Measurements

Soundings; Ullages; Draught Marks

Purpose

Ship Safety

Equipment monitoring

Engine performance monitoring

Cargo monitoring

Ship Safety

Battery Levels for Ships Radio & GMDSS

Unmanned Machinery Space monitoring

Trim and List indicators

Draught Surveys

Equipment Monitoring

UMS equipment on Bridge

Machinery Rounds

Comparing actual readings with UMS readings

Be diligent and conscientious – record units alongside every figure

Cargo Monitoring

Draught survey

Soundings

Ullage measurements

Inert gas supply

Reading Level Guages

Beware of Parallax Error

Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.

Pressure Measurements

Bourdon Tube Pressure Gauge

Manometer

Temperature Gauges

Thermometersa. Mercuryb. Alcohol solutionc. Bi-metallicd. Burdon tube

Level Measurements

Soundings

Ullages

Sight Glasses

Dipsticks

Sounding

Ullage

Draft Marks

Forward – Painted on both sides of the Stem

Aft – Painted on both sides in line with the Rudder Stock

Amidships – On both sides near the Loadline markings

Load Lines & Draught Marks

W

TF

F

S

T

WNA

All lines are 25mm in thickness

Deck line

300mm

450mm

540mm

230mm 230mm

2

9 M 8

6 8

4 WL 6

11M

Fwd Aft

2

9 M 8

6 8

4 WL 6

10M

Fwd Aft

8

6

4 WL

11M 2

9 M

8

6

FwdAft

http://www.youtube.com/watch?v=eeLL1kt2KiU

http://www.youtube.com/watch?v=s0QgeIrSuBs

d s

d l

d p60%

Level trim

Level trim

Service tr imM ean draught d l

100%

Draught and Trim

Flow MeasurementWorks on Rate over a time period

DensityUsed for the calculation of Dock Water Allowance &Density of liquid cargos