Lianxun Instruments S3012H Standard Benchtop Source Measure Unit Single-Channel Precision Source/Measure Unit ±200 V, ±3 A (DC), ±10 A (pulse)

Model：S3012H Country of Origin：China

Category：SMU Source Measure Unit

Overview：

The Semight Instruments S3012H precision source/measure unit is a compact, cost-effective single-channel high-precision source measure unit (SMU) with a standard half-rack width and a rich LCD-based user interface, making it an ideal choice for a wide range of high-precision, high-resolution test tasks.

Features

Specifications

Application Notes

Functions & Configuration

Key Features

High Range
Ranges: ±200 V, ±3 A (DC), ±10 A (pulsed)
High Resolution
Minimum measurement resolution down to 100 fA / 100 nV
High Sampling Rate
Supports ADC sampling rates up to 1 MS/s
Hardware Synchronization
Single- and multi-unit synchronization via dedicated hardware for high-speed, low-latency multi-channel synchronization

Features & Benefits

5 functions in one
Voltage source
Current source
Ammeter
Voltmeter
Electronic load
Quadrants I and III operate as a source: the actual polarity of the V/I output follows the source setting;
Quadrants II and IV operate as a load: CC and CV work together, and when used as a load, the load setting polarity is opposite to the source polarity;
Capable of testing a wide range of devices
Capture more measurement data
♦ 6½-digit resolution: accuracy comparable to a 6½-digit digital multimeter;
♦ 100 fA / 100 nV resolution: exceptional sensitivity for both sourcing and measurement;
♦ 1M points/s: high-speed measurement with fast setup and digitizing rates for arbitrary waveform generation and list sweeps;

Voltage source specifications

Voltage setting accuracy	Range	Setting resolution	Accuracy (1 year)【1】±(% reading + offset)	Typical noise (RMS) 0.1 Hz-10 Hz
	±200 V【2】	1 mV	0.02%+30 mV	1.5 mV
	±20 V	100 μV	0.02%+2 mV	160 μV
	±6 V	50 μV	0.02%+500 μV	36 μV
	±200 mV	1 μV	0.02%+120 μV	4 μV
Temperature coefficient	±(0.15 × accuracy specification)/°C (0℃-18℃, 28℃-50℃)
Maximum output power per channel	30 W: ±20 V@1.5 A; 30 W: ±200 V@0.15 A; 18 W: ±6 V@3 A
settling time	<800 μs (typical)
Overshoot	<±0.1% (6 V voltage range, Normal, step from 10% to 90% of range, full-scale point, resistive load test)
Noise 10Hz-20MHz	<3 mVrms (6V voltage source, 3A resistive load)

[1] Accuracy calculation example: to test the accuracy of a 120mV output on the 200mV 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 source specifications

Current setting accuracy	Range	Setting resolution	Accuracy (1 year) ±(% reading + offset)	Typical noise (RMS) 0.1 Hz-10 Hz
	±10 A1	50 μA	0.4% + 40 mA	nA
	±3 A	15 μA	0.05% + 2 mA	40 μA
	±1.5 A	10 μA	0.02% + 500 μA	20 μA
	±150 mA	1 μA	0.02% + 25 μA	5 μA
	±15 mA	100 nA	0.02% + 6 μA	700 nA
	±1.5 mA	10 nA	0.02% + 250 nA	16 nA
	±150 μA	1 nA	0.02% + 25 nA	1 nA
	±15 μA	100 pA	0.02% + 3 nA	140 pA
	±1.5 μA	10 pA	0.03% + 450 pA	25 pA
	±150 nA	1 pA	0.05% + 250 pA	5 pA
Temperature coefficient	±(0.15 × accuracy specification)/°C (0℃-18℃, 28℃-50℃)
Maximum output power per channel	30W: ±20V@1.5A; 30W: ±200 V@0.15A; 18W: ±6 V@3A
settling time	<500 μs (typical)
Overshoot	<±0.1% (6 V voltage range, Normal, step from 10% to 90% of range, full-scale point, resistive load test)

1. The 10A range supports pulse mode only; accuracy is typical.

Voltmeter specifications

Voltage measurement accuracy	Range	Display resolution	Accuracy (1 year) ±(% reading + offset)
	±200 V	100 μV	0.02% + 30 mV
	±20 V	10 uV	0.02% + 2 mV
	±6 V	1 uV	0.02% + 500 μV
	±200 mV	100 nV	0.02% + 120 μV
Temperature coefficient	±(0.15 × accuracy specification)/°C (0℃-18℃, 28℃-50℃)

