hanla@raycontrol.com

 

VESSEL :   CARGO TANK  RADAR SYSTEM

PORT : SEMBCORP

JOBNO :20151045

EQUIPMENT : CARGO TANK  RADAR SYSTEM EM540

DATE : 22.12.2015

MAKE : HANLA | ENRAF | HONEYWELL

MODEL : EM540 RADAR

EM540

EM540 radar integrates temperature, pressure and ballast data in a compliant, robust and compact system. With its non-contact measurement, it ensures reliable cargo tank gauging.=

RADAR

ITEM

DESCRIPTION / REMARKS :  SERVICE AND CALIBRATION

1

JOB DESCRIPTION:-

 

  1. Health check and calibration of 17 no’s cargo tank radar.

 

EM540 RADAR

 

Pre-Inspection:

 

Find below defective from free inspection

  1. Center 5 no’s of  COT Tank Ullage error.
  2. SLP S  Temperature all the time Zero reading.
  3. 2S and 3S  Pressure value erratic.
  4. 2S Over fill Alarm activated all the times.

 

 

 

 

 

 

 

2

IG PRESSURE SENSOR:  T901 Temperature and Pressure Transmitters

 

Dismantled 3S IG Sensor in question.

Found Sensor diapharm was contaminated by oil and rust. Connection flange corroded.

Dismantled all IG sensors, ship crew assisted in cleaning.

 

T901 Temperature and Pressure Transmitters

 

CALIBRATION AND TEST

 

All the IG sensors reassembled,  calibrated 800~2000 mBar and tested satisfactory.

 

test

 

 

 

 

 

 

 

4

COT LEVEL RADAR:

 

All the 17 no’s level radar recalibrated as per Ullage table.

Signal wave length adjusted as per empty tank spectrum by using COM3840 Software.

 

em540

 

SLOP S Temperature problem was resolved by resetting LMS Program.

Finally system working in order.

 

em540

 

 

 

 

 

 

5

OVERFILL ALARM:-

 

Inspected COT Tank Overfill alarm,2S activated position even tank is empty.

 

em540

 

Dismantled alarm sensor and found Sensor probe was damaged.

Supplied and renewed sensor probe,calibrated and tested satisfactory.

 

em540

 

All other Overfill alarm were checked and tested one by one to satisfaction of C/O.

 

em540

 

 

 

 

 

 

 

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