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smartline st800 pressure transmitters

SmartLine STR800 - Remote Diaphragm

SmartLine® ST800 Remote Diaphragm Seal Transmitters provide accurate measurement for a wide variety of applications involving corrosive or high-temperature process fluids.

Overview
Honeywell offers the following ST800 Remote Diaphragm Seal Transmitters:
  • Flush flange seals
  • Flange seal with extended diaphragm
  • Pancake seals
  • Sanitary seals
  • Chemical tee Taylor wedge
  • Seals with threaded process connections
  • Saddle seals
  • Calibration rings
  • Stainless steel armor and PVC-coated, stainless steel armor capillaries
  • 2” stainless steel nipples
  • Welded meter body 
Five transmitter series are available:

 STR82D 0-400 inH2O 0-1000 mbar
 STR83D 0-100 psig 0-7 bar
 STR84G 0-500 psig 0-35 bar
 STR87G 0-3000 psig 0-210 bar
 STR84A 0-500 psia 0-35 bara
Specifications

Processing & Performance Metrics

  • Accuracy
    • Up to 0.0375% of span

Mechanical & Physical Properties

  • Wetted Materials
    • 316L Stainless Steel, Monel®, Hastelloy® C, Tantalum

Electrical Specifications

  • Supply Voltage
    • DE: 15 to 49.3 VDC
    • FF: 9 to 32 VDC
    • HART: 10.8 to 42.4 VDC

Functional & Control Features

  • Sensor Technology
    • High performance piezo-resistive sensor
  • Diagnostics
    • Comprehensive On-board Diagnostics, Critical/Non-Critical, Health Watch indication

Technical Specifications

  • Seal Type
    • Flush Flanged, Extended Diaphragm, Pancake, Chemical Tee, Threaded, Sanitary, Saddle, Calibration Ring
  • Display Options
    • Modular LCD (Alphanumeric or Advanced Graphics), Multiple screens, Configurable units
  • Diaphragm Size
    • 2.4, 2.9, 3., 4.1 in (varies by seal type and application) inch

Standards & Certifications

  • Safety Approvals
    • ANSI/NFPA 70-202, ANSI/ISA 12.27.0, IEC 61508 SIL 2/3
  • Overpressure Protection
    • World Class, SIL 2/3 Compliant
  • Lightning Protection
    • 10uA max @ 42.4VDC, Impulse rating: 8/20us 5000A
  • Approvals
    • FM, CSA, ATEX, IECEx, NEPSI, KOSHA, EAC, CCoE, UATR, SAEx, INMETRO, Marine (ABS, BV, DNV, KR, LR), IEC 61508 SIL 2/3

Environmental Conditions

  • Relative Humidity
    • 0 to 100% RH
  • Rangeability
    • Up to 100:1
  • Measurement Type
    • Gauge, Differential, Absolute Pressure
  • Maximum Allowable Working Pressure (MAWP)
    • Up to 3,000 psig (210 bar) depending on model and construction
  • Ambient Temperature Limits
    • -55 to +90 deg C (-67 deg F to 194 deg F)

Communication & Protocols

  • Output/Communications
    • Honeywell DE, HART (v7.0), FOUNDATION Fieldbus
  • Digital Protocols
    • HART 7, DE, FOUNDATION Fieldbus ITK 6.0.1

Overview

  • Models
    • STR82D, STR83D, STR84D, STR87D, STR84A

I/O Capabilities

  • Marine Certification
    • ABS, BV, DNV, KR, LR
  • Configuration
    • External Zero, Span & Configuration Capability; Three-Button Local Configuration
  • Compensation
    • Automatic static pressure & temperature compensation
  • Analog Output
    • Two-wire, 4 to 20 mA (HART & DE only)

Material Specifications

  • Electronic Housing
    • Polyester Powder-Coated Aluminum (<0.4% Cu), Optional 316/316L Stainless Steel, IP66/IP67

