TH1991/TH1992 series precision source/measure units can output and measure voltage and current at the same time. The instrument integrates the functions of current source, voltage source, voltmeter and ammeter, and each function can be switched arbitrarily.

TH1991/TH1992 series precision source/measure units can output up to ±210V DC voltage, ±3A DC current and ±10.5A pulse current, minimum 10fA/100nV power supply and measurement resolution, support high-speed sampling, and can generate arbitrary
waveforms.

TH1991/TH1992 series precision source/measure unit series adopts 7-inch capacitive touch screen, with Linux operating system as the bottom layer, interactive graphical user interface and various display modes, and built-in diodes, triodes, MOS tubes and IGBTs and other devices. The I/V curve scanning function can complete the IV function test without connecting to the host computer, which can significantly improve the test efficiency.

The TH1991/TH1992 series of precision source/measure units with comprehensive and integrated power and measurement functions are ideal for testing semiconductors, active/passive devices, and a variety of other devices and materials.

The TH1991/TH1992 series of precision source/measure units are widely used in R&D and educational applications, industrial development, testing and manufacturing

Performance Characteristics

• 7-inch capacitive touch screen, resolution 800×480
• Linux operating system
• Four-quadrant precision power output and measurement
• Single/dual channel output and measurement
• Up to ±210V DC voltage, ±3A DC current/±10.5A pulse
• 10fA/100nV minimum measurement resolution (6 1/2 digits)
• 10fA/100nV minimum supply resolution (6 1/2 digits)
• Up to 1,000,000 dots/sec sampling rate
• Arbitrary waveform generation
• List scan function (minimum 1μs interval)
• Direct generation of I/V curves of diodes, triodes, MOS tubes and IGBTs

Features

• 10fA current output and measurement resolution; 100nV voltage output and component resolution
• ±210V maximum voltage output; ±3.03A (DC)/±10.5A (pulse) maximum current output.
• Support DC, pulse, sweep and list output
• Minimum sampling interval 1μs
• Built-in I/V curve sweep function, time-domain waveform scrolling display function
• The pulse width of the pulse output can be as small as 50μs
• Both two-wire measurement / four-wire measurement
• The output filter time constant (or cutoff frequency) can be freely set to achieve any frequency response output
• 14-level sorting function, including Grading and Sorting modes
• Math operation function, moving average filter function, deviation subtraction function
• Semiconductor parameter analysis function to quickly generate characteristic curves of commonly used devices
• Four basic modes of voltage source, current source, voltmeter, ammeter or resistance meter
• Delta low resistance test method, which can effectively compensate the measurement error caused by thermal electromotive force

Application

• Semiconductor, discrete and passive component testing
  • Diodes, Laser Diodes, LEDs
  • Photodetectors, Sensors
  • Field eff ect transistor, triode
  • ICs (ICs, RFICs, MMICs)
  • Resistors, rheostats, thermistors, switches
• Precision electronics and green energy device testing
  • PV
  • Power semiconductor
  • Battery
  • Car
  • Medical instrument
  • Power and DC Bias Sources for Board Level Testing
• Research and Education
  • New material research
  • Nanodevice properties
  • Giant magnetoresistance
  • Organic equipment
  • Any precision I/V source or measure