With a high-speed testing capability of up to 1000 readings per second and the ability to measure low-frequency AC signals down to 3Hz, this multimeter is built for performance. It also offers internal storage for up to 10,000 data points, allowing for extensive data logging and analysis.

Key Specifications:

• Display: 5½-digit resolution (up to 119,999 counts) on a 4.3-inch color LCD.
• Measurement Functions: Accurately measures DC/AC Voltage, DC/AC Current, Resistance, Capacitance, Frequency, Diode, and Temperature.
• DC Current Ranges: 100µA, 1mA, 10mA, 100mA, 1A, 3A, and 10A.
• DC Resistance: Measures up to 100MΩ.
• Capacitance: Measures from 1nF up to 10mF.
• Temperature: High-accuracy temperature measurements using PT100 or 5kΩ thermistor probes.
• Interfaces: Equipped with standard USB, RS232, and LAN interfaces for easy connectivity and remote control.

Key Features:

• High-Resolution Display: A 4.3-inch color LCD provides clear readings and supports various display modes, including histogram, bar graph, and trend chart.
• Precise Measurements: Delivers 6½-digit resolution for accurate measurements of DC/AC voltage, DC/AC current, resistance, capacitance, frequency, and temperature.
• True RMS Measurement: Supports True RMS measurement for both AC voltage and current, with the capability to test low-frequency AC signals down to 3Hz.
• High-Speed Testing: Achieves a measurement speed of up to 1000 times per second, significantly improving testing efficiency.
• Versatile Interfaces: Comes standard with USB, RS232, and LAN interfaces. A GPIB interface is also available as an option for convenient data transfer and remote control.
• Data Storage: Features an internal memory capable of storing up to 10,000 readings.
• Additional Functions: Includes a capacitance test function and a diode test voltage of up to 5V.

Key Features

• Multi-channel measurement: Optional 3 or 4 channels (TH3421/TH3422) with single‑phase and three‑phase wiring modes .
• Wide measurement range:
  • Voltage: 5 V–600 V
  • Current: 10 μA–20 A
  • Power: 5 mW–12 kW .
• Superior accuracy: Basic measurement accuracy of 0.15% reading + 0.2% range + 1 digit .
• Harmonic analysis: Can display harmonic content via list, bar graph, waveform, and vector display .
• High-resolution touchscreen: 7″ TFT resistive touch panel (800×480 or 800×600), mouse support, screenshot capture .
• Flexible energy logging: Continuous or manual integration, USB file storage compatible with most flash drives .
• Programmable relay output: Up to 8 comparison channels, configurable output for thresholds .
• Robust connectivity: RS‑232C/RS‑485, USB host/device, LAN, handler interface, Wi-Fi with external network card .
• Embedded & synchronized control: Uses PLL for frequency‑synchronized sampling, supports both AC/DC testing .
• Broad frequency support: Handles fundamental frequencies from DC or 45 Hz up to 420 Hz (21 kHz bandwidth, 5 kHz filter) .

Key Features

• Multi-channel measurement: Optional 3 or 4 channels (TH3421/TH3422) with single‑phase and three‑phase wiring modes .
• Wide measurement range:
  • Voltage: 5 V–600 V
  • Current: 10 μA–20 A
  • Power: 5 mW–12 kW .
• Superior accuracy: Basic measurement accuracy of 0.15% reading + 0.2% range + 1 digit .
• Harmonic analysis: Can display harmonic content via list, bar graph, waveform, and vector display .
• High-resolution touchscreen: 7″ TFT resistive touch panel (800×480 or 800×600), mouse support, screenshot capture .
• Flexible energy logging: Continuous or manual integration, USB file storage compatible with most flash drives .
• Programmable relay output: Up to 8 comparison channels, configurable output for thresholds .
• Robust connectivity: RS‑232C/RS‑485, USB host/device, LAN, handler interface, Wi-Fi with external network card .
• Embedded & synchronized control: Uses PLL for frequency‑synchronized sampling, supports both AC/DC testing .
• Broad frequency support: Handles fundamental frequencies from DC or 45 Hz up to 420 Hz (21 kHz bandwidth, 5 kHz filter) .