Applications & Compatibility

  • Electromagnetic Compatibility
    • IEC 61326-3-1

Processing & Performance Metrics

  • Accuracy
    • Up to 0.0375% of span

Mechanical & Physical Properties

  • Wetted Materials
    • 316L Stainless Steel, Monel®, Hastelloy® C, Tantalum

Electrical Specifications

  • Supply Voltage
    • DE: 15 to 49.3 VDC
    • FF: 9 to 32 VDC
    • HART: 10.8 to 42.4 VDC

Functional & Control Features

  • Sensor Technology
    • High performance piezo-resistive sensor
  • Diagnostics
    • Comprehensive On-board Diagnostics, Critical/Non-Critical, Health Watch indication

Technical Specifications

  • Seal Type
    • Flush Flanged, Extended Diaphragm, Pancake, Chemical Tee, Threaded, Sanitary, Saddle, Calibration Ring
  • Display Options
    • Modular LCD (Alphanumeric or Advanced Graphics), Multiple screens, Configurable units
  • Diaphragm Size
    • 2.4, 2.9, 3., 4.1 in (varies by seal type and application) inch

Standards & Certifications

  • Safety Approvals
    • ANSI/NFPA 70-202, ANSI/ISA 12.27.0, IEC 61508 SIL 2/3
  • Overpressure Protection
    • World Class, SIL 2/3 Compliant
  • Lightning Protection
    • 10uA max @ 42.4VDC, Impulse rating: 8/20us 5000A
  • Approvals
    • FM, CSA, ATEX, IECEx, NEPSI, KOSHA, EAC, CCoE, UATR, SAEx, INMETRO, Marine (ABS, BV, DNV, KR, LR), IEC 61508 SIL 2/3

Environmental Conditions

  • Relative Humidity
    • 0 to 100% RH
  • Rangeability
    • Up to 100:1
  • Measurement Type
    • Gauge, Differential, Absolute Pressure
  • Maximum Allowable Working Pressure (MAWP)
    • Up to 3,000 psig (210 bar) depending on model and construction
  • Ambient Temperature Limits
    • -55 to +90 deg C (-67 deg F to 194 deg F)

Communication & Protocols

  • Output/Communications
    • Honeywell DE, HART (v7.0), FOUNDATION Fieldbus
  • Digital Protocols
    • HART 7, DE, FOUNDATION Fieldbus ITK 6.0.1

Overview

  • Models
    • STR82D, STR83D, STR84D, STR87D, STR84A

I/O Capabilities

  • Marine Certification
    • ABS, BV, DNV, KR, LR
  • Configuration
    • External Zero, Span & Configuration Capability; Three-Button Local Configuration
  • Compensation
    • Automatic static pressure & temperature compensation
  • Analog Output
    • Two-wire, 4 to 20 mA (HART & DE only)

Material Specifications

  • Electronic Housing
    • Polyester Powder-Coated Aluminum (<0.4% Cu), Optional 316/316L Stainless Steel, IP66/IP67

