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A.4.3

Conduit plugs/cable glands

Metal housing

Conduit entries for explosion-proof areas are shipped with one Exd plug (loose in bag) and
two dust caps fitted. Use suitably rated cable glands. Unused conduit entries must be
sealed with a suitably rated blanking plug.

Plastic housing

Glass-filled nylon housings with direct load, PNP/PLC and IS electronics are shipped with
one PA66 cable gland and one blanking plug. The cable gland supports cable diameters in
the range 0.2 to 0.3 in. (5 to 8 mm).

Glass-filled nylon housings with relay electronics are shipped with two PA66 cable glands.
The cable gland supports cable diameters in the range 0.2 to 0.3 in. (5 to 8 mm).

A.5

Functional specifications

A.5.1

Switching delay

User-selectable 0.3, 1, 3, 10, 30 seconds delay for dry-to-wet and wet-to-dry switching.

A.5.2

Switching mode

User selectable switching mode (Dry=on or Wet=on).

A.6

Environmental specifications

A.6.1

Maximum operating altitude

6562 ft. (2000 m)

Specifications and reference data

Reference Manual

March 2022

00809-0100-4030

68

Reference Manual

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Содержание Rosemount 2120

Страница 1: ...Reference Manual 00809 0100 4030 Rev GA March 2022 Rosemount 2120 Level Switch Vibrating Fork ...

Страница 2: ...carrying lifting and installing the level switch WARNING Explosions could result in death or serious injury Verify the operating atmosphere of the level switch is consistent with the appropriate hazardous locations certifications Before connecting a handheld communicator in an explosive atmosphere ensure the instruments are installed in accordance with intrinsically safe or non incendive field wir...

Страница 3: ... customer s sole risk and expense WARNING Physical access Unauthorized personnel may potentially cause significant damage to and or misconfiguration of end users equipment This could be intentional or unintentional and needs to be protected against Physical security is an important part of any security program and fundamental to protecting your system Restrict physical access by unauthorized perso...

Страница 4: ...4 ...

Страница 5: ...es 33 4 2 Prepare the electrical connections 34 4 3 Connect wiring and power up 48 Chapter 5 Operation 53 5 1 Output mode and time delay 53 5 2 LED indication status 54 Chapter 6 Service and troubleshooting 55 6 1 Safety messages 55 6 2 Magnetic test point 56 6 3 Visual inspection 58 6 4 Maintenance 58 6 5 Troubleshooting 59 6 6 Spare parts 60 6 7 Replacement and calibration of cassettes 61 6 8 Op...

Страница 6: ...A 5 Functional specifications 68 A 6 Environmental specifications 68 A 7 Dimensional drawings 71 Contents Reference Manual March 2022 00809 0100 4030 6 Reference Manual ...

Страница 7: ...he operation and what the LED indications mean Service and troubleshooting provides troubleshooting techniques for the most common operating problems Specifications and reference data supplies reference and specification data 1 2 Product certifications See the Rosemount 2120 Product Certifications document for detailed information on the existing approvals and certifications 1 3 Product recycling ...

Страница 8: ...Introduction Reference Manual March 2022 00809 0100 4030 8 Reference Manual ...

Страница 9: ...Hz of the fork avoids interference from plant vibration that may cause false switching to a wet state This allows for minimum intrusion into the tank or pipe using a short fork 2 3 Vessel characteristics The level switch should be mounted using its process connection and in a horizontal or vertical orientation so that the liquid medium can flow freely in the gap between the forks A vessel tank or ...

Страница 10: ...aximum and minimum level detection in tanks containing different types of liquids are ideal applications It is common practice to have an independent high level alarm switch as a backup to an installed level device in case of primary failure Pump control or limit detection Batch processing tanks often contain stirrers and agitators to ensure mixing and product fluidity The Rosemount 2120 has a use...

Страница 11: ...ss plant managers to save up to 90 on installation cost compared with wired technologies More data can be collected at central locations than has ever been possible before The Rosemount 2120 can be used with a Rosemount 702 Wireless Discrete Transmitter to enable these benefits for your applications Hygienic applications With the highly polished forks option providing a surface finish Ra better th...

