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INVUE ELECTRONIC FLOWMETER, MODEL NT4400

11

Entegris, Inc. | User Guide

Pressure Drop Chart

The following pressure drop chart
details the pressure drop developed
using deionized water at 23°C (73°F).

Percent of Full Scale Flow (%)

Nominal Pressure Drop (psi

)

Pressure Drop vs. Percent Full Scale Flow – T Flow Ranges

0

20

40

60

80

100

5

4

3

2

1

0

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10
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Содержание InVue NT4400

Страница 1: ...InVue Electronic Flowmeter Model NT4400 User Guide P N 01 1036196 REV D 07 21 ...

Страница 2: ...nic Flowmeter NT4400 Cover 10 Operating Pressure Requirements 10 Flow Accuracy 10 Pressure Accuracy 10 Pressure Drop Charts 11 Determining the Flowmeter Cv 13 CE Compliance 13 Hazardous Locations 13 Diagnostics 14 InVue Electronic Flowmeter NT 4400 Diagnostics Guide 14 Maintenance 17 Normal Operation 17 Flowmeter Re zero Function 17 Reference 18 Physical Specifications 18 Electrical Specifications...

Страница 3: ...allic flowmeter are constructed of PTFE CTFE PFA or similar materials The InVue Electronic Flowmeter NT4400 calculates fluid flow from the differential pressure measured by two sensors separated by a venturi style integral orifice The unit provides two electrical output signals each 4 20 mA one for flow rate and another for pressure measurement The pressure measurement is taken from the outlet of ...

Страница 4: ...flared tube connections of various sizes as a standard PrimeLock and Super 300 type Pillar tube connections are available upon request NOTE For detailed tube flaring instructions see Flaretek tube fitting flare and assembly procedures on our website NOTE For detailed PrimeLock tube fitting assembly instructions visit our website For detailed Super 300 Type Pillar tube fitting assembly instructions...

Страница 5: ...not require straight lengths of tubing at the inlet or the outlet connection For best performance mount the flowmeter at relative elevation lower than the point of dispense to main tain positive pressure at all times NOTE To perform within specification a minimum of 7 kPa 1 0 psig of pres sure must be present on the outlet side of the flowmeter WARNING Flaretek fittings are specifically designed t...

Страница 6: ...mm 6 28 91 7 mm 3 61 21 6 mm 0 85 3 3 4 4 Flaretek 165 6 mm 6 52 99 1 mm 3 90 25 7 mm 1 01 1 Flaretek 177 8 mm 7 00 106 9 mm 4 21 30 5 mm 1 20 Flaretek Connection 127 0 mm 5 00 90 9 mm 3 58 114 0 mm 4 49 26 0 mm 1 02 40 1 mm 1 58 76 7 mm 3 00 50 8 mm 2 00 8 conductor connector cable DXX cable length 12 ft 8 conductor FEP jacketed cable pigtail connection BXX cable length 12 ft 6 3 mm 0 25 User sup...

Страница 7: ...ings from the flowmeter Input Power The InVue Electronic Flowmeter NT4400 requires a nominal 24 VDC 12 28 VDC input voltage to operate Table A on page 7 describes the unit input power requirements Output Signals The InVue Electronic Flowmeter NT4400 provides two optically isolated analog 4 20 mA output signals one signal for flow and one signal for pressure Each analog output signal uses a standar...

Страница 8: ...trations WARNING Substitution of compo nents may impair suitability for division 2 NOTE For use in Class I Division 2 Hazardous Environments models with disconnecting cable options must be wired in accordance with the control drawing 01 1033563 on page 22 Table A Electrical connector information SIGNAL CONNECTOR TYPE AND WIRE COLOR COMMENTS 8 WIRE PIGTAIL OR D SERIES CONNECTOR 7 WIRE CONNECTOR Gro...

Страница 9: ...roper functioning Consult the User Guide for additional information Re zero recommended at installation and periodic maintenance Consult the User Guide for additional information Electrical cable Figure 2 Connect power and re zero wires 05 Orange Flow loop 03 Brown 06 Blue Electrical cable Power Supply 24 VDC 10 Flow display or other monitoring device Pressure display or other monitoring device Th...

Страница 10: ...d is calculated from the following formula where RLoad maximum load resistance VPS power supply voltage Rmeter meter resistance theoretically 0 If RLoad is calculated using a voltage drop across the meter Vm the following equation is used RLoad 50 VPS 12 Vm Figure 4 below shows the power required for a 4 20 mA loop VPS 12 RLoad 0 02 Rmeter 800 600 0 12 Power Supply Voltage VPS R Load Ohms 24 28 Op...

Страница 11: ... the outlet of the flowmeter Maximum pressure is 414 kPa 60 psig WARNING The InVue Electronic Flowmeter NT4400 may be damaged if the flowmeter is subjected to any level of vacuum pressure less than atmospheric pressure WARNING The InVue Electronic Flowmeter NT4400 over pressure limit decreases significantly for temperatures above 65 C 149 F Flow Accuracy The accuracy of the analog flow output is 1...

Страница 12: ...de Pressure Drop Chart The following pressure drop chart details the pressure drop developed using deionized water at 23 C 73 F Percent of Full Scale Flow Nominal Pressure Drop psi Pressure Drop vs Percent Full Scale Flow T Flow Ranges 0 20 40 60 80 100 5 4 3 2 1 0 ...

Страница 13: ...alarm conditions NOTE Specifications are subject to change without notice mA Output vs Full Scale Flow T Flow Ranges mA Output vs Pressure Accuracy not specified below 5 6 mA 10 FS flow mA output values indicated on graph Pressure psig Do not operate below 0 psig mA output values indicated on graph mA Output mA Output Percent of Full Scale Flow 0 10 20 40 60 80 100 120 0 5 10 15 20 25 30 35 40 45 ...

Страница 14: ...us test standards required by the EMC 2014 30 EU directive The results of this testing are on file at Entegris and are available upon request Please contact the factory for the latest information The most current specifications may be found on our website Hazardous Locations The InVue Electronic Flowmeter NT4400 conforms to UL 61010 1 and ANSI ISA 12 12 01 standards for use in Class I Division 2 G...

Страница 15: ...m inlet towards outlet direction of the arrow The flowmeter was accidentally re zeroed while flow was present Make sure the flow is stopped and that there is a minimum of 7 kPa 1 0 psig static line pressure present then re zero the flowmeter See page 17 Use the included pressure output to verify the re zero pressure Insufficient line pressure The line pressure i e back pressure must be 7 kPa 1 0 p...

Страница 16: ...Black wires Insufficient line pressure The line pressure i e back pressure must be 7 kPa 1 0 psig If the back pressure is being supplied by a column of liquid the column height must be greater than 28 inches of water 7 kPa 1 0 psig Some liquids may require greater height due to lower density Use the included pressure output to verify the re zero pressure The flowmeter was accidentally re zeroed wh...

Страница 17: ...motors valves etc the flowmeter may be receiving dirty power The noise spikes on the power supply will cause the flowmeter output to be noisy 6 Flow inaccuracy at low operating flow rates The flowmeter needs to be re zeroed Perform the re zeroing procedure Make sure the flow is stopped and that there is a minimum of 7 kPa 1 0 psig static line pressure present then re zero the flowmeter See page 17...

Страница 18: ...lowmeter is ex periencing absolutely no flow typically requires a fully closed process valve located on the outlet side of the flowmeter 3 Using the pressure output signal of the flowmeter verify that there is at least 7 kPa 1 0 psig 414 kPa 60 psig maximum of stable static line pressure 4 Apply 24 VDC 12 28 VDC to the violet wire for a minimum of three seconds This voltage supply must use the sam...

Страница 19: ...specifications Nominal input voltage 24 VDC Input voltage range 12 28 VDC Input current 50 mA max 20 mA 20 mA for each output signal Signal output range for flow and pressure 4 20 mA Externally powered with 24 VDC Output varies proportionately with flow or pressure measured Maximum load resistance 0 Ω at 12 VDC 800 Ω at 28 VDC Maximum output current 22 mA for flow signal 22 mA for pressure signal ...

Страница 20: ...e 2 5 of full scale Accuracy stated as full scale using deionized water at 23 C 73 F and includes the combined effects of linearity hysteresis and repeatability Flow repeatability 10 1 turndown T flow ranges 20 100 of range 0 5 of full scale 10 20 of range 1 0 of full scale 20 1 turndown E flow ranges legacy 10 100 of range 0 5 of full scale 5 10 of range 1 0 of full scale Pressure measurement ran...

Страница 21: ...y seal The flowmeter is available in the following fitting size and flow range combinations FLOW RANGE Fitting size Flaretek connection T0 0 50 mL min T1 0 125 mL min T2 0 250 mL min T3 0 500 mL min T4 0 1250 mL min T5 0 2 5 L min T6 0 5 L min T7 0 10 L min T8 0 20 L min T9 0 40 L min T10 0 60 L min T11 0 90 L min T12 0 120 L min 1 1 4 4 Yes Yes Yes Yes Yes 3 3 8 8 Yes Yes Yes Yes Yes Yes Yes 1 1 ...

Страница 22: ...gris Electrical connector type B12 FEP jacketed 12 pigtail electrical cable D00 Polypropylene connector cable not included D12 Polypropylene connector and 12 PVC cable Electrical outputs A 4 20 mA 12 28 VDC input Sensor interface P7 CTFE sensor interface for acids bases and oxidant typically P8 PFA sensor interface for solvents and temperatures 40 C 104 F typically Primary secondary seal U3 Kalrez...

Страница 23: ... Power Ground Pressure Output Flow Output ReZero Ground 28 28 28 28 178 178 178 178 0 0 0 0 0 0 0 0 3 0 64 2 64 2 3 3 Table 1 Model 4400 Entity Parameters See Note 1 8 1 Factory Use Only 28 178 0 0 Non incendive Field Wiring Relationship Associated Field Wiring Apparatus Apparatus 4400 Flowmeter Vmax Imax Ci C cable 60pf ft Li L cable 0 2uH ft Voc Isc Ca La Table 2 Non incendive Field Wiring Appar...

Страница 24: ... across meter at 20 mA Rm Internal resistance ofmeter ohms Red Black White w red stripe White w black stripe White w green stripe White w yellow stripe Power loop Flow output loop Pressure output loop A A Vm IxRm RLoad Vm IxRm RLoad 24 VDC Supply VPS 24 VDC Supply VPS 24 VDC Supply VPS Figure 1L Electrical connector Code A00 Figure 2L Wiring diagram for the 7 wire 7 pin removable connector A serie...

Страница 25: ...5 E9 4 9 E10 7 3 11 0 14 6 CODE FLOW RANGE 5 1 TURNDOWN M0 10 50 mL min M1 25 125 mL min M2 50 250 mL min M3 100 500 mL min M4 250 1250 mL min O1 0 5 2 5 L min O2 1 5 L min O3 2 10 L min O4 4 20 L min O5 8 40 L min CODE FLOW RANGE 20 1 TURNDOWN E0 0 100 mL min E1 0 250 mL min E2 0 500 mL min E3 0 1000 mL min E4 0 2 5 L min E5 0 5 L min E6 0 10 L min E7 0 20 L min E8 0 40 L min E9 0 80 L min E10 0 ...

Страница 26: ...tegris Inc User Guide Legacy Pressure Drop Chart Pressure Drop vs Percent Full Scale Flow E Flow Ranges Percent of Full Scale Flow Note 100 full scale flow pressure drop 3 psi Nominal Pressure Drop psi 0 20 40 60 80 100 20 18 16 14 12 10 8 6 4 2 0 ...

Страница 27: ...ing Codes Code Electrical Connector Type A00 Polypropylene connector 7 wire legacy version Code Sensor Interface P1 CTFE sensor interface P2 PFA sensor interface Code Primary Secondary Seal U1 Kalrez 4079 Viton U2 Kalrez 1050 Viton S1 Kalrez 4079 Kalrez 4079 S2 Kalrez 1050 Kalrez 1050 ...

Страница 28: ...ustomers using unapproved foreign components 129 Concord Road Billerica MA 01821 USA Corporate Headquarters Tel 1 952 556 4181 Fax 1 952 556 8022 Toll Free 800 394 4083 Customer Service Entegris the Entegris Rings Design and other product names are trademarks of Entegris Inc as listed on entegris com trademarks All third party product names logos and company names are trademarks or registered trad...

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