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TY-DR-2 CD™极化监控

添加时间:2010-10-26 编辑:X061 阅读:

  • 产品名称:TY-DR-2 CD™极化监控
  • 产品定货号:MS-00336-00
  • 产地:美国
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Product Overview
The sintered Ag/AgCl reference electrode provides very accurate potential data to monitor polarization of the structure. The heavy-duty zinc electrode element provides a long-term, ultra-reliable, low-resolution electrode. The compact current density coupon allows placement in confined spaces. The rugged dual-element (Ag/AgCl sw / Zinc) reference electrode is designed for weld-on, bolt-on or clamp-on attachment to an offshore structure.
Designed for permanent monitoring of cathodic protection systems, the electrode has a 20-year design life. Added to the back of the instrument is a 1 square meter current density monitoring array, such that polarization data may be logged directly from the instrument.
Use of permanent monitoring systems has grown recently, based on increased integrity emphasis and the ease of data telemetry. The DR-2 CD represents the latest innovation in cathodic protection monitoring from the world’s leading supplier of these systems.
Application
Offshore platform jackets & drill rigs.
Seawater ballast tanks on SPAR, TLP, and FSU / FPSO structures
SPAR center well areas.
Inshore structures, piers, jetties, wharves.
Subsea equipment wired to SunStation permanent readout.
As impressed current CP controller.
The DR2 CD combines two instruments: the DR-2 reference cell (yellow and black) and a current density monitor (top array).
DR-2 CD shown in-situ on bare framing
of an offshore jacket.
Offshore installation in progress.
Main Benefits
Structures with permanent CP monitoring systems can be inspected subsea much less frequently.
The rugged design allows the system to be preinstalled or retrofitted.
The double steel wire armored cable can be free-routed on offshore structures, thus saving cost of conduit or duct systems.
The dual elements combine high accuracy ±0.005V with proven longevity.
Ideal for seawater ballast tanks or areas where post installation access is difficult.
Specifications
 
 
Zinc Electrode
Material
Dimensions
Weight
Anti-passivation
Accuracy
Zinc (high purity 99.95%)
6 x 5 x 11.5"
12 lbs (5.45 kg)
Embedded carbon steel rods
±0.02 V
Ag/AgCl  Electrode
Material
Dimensions
Weight
Accuracy
Sintered Ag/AgCl w/ silver wire core
0.47" dia. x 0.20" (12 mm dia. x 5 mm)
0.09 oz (2.5 g)
±0.005 V
Electrode Housing
Material
Dimensions
Black Delrin
18" x 5" x 4" (45.7 x 12.7 x 10.2 cm)
Cable Encapsulation
Type
Cold-mold soft polyurethane made inside embedded PVC condulet within electrode housing.
Electrode Frame
Material
Coating
Conduit interface
ASTM A36 carbon steel
Marine epoxy
2” pipe coupling or 2” 150# blind flange
Dimensions
W x H x D
27” x 6” x 6” (68.6 x 15.2 x 15.2 cm)
Current Density Fins
Material
Insulator
Finish
Shunt
ASTM A36 carbon steel, 0.125" (3 mm) plate
Natural Ddelrin isolation plate and spacers
Sandblast
1 mV = 10 mA per square meter
Cable
Type
42 x #12 AWG PVC insulated, PU bedded, DGSWA, HMWPE. Sheathed available upon request.
 

产品名称产品简介产品编号
TY-DR-2 CD™极化监控The sintered Ag/AgCl reference electrode provides very accurate potential data to monitor polarization of the structure.MS-00336-00



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