Honeywell SmartLine ST700 Pressure Transmitter STG73S STG77S STG74S IP65 Rated Aluminum Construction
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| item | value |
| Ingress Protection | Ip65 |
| type | Pressure transmitter |
| place of origin | China |
| model number | STG74S-E1G000-1-A-AHS-11S-A-10A0 |
| brand name | Honeywell |
| customized support | Odm |
| material | Aluminum |
| warranty | 1 year |
The main brands sold by our company are: Honeywell, Kromschroder, Fireye, MAXITROL, SIEMENS, OMRON, Durag, DUNGS, Elektrogas, Azbil, COFI, MADAS, Fujifilm, Eurotherm, WEST, LAM TEC, Fisher
Main products are :DCS, SIS system, transmitter (temperature transmitter, pressure transmitter, differential pressure transmitter), temperature control instrument, carbon control meter, combustion safety products: flame detector, flame controller, solenoid valve, pressure switch, actuator, transformer,
1. who are we?
We are based in Shanghai, China, start from 2018,sell to Domestic Market(87.00%),South Asia(1.00%),Eastern Asia(1.00%),North America(1.00%),South America(1.00%),Oceania(1.00%),Western Europe(1.00%),Southern Europe(1.00%),Central America(1.00%),Northern Europe(1.00%),Africa(1.00%),Eastern Europe(1.00%),Mid East(1.00%),Southeast Asia(1.00%). There are total about 5-10 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
PLC, Gas detector, Temperature control meter, Burner accessories, Building automatic control instrument
4. why should you buy from us not from other suppliers?
Our company mainly engaged in Honeywell DCS and SIS system.Honeywell transmitter. Honeywell, Omron, Fuji temperature control instrument.combustion safety control products: Honeywell, Kromschroder, Siemens, Fireye, Maxitrol.adequate inventory, original auth
5. what services can we provide?
Accepted Delivery Terms: -;
Accepted Payment Currency: USD,CNY;
Accepted Payment Type: T/T;
Language Spoken: English,Chinese
The STG73S, STG74S, and STG77S are all members of the Honeywell SmartLine ST700 series of gauge pressure transmitters, designed for high-precision pressure measurement in industrial processes. They feature 4–20mA + HART 7 output and hold SIL 2/3 safety certification. II. Models and Ranges (Key Distinctions)
1. STG73S (Low-Pressure Type)
Range: -100 kPa to 350 kPa (0 to 3.5 bar / 0 to 50 psi)
Minimum Span: 3.5 kPa
Typical Applications: Gas utilities, HVAC, low-pressure tanks, air duct pressure monitoring
2. STG74S (Medium-Pressure Type)
Range: -100 kPa to 3.5 MPa (0 to 35 bar / 0 to 500 psi)
Minimum Span: 35 kPa
Typical Applications: Chemical processing, petroleum industry, boilers, high-pressure water supply systems
3. STG77S (High-Pressure Type)
Range: -100 kPa to 21 MPa (0 to 210 bar / 0 to 3000 psi)
Minimum Span: 210 kPa
Typical Applications: High-pressure reactors, hydraulic systems, oil and gas wellheads
III. Common Technical Specifications (Identical across all 3 models)
Accuracy: ±0.065% of Span (0.04% optional)
Stability: 0.02% of Full Scale per year; stable for 10 years
Turndown Ratio: 100:1 (Wide range coverage, reduces inventory requirements)
Response Time: ≤100 ms
Temperature Range: -40°C to +85°C (Ambient); -40°C to +125°C (Process)
Output: 4–20 mA DC + HART 7 Digital Communication
Power Supply: 10.8 to 42.4 VDC
Protection Class: IP66/IP67; Explosion Protection: Ex ia/Ex d IIC T6
Process Connection: 1/2" NPT Male Thread or G1/2"
Diaphragm Material: 316L Stainless Steel (Standard), Hastelloy C, Monel 400, Tantalum
Housing: Aluminum Alloy (Polyester Coated) or 316 Stainless Steel
Display: Two-line LCD (Rotatable; field-installable option) (Removal)
IV. Dimensions and Weight (Approximate Measured Values)
Overall Dimensions: Height approx. 180 mm × Width approx. 120 mm × Depth approx. 80 mm
Net Weight: Approx. 1.2 kg (Aluminum Alloy Housing); Approx. 2.0 kg (Stainless Steel Housing)
V. Model Selection Summary
STG73S: 0–3.5 bar — Low Pressure, High Precision
STG74S: 0–35 bar — Medium Pressure, General Purpose
STG77S: 0–210 bar — High Pressure, Heavy Duty
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