Polatrak Deep C Meter 300 AD Operation Manual

Rov-mounted cp probe

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Deep C Meter 300 AD™
ROV-mounted CP probe
Operation manual
ROV-interfaced
cathodic protection
monitoring system
Deepwater Corrosion Services Inc.
©
2015 Deepwater Corrosion Services Inc. Specifications subject to change without notice
Can output both
contact and EFG
probe readings
|
13813 FM 529 Rd, Houston, TX 77041 USA +1 (713) 983 7117
Digital output
No batteries;
RS232 standard
ROV 24V DC
ASCII string
powered
|
Email: sales@stoprust.com
Corrosion testing probes
|
polatrak.com
SMB-001 Deep C Meter 300 AD Manual

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Summary of Contents for Polatrak Deep C Meter 300 AD

  • Page 1 ASCII string powered Deepwater Corrosion Services Inc. 13813 FM 529 Rd, Houston, TX 77041 USA +1 (713) 983 7117 Email: sales@stoprust.com polatrak.com SMB-001 Deep C Meter 300 AD Manual © 2015 Deepwater Corrosion Services Inc. Specifications subject to change without notice...
  • Page 2: Table Of Contents

    Deep C Meter 300 AD™ operation manual Table of contents 1 Overview 2 Documentation 3 Health and safety 4 LED readout components 4.1 Deep C Meter 300 AD™ 4.2 Articulating mount 4.3 Flying leads 5 Probe unit components 6 ROV interface 7 Calibration 7.1 Deep C Meter AD calibration...
  • Page 3 Table 6 - Troubleshooting quick guide Table 7 - List of spare parts 1. Overview The Deep C Meter 300 AD is a complete ROV-interfaced cathodic protection monitoring system. The system comprises five basic parts: 1.1 LED readout Triple voltmeters housed in a Delrin pressure housing.
  • Page 4: Documentation

    Deep C Meter 300 AD™ operation manual 1.6 The Deep C Meter 300 AD™ has the following upgrades from previous versions: • Smaller pressure housing • Combines ROV-II™ and Polatrak EFG pressure housing • Programmable ultra-bright LED displays with brightness adjustments •...
  • Page 5: Led Readout Components

    Deep C Meter 300 AD™ operation manual 4. LED readout components The readout unit has three major sub-assemblies: The pressure housing, articulated mount and flying leads. 4.1. Deep C Meter 300 AD™ 4.1.1. Pressure housing - The pressure housing is made from Delrin and is rated for water depths of 300 meters (1,000 feet).
  • Page 6: Flying Leads

    Deep C Meter 300 AD™ operation manual 4.2. Adjustable mount 4.2.1. The adjustable mount is designed to secure the Deep C Meter 300 AD™ to the ROV frame and provide angled adjustment to optimize camera viewing of the displays. The mount and all fixing hardware are made of Delrin.
  • Page 7: Probe Unit Components

    Deep C Meter 300 AD™ operation manual 5. Probe unit components The Deep C Meter 300 AD™ utilizes the popular Polatrak ROV-II™ tip contact probe. More detailed information can be found in the ROV-II operation manual Doc. No. 354-MN01-ENG. 5.1. Housing - The housing provides protection to the reference electrode elements. It is made from a rugged thermoplastic and is designed to fit the compliant tee handle mount for convenient manipulator mounting.
  • Page 8: Calibration

    7.1.2 Apply a known potential between 0.100V - 2.400V (battery or portable power supply). Measure the potential directly with a multimeter. 7.1.3 Measure the potential reading with the Deep C Meter 300 AD™. These two potentials should be within ± 3 mV. If the difference is greater, send the calibration command through the RS232 interface.
  • Page 9: Operation

    See Table 6 if communication cannot be established. 8.1.3 Find a good location on the vehicle to mount the Deep C Meter 300 AD™ and attach the articulated mount. Typically, the display unit should be in view at the same time as the probe unit to maximize efficiency.
  • Page 10: Taking Cp Potential Readings

    9. Taking CP potential readings 9.1. Stab the contact probe onto the point on the structure where the reading is required; when a good contact is made, the Deep C Meter 300 AD™ will show a steady reading. CAUTIONS • Avoid stabbing painted or coated surfaces; whenever possible, try to take readings on bare steel or on spots specially designated for CP measurement.
  • Page 11: Maintenance And Repair

    Deep C Meter 300 AD™ operation manual 11. Maintenance and repair This section covers general operational maintenance; attempting any tasks not described in this sec- tion may result in damage to the system. 11.1 Tip replacement 11.1.1 From time to time, it will be necessary to replace the contact tip. Remove the old tip with a 7/16”...
  • Page 12: Rs232 Functions

    Deep C Meter 300 AD™ operation manual 12. RS232 Functions 12.1 Data output 12.1.1 Data string structure: Stab 1, Stab 2, EFG For example: -1034, -1035, -12.2 -1034, -1036, 12.2 12.1.2 After each data set there is a line feed and carriage return present. The rate is 2 data sets per second.
  • Page 13: Control Data Input

    Deep C Meter 300 AD™ operation manual 12.2 Control data input The following functions can be accessed by sending commands over the RS232 interface from within RUSS or through a standard serial program. Table 5: RS232 command list Action Input command...
  • Page 14: Spare Parts And Accessories

    If problem persists or is not listed, please call our hotline at (713) 983-7117 and ask for Polatrak technical support. 14. Spare parts and accessories 14.1 The Deep C Meter 300 AD is shipped in a waterproof transit case and contains the following spares and accessories. Please contact your Deepwater representative to order additional spares if required.
  • Page 15: Articulating Mount

    Deep C Meter 300 AD™ operation manual 14.1.4 O-ring lube 14.1.5 Silicone connector lube 14.1.6 Bulkhead dummy plug 14.1.7 Ag/AgCl electrode element 14.1.8 Lens back-up ring 14.1.9 Lens O-ring Table 7: List of spare parts Part No. Description No. Required No.
  • Page 16 Deep C Meter 300 AD™ operation manual Figure 7 Cell to Zn coupon ROV-II™ calibration wiring schematic Calibration voltmeter display at 2 Volts DC setting Seawater solution Non-metallic bucket Zn calibration coupon Step —VE DC scale Expected result Tip / Pin 1 Reference electrode 2 / Pin 3 –1.030 to –1.070...

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