Страница 12: ...E coated 316 316L stainless steel I Short fork length or extensions up to 157 5 in 4 m J Two cable conduit entries 2 5 1 Short fork technology Using short fork technology the device can be used in almost all liquid applications Extensive research has maximized the operational effectiveness of the fork design making it suitable for most liquid mediums including coating liquids aerated liquids and s...

Страница 13: ... output to be on or off when the forks are wet or dry Typically is set to dry on for a low level point alarm or wet on for a high level point alarm There is also a user selectable time delay 0 3 1 3 10 or 30 seconds on the electronics cassette to virtually eliminate the risk of false switching in turbulent or splashing applications 2 5 5 Magnetic test point A magnetic test point is located on the ...

Страница 14: ...Level switch overview Reference Manual March 2022 00809 0100 4030 14 Reference Manual ...

Страница 15: ...th a heavy flange and extended fork length may exceed 37 lb 18 kg A risk assessment is required before carrying lifting and installing the level switch Repair e g substitution of components etc may jeopardize safety and is under no circumstances allowed WARNING Explosions could result in death or serious injury Verify the operating atmosphere of the level switch is consistent with the appropriate ...

Страница 16: ...nt damage to and or misconfiguration of end users equipment This could be intentional or unintentional and needs to be protected against Physical security is an important part of any security program and fundamental to protecting your system Restrict physical access by unauthorized personnel to protect end users assets This is true for all systems used within the facility CAUTION Hot surfaces The ...

Страница 17: ...ion is virtually unaffected by flow turbulence bubbles foam vibration solid particles build up or properties of the liquid medium Avoid process medium build up on the forks Avoid situations where a drying and coating process medium may create an excessive build up or implement preventative maintenance programs to ensure the build up is not enough to impair performance see Figure 3 2 Reference Manu...

Страница 18: ...liquid density is 37 5 lb ft3 600 kg m3 Liquid viscosity range Up to 10000 cP centiPoise Solids content in the liquid medium As a guideline the maximum solid particle diameter in the liquid process medium is 0 2 in 5 mm Extra consideration is needed when solid particles are bigger than 0 2 in 5 mm and advice should be sought from Emerson Foams In almost all cases the Rosemount 2120 is insensitive ...

Страница 19: ... 3 Figure 3 3 Switching Point in Inches Millimeters SP HY SP 0 5 13 0 1 2 5 0 5 13 Note When mounted vertically a low density medium has a switching point closer to the process connection A high density medium has a switching point closer to fork tip Reference Manual Mechanical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 19 ...

Страница 20: ... Handle the level switch with great care The weight of the level switch with a heavy flange and extended fork length may exceed 37 lb 18 kg A risk assessment is required to be done before carrying lifting and installing the level switch Use both hands to carry the extended length versions and do not hold a level switch by the forks see Figure 3 4 Figure 3 4 Handling Make no alterations to the leve...

Страница 21: ...onics housing cover to form a good seal On metal housing versions metal must contact metal to form a good seal Always use Emerson s O rings Mounting orientation Mount the Rosemount 2120 at any angle that allows the level of the process medium to rise fall or flow through the fork gap Related information Correct fork alignment Hygienic installation For hygienic applications the level switch must be...

Страница 22: ... 4 in 35 mm or larger Ensure the fork tines intrude at least 0 9 in 22 mm into the pipe Keep at least 0 3 in 7 mm of clearance between the fork tines and the pipe wall Figure 3 7 Pipe Installation D A B A Minimum intrusion 0 9 in 22 mm B Minimum clearance 0 3 in 7 mm Mechanical installation Reference Manual March 2022 00809 0100 4030 22 Reference Manual ...

Страница 23: ...llation does not create tank crevices around the forks where a liquid medium may collect This event can happen with high viscosity and high density liquids The forks do not come into contact with the vessel tank or pipe wall internal fittings or any other obstructions Extra consideration is needed if the plant vibration is close to the 1400 Hz operating frequency of the fork Required supports for ...

Страница 24: ...roved A B B B C A Maximum 1 3 ft 0 4 m B 2 3 ft 0 7 m C 0 65 ft 0 2 m Figure 3 10 Horizontal Installation Standard A B B A Maximum 3 28 ft 1 0 m B 3 28 ft 1 0 m Mechanical installation Reference Manual March 2022 00809 0100 4030 24 Reference Manual ...

