms, 6 V voltage source, 0.5 A resistive load

[1] Accuracy calculation example: to test the accuracy of a 1 V output on the 6 V range, the tolerance is:

[2] All channel outputs are electrically isolated from earth ground, but the outputs of CH1-CH4 share a common ground (LO), and the outputs of CH5-CH8 share a common ground (LO).

[3] This instrument outputs potentially hazardous high voltage (±31.5 V) to the HI/Sense HI/Guard terminals. To prevent electric shock, relevant safety precautions must be taken before power-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 source specifications

Current accuracy	Range	Setting resolution	Accuracy (1 year) ±(% reading + offset)	Typical noise (RMS) 0.1Hz-10Hz
	±500 mA【4】	20 μA	0.05% + 100 μA + Vo*25 μA	10 μA
	±100 mA	4 μA	0.05% + 10 μA+ Vo*5 μA	1 μA
	±10 mA	400 nA	0.05% + 5 μA + Vo*500 nA	100 nA
	±1 mA	40 nA	0.05% + 500 nA + Vo*50 nA	10 nA
	±100 μA	4 nA	0.05% + 50 nA + Vo*5 nA	1 nA
	±10 μA	400 pA	0.05% + 20 nA + Vo*500 pA	150 pA
Temperature coefficient	±(0.15×accuracy specification)/℃ (0℃-18℃, 28℃-50℃)
Channel【5】	CH1-CH4
Output power	Maximum 3 W per channel, maximum 6 W total for four channels
Overshoot	<±0.1% (typical, Normal, step from 10% to 90% of range, full-scale point, resistive load test)

[4] The 500 mA range supports the 6 V voltage range only.

[5] All channel outputs are electrically isolated from earth ground, but CH1-CH4 channel outputs share a common ground (LO), and CH5-CH8 channel outputs share a common ground (LO)

Voltmeter specifications

Voltmeter accuracy	Range	Measurement resolution	Accuracy (1 year) ±(% voltage + offset)
	±30 V	300 μV	0.03%+4 mV
	±6 V	60 μV	0.03%+1 mV
Temperature coefficient	±(0.15×accuracy specification)/℃ (0℃-18℃, 28℃-50℃)

Ammeter specifications

Ammeter accuracy	Range	Measurement resolution	Accuracy (1 year) ±(% current + offset)
	±500 mA【6】	10 μA	0.05% + 100 μA + Vo*25 μA
	±100 mA	1 μA	0.05% + 10 μA+ Vo*5 μA
	±10 mA	100 nA	0.05% + 5 μA + Vo*500 nA
	±1 mA	10 nA	0.05% + 500 nA + Vo*50 nA
	±100μA	1 nA	0.05% + 50 nA + Vo*5 nA
	±10μA	100 pA	0.05% + 20 nA + Vo*500 pA
Temperature coefficient	±(0.15×accuracy specification)/℃ (0℃-18℃, 28℃-50℃)

[6] The 500 mA range supports the 6 V voltage range only.

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Lianxun Instruments S2021H High-Precision Benchtop Source Measure Unit Four-Channel Precision Source/Measure Unit ±30 V, ±500 mA (DC, pulse)

Voltage source specifications

Current source specifications

Voltmeter specifications

Ammeter specifications

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