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Source Meters

Source meters, also called source measure units (SMUs), are specialised and sophisticated electronic test and measurement instruments designed to generate voltages and currents–precisely measuring them with robust accuracy. A source meter is a versatile instrument that incorporates the features of a pulse generator, digital multimeter, power supply, and electronic load within a single unit. Most importantly, source measuring units can provide four quadrant operations–sourcing, sinking current, and voltages. Engineers extensively use source meters to collect data about a device’s power, current, and voltage levels. A source measuring unit is also programmable, compact, and integrated with protection features, ensuring safe operations in various domains. 

Broad Range Functions of Source Meters

A source meter can offer several functionalities, including:

  • Voltage and Current Sourcing
  • Voltage and Current Measurement
  • Resistance and Power Measurement
  • Sweeping and Scanning
  • IV Curve Tracing
  • Limit Testing
  • Data Logging and Analysis
  • Remote Control
  • Compliance Testing.

Key Features and Benefits of Source Meters

Source measuring units come equipped with unique features, providing unparalleled benefits to professionals in terms of:

  • Versatile Functionality: Source meters are versatile test and measurement devices, making them must-have instruments for characterising and testing devices like diodes, transistors, and sensors.
  • Small Footprint: Source meters are typically compact and designed for benchtop use, saving valuable workspace in laboratories and test environments.
  • Voltage and Current Generation: Source meters can generate precise voltage and current signals for testing multiple electronic components, devices, and circuits.
  • High Precision: SMUs offer high measurement accuracy and resolution–making precise measurements of voltage, current, resistance, and other electrical parameters.
  • Programmability: Many source meter models are programmable to create custom voltage and current waveforms for specific test scenarios. 
  • Four-Quadrant Operation: Source measuring units are capable of four-quadrant operation, making them beneficial for testing devices that require both sourcing and sinking, such as batteries or energy storage systems.
  • Protection Features: Source meters often include built-in protection mechanisms to safeguard the instrument and the devices under test from over-voltage and over-current conditions.
  • Cost Efficiency: Source meters can replace multiple pieces of test equipment, leading to cost savings in the long run.

Best Source Meters from the Leading Brands

Source meters are available from reputable manufacturers, including Keithley source measuring units. Keithley provides a broad range of SMU series, such as 2400 Graphical Series SMU, 2400 standard series SMU, and 2600B Series SMU. Enrgtech stocks an extensive range of SMUs from other leading suppliers and manufacturers, including Aim-TTi, Keysight Technologies, and Rohde & Schwarz.

Typical Applications of Source Meters

Source meters find applications in various industries and are used to test and characterise multiple electronic components, including:

  • Semiconductor Manufacturing 
  • Research and Development 
  • Quality Control 
  • Production Testing
  • Transistors 
  • Diodes 
  • Integrated Circuits
  • Solar Cells 
  • LEDs.

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Rohde & Schwarz
Rohs Verified
NGU411COM, Rohde & Schwarz
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£ 3716.69
Keithley
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2612B, Keithley
2 In Stock
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£ 11340.00
Keithley
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2602B, Keithley
2 In Stock
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£ 11160.00
Rohde & Schwarz
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NGU411-P, Rohde & Schwarz
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£ 3455.06
Keithley
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2614B, Keithley
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£ 10890.00
Keithley
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2635B, Keithley
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£ 12780.00
Keithley
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2611B, Keithley
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£ 7533.00
Rohde & Schwarz
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NGU411, Rohde & Schwarz
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£ 3455.06
Keithley
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2636B, Keithley
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£ 18810.00
Keithley
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2604B, Keithley
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£ 9900.00
Keithley
2430, Keithley
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£ 9409.05
Keithley
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2634B, Keithley
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£ 16650.00
Keithley
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2601B, Keithley
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£ 7380.00
Rohde & Schwarz
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NGU411-G, Rohde & Schwarz
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£ 3801.33
Keithley
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2601B-Pulse, Keithley
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£ 12690.00
Keithley
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2461, Keithley
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£ 9810.00
Rohde & Schwarz
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NGU201-P, Rohde & Schwarz
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£ 5960.25
Rohde & Schwarz
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NGU401COM, Rohde & Schwarz
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£ 5731.67
Rohde & Schwarz
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NGU401-P, Rohde & Schwarz
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£ 5463.61
Aim-TTi
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SMU4001, Aim-TTi
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£ 2721.60
Rohde & Schwarz
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NGU201COM, Rohde & Schwarz
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£ 6278.13
Rohde & Schwarz
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NGU201-G, Rohde & Schwarz
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£ 6267.78
Rohde & Schwarz
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NGU401-G, Rohde & Schwarz
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£ 5864.89
Aim-TTi
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SMU4201, Aim-TTi
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£ 3581.10
Keithley
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2460, Keithley
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£ 8577.00
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2440, Keithley

