Honeywell STF828 Flange Mount Level Transmitter 400 inH2O Hastelloy C-276 HART 7.0 Protocol

STF828-HC-HART

Buy Honeywell STF828 HART 7.0 Protocol flanged level transmitter (400 inH2O, Hastelloy C-276). Flush Diaphragm, 90 ms response, NAMUR NE-107 diagnostics. In stock, factory-direct price, ships within 48 hours.

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The Honeywell STF828 is a high-performance SmartLine flange mount level transmitter featuring piezoresistive sensor technology with a remote diaphragm seal. This Flush Diaphragm unit measures up to 400 inH2O (1000 mbar) with a minimum span of 4 inH2O. It is configured with a Hastelloy C-276 barrier diaphragm and HART 7.0 Protocol. 4-20 ma analog output with hart 7.0 digital protocol.

Key Features

  • Remote diaphragm seal isolates sensor from process media
  • NAMUR NE-107 extended diagnostics (HART, FF)
  • Reference accuracy 0.03% of span (0.025% optional)
  • Integral dual seal design (ANSI/NFPA 70-202, ANSI/ISA 12.27.0)
  • Response time as fast as 90 ms
  • Stability up to 0.01% of URL per year for 15 years

Full Configuration Details

Complete Ordering Code:
STF828
Transmitter Specifications
Model
Transmitter Model
STF828 SmartLine
Range
Upper Range Limit
400 inH2O (1000 mbar)
MinSpan
Minimum Span
4 inH2O (10 mbar)
Design
Diaphragm Design
Flush Diaphragm
Diaphragm
Barrier Diaphragm
Hastelloy C-276
Protocol
Communication
HART 7.0 Protocol
Flange
Flange Size
2", 3" or 4" ANSI CL150/300, DN50/80/100 PN40
Accuracy
Reference Accuracy
0.03% of span (0.025% optional)
SIL
Safety
SIL 2/3 (IEC 61508)
Response
Response Time
90 ms
Warranty
Warranty
1-year standard, up to 15-year extended

Genuine Parts, Fast Delivery, Full Support

Every STF800 transmitter is factory-certified, 100% genuine, and covered by a 1-year warranty with after-sales technical support. Ready stock ships within 48 hours worldwide. Bulk pricing available — contact us for a quote within 12 hours.

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Full Configuration Details

Complete Ordering Code:
STF828
Transmitter Specifications
Model
Transmitter Model
STF828 SmartLine
Range
Upper Range Limit
400 inH2O (1000 mbar)
MinSpan
Minimum Span
4 inH2O (10 mbar)
Design
Diaphragm Design
Flush Diaphragm
Diaphragm
Barrier Diaphragm
Hastelloy C-276
Protocol
Communication
HART 7.0 Protocol
Flange
Flange Size
2", 3" or 4" ANSI CL150/300, DN50/80/100 PN40
Accuracy
Reference Accuracy
0.03% of span (0.025% optional)
SIL
Safety
SIL 2/3 (IEC 61508)
Response
Response Time
90 ms
Warranty
Warranty
1-year standard, up to 15-year extended

Documents

Manuals: