Honeywell STR94G Physical and Approval Bodies, Intrinsically Safe, Zone 0/1 EEx ia IIC T4, T5, T6

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34-ST-03-57 Page 9

Physical and Approval Bodies

Parameter

Process Interface

Seal Barrier Diaphragm

Seal Gasket Materials

Mounting Bracket

Fill Fluid (Meter Body)

Fill Fluid (Secondary)*

Electronics Housing

Capillary Tubing**

Wiring

Mounting

Dimensions

Net Weight

Approval Bodies

Factory Mutual

CSA

Canadian Registration

Number (CRN)

ATEX

SA (Australian)

INMETRO (Brazil)

Description

See Model Selection Guide for Material Options for desired Seal Type.

316L Stainless Steel, Monel, Hastelloy C, Tantalum

Klinger C-4401 (non-asbestos)

Grafoil

Teflon

Gylon 3510

Carbon Steel (zinc-plated) or Stainless Steel angle bracket or Carbon Steel flat bracket available.

Silicone (DC 200)

S.G. @ 25°C (77°F) = 0.94

CTFE (Chlorotrifluoroethylene)

S.G. @ 25°C (77°F) = 1.89

Silicone (DC 200)

S.G. @ 25°C (77°F) = 0.94

CTFE (Chlorotrifluoroethylene)

S.G. @ 25°C (77°F) = 1.89

Silicone (DC 704)

S.G. @ 25°C (77°F) = 1.07

Syltherm 800

S.G. @ 25°C (77°F) = 0.90

NEOBEE M-20

S.G. @ 25°C (77°F) = 0.93

Epoxy-Polyester hybrid paint. Low-copper aluminum alloy. Meets NEMA 4X (watertight) and NEMA 7 (explosion proof)

Armored Stainless Steel or PVC Coated Armored Stainless Steel. Length: 5, 10, 15, 20, 25 and 35 feet (1.5, 3, 4.6, 6.1, 7.5 and 10.7m). A 2” (51 millimeter) S.S. close-coupled nipple is also available. See Model Selection Guide.

Accepts up to 16 AWG (1.5 mm diameter)

See Figure 16.

See Figures 19 and 20 for transmitter dimensions. See Model Selection Guide for Seal dimensions

Transmitter: 4.1 Kg (9 lbs). Total weight is dependent on seal type and capillary length.

Explosion Proof: Approved as Explosion Proof for Class I, Division 1, Groups A, B, C, D locations,

Dust Ignition Proof: Approved as Dust Ignition Proof for Class II, III, Division 1, Groups E, F, G locations,

Intrincically Safe: Approved as Intrinsically Safe for for Class I, II, III, Division 1, Groups A, B, C, D, E, F, G locations.

Nonincendive: Approved as Nonincendive for Class I, Division 2, Groups A, B, C, D locations.

Explosion Proof: Approved as Explosion Proof for Class I, Division 1, Groups B, C, D locations,

Dust Ignition Proof: Approved as Dust Ignition Proof for Class II, III, Division 1, Groups E, F, G locations,

Intrincically Safe: Approved as Intrinsically Safe for Class I, II, III, Division 1, Groups A, B, C, D, E, F, G locations.

All ST 3000 model designs, except SATG19L, STG99L, STG170 and STG180 have been registered in all provinces and territories in Canada and are marked CRN:0F8914.5c.

Intrinsically Safe, Zone 0/1: EEx ia IIC T4, T5, T6

Flameproof/Zone 1:

 

EEx d IIC T5, T6 (enclosure IP 66/67)

Non-Sparking, Zone 2:

EEx nA, IIC T6 (enclosure IP 66/67)

Multiple Markings:

 

Ex II 1 G: EEx ia IIC T4, T5, T6, Ex II 2 G: EExd IIC T5, T6

 

 

Ex II 3 G: EEx nA, IIC T6 (Honeywell) (enclosure IP 66/67)

Intrinsically Safe:

EX ia IIC T4

Non-Sparking:

Ex n IIC T6 (T4 with SM option)

Flame-Proof, Zone 1:

EX d IIC T5

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Contents Introduction Guide34-ST-03-57 Description of Diaphragm SealsStainless Steel Nipples are available Description FeaturesOperating Conditions All Models Silicone DC200 CtfeDescription ParameterBar MbarParameter Description Performance Under Rated Conditions General for all ModelsPhysical and Approval Bodies Intrinsically Safe, Zone 0/1 EEx ia IIC T4, T5, T6Non-Sparking, Zone 97/23/EC 34-ST-03-57 Parameter DescriptionApplication Data Density, direct acting transmitter configuration Inches 34-ST-03-57 Reference DimensionsmillimetersSTR94G LGP/I Remote Seal with Vertical Pipe Mount Options Key Number InstructionsDescription AvailDIN DN80-PN40 Table II Seals Spec. FigureST-03-57 Wetted Material Hastelloy C Monel Tantalum Ansi Class 150/300/600 GFA Table II Seals Bolt SelectionServices/Certificates Options Transmitter Housing & Electronics OptionsWarranty Options Communication OptionsApproval Type Location or Classification Selection Body Table III OptionsRestriction Available Only With Not Available With Letter RestrictionsRestrictions 21a Flush Flanged Seal Dimensions and drawingsDimensions and drawings, Dimensions and drawings, Dimensions and drawings, Dimensions and drawings, HART* is a trademark of the Hart Communication Foundation

STR94G, STR93D specifications

The Honeywell STR93D and STR94G are advanced temperature controllers designed for precision temperature management in a variety of applications, from industrial processes to HVAC systems. These intelligent devices are engineered to enhance efficiency, reliability, and user flexibility, catering to both simple and complex control scenarios.

The STR93D is characterized by its dual-channel capability, making it ideal for processes requiring simultaneous temperature monitoring and control. Its robust design ensures stable performance even in demanding environments. The controller features a user-friendly interface that includes a large, backlit display, allowing operators to easily navigate through menus and settings. The intuitive design simplifies the setup process, reducing installation time and minimizing user error.

On the other hand, the STR94G takes automation a step further with its advanced features and connectivity options. This model is equipped with a comprehensive set of control algorithms, including PID, on-off, and fuzzy logic controls, ensuring precise temperature regulation. The STR94G also supports multiple input types, such as thermocouples and RTDs, providing versatility across various applications.

Both models incorporate Honeywell's proprietary Smart Control technology, which optimizes energy consumption and enhances operational efficiency. This technology not only ensures accurate temperature management but also contributes to reduced operational costs by minimizing energy waste. Additionally, the controllers support communication protocols such as Modbus and BACnet, facilitating easy integration into existing systems and enabling remote monitoring capabilities.

Both controllers are built with durability in mind, featuring a rugged housing that protects against environmental factors, including dust and moisture. This makes them suitable for use in harsh industrial settings as well as in less demanding environments. Their adaptability and advanced technology provide users with solutions that not only meet but exceed industry standards.

In summary, the Honeywell STR93D and STR94G are exemplary temperature controllers that stand out in their field. They combine advanced control features, robust design, and exceptional connectivity, making them suitable for a wide range of applications. Whether for industrial use or commercial HVAC installations, these controllers deliver reliability and efficiency, setting a benchmark in temperature control solutions.