2440, Keithley

Keithley SourceMeter Series 2400 The Keithley SourceMeter Series 2400 offers the combination of low cost, tightly integrated sourcing and measurement, and wide dynamic range. This makes the Series 2400 models well suited for benchtop and system applications with low voltage requirements and with limited test hardware budgets. Principal applications include high brightness LED forward/reverse I-V and LIV (light-current-voltage) testing, solar cell efficiency test (source and sink current) and precision DC load characterisation - replacing readback supplies or supply/DMM combinations, which typically provide insufficient accuracy (IDDQ testing). Other applications include: active/passive component test, voltage/current/resistance measurements; battery operation validation for portable electronic devices; characterising implantable medical devices (e.g. pacemakers); characterising low-leakage electronic device/circuits (forward/reverse, transistor gain/leakage); calibrating 3- to 4-digit data acquisition boards, meters and DMMs. Class of instruments designed for high speed DC testing Wide dynamic range 4-quadrant operation 0.012% basic accuracy with 5-digit resolution 6-wire Ω measurement with programmable I source and V clamp Ohms range 200Ω 1700 readings/second at 4 digits via GPIB Built-in comparator for fast pass/fail testing Digital I/O for fast binning and connection to component handlers GPIB, RS-232 and Trigger Link interfaces Note All SourceMeter instruments provide 4-quadrant operation. In the 1st and 3rd quadrants, they operate as a source, delivering power to a load. In the 2nd and 4th quadrants, they operate as a sink - dissipating power internally. Voltage, current and resistance can be measured during source or sink operation. Supplied with Test leads and (downloadable) LabVIEW software driver, LabTracer software, TestPoint software driver Keithley Power Supplies
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2450+MICFIP, Masterplug

2450+MICFIP, Masterplug

Keithley 2450 Sourcemeter plus RS Pro WiFi Microscope On offer is a great value bundle comprising Keithley 2400 Series sourcemeter model 2450 ( 781-2964 ) and an RS Pro WiFi microscope ( 913-2487 ). Keithley Power Supplies
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2612B, Keithley

2612B, Keithley

Keithley SourceMeter Series 2600B Series 2600B current/voltage source and measure instruments are built from Keithley's 3rd generation SMU technology. Each tightly integrated instrument offers the capabilities of a precision power supply, true current source, 6 digit DMM, arbitrary waveform generator, pulse generator and electronic load. Series 2600B models feature built-in Java-based test software which enables true plug & play I/V characterisation through any browser, on any computer, from anywhere in the world. Series 2600B is a family of powerful instruments with unique capabilities in testing components and devices across many applications including R&D, production test, education and QA/FA. 4-quadrant voltage/current source and measure with 6 digit resolution (2-line VFD display)Choose model from series offering exceptional dynamic range, 10A pulse to 0.1fA and 200V to 100nVBuilt-in Java-based test softwareTest Script Processing (TSP) technology embeds complete test programs for best-in-class system-level throughputTSP-Link expansion technology for multi-channel parallel test without a mainframeUSB 2.0, LXI-C, GPIB, RS-232 and digital I/O interfacesSoftware drivers and development/debug tools suppliedModel choice includes lower specification (2604B, 2614B, 2634B) instrumentsSupplied with Operator and programming manuals, low noise triax cable 2m (6.6ft) with alligator clip, mating screw terminal connectors with strain relief and covers, TSP-Link/Ethernet cable (2 per unit), TSP Express software tool (embedded), Test Script Builder software (on CD), LabVIEW driverKeithley Power Supplies
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2425, Keithley

