Flowphant T DTT31

Compact and cost-saving flow switch for safe monitoring of flow rates and temperature in industrial processes

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SKU: DTT31

Highlights

Measuring Range: Flow: 0.03 to 3 m/s (0.1 to 9.84 ft/s); Temperature: -20 to 85 °C (-4 to 185 °F)
Accuracy: Flow: 2% - 10% (per measurement range)
With threaded connections or compression fitting
Insertion type sensor
Marine approval & 3.1 certificate

Fields of application

Monitoring of cooling water circuits of pumps, turbines, compressors and heat exchangers
Monitoring of pump functions, lubrication circuits
Leak monitoring in process pipes
Filter monitoring in the beverages industry

Details

The switch is designed for the safe measurement, display and monitoring of relative mass flow rates of liquid media with practically no pressure loss. It can be selected between one or two switch outputs as well as one switch output and one standardized analog output for flow rates or temperature values. Typical applications are: Monitoring cooling water circulation processes or lubrication systems of pumps and heat exchangers or leak monitoring in process lines.

General Information

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Measuring principle	Thermal
Measured variables	Flow velocity, Temperature (RTD)
Medium type	Liquids
Flow rate liquid (volumetric flow)	0.03 to 3 m/s (0.1 to 9.84 ft/s)
Recommended velocity	0 to 3.0 m/s (0 to 9.84 ft/s)
Maximum error % liquid (mass flow)	2% - 10% (je nach Messbereich)
Display type	LED LCD-Display
Response time	6 to 12 s
Process temperature range	-20 to 85 °C (-4 to 185 °F)
Maximum allowable pressure	≤ 10 MPa = 100 bar (1450 psi)

Input/Output

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Output	1x PNP switch output (flow) or 2x PNP switch outputs (flow or temperature, configurable) or 1x PNP switch output and 1x 4 to 20 mA output, active (flow or temperature, configurable)

Mechanical Data

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Process connection	Thread: NPT ¼" , G¼"
Inlet run	5 × DN 10 × DN 15 × DN
Outlet run	3 × DN
Wetted material	Process connection: 316L
Housing material	316L
Degree of protection	IP65 (M16 x 1.5 or NPT ½", valve connector) IP66 (M12 x 1 connector)

Electrical Data

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Voltage Type	DC
Power supply	24 V DC (18 to 30 V)
Current consumption	< 100 mA (no-load) at 24 VDC, max. 150 mA (no-load)

Certification/Approvals

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Other Approvals/ Certification	Marine approval: DNVGL, BV 3.1 Certificate

Additional Information

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Ambient temperature range	-40 to 85 °C (-40 to 185 °F)
Storage temperature	-40 to 85 °C (-40 to 185 °F)
Shock resistance	Yes
Vibration resistance	Yes
Reverse polarity protection	Yes
Galvanic isolation	Yes
Electromagnetic compatibility (EMC)	As per IEC/EN 61326 (NE 21)