Shenzhen Meigaolan Electronic Instrument Co. Ltd
| Current Resolution | 0.01fA (0.01 × 10^-15 A) |
| Measurement Resolution | 6.5 Digits |
| Current Measurement Range | 0.01fA - 20mA |
| Display | 5.0-inch Capacitive Touch Screen |
| Charge Measurement | 1fC - 2μC |
| Connectivity | USB, RS232, GPIB (Optional) |
| Supply Ability | |
| Built-in Voltage Source | ±3000V, 700μV Resolution |
| Delivery Time | 7-15 working days |
| Input Impedance | >200TΩ |
| Voltage Measurement | Up to 20V |
| Temperature and Humidity | Yes (with TH2690_THS Sensor) |
| Insulation Resistance Range | Up to 3000PΩ (TH2695) |
| Payment Terms | T/T |
| Packaging Details | Standard export packaging with shock-proof foam, reinforced carton box |
| Measurement Modes | High Resistance Meter, Voltmeter, Ammeter, Electrometer |
| Place of Origin | Jiangsu, China |
| Certification | CE, ISO 9001:2015 |
| Model Number | TH2690 |
| Brand Name | Tonghui |
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Product Specification
| Current Resolution | 0.01fA (0.01 × 10^-15 A) | Measurement Resolution | 6.5 Digits |
| Current Measurement Range | 0.01fA - 20mA | Display | 5.0-inch Capacitive Touch Screen |
| Charge Measurement | 1fC - 2μC | Connectivity | USB, RS232, GPIB (Optional) |
| Supply Ability | Built-in Voltage Source | ±3000V, 700μV Resolution | |
| Delivery Time | 7-15 working days | Input Impedance | >200TΩ |
| Voltage Measurement | Up to 20V | Temperature and Humidity | Yes (with TH2690_THS Sensor) |
| Insulation Resistance Range | Up to 3000PΩ (TH2695) | Payment Terms | T/T |
| Packaging Details | Standard export packaging with shock-proof foam, reinforced carton box | Measurement Modes | High Resistance Meter, Voltmeter, Ammeter, Electrometer |
| Place of Origin | Jiangsu, China | Certification | CE, ISO 9001:2015 |
| Model Number | TH2690 | Brand Name | Tonghui |
| High Light | 0.01fA Current Resolution 3000PΩ Range ，Built-in ±3000V Voltage Source 700μV ，6.5-Digit 4-in-1 Measurement Modes | ||
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.
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).
| Model | Current Resolution | Insulation Resistance | Voltage Source |
|---|---|---|---|
| TH2690 | 0.1fA | 100PΩ | - |
| TH2690A | 0.01pA | 1PΩ | - |
| TH2690H | 0.01fA | 1000PΩ | ±1000V |
| TH2691 | 0.1fA | - | - |
| TH2691A | 0.01pA | - | - |
| TH2691H | 0.01fA | - | - |
| TH2695 | 0.01fA | 3000PΩ | ±3000V |
| TH2695A | 0.01fA | 1500PΩ | ±1500V |
Company Details
Business Type:
Distributor/Wholesaler
Year Established:
2003
Total Annual:
500000-1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Meigaolan is a test and measurement solutions and production suppliers, founded in 2003 and located in Shenzhen,China. Our highly skilled Sale Representatives can assist you with all of your new and refurbished test equipment needs, providing EMC test solutions and building your Anechoic ... Meigaolan is a test and measurement solutions and production suppliers, founded in 2003 and located in Shenzhen,China. Our highly skilled Sale Representatives can assist you with all of your new and refurbished test equipment needs, providing EMC test solutions and building your Anechoic ...
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