2425, Keithley

Keithley SourceMeter Series 2400 The Keithley SourceMeter Series 2400 offers the combination of low cost, tightly integrated sourcing and measurement, and wide dynamic range. This makes the Series 2400 models well suited for benchtop and system applications with low voltage requirements and with limited test hardware budgets. Principal applications include high brightness LED forward/reverse I-V and LIV (light-current-voltage) testing, solar cell efficiency test (source and sink current) and precision DC load characterisation - replacing readback supplies or supply/DMM combinations, which typically provide insufficient accuracy (IDDQ testing). Other applications include: active/passive component test, voltage/current/resistance measurements; battery operation validation for portable electronic devices; characterising implantable medical devices (e.g. pacemakers); characterising low-leakage electronic device/circuits (forward/reverse, transistor gain/leakage); calibrating 3- to 4-digit data acquisition boards, meters and DMMs. Class of instruments designed for high speed DC testing Wide dynamic range 4-quadrant operation 0.012% basic accuracy with 5-digit resolution 6-wire Ω measurement with programmable I source and V clamp Ohms range 200Ω 1700 readings/second at 4 digits via GPIB Built-in comparator for fast pass/fail testing Digital I/O for fast binning and connection to component handlers GPIB, RS-232 and Trigger Link interfaces Note All SourceMeter instruments provide 4-quadrant operation. In the 1st and 3rd quadrants, they operate as a source, delivering power to a load. In the 2nd and 4th quadrants, they operate as a sink - dissipating power internally. Voltage, current and resistance can be measured during source or sink operation. Supplied with Test leads and (downloadable) LabVIEW software driver, LabTrac...
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2601B-Pulse, Keithley

2601B-Pulse, Keithley

The Keithley instrument 10 μsec Pulsar or can be called as a source measure unit (SMU) instrument is a high current/high speed pulsar with measure and also the full functionality of a traditional SMU. It offers leading 10 A current pulse output at 10 V with a pulse width minimum of 10 μs. It has built-in dual 1 Mega sample/second (MS/s), 18-bit digitizers which obtains both pulse current and voltage waveforms simultaneously without using any separate instrument. For inductive loads up to 3 μH tuning is not necessary It has TSP (Test Script Processing) technology which embeds complete test programs inside the instrument Self-heating of the instrument is minimum also it minimizes the effect of burned probe tips
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2400, Keithley

2400, Keithley

Keithley SourceMeter Series 2400 The Keithley SourceMeter Series 2400 offers the combination of low cost, tightly integrated sourcing and measurement, and wide dynamic range. This makes the Series 2400 models well suited for benchtop and system applications with low voltage requirements and with limited test hardware budgets. Principal applications include high brightness LED forward/reverse I-V and LIV (light-current-voltage) testing, solar cell efficiency test (source and sink current) and precision DC load characterisation - replacing readback supplies or supply/DMM combinations, which typically provide insufficient accuracy (IDDQ testing). Other applications include: active/passive component test, voltage/current/resistance measurements; battery operation validation for portable electronic devices; characterising implantable medical devices (e.g. pacemakers); characterising low-leakage electronic device/circuits (forward/reverse, transistor gain/leakage); calibrating 3- to 4-digit data acquisition boards, meters and DMMs. Class of instruments designed for high speed DC testingWide dynamic range4-quadrant operation0.012sic accuracy with 5-digit resolution6-wire measurement with programmable I source and V clampOhms range 2001700 readings/second at 4 digits via GPIBBuilt-in comparator for fast pass/fail testingDigital I/O for fast binning and connection to component handlersGPIB, RS-232 and Trigger Link interfacesNote All SourceMeter instruments provide 4-quadrant operation. In the 1st and 3rd quadrants, they operate as a source, delivering power to a load. In the 2nd and 4th quadrants, they operate as a sink - dissipating power internally. Voltage, current and resistance can be measured during source or sink operation.Supplied with Test leads and (downloadable) LabVIEW software driver, LabTracer software, TestPoint software ...
New items
2461, Keithley