Applications & Compatibility

  • Electromagnetic Compatibility
    • IEC 61326-3-1
  • Accuracy : Up to 0.0375% of span
  • Wetted Materials : 316L Stainless Steel, Monel®, Hastelloy® C, Tantalum
  • Supply Voltage : DE: 15 to 49.3 VDC|FF: 9 to 32 VDC|HART: 10.8 to 42.4 VDC
  • Sensor Technology : High performance piezo-resistive sensor
  • Seal Type : Flush Flanged, Extended Diaphragm, Pancake, Chemical Tee, Threaded, Sanitary, Saddle, Calibration Ring
  • Safety Approvals : ANSI/NFPA 70-202, ANSI/ISA 12.27.0, IEC 61508 SIL 2/3
  • Relative Humidity : 0 to 100% RH
  • Rangeability : Up to 100:1
  • Overpressure Protection : World Class, SIL 2/3 Compliant
  • Output/Communications : Honeywell DE, HART (v7.0), FOUNDATION Fieldbus
  • Models : STR82D, STR83D, STR84D, STR87D, STR84A
  • Measurement Type : Gauge, Differential, Absolute Pressure
  • Maximum Allowable Working Pressure (MAWP) : Up to 3,000 psig (210 bar) depending on model and construction
  • Marine Certification : ABS, BV, DNV, KR, LR
  • Lightning Protection : 10uA max @ 42.4VDC, Impulse rating: 8/20us 5000A
  • Electronic Housing : Polyester Powder-Coated Aluminum (<0.4% Cu), Optional 316/316L Stainless Steel, IP66/IP67
  • Electromagnetic Compatibility : IEC 61326-3-1
  • Display Options : Modular LCD (Alphanumeric or Advanced Graphics), Multiple screens, Configurable units
  • Digital Protocols : HART 7, DE, FOUNDATION Fieldbus ITK 6.0.1
  • Diaphragm Size : 2.4, 2.9, 3., 4.1 in (varies by seal type and application) inch
  • Diagnostics : Comprehensive On-board Diagnostics, Critical/Non-Critical, Health Watch indication
  • Configuration : External Zero, Span & Configuration Capability; Three-Button Local Configuration
  • Compensation : Automatic static pressure & temperature compensation
  • Approvals : FM, CSA, ATEX, IECEx, NEPSI, KOSHA, EAC, CCoE, UATR, SAEx, INMETRO, Marine (ABS, BV, DNV, KR, LR), IEC 61508 SIL 2/3
  • Analog Output : Two-wire, 4 to 20 mA (HART & DE only)
  • Ambient Temperature Limits : -55 to +90 deg C (-67 deg F to 194 deg F)
Brochure
Name
Description
File Size
Date
Size
SmartLine® ST800 Absolute Pressure Transmitters are used in vacuum applications that require high accuracy. The transmitters are ideal for low-pressure measurement in vacuum distillation columns.
application/pdf 575.21 KB
10/31/2023
575.21 KB
SmartLine® ST700 Absolute Pressure Transmitters are targeted at applications requiring robust performance in vacuum applications.This includes low-pressure measurement in vacuum distillation columns.
application/pdf 5.39 MB
10/31/2023
5.39 MB
Our SmartLine ST800 Pressure Transmitters include absolute pressure, gauge pressure, draft range pressure, flanged and remote seal transmitters.
application/pdf 863.51 KB
7/1/2023
863.51 KB
Download the latest family brochure for SmartLine. This covers the new features of all Temperature, Pressure, Multivariable and many more transmitters that Honeywell has to offer.
application/pdf 14.99 MB
1/29/2024
14.99 MB
Data Sheet
Name
Description
File Size
Date
Size
Pressure_ST800_ST700_FirmwareReleaseSet13_R511
application/pdf 113.92 KB
1/14/2026
113.92 KB
STR800 SmartLine Remote Diaphragm Seals Technical Specification 34-ST-03-88
application/pdf 3.18 MB
12/17/2025
3.18 MB
HART DTMs for ST 800, ST 700, SMV800, STT850, STT650, STT750, STT700, ST 3000, and STT 250 products. Device configuration parameters are organized under Configuration, Monitoring, Diagnostics and Maintenance giving a good user experience.
application/pdf 109.55 KB
10/31/2023
109.55 KB
HART DTMs for ST 800, ST 700, SMV800, STT850, STT650, STT750, STT700, ST 3000, and STT 250 products. Unzip the package and see the Release notes for more details
application/pdf 125.22 KB
9/15/2022
125.22 KB
Pressure_ST800_ST700_FirmwareReleaseSet13_R511
application/pdf 122.35 KB
10/31/2023
122.35 KB
Pressure_ST800_ST700_FirmwareReleaseSet14_R511.1
application/pdf 118.56 KB
10/31/2023
118.56 KB
STR800 Remote Seal Diaphragm Specsheet-(CN)
application/pdf 1.76 MB
6/6/2022
1.76 MB
White Paper
Name
Description
File Size
Date
Size
