Field Instruments

General

Part of the SmartLine® family of products, the STF700 is a flange mounted level transmitter suitable for monitoring, control and data acquisition featuring piezoresistive sensor technology. STF700 transmitters may be directly mounted onto a tank flange and are offered with a variety of tank connections including various flush and extended diaphragm configurations. STF700 offers high accuracy and stability over a wide range of level applications. The SmartLine family is also fully tested and compliant with Experion ® PKS providing the highest level of compatibility assurance and integration capabilities. SmartLine easily meets the most demanding application needs for pressure measurement applications.

Features

• Accuracies up to 0.05% of span standard & 0.04% of span optional
• Stability up to 0.02% of URL per year for 10 years
• Automatic static pressure & temperature compensation
• Rangeability up to 100:1
• Response times as fast as 100ms
• Alphanumeric display capabilities
• External zero, span, & configuration capability
• Polarity insensitive electrical connections
• Comprehensive on-board diagnostic capabilities
• Integral Dual Seal design for highest safety based on ANSI/NFPA 70-202 and ANSI/ISA 12.27.0
• World class overpressure protection
• Full compliance to SIL 2/3 requirements.
• Modular design characteristics
• Available with additional 4-year warranty

Specifications

• Make: Honeywell  

• Model: Product No. : STF725-E1AC4A-W1F-C-CHS-11S-A-00A0-0000
• Product type : STF700 Flange Mounted Liquid Level Transmitter
• STF725 : Measurement Range = 400/(1000) URL, -400/(-1000) LRL, 400/(1000) Max span, 4.0 (10) min span, " H2O (mbar) units.
• E = Flush Design, 316 SS Ref. Head, 316 SS Vent Drain Valve on Ref. Head, 316L SS Diaphrm. Plate (wetted).
• Fill Fluid (Meter Body & Flange) : 1 = Silicone Oil 200
• Process Connection : A = 1/4 NPT Reference Head, High Pressure Side Flange.
• Bolts for Process Heads : C = Carbon Steel Bolts
• Vent/Drain Type/Location : 4 = Dual Ended Head Type, Std Vent Type, End Location, Matches Head Material Vent Material
• Gasket Material : A = Teflon® or PTFE (Glass Filled)
• Flange (ANSI Flanges have 125-500 AARH Surface Finish) : W = 2" ANSI Class 150, 316 SS (non-wetted), Flange Material, 304 SS (non-wetted) Threaded Nut Ring Material.
• Gasket Ring (wetted) : 1 = Flush Design, 316L SS
• Extension (wetted) No Selection Sel. 1 : F = Flush
• Approvals : C = ATEX Explosion proof, Intrinsically Safe & Non-incendive
• Electronic Housing Material & Connection Type :C = Polyester Powder Coated Aluminum material, 1/2 NPT Connection.
• Output/ Protocol : H = 4-20mA dc Analog Output, HART Protocol
• Customer Interface Selections : S = Standard (w/Internal Zero,Span & Config Buttons) indicator, English.
• Application Software : 1 = Standard Diagnostics
• Output Limit, Failsafe & Write Protect Settings : 1 = Disabled Write Protect, High> 21.0mAdc Fail Mode, Honeywell Std (3.8 - 20.8 mAdc) High & Low Output Limits.
• General Configuration : S = Factory Standard
• Accuracy and Calibration : A = Standard accuracy, Factory Std, Calibrated Range, Single Calibration.
• Mounting Bracket : 0 = None (not required with flange mount unit)
• Customer Tag : 0 = No customer tag
• Unassembled Conduit Plugs & Adapters : A0 = No Conduit Plugs or Adapters Required
• Factory : 0000 = Factory Identification

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk