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DDI-T Series

 

GENERAL

The DDI-T Series Gauge was the industry's first 3/4 ” downhole pressure gauge, and set the standard that competing gauges still try to meet.

The DDI-T Series Gauge uses a piezo-resistive pressure transducer and state-of-the-art acquisition electronics to provide near-quartz quality, temperature compensated data. Its sensor technology and small size provide for a very fast response to a temperature transient. The size and unique construction of the tool make it very resistant to physical shock and vibration. Experience has shown that the DDI-T Series Gauge operates very reliably at high temperatures.

The extremely efficient 3 Volt electronics provide for very low power consumption, allowing the tool to operate for long periods on a single AA cell lithium battery pack. This minimizes battery costs and eases shipping, as the small battery packs are not considered dangerous goods.

FEATURES

  • Accurate high quality data
  • Low power consumption
  • High temperature available
  • Rugged and reliable
  • Low maintenance
  • Large memory capacity

SPECIFICATIONS

Transducer Type...............................................................Piezo-Resistive

Pressure Accuracy..........................................................0.05% Full Scale

Pressure Resolution...................................................0.0003% Full Scale

Pressure Drift.......................................................................<3 psi / year

Pressure Rate......................... 10000, 15000,20000 , 25000,30000 psi

Temperature Accuracy..............................................................± 1.0°C

Temperature Resolution........................................... 0.002 % Full Scale

Temperature Rate.............................................150°C, 177°C,190°C

Power Requirements (volts).................................................... 3.3 V DC

Power Requirements (battery life)..................Temperature Dependent

Memory Capacity..................................................500,000 Sets for time

Sample Rate...........................................1 sample / 1 second to 1 hour

Program Segments.............................................................................15

Housing Material................................................718 INCONEL Standard

Housing Diameter.........................................................0.75 & 1.25 Inch

Housing Length....................................................................8.64 Inches

Communications............................................RS 232 or USB Comm. Box

Software...............................................................Windows Compatible

Specifications subject to change without notice.

ACCESSORIES

  • USB or RS-232 Serial Communication Box with Cable and 9V Battery
  • Pelican Case for Carrying Recorders and Accessories
  • O-rings
  • Battery Pack, “AA” Cell Lithium


 

 
 
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