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The Navitron NT1750 EPR is an electronic Pitch and Roll Inclinometer designed for marine vessels. It provides real-time and historical graphical information on vessel heel, pitch, roll angle and roll period, helping bridge personnel monitor vessel stability and identify potentially hazardous conditions such as excessive heel and parametric roll. The system can provide serial data to VDR and BAMS systems and includes adjustable heel-limit alarms with visual and audible indication.
The NT1750 EPR also incorporates an Escort Tug Mode with operator-adjustable Green (Safe), Amber (Action Required), and Red (Danger) heel-angle zones for tug escort and towing operations. The system operates from 24 V DC main and backup supplies and supports up to four display heads, with a 7-inch IPS display and remote dimming.
| Parameter | Technical Specification |
|---|---|
| Manufacturer / Make | Navitron Systems Ltd. |
| Model | NT1750 EPR |
| Equipment Type | Electronic Pitch & Roll Inclinometer |
| Application | Marine vessel heel, pitch and roll monitoring |
| Measuring Range – Heel | ±180° |
| Measuring Range – Pitch | ±90° |
| Analog Heel Display Range | ±45° |
| Digital Display Resolution – Angle | 0.01° |
| Digital Display Resolution – Time | 0.1 s |
| Roll Period Display Range | 4–40 s |
| Angular Accuracy | ±5% or ±1° |
| Time Accuracy | ±5% or ±1 s |
| Display | 7-inch IPS |
| Display Viewing Angle | 80° |
| Historical Data | 3-minute and 30-minute Pitch/Roll history |
| Heel Monitoring | Real-time heel angle, roll amplitude and roll period |
| Alarm | Visual and audible heel-limit alarm |
| Alarm Adjustment | Operator adjustable |
| Escort Tug Mode | Yes |
| Escort Tug Zones | Green – Safe; Amber – Action Required; Red – Danger |
| Tug Warning Limit | Adjustable ±5° to ±30° |
| Tug Alarm Zone | Adjustable up to ±40° |
| Power Supply | 24 V DC Main + 24 V DC Backup |
| Display Configuration | Single or multi-head |
| Maximum Control Heads | Up to 4 |
| VDR Interface | Yes |
| BAMS Interface | Yes |
| Serial Data Interface | IEC 61162 |
| Remote Alarm | Volt-free contacts |
| Remote Dimming | Yes |
| Sensor Type | NT1000 ISU Pitch & Roll Sensor Unit |
| Sensor | Sealed, factory-calibrated |
| Sensor Cable | 3 m |
| Mounting | Foot bracket or panel mounting |
| Display Format | Standard / Reverse selectable |
| Alarm Cancellation | Manual / Automatic selectable |
| Approval | MED Type Approved |
| Standard | ISO 19697:2016 |
| IMO Compliance | Compliant with applicable IMO recommendations |
| Vessel Application | SOLAS vessels |
| Escort Tug Compliance | BV NR467, Part E – Service Notations for Offshore Service Vessels and Tugs |
| Main Components | Control Unit, Distribution Unit, Sensor Unit |
| Application | SOLAS vessels, escort tugs, towing and general marine operations |
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