Страница 25: ...3 11 Horizontal Installation Marine GL Approved B C B B A Maximum 1 3 ft 0 4 m B 2 3 ft 0 7 m C 0 65 ft 0 2 m Reference Manual Mechanical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 25 ...

Страница 26: ...Figure 3 12 Process Connection Seals F B A C D E A PTFE tape B NPT or BSPT R thread C Gasket D BSPP G thread E Tri Clamp F The Tri Clamp seal is supplied in an accessory kit Mechanical installation Reference Manual March 2022 00809 0100 4030 26 Reference Manual ...

Страница 27: ...rocess connections have a groove Fork alignment in a vessel tank installation The fork is correctly aligned by positioning the groove or notch as indicated Figure 3 14 Figure 3 14 Correct Fork Alignment for Vessel Tank Installation A B C OK OK OK A Tri Clamp process connections have a circular notch B Threaded process connections have a groove C Flanged process connections have a circular notch Re...

Страница 28: ...t may be used as a sealant for BSPP G threaded connections 2 Screw the level switch into the process connection Note Tighten using the hexagon nut only Figure 3 15 Vertical Installation A A Gasket for BSPP G threaded connection Figure 3 16 Horizontal Installation A A Gasket for BSPP G threaded connection Mechanical installation Reference Manual March 2022 00809 0100 4030 28 Reference Manual ...

Страница 29: ...ed 2 Tighten the bolts and nuts with sufficient torque for the flange and gasket 3 Seal and protect the threads Use anti seize paste or PTFE tape according to site procedures A gasket may be used as a sealant for BSPP G threaded connections Reference Manual Mechanical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 29 ...

Страница 30: ...g the hexagon nut only A A Gasket for BSPP G threaded connection 3 3 4 Mounting the flanged version Procedure 1 Lower the level switch into the nozzle A A Gasket customer supplied Mechanical installation Reference Manual March 2022 00809 0100 4030 30 Reference Manual ...

Страница 31: ...flange and gasket 3 3 5 Mounting the Tri Clamp version Procedure 1 Lower the level switch into the flange face A A Seal supplied with Tri Clamp 2 Fit the Tri Clamp Reference Manual Mechanical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 31 ...

Страница 32: ...Mechanical installation Reference Manual March 2022 00809 0100 4030 32 Reference Manual ...

Страница 33: ...th a heavy flange and extended fork length may exceed 37 lb 18 kg A risk assessment is required before carrying lifting and installing the level switch Repair e g substitution of components etc may jeopardize safety and is under no circumstances allowed WARNING Explosions could result in death or serious injury Verify the operating atmosphere of the level switch is consistent with the appropriate ...

Страница 34: ...onnel may potentially cause significant damage to and or misconfiguration of end users equipment This could be intentional or unintentional and needs to be protected against Physical security is an important part of any security program and fundamental to protecting your system Restrict physical access by unauthorized personnel to protect end users assets This is true for all systems used within t...

Страница 35: ...0 Vdc Relay DPCO Double Pole Changeover electronics standard 20 60 Vdc or 20 264 Vac 50 60 Hz Relay DPCO electronics 12 Vdc nominal 9 30 Vdc NAMUR electronics 8 Vdc 8 16 mA electronics 24 Vdc 4 2 4 Hazardous areas When the device is installed in hazardous areas classified locations local regulations and the conditions of use specified in applicable certificates must be observed Review the Rosemoun...

Страница 36: ...DPST switch to indicate it is the supply disconnection device for the level switch Note The Rosemount 2120 requires a minimum current to operate IOFF which continues to flow when the output is off If selecting a relay to wire in series with the Rosemount 2120 ensure the drop out voltage of the relay is greater than the voltage generated across the relay coil when IOFF flows through it Table 4 1 El...

Страница 37: ...ST U 12 V 1 2 IL R N 0 V L V F 3 DPST 4 mA 1 2 IL R N 0 V L V F 3 DPST U 12 V 1 2 IL R N 0 V L V F 3 DPST 4 mA LED on continuously LED flashes every second LED on continuously LED flashes every second Load on Load off Reference Manual Electrical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 37 ...

