Gebruiksaanwijzing /service van het product STR94G van de fabrikant Honeywell
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ST 3000 Smart Transmitter Series 900 Remote Diaphragm Seals Models STR93D 0 to 100 psid 0 to 7 bar STR94G 0 to 500 psig 0 to 35 bar 34-ST-03-57 3/07 Specification and Model Selection Guide In 1983, Honeywell introduced the first Smart Pressure Transmitter ― the ST 3000 ® .
34-ST-03-57 Page 2 Description of Diaphragm Seals Diaphragm seals are traditionally used whe n a standa rd pressure transmitter should not be e xposed to the process pressure directly. Diaphrag m seals typically protect the pressure transmitter from one or more damaging aspect s of the process media.
34-ST-03-57 Page 3 Description of Diaphragm Seals Figure 6 - Seals with Threaded Process Connections can be use d with differential, gauge and absolute pressure transmitters and are a vailable with ½”, ¾” and 1” NPT Female process con nections.
34-ST-03-57 Page 4 Figure 12 - Welded Meter Body for All-Welded Remote Seal Solution. The welded ST 3000 meter body is an important part of an All-Welded Rem ote Seal Solution, which is commonly used in Vacuum applications.
34-ST-03-57 Page 5 Specifications Operating Conditions – All Models Parameter Reference Condition (at zero static) Rated Condition Operative Limits Transportation and Storage °C °F °C °F °C °F.
34-ST-03-57 Page 6 1Atm Special High Vacuum Construction required. Consult STC. 9000 8000 7000 6000 5000 4000 3000 2000 1000 Maximum Pressure Limited by Flange Rating of Seal 10000 900 800 700 600 500.
34-ST-03-57 Page 7 Note: A min imum of 250 ohms of loop re sistance is necessary to support communicat ions. Loop resistance equals ba rrier resistance plu s wire res istance plus rece iver resistanc e. = Operating Area 0 10.8 16.28 20.63 25 28.3 37.0 42.
34-ST-03-57 Page 8 Performance Under Rated Conditions * - Models STR94G (0 to 500 psi/35 bar) Parameter Description Upper Range Limit psi bar 500 35 Minimum Span psi bar 20 1.4 Turndown Ratio 25 to 1 Zero Elevation a nd Suppress ion No limit except minimum sp an from absolute 0 (zero) to +100% URL.
34-ST-03-57 Page 9 Physical and Approval Bodies Parameter Description Process Interface See Model Selection Guide f or Material Options for desir ed Seal Type.
34-ST-03-57 Page 10 Parameter Description Pressure Equipment Directive (97/23/EC) The ST 3000 pressure t ransmitters listed in t his Specificatio n have no pressurized internal volume or have a pr essurized internal volume rated less than 1,0 00 bar (14,500 psig) and/ or have a maximum volum e of less than 0.
34-ST-03-57 Page 11 Application Data Liquid Level: Closed Tank Determine the minimum and maximum pressure differentials to be measured (Figure 17). P Min = (SG p x a) - (SG f x d) = LRV when HP at bot.
34-ST-03-57 Page 12 Density or Interface Calculate the minimum and maximum pressure differentials to be measured (Figure 18). P min = (SG min – SG f ) x (d); minimum density, 4mA output P max = (SG .
34-ST-03-57 Page 13 Reference Dimensions: millimeters Inches STR93D DP/I Remote Seal with Horizontal Pipe Mount STR94G LGP/I Remote Seal with Horizontal Pipe Mount 24272 Seal omitted for clarity with meter Optional external ground 45.7 1.8 53.1 2.09 Removal Clearance for All Caps 82.
34-ST-03-57 Page 14 Reference Dimensions: millimeters Inches Seal omi t t ed f o r clar it y Optional ex te rnal ground wi th mete r 45. 7 1. 8 53. 1 2. 09 Rem ov al Cl ea r anc e fo r A l l C ap s 82. 9 3. 2 6 Wi th Smar t m eter Wi t h o u t meter 94.
34-ST-03-57 Page 15 Options Ordering Information Mounting Bracket The angle-mounting bracket is available in either zinc-plat ed carbon steel or stainless st eel and is suitable for horizontal or vertical mounting on a two-inch (50 millimeter) pipe, as well as wall mounting.
34-ST-03-57 Page 16 Model Selection Guide (34-ST-16-34) Instructions • Select the desired Key Number. The arrow to the right mar ks the selection availab le. • Make one selection from ea ch table, I and I I, using the column below the proper ar row.
