Product No: TEM-420-200
The TEM-420-200 Transverse Electromagnetic Mode (TEM) is a professional electromagnetic compatibility (EMC) testing device compliant with IEC 61000-4-20, EN 61000-4-20, ISO 11452-3, IEEE 1309, and GB/T 17626.20. It is specifically designed for E-field/H-field probe calibration, radiated immunity testing of electronic products, and radiated disturbance testing. It is widely applicable to EMC performance testing in various fields such as home appliances, IT products, industrial equipment, and medical devices, and is one of the core pieces of equipment for laboratory construction, product R&D rectification, and compliance certification.
Specifications:
| Parameters | Specifications | Remarks |
| Operating Frequency Range | DC~420MHz(Optional:DC~550MHz) | Wideband coverage testing requirements |
| Rated Calibration Field Strength | 200V/m | Calibrate the peak emission standard |
| Nominal Impedance | 50±2Ω | Compliant with general transmission line impedance standards |
| Voltage Standing Wave Ratio | Typical Value<1.8 | Signal transmission stability guarantee |
| Maximum Input Power | 1000W | High power handling capacity |
| Maximum Core Board Height | 200mm | Optimize internal field strength distribution |
| Maximum Specimen Size | 120*120*120mm | Compatible with most small and medium-sized electronic devices |
| Maximum Doorway Size | 150*160mm | Convenient sample loading and unloading |
| External Dimensions (L*W*H) | 420*850*430mm | Compact design saves laboratory space |
| RF Interface Type | N Type | Universal interface, compatible with standard test cables |
| Equipment Weight | Around 10kg | Portable and easy to deploy |
| EMI Test Purpose | Radiated interference testing environment | Compatible with CISPR25 and other standards |
| EMS Test Purpose | Radiated electromagnetic field testing environment | Compatible with ISO 11452-3 and other standards |
System Structure:

1 Outer conductor (shielding)
2 Core board (inner conductor)
3 Channel door
4 Connector faceplate (optional)
5 Coaxial connector
6 Insulating support (relative permittivity εr≤1.4)
7 Test specimen
8 Input/output leads