Страница 38: ...V 1 2 3 4 O P 0V F F Fuse 2A T Table 4 3 Electrical Parameters Parameter Value U 20 60 Vdc I 4 mA IL I L OFF 100 μA IL MAX 0 500 mA IPK 5 A 40 ms inrush UOUT ON U 2 5 Vdc 20 C U 2 75 Vdc 40 to 80 C Electrical installation Reference Manual March 2022 00809 0100 4030 38 Reference Manual ...

Страница 39: ... 3 4 IL 100 μA 1 2 I P PLC 3 4 IL 3 V U 1 2 I P PLC 3 4 IL 100 μA PNP dc 1 2 3 4 R F 3 V U IL 1 2 3 4 R F IL 100 μA 1 2 3 4 R F 3 V U IL 1 2 3 4 R F IL 100 μA LED LED on continuously LED flashes every second LED on continuously LED flashes every second Reference Manual Electrical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 39 ...

Страница 40: ...o the level switch Keep the DPST switch free of obstructions Label the DPST switch to indicate it is the supply disconnection device for the level switch Table 4 5 Electrical Parameters Parameter Value U 20 60 Vdc or 20 264 Vac 50 60Hz I 6 mA Table 4 6 NC C and NO Terminals Parameter Resistive load Inductive load cos ϕ 1 0 4 L R 0 ms 7 ms IMAX 5 A 3 5 A UMAX ac 250 V 250 V dc 30 V 30 V PMAX ac 125...

Страница 41: ...t on low level alarm NC C NO NC C NO NC C NO NC C NO NC C NO NC C NO NC C NO NC C NO LED on continuously LED flashes every second LED on continuously LED flashes every second Reference Manual Electrical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 41 ...

Страница 42: ...itch as near as possible to the Rosemount 2120 Keep the DPST switch free of obstructions Label the DPST switch to indicate it is the supply disconnection device for the Rosemount 2120 Table 4 8 Electrical Parameters Parameter Value U 9 30 Vdc I 4 mA Table 4 9 NC C and NO Terminals Parameter Resistive load Inductive load cos ϕ 1 0 4 L R 0 ms 7 ms IMAX 2 A 1 A UMAX 30 V 30 V PMAX 60 W 30 W Electrica...

Страница 43: ...t on low level alarm NC C NO NC C NO NC C NO NC C NO NC C NO NC C NO NC C NO NC C NO LED on continuously LED flashes every second LED on continuously LED flashes every second Reference Manual Electrical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 43 ...

Страница 44: ...ing barrier See the Rosemount 2120 Product Certifications document for Intrinsically Safe approvals This electronics cassette is also suitable for non hazardous safe area applications It can only be interchanged with the 8 16 mA cassette Do not exceed 8 Vdc Table 4 11 Electrical Parameters Parameter Value ION 2 2 2 5 mA IOFF 0 8 1 0 mA IFAULT 1 0 mA Electrical installation Reference Manual March 2...

Страница 45: ...rm Mode wet on low level alarm 1 2 2 2 mA 1 2 1 0 mA 1 2 2 2 mA 1 2 1 0 mA LED on continuously LED flashes every second LED on continuously LED flashes every second Reference Manual Electrical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 45 ...

Страница 46: ... barrier See the Rosemount 2120 Product Certifications document for Intrinsically Safe approvals This electronics cassette is also suitable for non hazardous safe area applications In this case U 11 36 Vdc It can only be interchanged with a NAMUR cassette Table 4 13 Electrical Parameters Parameter Value U 24 Vdc Nominal ION 15 17 mA IOFF 7 5 8 5 mA IFAULT 3 7 mA Electrical installation Reference M...

Страница 47: ... Mode wet on low level alarm 2 3 1 15 mA 2 3 1 8 5 mA 2 3 1 15 mA 2 3 1 8 5 mA LED on continuously LED flashes every second LED on continuously LED flashes every second Reference Manual Electrical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 47 ...

Страница 48: ...ield Grounding at Power Supply End B A C C D B A Trim shield and insulate B Minimize distance C Trim shield D Connect shield back to the power supply ground Grounding the housing The most effective grounding method for the metal housing is a direct connection to earth ground with minimal impedance Housings with NPT conduit entries do not have an earth ground point and must use the fork earth Figur...

Страница 49: ...20 with a glass filled nylon housing are not explosion proof flameproof They do not have a cover lock 3 Remove the plastic plugs Versions of the Rosemount 2120 with a glass filled nylon housing do not have plastic plugs fitted 4 Pull cables through the cable gland conduits Cassettes with a single terminal only require one cable Identification of thread size and type in ANPT M20 x 1 5 M20 in ANPT M...

