The Tonghui TH2690 is a precise electrometer with 6.5-digit resolution, 0.1 fA current resolution, 100 PΩ insulation resistance and ±1000 V voltage source.
€4,600.00*
Volume discounts on request!
Delivery time: 1-2 weeks
Further information
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Product number: TH2691
Description
The Tonghui TH2690 series combines femtometer, picoammeter, electrometer and high-resistance meter in one modular measuring device with 5″ capacitive touch LCD, integrated DC voltage source (±1000 V), voltmeter, ammeter, electrometer, insulation resistance measurement, temperature & humidity sensor as well as graphical display, pass/fail comparator and SCPI remote control via RS232, USB, GPIB or LAN.Features
- 5″ capacitive touch screen & 6½-digit resolution
- Four measurement modes: high resistance, voltmeter, ammeter, electrometer
- Integrated voltage source ±1000 V (1 mV resolution)
- Current range 2 pA - 20 mA (resolution 0.01 fA), internal voltage drops < 20 µV
- Measuring resistance up to 1000 PΩ, input impedance > 200 TΩ
- Charge measurement up to 2 nC, time domain display, data recording
Applications
- Materials science: ceramics, films, polymers, graphene, nanomaterials
- Electronic components: sensors, diodes, TFT/CNT, solar cells
- Systems: Ion/electron beam testing, particle measurement, embedded systems
Technical Data
| Model |  TH2690 | TH2690A | TH2690H | TH2691 | TH2691A | TH2691H |
|---|---|---|---|---|---|---|
| Resolution | 6.5 digits | 6.5 digits | 6.5 digits | 6.5 digits | 6.5 positions | 6.5 digits |
| Current resolution | 0.1 fA | 0.01 pA | 0.01 fA | 0.1 fA | 0.01 pA | 0.01 fA |
| Insulation resistance | 100 PΩ | 1 PΩ | 1000 PΩ | - | - | - |
| Charge measurement | 1 fC-2 μC | - | 1 fC-2 μC | - | - | - |
| Temperature & humidity measurement | Yes | - | Yes | - | - | - |
| Voltage source | ±1000 V | - | - | - | - | - |
| Voltage resolution | 1 μV | - | - | - | - | - |