Honeywell STR94G - Manuals

34-ST-03-57 Page 6 1Atm Special High Vacuum Construction required. Consult STC. 9000 8000 7000 600050004000 3000 2000 1000 Maximum Pressure Limited by Flange Rating of Seal 10000 900 800 700 600 500400 300 200 100 90 80 70 60504030 20 10 Pressure (mmHgA) -40 5 25 30 0 100 175 350 450 200 300 400 500...

34-ST-03-57 Page 7 Note: A minimum of 250 ohms of loop resistance is necessary to support communications. Loop resistance equals barrier resistance plus wire resistance plus receiver resistance. = Operating Area 0 10.8 16.28 20.63 25 28.3 37.0 42.4 1440 1200 800 650 450 250 Operating Voltage (Vdc) L...

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 and Suppression No limit except minimum span from absolute 0 (zero) to +100% URL. Acc...

34-ST-03-57 Page 9 Physical and Approval Bodies Parameter Description Process Interface See Model Selection Guide for Material Options for desired Seal Type. Seal Barrier Diaphragm 316L Stainless Steel, Monel, Hastelloy C, Tantalum Seal Gasket Materials Klinger C-4401 (non-asbestos) Grafoil Teflon G...

34-ST-03-57 Page 11 Application Data Liquid Level: Closed Tank Determine the minimum and maximum pressure differentials to be measured (Figure 17). PMin = (SGp x a) - (SGf x d) = LRV when HP at bottom of tank = –URV when LP at bottom of tank PMax = (SGp x b) - (SGf x d) = URV when HP at bottom of ta...

34-ST-03-57 Page 12 Density or Interface Calculate the minimum and maximum pressure differentials to be measured (Figure 18). Pmin = (SGmin – SGf) x (d); minimum density, 4mA output Pmax = (SGmax – SGf) x (d); maximum density, 20mA output Where: d = distance between the taps SGmax = maximum Specific...

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 82.9 3.26 With Smar...

34-ST-03-57 Page 14 Reference Dimensions: millimeters Inches Sealomitted forclarity Optionalexternalground with meter 45.7 1.8 53.12.09 RemovalClearancefor All Caps 82.93.26 W ithSmart meter W ithout meter 94.93.74 65.12.56 W ithout meter 23.5.925 STR93D DP/I Remote Seal with Vertical Pipe Mount Opt...

34-ST-03-57 Page 15 Options Ordering Information Mounting Bracket The angle-mounting bracket is available in either zinc-plated carbon steel or stainless steel and is suitable for horizontal or vertical mounting on a two-inch (50 millimeter) pipe, as well as wall mounting. An optional flat 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 marks the selection available. • Make one selection from each table, I and II, using the column below the proper arrow. • S elect as many Table III options as desired (if no o...

34-ST-03-57 Page 17 TABLE II - SEALS Format for Seal Selection: Specify 12 characters _ _ _ _ _ _ _ _ _ _ _ _ Availability Common Required Seal STR9xx Note: The first 3 characters are common to all seals.When selecting required seal, you must specify 3D 4G only the 9 selections within the required s...

34-ST-03-57 Page 23 STR9xx TABLE III - OPTIONS Selection 3D 4G None 00 • • Communication Options HART 5.x Protocol Compatible Electronics HC e e H6 e e FOUNDATION Fieldbus Communications FF r r Indicating Meter Options Analog Meter (0-100 Even 0-10 Square Root) ME • • Smart Meter SM • • Custom Confi...

34-ST-03-57 Page 27 Dimensions and drawings Figure 20a. Flush Flanged Seal Figure 20b. Flush Flanged Seal 20a 20b20b20a20a20a 20a 20b20b20a20a20a 20a 20b20b20a20a20a 20a 20b20b20a20a20a Figure 21a. Flush Flanged Seal Figure 21b. Flush Flanged Seal 21a 21b21b21a21a21a 21a 21b21b21a21a21a 21a 21b21b21...

34-ST-03-57 Page 32 ST 3000 ® is a registered trademark of Honeywell International Inc. FOUNDATION ™ is a trademark of the Fieldbus Foundation. HART* is a trademark of the Hart Communication Foundation. Honeywell Process Solutions Industrial Measurement and Control Honeywell International Inc. 2500 ...