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smartline st700 pressure transmitters

Absolute Pressure Transmitter - SmartLine STA700

SmartLine® ST700 Absolute Pressure Transmitters are targeted at applications requiring robust performance in vacuum applications.This includes low-pressure measurement in vacuum distillation columns.

Overview
The ST700 Absolute Pressure Transmitters are available in two variants – In-line and Dual Head – in the following ranges:

STA722/STA725/STA72L/STA72S 0 to 780 mmHga    (0 to 1,040 mbara)
STA740/STA745/STA74L/STA74S        0 to 500 psia   (0 to 35 bara)
STA77L/STA77S 0 to 3000 psia     (0 to 210 bara)

SmartLine transmitters deliver superior reliability and an unmatched user experience. Discover the value of SmartLine for all your projects. Know more:  https://smartlineinfographic.com/
Specifications

Processing & Performance Metrics

  • Accuracy
    • Up to 0.055% of span (standard), 0.04% (optional)
    • Up to 0.065% of span
  • Maximum Turndown Ratio
    • STA722/72L: 15.6:1
    • STA740/74L: 100:1

Wiring / Mechanical & Physical Properties

  • Wiring
    • Up to 16 AWG (1.5 mm diameter)

Mechanical & Physical Properties

  • Wetted Materials
    • Diaphragm: 316L Stainless Steel, Hastelloy C-276, Monel 400, Tantalum

Electrical Specifications

  • Supply Voltage
    • DE: 15 to 49.3 VDC
    • FF: 9 to 32 VDC
    • HART: 10.8 to 42.4 VDC (IS limited to 30 VDC)
  • Pressure Range
    • STA722/72L: 780 mmHgA (0-780 mmHgA, min span 50 mmHgA)
    • STA740/74L: 500 psia (0-500 psia, min span 5 psia)

Environmental Conditions

  • Stability
    • Up to 0.02% of URL per year for 10 years
  • Relative Humidity
    • 0 to 100% RH
  • Rangeability
    • Up to 100:1
  • Measurement Type
    • Absolute Pressure (psia, mmHgA, barA)
  • Maximum Allowable Working Pressure (MAWP)
    • STA722/72L: 780 mmHgA (1,040 mbarA)
    • STA740/74L: 500 psia (35 barA)
  • Ambient Temperature Limits
    • -40 to +85 deg C (Operation)
    • -55 to +120 deg C (Storage)
    • LCD: -20 to +70 deg C (Operation)

Standards & Certifications

  • Safety Approvals
    • SIL 2/3 certified, Dual Seal design, NAMUR NE-43 compliance, World class overpressure protection
  • Approvals
    • FM, CSA, ATEX, IECEx, NEPSI, KOSHA, EAC, CCoE, UATR, SAEx, INMETRO, Marine (ABS, BV, DNV, KR, LR), IEC 61508 SIL 2/3

I/O Capabilities

  • Process Connection Type
    • 1/2 in NPT (Female), DIN 19213, 1/2 in NPT (Male), 9/16 Aminco, G1/2-B Male Thread
  • Configuration
    • External Zero, Span, & Configuration Capability; Two or Three-Button Local Configuration

Communication & Protocols

  • Output/Communications
    • 4 to 20 mA, HART (v7.0), Honeywell Digitally Enhanced (DE), Foundation Fieldbus (optional)

Overview

  • Models
    • STA722/STA72L/STA740/STA74L

Technical Specifications

  • Display Options
    • Modular LCD (Alphanumeric or Advanced Graphics), Multiple Screens, Configurable Units, Multi-Language

Functional & Control Features

  • Diagnostics
    • Comprehensive On-board Diagnostics, Critical/Non-Critical, SIL 2/3 Certified

Processing & Performance Metrics

  • Accuracy
    • Up to 0.055% of span (standard), 0.04% (optional)
    • Up to 0.065% of span
  • Maximum Turndown Ratio
    • STA722/72L: 15.6:1
    • STA740/74L: 100:1

Wiring / Mechanical & Physical Properties

  • Wiring
    • Up to 16 AWG (1.5 mm diameter)

Mechanical & Physical Properties

  • Wetted Materials
    • Diaphragm: 316L Stainless Steel, Hastelloy C-276, Monel 400, Tantalum

Electrical Specifications

  • Supply Voltage
    • DE: 15 to 49.3 VDC
    • FF: 9 to 32 VDC
    • HART: 10.8 to 42.4 VDC (IS limited to 30 VDC)
  • Pressure Range
    • STA722/72L: 780 mmHgA (0-780 mmHgA, min span 50 mmHgA)
    • STA740/74L: 500 psia (0-500 psia, min span 5 psia)

Environmental Conditions

  • Stability
    • Up to 0.02% of URL per year for 10 years
  • Relative Humidity
    • 0 to 100% RH
  • Rangeability
    • Up to 100:1
  • Measurement Type
    • Absolute Pressure (psia, mmHgA, barA)
  • Maximum Allowable Working Pressure (MAWP)
    • STA722/72L: 780 mmHgA (1,040 mbarA)
    • STA740/74L: 500 psia (35 barA)
  • Ambient Temperature Limits
    • -40 to +85 deg C (Operation)
    • -55 to +120 deg C (Storage)
    • LCD: -20 to +70 deg C (Operation)

