Sophisticated radar antenna systems and microwave sensors
CHL radar antenna systems
meet your requirements
meet your requirements
Turning unit ST3
| Type | ST3 |
| Suitable for antenna types | Single & dual radar antenna systems (back-to-back), Ku45 |
| Rotational speed | 16, 19, 29, 60 rpm (4-pole motor, 50 Hz mains) [figures x 1.2 for 60 Hz mains] |
| Motor type | 3-phase, squirrel cage, 4-pole |
| Motor supply | 400/690 VAC |
| Motor power | 1.5, 2.2, 3, 4 kW |
| Lubrication | Synthetic oil and grease |
| Environmental temperature range | -25 to +55°C |
| Sound pressure level | < 70 dBA (at 20 rpm) |
| Weight including oil | 680 kg excl. support / 1012 kg incl. support |
| Dimensions | Ø 1050 x 1823 mm (including support) |
Standard features
- Weight loading 1000 kg max.
- Gearbox heating
- Thermostat for gearbox heating
- One-channel rotary joint for X-band with through-going shaft
- Single channel rotary shaft encoder with 4096 azimuth count pulses
- Electric motor 4-pole 400/690 VAC 50Hz, with three PTC thermistors
- maintenance interval 2.5 years
- Overhaul interval 5 years
Available options
- Support for platform mounting of the antenna turning unit
- Pedestal for platform mounting of the antenna turning unit
- Support mounting kit for corrosion free mounting of the support/pedestal
- Lightning protection
- Extended low temperature range (for operation down to -40ºC ambient temperature)
- Oil level sensor
- Shaft encoder adjustment ring for course and fine mechanical adjustment of the bearing output
- Slip ring unit (up to five rings), e.g. for antenna polarization control
- Anti-vibration ring
- NEMA motor
- Antenna tilting device
- Frequency inverter with integrated soft starter for speed control and smooth starting and stopping
- Single channel rotary encoder with 8192 azimuth count pulses
- Dual rotary encoder assembly (tandem encoder; 2 x 4096 or 2 x 8192 azimuth count pulses)
- Single channel, directly coupled magnetic hollow shaft encoder (4096 azimuth count pulses), facilitating the mounting of different types of multi-channel (coaxial) rotary joints
- Dual channel, directly coupled magnetic hollow shaft encoder (4096 azimuth count pulses), facilitating the mounting of different types of multi-channel (coaxial) rotary joints
