SOLAS requirements for totally enclosed lifeboats
By marinesafety
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Clinometer primary function is as a navigation and safety instrument, it helps optimize fuel efficiency through proper trim adjustment, and assists in loading cargo correctly.
Marine clinometers, also commonly named marine inclinometers, are essential ship‑board navigational safety instrument to visually measure and display a vessel’s heel (transverse roll angle) and pitch (longitudinal trim angle) in real‑time, supporting crew to monitor ship stability and prevent dangerous rolling conditions at sea.
Installed in ship’s bridge, engine control room, centerline of dock.
| Model | QBM-55 | QD-50 | GL198-CL |
| Type | Pendulum | Dial | Dial |
| Material | Bakelite | Brass with Alu. Alloy | Brass with Alu. Alloy |
| Indication Range | ±55° | ±50° | ±50° |
| Indication Error | ≤±0.5° | ≤±1.5° | ≤±1.5° |
| Sensitivity | ≤0.4° | ≤0.5° | ≤0.5° |
| Scale Division | 1° | 1° | 1° |
| Size | 370×240 mm | 150(Dia)×65(T) mm | 125(Dia)×45(T) mm |
| Weight | 0.9 Kgs | 1.1 Kgs | 0.6 Kgs |
| Certificate | CCS | CCS | Calibration |