Страница 50: ... the cable wires see Wiring diagrams for other cassettes Metal housing Glass filled nylon housing 6 Ensure proper grounding Electrical installation Reference Manual March 2022 00809 0100 4030 50 Reference Manual ...

Страница 51: ...PTFE tape or other sealant to the threads Metal housing Glass filled nylon housing Note Make sure to arrange the wiring with a drip loop Reference Manual Electrical installation 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 51 ...

Страница 52: ...Glass filled nylon housing 9 Attach and tighten the cover Make sure the cover is fully engaged 10 Required for explosion proof flameproof installations only The cover must be fully engaged to comply with explosion proof requirements 11 Re lock the cover 12 Connect the power supply Electrical installation Reference Manual March 2022 00809 0100 4030 52 Reference Manual ...

Страница 53: ...h indicates the present mode and time delay Figure 5 1 Top down View Example Cassette Inside Housing OPERATION MODE Dry On Mode Dry Wet Wet On Mode Dry Wet Dry On Wet On Seconds Delay 0 3 0 3 3 30 10 1 3 30 10 1 1 2 3 OUT 4 PLC PNP Isolate Supply Before Removing A B A Heartbeat LED B Rotating switch for setting output mode and time delay The recommended mode for high level alarm installations is t...

Страница 54: ...hanges to the mode and time delay become active 5 2 LED indication status Table 5 1 shows the different operation statuses and how they are indicated by the LED Table 5 1 LED Indications LED flash rate Switch status Continuous Output state is on 1 every second Output state is off 1 every 2 seconds Uncalibrated 1 every 4 seconds Load fault load current too high load short circuit 2 times second Ind...

Страница 55: ...th a heavy flange and extended fork length may exceed 37 lb 18 kg A risk assessment is required before carrying lifting and installing the level switch Repair e g substitution of components etc may jeopardize safety and is under no circumstances allowed WARNING Explosions could result in death or serious injury Verify the operating atmosphere of the level switch is consistent with the appropriate ...

Страница 56: ...nel may potentially cause significant damage to and or misconfiguration of end users equipment This could be intentional or unintentional and needs to be protected against Physical security is an important part of any security program and fundamental to protecting your system Restrict physical access by unauthorized personnel to protect end users assets This is true for all systems used within the...

Страница 57: ... MAGNETIC TEST POINT A B B A MAGNETIC TEST POINT S N S N A Output off B Output on Figure 6 2 Magnetic Test Point Metal Housing TP TP TP S N S N A B B A A Output off B Output on Reference Manual Service and troubleshooting 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 57 ...

Страница 58: ...g plugs are fitted securely The LED flash rate is once every second or continually on Figure 6 3 Visual Inspection OK Related information LED indication status 6 4 Maintenance Figure 6 4 Maintenance OK Note Only use a soft type brush for cleaning Service and troubleshooting Reference Manual March 2022 00809 0100 4030 58 Reference Manual ...

Страница 59: ...tion LED is flashing once every four seconds Recommended actions Check the electrical installation for a load fault current is too high or a short circuit Symptom or indication Visual inspection found fork damage Recommended actions Contact Emerson to report the damage and discuss how to get a replacement Symptom or indication Visual inspection found thick encrustation on the forks Recommended act...

Страница 60: ...longer switching time delay Symptom or indication Excessive electrical noise Recommended actions Suppress the cause of the interference Symptom or indication Cassette has been fitted from another level switch Recommended actions Fit the factory supplied cassette and then calibrate 6 6 Spare parts See the Rosemount 2120 Product Data Sheet for the latest information about spare parts Service and tro...

Страница 61: ...settes can be interchanged with other non I S cassettes but the new label must be fitted and the original part number transferred to the new label Before starting the replacement and calibration procedure ensure that any controlled process will not be adversely affected Procedure 1 Isolate and disconnect the power to the Rosemount 2120 and insulate the ends of the wires as a safety precaution Ther...

Страница 62: ...rtbeat LED is flashing at a rate of one flash per second Proceed to Step 5 if it is on continuously 2 Apply a magnet to the test point After a one second delay the LED will be lit continuously 3 Within one second rotate the mode switch two steps clockwise The LED will go out within two seconds 4 Within three seconds rotate the mode switch two steps counter clockwise Proceed to Step 8 After a two s...

