4"12-Z 1 - part - usaid
4"12-Z 1 - part - usaid
4"12-Z 1 - part - usaid
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ONTROLOTRON<br />
Models 990DBN<br />
and 990DBP<br />
Universal Dedicated & Portable<br />
Dual Path Clamp-On Transit-Time Flowmeters<br />
DESCRIPTION<br />
Models 990DBN and 990DBP are precIsion Dual Path<br />
Universal Clamp-On Transit-Time Ultrasonic Flowmeters<br />
of NEMA 4X and Portable construction respectively They<br />
are Intended for application wherever high accuracy, for<br />
either custody transfer or regulatory reqUirements. IS<br />
demanded They maIntain their high performance even<br />
when locatea close to elbows or other upstream dIsturbances<br />
Both offer field programmability for essentIally any<br />
pipe size and operate With essentially any liqUid. They<br />
replace and outperform most conventional IntrUSIVe flowmeters<br />
even In their best applications and provide all<br />
Industry standard analog and digital data outputs. LCD<br />
Digital or Graphics display, With Integral Datalogger and<br />
Stnpchart pnntout<br />
Senes 990DB UnIflow measures flow by means of two<br />
orthogonal ultraSOnic beams. preferably operated In the<br />
reflect mode ThiS makes the system extremely resistant to<br />
flow profile distortion, crossflow or flow sWirl errors, normally<br />
caused by upstream bends. gate valves or short straight run<br />
conditions Its Clamp-On construction makes It Simple to<br />
Install In eXisting Installations. or as a precISion replacement<br />
for high maintenance Turbine. Venturi and Wetted Transducer<br />
4 Path Chordal ultraSOniC flowmeters<br />
The 990 Family Includes both Dedicated and Portable<br />
models Portable models can be used to qUickly evaluate the<br />
performance which Will be prOVided by the Dedicated models<br />
Dedicated NEMA 4X 990DB models are sUitable for operatlon<br />
In almost any environment, Indoors or outdoors. and at<br />
pipe temperatures up to 500°F<br />
FUNCTIONS<br />
Senes 9900 offers the follOWing<br />
optional functions<br />
• Industry Standard Analog and<br />
DIgital Data Outputs<br />
• Digital Flow Rate and Total Display<br />
• GraphIcs Display With Stnpchart<br />
and DataJogger<br />
• RS-232 Senall/O Data/Command<br />
Communication<br />
• Field Programmable Status<br />
Alarms Relay Outputs<br />
• Memonzed Flow, Site and<br />
DiagnostIc Data Pnntout<br />
FEATURES<br />
• Universal Applicability<br />
• Outperforms Conventional<br />
IntrUSive Flowmeters<br />
• Lower Cost/Higher Reliability<br />
than IntrUSive Flowmeters<br />
• User Fnendly Menu Dnven Field<br />
Programmable Site Setup<br />
• Non-Intrusive Universal Clamp-On<br />
Transducers<br />
• MultlPulse.ID TransmiSSion<br />
• No Cutting of Pipe Ever ReqUired<br />
• Batch and Sampling Capability<br />
BUIlt In<br />
• Caltbratable to 1/4% of Flow Rate<br />
• BI-Dlrectlonal Flow Measurement
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