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The NSR NRT-1000 is a radar-based Search and Rescue Transponder designed for use in lifeboats and liferafts. When it receives a signal from a nearby 9 GHz marine radar, it transmits a response that appears as a series of 12 dots on the radar display, helping rescuers determine the survival craft’s position and bearing.
| Specification | Details |
|---|---|
| Make | NSR (New Sunrise Co., Ltd.) |
| Model | NRT-1000 |
| Product Name | SART (Search and Rescue Radar Transponder) |
| Equipment Type | Marine Radar Transponder |
| Application | Search and rescue operations for lifeboats and liferafts |
| Origin Country | China |
| Operating Frequency | 9.2–9.5 GHz |
| Transmitter Frequency | 9.2–9.5 GHz |
| Polarization | Horizontal |
| Radiated Power | 400 mW EIRP |
| Receiver Sensitivity | Better than −50 dBm |
| Radar Compatibility | 9 GHz marine radar |
| Radar Display Response | Series of 12 dots |
| Battery Model | NBT100 |
| Battery Voltage | DC 9 V |
| Battery Storage Life | Maximum 5 years onboard, plus 1 year shelf storage |
| Operating Duration | At least 96 hours standby + 8 hours continuous transmission under specified test conditions |
| Operating Temperature | −20°C to +55°C |
| Storage Temperature | −40°C to +70°C |
| Waterproofing | 10 m depth for at least 5 minutes |
| Protection Rating | IP67 |
| Floating Type | Floatable |
| Dimensions | Ø95 × 377 mm |
| Weight | Approximately 750 g |
| Mounting | Mounting bracket with 1.5 m telescopic pole |
| Type Approval | CCS |
| Applicable Standards | IMO A.802(19), IMO MSC.510(105), IEC 61097-1 |
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