Standards & Certifications

  • Safety Approvals
    • SIL 2/3 certified, Dual Seal design, NAMUR NE-43 compliance, World class overpressure protection
  • Approvals
    • FM, CSA, ATEX, IECEx, NEPSI, KOSHA, EAC, CCoE, UATR, SAEx, INMETRO, Marine (ABS, BV, DNV, KR, LR), IEC 61508 SIL 2/3

I/O Capabilities

  • Process Connection Type
    • 1/2 in NPT (Female), DIN 19213, 1/2 in NPT (Male), 9/16 Aminco, G1/2-B Male Thread
  • Configuration
    • External Zero, Span, & Configuration Capability; Two or Three-Button Local Configuration

Communication & Protocols

  • Output/Communications
    • 4 to 20 mA, HART (v7.0), Honeywell Digitally Enhanced (DE), Foundation Fieldbus (optional)

Overview

  • Models
    • STA722/STA72L/STA740/STA74L

Technical Specifications

  • Display Options
    • Modular LCD (Alphanumeric or Advanced Graphics), Multiple Screens, Configurable Units, Multi-Language

Functional & Control Features

  • Diagnostics
    • Comprehensive On-board Diagnostics, Critical/Non-Critical, SIL 2/3 Certified
  • Accuracy : Up to 0.055% of span (standard), 0.04% (optional)|Up to 0.065% of span
  • Wiring : Up to 16 AWG (1.5 mm diameter)
  • Wetted Materials : Diaphragm: 316L Stainless Steel, Hastelloy C-276, Monel 400, Tantalum
  • Supply Voltage : DE: 15 to 49.3 VDC|FF: 9 to 32 VDC|HART: 10.8 to 42.4 VDC (IS limited to 30 VDC)
  • Stability : Up to 0.02% of URL per year for 10 years
  • Safety Approvals : SIL 2/3 certified, Dual Seal design, NAMUR NE-43 compliance, World class overpressure protection
  • Relative Humidity : 0 to 100% RH
  • Rangeability : Up to 100:1
  • Process Connection Type : 1/2 in NPT (Female), DIN 19213, 1/2 in NPT (Male), 9/16 Aminco, G1/2-B Male Thread
  • Pressure Range : STA722/72L: 780 mmHgA (0-780 mmHgA, min span 50 mmHgA)|STA740/74L: 500 psia (0-500 psia, min span 5 psia)
  • Output/Communications : 4 to 20 mA, HART (v7.0), Honeywell Digitally Enhanced (DE), Foundation Fieldbus (optional)
  • Models : STA722/STA72L/STA740/STA74L
  • Measurement Type : Absolute Pressure (psia, mmHgA, barA)
  • Maximum Turndown Ratio : STA722/72L: 15.6:1|STA740/74L: 100:1
  • Maximum Allowable Working Pressure (MAWP) : STA722/72L: 780 mmHgA (1,040 mbarA)|STA740/74L: 500 psia (35 barA)
  • Display Options : Modular LCD (Alphanumeric or Advanced Graphics), Multiple Screens, Configurable Units, Multi-Language
  • Diagnostics : Comprehensive On-board Diagnostics, Critical/Non-Critical, SIL 2/3 Certified
  • Configuration : External Zero, Span, & Configuration Capability; Two or Three-Button Local Configuration
  • Approvals : FM, CSA, ATEX, IECEx, NEPSI, KOSHA, EAC, CCoE, UATR, SAEx, INMETRO, Marine (ABS, BV, DNV, KR, LR), IEC 61508 SIL 2/3
  • Ambient Temperature Limits : -40 to +85 deg C (Operation)|-55 to +120 deg C (Storage)|LCD: -20 to +70 deg C (Operation)
Brochure
Name
Description
File Size
Date
Size
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
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
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
Data Sheet
Name
Description
File Size
Date
Size
STA700 SmartLine Absolute Pressure Technical Specification 34-ST-03-120
application/pdf 1.16 MB
12/19/2025
1.16 MB
STA700 SmartLine Absolute Pressure Technical Specification 34-ST-03-100
application/pdf 1.53 MB
12/19/2025
1.53 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
TA700 Absolute Pressure Transmitter Specsheet-CN
application/pdf 1004.85 KB
6/6/2022
1004.85 KB
Name
Description
File Size
Date
Size
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
STA700 SmartLine Absolute Pressure Technical Specification 34-ST-03-120
application/pdf 1.16 MB
12/19/2025
1.16 MB
STA700 SmartLine Absolute Pressure Technical Specification 34-ST-03-100
application/pdf 1.53 MB
12/19/2025
1.53 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
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
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
TA700 Absolute Pressure Transmitter Specsheet-CN
application/pdf 1004.85 KB
6/6/2022
1004.85 KB
Name
Description
File Size
Date
Size
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
Our SmartLine ST800 Pressure Transmitters include absolute pressure, gauge pressure, draft range pressure, flanged and remote seal transmitters.
863.51 KB
7/1/2023
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
STA700 SmartLine Absolute Pressure Technical Specification 34-ST-03-120
1.16 MB
12/19/2025
STA700 SmartLine Absolute Pressure Technical Specification 34-ST-03-100
1.53 MB
12/19/2025
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
TA700 Absolute Pressure Transmitter Specsheet-CN
1004.85 KB
6/6/2022
Name
Description
File Size
Date
Size
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