2461, Keithley

Keithley 2461 SourceMeter The Keithley 2461 High Current SourceMeter SMU creates precisely-controlled 10 A/100 V/1000 W high-current pulses which minimise power device thermal effects and maintain device integrity. Two built-in 1 MS/sec 18-bit digitisers make it possible to acquire both voltage and current waveforms simultaneously, without the need for an additional instrument. The 2461 all-in-one instrument can be used as a precision power supply with V and I readback, True current source, digital multimeter (DCV, DCI, ohms and power with 6-digit resolution), precision electronic load, pulse generator and trigger controller. The 2461 also has a fast 'contact check' feature which helps minimise measurement errors and false product failures associated with contact fatigue, probe tip contamination, loose or broken connections and relay failures. Like all Keithley graphical SMUs, the 2461 incorporates the Touch, Test, Invent user experience which minimises the learning curve and accelerates test setup. Features and Benefits Combines capabilities of analysers, curve tracers and I-V systems in single instrument Wide coverage up to 105 V / 7 A DC 100 W, 100 V / 10 A Pulse 1000 W maximum Dual 1 MS/s digitisers for fast sampling measurements 5 in, high resolution capacitive touchscreen GUI 0.012% DCV accuracy with 6-digit resolution Source and sink (4-quadrant) operation 4 'Quickset' modes for fast setup and measurements Context-sensitive help function Front panel input banana jacks, rear panel mass termination screw connections SCPI and Test Script Processor (TSP) programming modes Front-panel USB 2.0 memory I/O port for transferring data, test scripts, or test configurations Dimensions 106 x 255 x 425 mm (with handle & bumpers), 88 x 213 x 397 mm (without handle & bumpers) Weight 4.75 kg (with handle & bumpers), 4.35 kg (without handle & bumpers) Areas of Application Power se...
New items
2410, Keithley

2410, Keithley

Keithley SourceMeter Series 2400 The Keithley SourceMeter Series 2400 offers the combination of low cost, tightly integrated sourcing and measurement, and wide dynamic range. This makes the Series 2400 models well suited for benchtop and system applications with low voltage requirements and with limited test hardware budgets. Principal applications include high brightness LED forward/reverse I-V and LIV (light-current-voltage) testing, solar cell efficiency test (source and sink current) and precision DC load characterisation - replacing readback supplies or supply/DMM combinations, which typically provide insufficient accuracy (IDDQ testing). Other applications include: active/passive component test, voltage/current/resistance measurements; battery operation validation for portable electronic devices; characterising implantable medical devices (e.g. pacemakers); characterising low-leakage electronic device/circuits (forward/reverse, transistor gain/leakage); calibrating 3- to 4-digit data acquisition boards, meters and DMMs. Class of instruments designed for high speed DC testing Wide dynamic range 4-quadrant operation 0.012% basic accuracy with 5-digit resolution 6-wire Ω measurement with programmable I source and V clamp Ohms range 200Ω 1700 readings/second at 4 digits via GPIB Built-in comparator for fast pass/fail testing Digital I/O for fast binning and connection to component handlers GPIB, RS-232 and Trigger Link interfaces Note All SourceMeter instruments provide 4-quadrant operation. In the 1st and 3rd quadrants, they operate as a source, delivering power to a load. In the 2nd and 4th quadrants, they operate as a sink - dissipating power internally. Voltage, current and resistance can be measured during source or sink operation. Supplied with Test leads and (downloadable) LabVIEW software driver, LabTrac...
New items
2401, Keithley

2401, Keithley

Keithley SourceMeter Series 2400 The Keithley SourceMeter Series 2400 offers the combination of low cost, tightly integrated sourcing and measurement, and wide dynamic range. This makes the Series 2400 models well suited for benchtop and system applications with low voltage requirements and with limited test hardware budgets. Principal applications include high brightness LED forward/reverse I-V and LIV (light-current-voltage) testing, solar cell efficiency test (source and sink current) and precision DC load characterisation - replacing readback supplies or supply/DMM combinations, which typically provide insufficient accuracy (IDDQ testing). Other applications include: active/passive component test, voltage/current/resistance measurements; battery operation validation for portable electronic devices; characterising implantable medical devices (e.g. pacemakers); characterising low-leakage electronic device/circuits (forward/reverse, transistor gain/leakage); calibrating 3- to 4-digit data acquisition boards, meters and DMMs. Class of instruments designed for high speed DC testing Wide dynamic range 4-quadrant operation 0.012% basic accuracy with 5-digit resolution 6-wire Ω measurement with programmable I source and V clamp Ohms range 200Ω 1700 readings/second at 4 digits via GPIB Built-in comparator for fast pass/fail testing Digital I/O for fast binning and connection to component handlers GPIB, RS-232 and Trigger Link interfaces Note All SourceMeter instruments provide 4-quadrant operation. In the 1st and 3rd quadrants, they operate as a source, delivering power to a load. In the 2nd and 4th quadrants, they operate as a sink - dissipating power internally. Voltage, current and resistance can be measured during source or sink operation. Supplied with Test leads and (downloadable) LabVIEW software driver, LabTrac...
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Source Meters and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Source Meters or any other product.
This depends on the Source Meters individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Source Meters and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Source Meters.
Yes. We keep updating our stock frequently and if a product like Source Meters is not in stock then we will let you know.