Honeywell SmartLine SMV800 Multivariable Mass Flow Transmitter

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Dual head multivariable smart mass flow transmitter for pressure and temperature compensation of mass flows, integrated absolute pressure measurement. RTD or universal temperature input, 4-20 mA/HART or Modbus outputs, optional DE protocol for legacy replacement to ST3000 SMVs. FM, CSA, ATEX approvals, SIL 2/3 certified.

Honeywell’s SMV800 SmartLine multivariable mass flow transmitter simultaneously measures three separate process variables according to standard industry methods for air, gases, steam, and liquids. The transmitter also calculates compensated mass or standardized volumetrci flow rate as a fourth process variable.

The SMV800 combines integrated sensor and microprocessor technologies, as well as dynamic flow compensation, to produce the most accurate and consistent flow measurement possible. The transmitter can measure differential pressure across a primary flow element (averaging pitot tube, venturi, flow nozzle, orifice plate, V-Cone, wafer cone, or wedge); static process pressure from a single sensor; and process temperature from a thermocouple or RTD input.

Its flexible firmware allows mass flow calculation for liquids, gases, and steam, including compensation of pressure and/or temperature as well as more complex variables such as viscosity, discharge coefficient, thermal expansion factor, velocity of approach factor, and gas expansion factor. Digital integration via HART or DE with Honeywell control systems provides local measurement accuracy to the system level without adding typical analog-to-digital (A/D) and digital-to-analog (D/A) converter errors. This product replaces the retired SMV3000 SmartLine Transmitter.

  • Accuracy of up to ±0.04% for differential pressure, up to ±0.0375% for static pressure, up to 0.2°C for temperature and up to 0.6% for mass flow
  • Universal temperature input option
  • Built-in static pressure and temperature compensation
  • Rangeability up to 400:1
  • Compensated flow response time of up to 2x per second
  • External zero, span, and configuration capabilities
  • 4-20 mA DC analog, Honeywell DE, HART® 7.0, and RS-485 Modbus RTU communications/output options
  • Built-in fail-safe feature for flow measurement
  • Polarity insensitive electrical connections
  • World-class overpressure protection
  • Integral three-button, handheld communicator, or PC configuration options
  • Integral dual seal design for highest safety based on ANSI/NFPA 70-202 and ANSI/ISA 12.27.0 standards
  • Advanced graphic LCD: Eight configurable screens for process variables, bargraphs, and trends
  • Full compliance to SIL2 and SIL3 requirements standard

Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626

Description Catalog Number Availability
Measuring Range Differential Pressure Static Pressure    
-25" to 25" H2O 0 to 100 PSIA SMA810    
-400" to 400" H2O 0 to 1500 PSIA SMA845    
-400" to 400" H2O -14.7 to 4500 PSIG SMA870
Temperature RTD Input S1-
Universal Input (RTD & Thermocouple) S2-
Future No Digital Output 0-
Wetted Materials Plated Carbon Steel Process Head, 316L SS Diaphragm A_ _ _ _ _-
316L SS Process Head, 316L SS Diaphragm E_ _ _ _ _-
Hastelloy C-276 Process Head and Diaphragm J_ _ _ _ _-  
Monel 400 Process Head and Diaphragm L_ _ _ _ _-  
Fill Fluid Silicone Oil 200 _1_ _ _ _-
Fluorinated Oil CTFE _2_ _ _ _-  
Process Connection 1/4" NPTF Thread (Standard) _ _A_ _ _-
1/2" NPTF (for Carbon Steel/Stainless Steel Heads) _ _H_ _ _-
1/2" NPTF (for Hastelloy C-276 or Monel Heads) _ _H_ _ _-  
Vent/Drain Single-Ended Head, No Vent/Drain _ _ _ _1_-
Dual-Ended Head, Side Vent, End Plug _ _ _ _6_-
Gasket Teflon or PTFE (Glass-Filled) _ _ _ _ _A-
Viton or Fluorocarbon Elastomer _ _ _ _ _B-
Head Connection High Side Left, Low Side Right, Standard Orientation 1-
Low Side Left, High Side Right, Standard Orientation 2-
Approvals None 0
FM Approved A
CSA Approved B
Housing Aluminum Housing, 1/2" NPT Connection A_ _-
Aluminum Housing, 1/2" NPT Connection, Lightning Protection C_ _-
316 SS Housing, 1/2" NPT Connection E_ _-
316 SS Housing, 1/2" NPT Connection, Lightning Protection G_ _-
Output 4-20mA DC Analog Output, HART® v7 _H_-
4-20mA DC Analog Output, Honeywell DE Protocol _D_-
Interface No Indicator, No External Zero/Span _ _0-
No Indicator, External Zero/Span _ _A-
Indicator, External Zero/Span, English/Euro Languages _ _E-
Indicator, External Zero/Span, English/Asain Languages _ _J_
Software Standard Diagnostics 1_ _-
Failsafe/Write Protection Fail High (> 21.0 mA DC), Write Protect Disabled _1_-
Fail Low (< 3.6 mA DC), Write Protect Disabled _2_-
Fail High (> 21.0 mA DC), Write Protect Disabled _3_-
Fail Low (< 3.6 mA DC), Write Protect Disabled _4_-
Configuration Factory Standard _ _S-
Calibration Standard Accuracy, Factory Std Single Calibration Range A-
Mounting Bracket Carbon Steel Angle Bracket 1_ _ _-
Stainless Steel Angle Bracket 3_ _ _-
Tagging None _0_ _-
One-Wired SS Tag (Up to 4 Lines, 26 Char/Line) _1_ _-
Adapters No Conduit Plugs or Adapters Required _ _A0-
Options (Separate Option Choices with a Comma)
Certifications None 0
F3391 Certificate of Conformance F3
F3392 Overpressure Leak Test Certificate (1.5X MAWP) TP
Extended Warranty Additional 1 Year 01
Additional 2 Years 02
Additional 3 Years 03
Additional 4 Years 04
Additional 5 Years 05
Factory Factory Identification 0000
More Information
SIL-Rated Yes
Flow Technology Differential Pressure Mass Flow
Measuring Range -25" to 400" H2O dP, 0 PSIA to 4500 PSIG static pressure
Wetted Materials Carbon steel, stainless steel, Hastelloy C-276, Monel 400
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