Страница 63: ...nce reasons observe following items Do not remove the lid while circuits are live No dust deposits or whirlings are present No rain can enter into the housing 6 9 Service support To expedite the return process outside of the United States contact the nearest Emerson representative Within the United States call the Emerson Instrument and Valve Response Center using the 1 800 654 RSMT 7768 toll free...

Страница 64: ...ponse Center representatives will explain the additional information and procedures necessary to return goods exposed to hazardous substances Service and troubleshooting Reference Manual March 2022 00809 0100 4030 64 Reference Manual ...

Страница 65: ...lysis of all process parameters such as all chemical components temperature pressure flow rate abrasives contaminants etc when specifying product materials options and components for the particular application Emerson is not in a position to evaluate or guarantee the compatibility of the process fluid or other process parameters with the product options configuration or materials of construction s...

Страница 66: ...eaded 3 7 in 94 mm 157 5 in 4000 mm 2 in threaded 3 7 in 94 mm 157 5 in 4000 mm Flanged 3 5 in 89 mm 157 5 in 4000 mm Tri Clamp 4 1 in 105 mm 157 5 in 4000 mm 1 The maximum extended length is 157 5 in 4000 mm except for ECTFE co polymer coating and polished process connection options which have a maximum length of 59 1 in 1500 mm and 39 4 in 1000 mm respectively A 2 5 Transmissible Spongiform Ence...

Страница 67: ...d is 0 2 in 5 mm Avoid bridging of forks fork to fork A 4 Electrical specifications A 4 1 Protections Table A 3 Electrical Protections Protection Availability on Cassettes Polarity insensitive Relay except 12 Vdc version and Direct Load electronics Over current protection Direct Load and PNP PLC electronics Short circuit protection Direct Load and PNP PLC electronics Load missing protection Direct...

Страница 68: ...e gland supports cable diameters in the range 0 2 to 0 3 in 5 to 8 mm Glass filled nylon housings with relay electronics are shipped with two PA66 cable glands The cable gland supports cable diameters in the range 0 2 to 0 3 in 5 to 8 mm A 5 Functional specifications A 5 1 Switching delay User selectable 0 3 1 3 10 30 seconds delay for dry to wet and wet to dry switching A 5 2 Switching mode User ...

Страница 69: ...s Rating Stainless steel flanges Mobrey A Not applicable 34 barg Mobrey G Not applicable 21 barg ASME B16 5 Class 150 275 psig 1 ASME B16 5 Class 300 720 psig 1 ASME B16 5 Class 600 1440 psig 1 EN1092 1 PN 10 16 16 barg 2 EN1092 1 PN 25 40 40 barg 2 EN1092 1 PN 63 63 barg 2 EN1092 1 PN 100 100 barg 2 JIS B2220 10K 14 barg 3 JIS B2220 20K 34 barg 3 1 At 100 F 38 C the pressure rating decreases with...

Страница 70: ...ient temperature for a 8 16 mA cassette is limited to 158 F 70 C in dust applications Figure A 2 Operating Temperature 176 80 122 50 32 0 40 40 40 40 32 0 140 60 302 150 A B A Ambient Temperature F C B Process Temperature F C Specifications and reference data Reference Manual March 2022 00809 0100 4030 70 Reference Manual ...

Страница 71: ...69 5 9 151 E F G A Glass filled nylon housing B Aluminum stainless steel housing C Allow 1 2 30 clearance to remove cover D Cable entry M20 x 1 5 or in NPT E Cable entry M20 x 1 5 or in NPT F 1 6 40 A F hexagon G or 1 in thread H 0 5 13 switchpoint when mounted vertically I 0 5 13 switchpoint when mounted horizontally Dimensions are in inches millimeters Reference Manual Specifications and referen...

Страница 72: ...ove cover D Cable entry M20 x 1 5 or in NPT E Cable entry M20 x 1 5 or in NPT F 1 6 40 A F hexagon G or 1 in thread H Ø1 14 29 for 1 in thread Ø0 9 23 for in thread I 0 5 13 switchpoint when mounted vertically J 0 5 13 switchpoint when mounted horizontally K Customer specified fork length see Table A 2 Dimensions are in inches millimeters Specifications and reference data Reference Manual March 20...

Страница 73: ... C Allow 1 2 30 clearance to remove cover D Cable entry M20 x 1 5 or in NPT E Cable entry M20 x 1 5 or in NPT F 2 6 65 A F hexagon G 2 in thread H 0 5 13 switchpoint when mounted vertically I 0 5 13 switchpoint when mounted horizontally J Customer specified fork length see Table A 2 Dimensions are in inches millimeters Reference Manual Specifications and reference data 00809 0100 4030 March 2022 R...

Страница 74: ...num stainless steel housing and not hygienically approved C Allow 1 2 30 clearance to remove cover D Cable entry M20 x 1 5 or in NPT E Cable entry M20 x 1 5 or in NPT F 1 6 40 A F hexagon G 1 in 38 mm or 2 in 51 mm Tri Clamp H 0 5 13 switchpoint when mounted vertically I 0 5 13 switchpoint when mounted horizontally Dimensions are in inches millimeters Specifications and reference data Reference Ma...

Страница 75: ...proved B Aluminum stainless steel housing and hygienically approved C Allow 1 2 30 clearance to remove cover D Cable entry M20 x 1 5 or in NPT E Cable entry M20 x 1 5 or in NPT F 1 in 38 mm or 2 in 51 mm Tri Clamp G 0 5 13 switchpoint when mounted vertically H 0 5 13 switchpoint when mounted horizontally Dimensions are in inches millimeters Reference Manual Specifications and reference data 00809 ...

Страница 76: ...ess steel housing and not hygienically approved C Allow 1 2 30 clearance to remove cover D Cable entry M20 x 1 5 or in NPT E Cable entry M20 x 1 5 or in NPT F 1 in 38 mm or 2 in 51 mm Tri Clamp G 0 5 13 switchpoint when mounted vertically H 0 5 13 switchpoint when mounted horizontally I Customer specified fork length see Table A 2 Dimensions are in inches millimeters Specifications and reference d...

Страница 77: ...steel housing and hygienically approved C Allow 1 2 30 clearance to remove cover D Cable entry M20 x 1 5 or in NPT E Cable entry M20 x 1 5 or in NPT F 1 in 38 mm or 2 in 51 mm Tri Clamp G 0 5 13 switchpoint when mounted vertically H 0 5 13 switchpoint when mounted horizontally I Customer specified fork length see Table A 2 Dimensions are in inches millimeters Reference Manual Specifications and re...

Страница 78: ...to remove cover D Cable entry M20 x 1 5 or in NPT E Cable entry M20 x 1 5 or in NPT F Ø0 9 23 for up to 1 in flange Ø1 14 29 for 1 in or larger flange Ø1 18 30 for 1 in or larger coated flange G 0 5 13 switchpoint when mounted vertically H 0 5 13 switchpoint when mounted horizontally Dimensions are in inches millimeters Specifications and reference data Reference Manual March 2022 00809 0100 4030 ...

Страница 79: ... x 1 5 or in NPT E Cable entry M20 x 1 5 or in NPT F Ø0 9 23 for up to 1 in flange Ø1 14 29 for 1 in or larger flange Ø1 18 30 for 1 in or larger coated flange G 0 5 13 switchpoint when mounted vertically H 0 5 13 switchpoint when mounted horizontally I Customer specified fork length see Table A 2 Dimensions are in inches millimeters Reference Manual Specifications and reference data 00809 0100 40...

Страница 80: ...d on 3 62 92 PCD Dimensions are in inches millimeters Figure A 13 Mobrey G Flange Ø2 68 Ø68 Ø5 00 Ø127 A A 4 off Ø0 55 Ø14 holes equi spaced on 3 97 98 4 PCD Dimensions are in inches millimeters Specifications and reference data Reference Manual March 2022 00809 0100 4030 80 Reference Manual ...

Страница 81: ...Reference Manual 00809 0100 4030 March 2022 Rosemount 2120 Level Switch 81 ...

Страница 82: ...ll rights reserved Emerson Terms and Conditions of Sale are available upon request The Emerson logo is a trademark and service mark of Emerson Electric Co Rosemount is a mark of one of the Emerson family of companies All other marks are the property of their respective owners ...

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