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RAIS100 is a rudder angle indicator system used to measure and display the rudder angle of the vessel. It is a transmitter and indicator that helps in monitoring the position of the rudder. The system meets ISO 20673:2007 technical specifications and powers up to eight indicators with one transmitter. The system is flexible and contains three dimmer types which are universal to any of the indicators, being able to give flexibility in usage. The product is appropriate for measuring rudder movement accurately, giving a reliable solution for control and navigation of ships.
| Parameter | Specification |
| System Name | Rudder Angle Indicator System RAIS100 Series |
| Manufacturer | TOKYO KEIKI INC. (Japan) |
| Standard Compliance | ISO 20673:2007, IEC 60945, IMO Res. A.1021 |
| Indicator Capacity | Up to 8 indicator units per single transmitter |
| Standard Scale Ranges | $\pm 40^\circ$, $\pm 50^\circ$, or $\pm 80^\circ$ |
| Indication Accuracy | Within $\pm 0.5^\circ$ of actual rudder position |
| Illumination | Continuously dimmable LED backlighting (Day/Night modes) |
| Parameter | Specification |
| Main Power Supply | AC 100V / 110V / 200V / 220V $\pm 10\%$, 1-phase, 50/60 Hz |
| Emergency Power | DC 24V (+30%, -10%) automatic failover |
| Power Consumption | Approx. 30 VA to 80 VA (dependent on indicator count & dimmer units) |
| Signal Output Interface | 2 $\times$ IEC 61162-1 (RS-422) $RSA NMEA sentences for VDR logging |
| Component | Model Code | Protection Rating | Temperature Range |
| Rudder Angle Transmitter | MRT115 |
IP44 | $-25^\circ\text{C}$ to $+55^\circ\text{C}$ |
| 3-Face Ceiling Indicator | MRR117 |
IP2X | $-15^\circ\text{C}$ to $+55^\circ\text{C}$ |
| Bridge Wing Indicator | MRR118 |
IP56 | $-25^\circ\text{C}$ to $+55^\circ\text{C}$ |
| Console Flush Indicator | MRR119 (FL200) |
IP5X | $-15^\circ\text{C}$ to $+55^\circ\text{C}$ |
| Panel Indicator | MRR120 (FL130) |
IP54 | $-15^\circ\text{C}$ to $+55^\circ\text{C}$ |
| Dimmer Controller | MRD010 / MRD011 |
IP56 / IP4X | $-15^\circ\text{C}$ to $+55^\circ\text{C}$ |
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