34-ST-03-57 Page 17 TA BLE II - SEA LS Format for Seal Selection: Specify 12 ch aracter s _ _ _ _ _ _ _ _ _ _ _ _ Avai l a bi l it y Common Required Seal STR9xx Note: T he firs t 3 char acters ar e common t o all sea ls. When selecti ng required seal, yo u must specify 3D 4G only the 9 selec tions within t he requir ed seal.
34-ST-03-57 Page 18 A vai lability STR9xx TABLE II - SEA LS (continued) 3D 4G None _ _ _ _ _ _ _ _ _ _ _ 0 •• One 1/4" wi th plastic plug _ _ _ _ _ _ _ _ _ _ _ H 66 One 1/4" wi th metal .
34-ST-03-57 Page 19 A v ailability STR9xx TA BLE II - SEA LS (continued) 3D 4G Diaphragm Low er _ _ _ _ _ _ BA _ _ _ _ •• _ _ _ _ _ _ BB _ _ _ _ •• _ _ _ _ _ _ BC _ _ _ _ •• _ _ _ _ _ _ BE.
34-ST-03-57 Page 20 STR9xx TA BLE II - SEALS (continued) 3D 4 G 3.5" 3" _ _ _ GFA _ _ _ _ _ _ •• Diaphragm Body _ _ _ _ _ _ GA _ _ _ _ •• _ _ _ _ _ _ GB _ _ _ _ •• _ _ _ _ _ _ GC.
34-ST-03-57 Page 21 A vailability STR9xx TAB LE II - SEA LS (continued) 3D 4G _ _ _ JJG _ _ _ _ _ _ •• _ _ _ JKG _ _ _ _ _ _ •• _ _ _ JLG _ _ _ _ _ _ •• _ _ _ KJG _ _ _ _ _ _ •• _ _ _ .
34-ST-03-57 Page 22 STR9xx TA BLE II - SEA LS (continued) 3D 4G 1.9" 2" _ _ _ MD0 _ _ _ _ _ _ g • 2.4" 2-1/2" _ _ _ NE0 _ _ _ _ _ _ •• 2.
34-ST-03-57 Page 23 STR9xx TAB L E III - OPTIONS Selection 3D 4G None 00 •• Communication Options HART 5.x Protocol Compatible Electronics HC ee H6 ee FOUNDATION Fieldbus Communications FF rr Indi.
34-ST-03-57 Page 24 STR9xx TA BLE III - OPTIONS (continued) 3D 4G 9X • Multiple Marki ng** Int. Safe, Zone 0/1, or Flameproof, Zone 1, or Non-Sparking, Zone 2 *See ATEX installation requi rement.
34-ST-03-57 Page 25 RESTRICT IONS Restriction Letter Table Table Selection b _ _ _ _ _ _ BF _ _ _ _, _ _ _ _ _ _ BG _ _ _ _, _ _ _ _ _ _ BH _ _ _ _, _ _ _ _ _ _ JF _ _ _ _, _ _ _ _ _ _ JG _ _ _ _, _ _.
34-ST-03-57 Page 26 RESTRI CTIO NS - (co ntin ued) Table Table Selectio n u 1C, 2J v 2 _ _ w _ _ _ _ _ _ JA _ _ _ _ x FF, SM MB, SB, FB _ _ _ BCA _ _ 5 _ _ _, _ _ _ CAA _ _ 5 _ _ _, _ _ _ CCA _ _ 5 _ .
34-ST-03-57 Page 27 Dimensions and drawings Figure 20 a. Fl ush Fl a n ge d Se al Figure 20 b. Fl ush Fl a n ge d Seal 20a 20b 20b 20a 20a 20a 20a 20b 20b 20a 20a 20a 20a 20b 20b 20a 20a 20a 20a 20b 20b 20a 20a 20a Figure 21 a. Fl ush Fl a n ge d Se al Figure 21 b.
34-ST-03-57 Page 28 Dimensions and drawings, cont. Figure 21 Figure 22 Figure 22 Figure 23.
34-ST-03-57 Page 29 Dimensions and drawings, cont. Figure 23 Figure 24 Figure 25 Figure 24 Figure 25 Figure 26.
34-ST-03-57 Page 30 Dimensions and drawings, cont. Figure 26 Figure 27 Figure 27 Figure 28.
34-ST-03-57 Page 31 Dimensions and drawings, cont. Figure 28 Figure 29 Figure 29 Figure 30 Figure 20 Figure 20 Figure 30 Figure 20 Figure 20 Figure 31.
34-ST-03-57 Page 32 ST 3000 ® is a registered trademark of Honeywell International Inc. FOUNDATION ™ is a trademark of the Fieldbus Foun dation. HART* is a trademark of the Ha rt Communication Foundation. Honeywell Process Solutio ns Industrial Measurement a nd Control Honeywell International Inc.
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