Ammeter specifications

Current measurement accuracy	Range	Display resolution	Accuracy (1 year) ±(% reading + offset)
	±10 A1	10 μA	0.4% + 25 mA
	±3 A	10 μA	0.05% + 2 mA
	±1.5 A	1 μA	0.02% + 500 μA
	±150 mA	100 nA	0.02% + 25 μA
	±15 mA	10 nA	0.02% + 6 μA
	±1.5 mA	1 nA	0.02% + 250 nA
	±150 μA	100 pA	0.02% + 25 nA
	±15 μA	10 pA	0.02% +3 nA
	±1.5 μA2	1 pA	0.03% + 450 pA
	±150 nA2	100 fA	0.05% + 250 pA
Temperature coefficient	±(0.15 × accuracy specification)/°C (0℃-18℃, 28℃-50℃)

1. The 10 A range supports pulse mode only; accuracy is typical.

2. For low-current measurement, triaxial cable connection is recommended. Connect Force Hi to the core wire, Guard to the inner shield, and the outer shield to protective ground; connect Force Lo to the core wire, leave the inner shield unconnected, and connect the outer shield to protective ground. The rated insulation voltage of the coaxial cable shall be no less than 250V.

Resistance meter specifications (4-wire)

Resistance measurement accuracy	Range	Display resolution	default measurement current	Typical accuracy (1 year) ±(% reading + offset)
	1 Ω	1 μΩ	1.5 A	0.073% +0.3334 mΩ
	10 Ω	10 μΩ	150 mA	0.057% + 3.334 mΩ
	100 Ω	100 μΩ	15 mA	0.08% + 33.34 mΩ
	1 kΩ	1 mΩ	1.5 mA	0.057% + 333. 4 mΩ
	10 kΩ	10 mΩ	150 μA	0.057% + 3.334 Ω
	100 kΩ	100 mΩ	15 μA	0.06% + 33.34 Ω
	1 MΩ	1 Ω	1.5 μA	0.06% + 333.4 Ω
	10 MΩ	10 Ω	0.15 μA	0.35% + 3.334 kΩ
	100 MΩ	100 Ω	0.05 μA	0.95% + 10 kΩ
Temperature coefficient	±(0.15 × accuracy specification)/°C (0℃-18℃, 28℃-50℃)
Manual current source resistance measurement (4-wire)	Total error = measured voltage / current source setting current = resistance reading x (voltage source range gain error percentage + ammeter range gain error percentage + current source range offset error / setting current) + (voltage source range offset error / setting current value). Example: current source setting current = 1.5A, voltage measurement range = 6V, total error = (0.02% + 0.02% + 500μA/1.5A) + (500μV/1.5A) ≈ 0.073% + 0.3334 mΩ

Pulse source specifications (4-wire)

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	As shown in the figure below, the time from the 10% leading edge to the 90% trailing edge

Pulse specifications	Maximum current limit	Maximum pulse width	Maximum duty cycle
1	0.15 A/200 V	DC, unlimited	100%
2	1.5 A/20 V	DC, unlimited	100%
3	3 A/6 V	DC, unlimited	100%
4	3 A/20 V	1ms	10%
5	10 A/6 V	1ms	10%

Pulse source rise time (4-wire)

Output	Range	Typical rise time1,3	Typical settling time2,3	Test load
Voltage Source	200 V	600 μs	1.5 ms	No load
	20 V	200 μs	360 μs	No load
	6 V	160 μs	300 μs	No load
Current source	10 A	140 μs	320 μs	6V voltage range, full load
	3 A	120 μs	280 μs	6V voltage range, full load
	1.5 A	120 μs	280 μs	6V voltage range, full load
	150 mA	120 μs	280 μs	6V voltage range, full load
	15 mA	120 μs	280 μs	6V voltage range, full load
	1.5 mA	120 μs	280 μs	6V voltage range, full load

1. Time required for the pulse leading edge to go from 10% to 90%.

2. Time required for the pulse to reach within 1% of the final value.

3. Current source test is based on the 6V voltage range, with 105% full-scale clamp setting.

I-V output capability

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Lianxun Instruments S3012H Standard Benchtop Source Measure Unit Single-Channel Precision Source/Measure Unit ±200 V, ±3 A (DC), ±10 A (pulse)

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