White Paper detailing the materials selected and used in the construction of Honeywell pressure transmitters for process control systems in processing industries.
application/pdf 1.92 MB
6/8/2022
1.92 MB
Name
Description
File Size
Date
Size
Pressure_ST800_ST700_FirmwareReleaseSet13_R511
application/pdf 113.92 KB
1/14/2026
113.92 KB
STR800 SmartLine Remote Diaphragm Seals Technical Specification 34-ST-03-88
application/pdf 3.18 MB
12/17/2025
3.18 MB
HART DTMs for ST 800, ST 700, SMV800, STT850, STT650, STT750, STT700, ST 3000, and STT 250 products. Device configuration parameters are organized under Configuration, Monitoring, Diagnostics and Maintenance giving a good user experience.
application/pdf 109.55 KB
10/31/2023
109.55 KB
SmartLine® ST800 Absolute Pressure Transmitters are used in vacuum applications that require high accuracy. The transmitters are ideal for low-pressure measurement in vacuum distillation columns.
application/pdf 575.21 KB
10/31/2023
575.21 KB
SmartLine® ST700 Absolute Pressure Transmitters are targeted at applications requiring robust performance in vacuum applications.This includes low-pressure measurement in vacuum distillation columns.
application/pdf 5.39 MB
10/31/2023
5.39 MB
Our SmartLine ST800 Pressure Transmitters include absolute pressure, gauge pressure, draft range pressure, flanged and remote seal transmitters.
application/pdf 863.51 KB
7/1/2023
863.51 KB
HART DTMs for ST 800, ST 700, SMV800, STT850, STT650, STT750, STT700, ST 3000, and STT 250 products. Unzip the package and see the Release notes for more details
application/pdf 125.22 KB
9/15/2022
125.22 KB
Pressure_ST800_ST700_FirmwareReleaseSet13_R511
application/pdf 122.35 KB
10/31/2023
122.35 KB
White Paper detailing the materials selected and used in the construction of Honeywell pressure transmitters for process control systems in processing industries.
application/pdf 1.92 MB
6/8/2022
1.92 MB
Pressure_ST800_ST700_FirmwareReleaseSet14_R511.1
application/pdf 118.56 KB
10/31/2023
118.56 KB
STR800 Remote Seal Diaphragm Specsheet-(CN)
application/pdf 1.76 MB
6/6/2022
1.76 MB
Download the latest family brochure for SmartLine. This covers the new features of all Temperature, Pressure, Multivariable and many more transmitters that Honeywell has to offer.
application/pdf 14.99 MB
1/29/2024
14.99 MB
Name
Description
File Size
Date
Size
SmartLine® ST800 Absolute Pressure Transmitters are used in vacuum applications that require high accuracy. The transmitters are ideal for low-pressure measurement in vacuum distillation columns.
575.21 KB
10/31/2023
SmartLine® ST700 Absolute Pressure Transmitters are targeted at applications requiring robust performance in vacuum applications.This includes low-pressure measurement in vacuum distillation columns.
5.39 MB
10/31/2023
Our SmartLine ST800 Pressure Transmitters include absolute pressure, gauge pressure, draft range pressure, flanged and remote seal transmitters.
863.51 KB
7/1/2023
Download the latest family brochure for SmartLine. This covers the new features of all Temperature, Pressure, Multivariable and many more transmitters that Honeywell has to offer.
14.99 MB
1/29/2024
Pressure_ST800_ST700_FirmwareReleaseSet13_R511
113.92 KB
1/14/2026
STR800 SmartLine Remote Diaphragm Seals Technical Specification 34-ST-03-88
3.18 MB
12/17/2025
HART DTMs for ST 800, ST 700, SMV800, STT850, STT650, STT750, STT700, ST 3000, and STT 250 products. Device configuration parameters are organized under Configuration, Monitoring, Diagnostics and Maintenance giving a good user experience.
109.55 KB
10/31/2023
HART DTMs for ST 800, ST 700, SMV800, STT850, STT650, STT750, STT700, ST 3000, and STT 250 products. Unzip the package and see the Release notes for more details
125.22 KB
9/15/2022
Pressure_ST800_ST700_FirmwareReleaseSet13_R511
122.35 KB
10/31/2023
Pressure_ST800_ST700_FirmwareReleaseSet14_R511.1
118.56 KB
10/31/2023
STR800 Remote Seal Diaphragm Specsheet-(CN)
1.76 MB
6/6/2022
White Paper detailing the materials selected and used in the construction of Honeywell pressure transmitters for process control systems in processing industries.
1.92 MB
6/8/2022
Name
Description
File Size
Date
Size
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