HighperformingflowmeterwithintelligentanddynamicadaptationtochangingprocessconditionsThet-mass65Iwasdesignedforthedirectmassflowmeasurementofindustrialgasesandcompressedair

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High performing flowmeter with intelligent and dynamic adaptation to changing process conditions

The t-mass 65I was designed for the direct mass flow measurement of industrial gases and compressed air. With a turndown of typically 100:1 it can measure accurately operational flow rates and off line leakage. The integrated gas engine allows the customer to configure the device for 20 freely selectable gases. The t-mass 65I insertion version is suitable for large pipelines or rectangular ventilation ducts.

Benefits

Measurement of gases and gas mixtures in circular piping or rectangular ducts
Highest performance – high accuracy and repeatability for a wide range of utility and process gases
Cost-effective measurement – easy installation, negligible pressure loss and maintenance-free
Reliable flow trending – m*riable measurement
Fast and efficient commissioning – guided operating menus
High plant availability – self-diagnostics and error monitoring
Automatic recovery of data for servicing

Field of application

Measuring principle is characterized by a high operable flow range and direct mass flow measurement
Measurement of gases and gas mixtures in circular piping or rectangular ducts.

Device properties

Insertion version for nominal diameter DN 80 to 1500 (3 to 60")
Medium temperature up to +130 °C (266 °F)
High accuracy: ±1.5 % o.r. (10 to 100 % o.f.s.)
Device in compact or remote version
4-20 mA HART, PROFIBUS PA/DP, Modbus RS485, FF
Worldwide approvals (Hazardous area)

Measuring Principle	Thermal
Product headline	Mass flowmeter for measurement of standard single / mixture gas applications; insertion style
Sensor features	S-DAT, T-DAT Quick Set-Up Dynamic temperature compensation 20 selectable gases Programmable gas mixture External pressure input 2 Totalizers For circular pipe or rectangular duct
Nominal diameter range	DN 80...1500 3"...60"
Max. measured error	Mass: +-1.5%
Measuring range	Gas and process condition dependent
Max. process pressure	-0.5... 20 barg -7.25... 290 psig
Medium temperature range	-40... +130°C -40... +266°F
Degree of protection	IP 67 NEMA 4x
Display/Operation	Two line backlit LCD, alphanumeric (16 characters) Push buttons
Outputs	2 x 0/4...20mA Pulse/Frequency (1KHz, active/passive) 2 x Relays Status
Inputs	Status 0/4...20mA
Digital communication	HART PROFIBUS DP MODBUS RS485
Hazardous area approvals	ATEX FM CSA IEC Ex NEPSI