Key Features

• Advanced Measurement Technology: Accurately tests both AC and DC power with a wide frequency response and a fast data update rate for capturing dynamic power behavior.
• Rich Display & Analysis: The large color screen offers multiple display modes, including a traditional four-window view and a full-screen parameter display. It can simultaneously show voltage and current waveforms for detailed analysis.
• Harmonic Measurement: Provides multiple display modes for harmonic analysis, including lists and histograms, to easily identify and troubleshoot power quality issues (not available on TH3311).
• High Precision: Delivers a high accuracy of 0.15% across a wide measurement range, ensuring reliable and repeatable results for demanding applications.
• Broad Applications: Perfectly suited for power efficiency testing of home appliances (TVs, air conditioners), industrial products (motors, chargers), lighting (LEDs), and new energy systems (photovoltaics, electric vehicles).

Key Features

• Advanced Measurement Technology: Accurately tests both AC and DC power with a wide frequency response and a fast data update rate for capturing dynamic power behavior.
• Rich Display & Analysis: The large color screen offers multiple display modes, including a traditional four-window view and a full-screen parameter display. It can simultaneously show voltage and current waveforms for detailed analysis.
• Harmonic Measurement: Provides multiple display modes for harmonic analysis, including lists and histograms, to easily identify and troubleshoot power quality issues (not available on TH3311).
• High Precision: Delivers a high accuracy of 0.15% across a wide measurement range, ensuring reliable and repeatable results for demanding applications.
• Broad Applications: Perfectly suited for power efficiency testing of home appliances (TVs, air conditioners), industrial products (motors, chargers), lighting (LEDs), and new energy systems (photovoltaics, electric vehicles).

Key Features

• Advanced Measurement Technology: Accurately tests both AC and DC power with a wide frequency response and a fast data update rate for capturing dynamic power behavior.
• Rich Display & Analysis: The large color screen offers multiple display modes, including a traditional four-window view and a full-screen parameter display. It can simultaneously show voltage and current waveforms for detailed analysis.
• Harmonic Measurement: Provides multiple display modes for harmonic analysis, including lists and histograms, to easily identify and troubleshoot power quality issues (not available on TH3311).
• High Precision: Delivers a high accuracy of 0.15% across a wide measurement range, ensuring reliable and repeatable results for demanding applications.
• Broad Applications: Perfectly suited for power efficiency testing of home appliances (TVs, air conditioners), industrial products (motors, chargers), lighting (LEDs), and new energy systems (photovoltaics, electric vehicles).

Key Features

• Advanced Measurement Technology: Accurately tests both AC and DC power with a wide frequency response and a fast data update rate for capturing dynamic power behavior.
• Rich Display & Analysis: The large color screen offers multiple display modes, including a traditional four-window view and a full-screen parameter display. It can simultaneously show voltage and current waveforms for detailed analysis.
• Harmonic Measurement: Provides multiple display modes for harmonic analysis, including lists and histograms, to easily identify and troubleshoot power quality issues (not available on TH3311).
• High Precision: Delivers a high accuracy of 0.15% across a wide measurement range, ensuring reliable and repeatable results for demanding applications.
• Broad Applications: Perfectly suited for power efficiency testing of home appliances (TVs, air conditioners), industrial products (motors, chargers), lighting (LEDs), and new energy systems (photovoltaics, electric vehicles).

Key Features

• Multi-Channel Flexibility: Available in 1, 3, or 4-channel configurations to simultaneously measure and analyze multiple points in a system.
• Broadband Performance: A wide frequency measurement range of DC and 0.1Hz – 100kHz makes it suitable for a vast range of power systems and devices.
• High-Resolution Touch Display: The 7-inch color TFT touch screen, combined with an embedded operating system, offers a user-friendly interface for setup, control, and data visualization.
• Advanced Analysis Functions: Includes powerful features like harmonic analysis, waveform and vector displays, and flexible energy integration control.
• Comprehensive Connectivity: Equipped with a full suite of interfaces including USB HOST, USB DEVICE, LAN, and RS232/RS485 for easy data storage and remote control.

Key Features

• Multi-Channel Flexibility: Available in 1, 3, or 4-channel configurations to simultaneously measure and analyze multiple points in a system.
• Broadband Performance: A wide frequency measurement range of DC and 0.1Hz – 100kHz makes it suitable for a vast range of power systems and devices.
• High-Resolution Touch Display: The 7-inch color TFT touch screen, combined with an embedded operating system, offers a user-friendly interface for setup, control, and data visualization.
• Advanced Analysis Functions: Includes powerful features like harmonic analysis, waveform and vector displays, and flexible energy integration control.
• Comprehensive Connectivity: Equipped with a full suite of interfaces including USB HOST, USB DEVICE, LAN, and RS232/RS485 for easy data storage and remote control.