Series of Meters Find Their Flow

Description

The MT100 Series Multipoint Thermal Mass Flow Meters offer a new standard in performance accuracy, reliability, ease of use, and value. The meters feature a state-of-art electronics technology with application-proven precision flow sensors designed for the most demanding plant environments. The MT100 Series offer temperature-compensated direct mass flow measurement of air and gases for precise, repeatable measurement with low maintenance requirements in large diameter pipes, stacks, and rectangular duct installations.

 

These meters solve a problem that usually plagues flow meter performance: distorted flow profiles, low flow rates, and wide turndown rates. The MT100 Series air/gas Flow Meter comes in two to eight flow rate sensing points to help bypass these issues. Multiple sensors are inserted at various depths within a pipe or duct and their outputs are multiplexed and averaged to produce the flow rate within the process line. The sensors can be installed across a mast or inserted at multiple points around the process line in a single plane.

 

The flow meters can measure air/gas processes from -50 to 850°F (-45 to 454°C) with accuracy of ± 2°F (± 1,1°C), flow rates from 0.35 to 1000 SFPD (0,07 to 305 NMPS) with 100:1 turndown, and with excellent accuracy of ± 0.75% of reading/ ± 0.5% of full scale.

 

The state-of-art transmitter for the MT100 Series Flow Meter is both full-featured and rugged  coming with an extensive choice of output options to interface with virtually any DCS, PLC, SCADA, or recorder.  Dual, isolated, high resolution 4-20mA outputs compliant with Namur NE43, HART (Fieldcomm Group certified), Modbus, 0-1kHz frequency/pulse, and a USB port are all included. Optionally available are Foundation Fieldbus and Profibus-PA bus communications. Its large color touch-screen LCD readout provides comprehensive process information to users with both analog/digital displays of flow rate, temperature, totalized flow, and a user time-base selectable strip-chart of flow rate and sensor status diagnostics. The transmitter’s enclosure is superior, corrosion resistant stainless steel and carries a NEMA 4X/IP64 rating.

 

MT100 Series electronics also include a user programmable data logger feature to which flow rate, temperature and totalized flow as well as fault codes can be recorded on a removable, 8GB microSD card.  The instrument also features a calibration drift check, which can be initiated on user demand or programmed to run automatically.  Results of the test are provided with simple pass and fail messages presented to the operator on the LCD readout, and, if run automatically, the results are recorded to the on-board data logger.  

Specs

 

Flow Range: 0.25 SFPS to 1000 SFPS (0,07 NMPS to 305 NMPS) in air at standard conditions of 70°F (21,1°C) and 14.7 psia (1,01325 bar(a)).

 

Flow Accuracy: (at calibrated conditions)

 

(MT100M) ± 2% of reading, ±0.5% of full scale
(MT100S) ±0.75% of reading, ±0.5% of full scale

 

Temperature Coefficient (Flow):

 

With optional temperature compensation; valid from 10% to 100% of full-scale calibration
Maximum ± 0.015% of reading/ºF up to 850ºF (± 0.03% of reading/ºC up to 454ºC)

 

Flow Repeatability: ± 0.5% reading

 

Temperature Accuracy: ± 2°F (°1°C)

 

Temperature Repeatability: ± 1°F (°1°C)

 

Turndown Ratio: Normally factory set from 2:1 to 100:1 within the calibrated flow range

 

Temperature Compensation: 

 

Standard: ± 30°F (± 16°C)
Extended (Optional): ± 100°F (± 55°C)

 

Calibration: Performed using equipment traceable to NIST (US National Institute of Standards and Technology) and ISO/IEC 17025 international standards for test lab quality systems.

 

 

 

 

 

 


 


 

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