Tonghui TH2690 Series Electrometer High Resistance Meter with 0.01fA Resolution 3000PΩ Range and 6.5-Digit Measurement

The Tonghui TH2690 Series is a precision 6.5-digit electrometer and high resistance meter designed for advanced material science, semiconductor characterization, and electronic component testing. With an industry-leading current resolution of 0.01fA and insulation resistance measurement capability up to 3000PΩ, the TH2690 Series delivers unmatched sensitivity for ultra-low current and ultra-high resistance measurements.

• 6.5-Digit Measurement Resolution: High precision readings for demanding laboratory and production environments
• 0.01fA Current Resolution: Enables detection of extremely low currents, ideal for nanomaterial and semiconductor research
• Up to 3000PΩ Resistance Range: Measure ultra-high resistance values with confidence (TH2695 model)
• Built-in ±3000V Voltage Source: Programmable voltage source with 700μV resolution for I-V characterization
• 4-in-1 Measurement Modes: High resistance meter, voltmeter, ammeter, and electrometer functions in a single instrument
• 5.0-inch Capacitive Touch Screen: Intuitive user interface with time domain view for capturing transient signal effects
• Input Impedance >200TΩ: Ensures minimal circuit loading for accurate measurements
• Temperature and Humidity Measurement: Integrated environmental monitoring with optional TH2690_THS sensor
• Charge Measurement: Down to 1fC with 2μC full scale range
• Multiple Connectivity Options: USB standard, RS232 and GPIB available for automated test setups

The TH2690 Series is widely used in material science (biomaterials, ceramics, dielectrics, graphene, polymers, semiconductors), electronic component testing (capacitors, resistors, diodes, sensors, solar cells), and precision instrumentation (ion beam, electron beam, sensor systems, particle measurement).

• Connection cable (TH26058D)
• Φ4 anti-electric lantern plug cable (TH26058G)
• Φ4 alligator clip (TH26058F)
• Triaxial open circuit cap (TH26058H)
• Short-circuit cable (TH26058C)
• USB connection cable (TH26017)
• Temperature and humidity sensor (TH2690_THS)