Honeywell STA840 SmartLine Absolute Pressure Transmitter Gold-plated 316L Stainless Steel HART 7.0 Protocol

STA840-GOLD-HART

Buy Honeywell STA840 HART 7.0 Protocol absolute pressure transmitter (500 psia, Gold-plated 316L Stainless Steel). Piezoresistive sensor, 80 ms response, NAMUR NE-107 diagnostics, Experion PKS compatible. In stock, factory-direct price, ships within 48 hours.

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The Honeywell STA840 absolute pressure transmitter (Gold-plated 316L Stainless Steel, HART 7.0 Protocol) measures pressure against an absolute vacuum reference, making it ideal for vacuum, barometric, and low-pressure distillation applications. It offers 200:1 rangeability, full SIL 2/3 compliance, and an integral dual seal design. 4-20 ma analog output with hart 7.0 digital protocol.

Key Features

  • Stability up to 0.01% of URL per year for 15 years
  • Modular design — replaceable meter body, electronics, and indicators
  • Honeywell Experion PKS compatible
  • Integral dual seal design (ANSI/NFPA 70-202, ANSI/ISA 12.27.2)
  • Piezoresistive sensor with on-chip temperature compensation
  • Reference accuracy 0.03% of span (0.025% optional)

Full Configuration Details

Complete Ordering Code:
STA840
Transmitter Specifications
Model
Transmitter Model
STA840 SmartLine AP
Range
Upper Range Limit
500 psia (34.47 barA)
MinSpan
Minimum Span
2.5 psia (0.17 barA)
Turndown
Rangeability
200:1
Diaphragm
Barrier Diaphragm
Gold-plated 316L Stainless Steel
Protocol
Communication
HART 7.0 Protocol
Accuracy
Reference Accuracy
0.03% of span (0.025% optional)
SIL
Safety
SIL 2/3 (IEC 61508)
Response
Response Time
80 ms
Enclosure
Enclosure Rating
Type 4X / IP66 / IP67
Warranty
Warranty
1-year standard, up to 15-year extended

Wholesale Pricing, Genuine & In Stock

Bulk and OEM pricing on Honeywell STA800 SmartLine AP transmitters, all 100% original and brand new. Ready stock, 48-hour dispatch, and a full 1-year warranty with optional 15-year extension. We quote volume orders within 12 hours.

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Full Configuration Details

Complete Ordering Code:
STA840
Transmitter Specifications
Model
Transmitter Model
STA840 SmartLine AP
Range
Upper Range Limit
500 psia (34.47 barA)
MinSpan
Minimum Span
2.5 psia (0.17 barA)
Turndown
Rangeability
200:1
Diaphragm
Barrier Diaphragm
Gold-plated 316L Stainless Steel
Protocol
Communication
HART 7.0 Protocol
Accuracy
Reference Accuracy
0.03% of span (0.025% optional)
SIL
Safety
SIL 2/3 (IEC 61508)
Response
Response Time
80 ms
Enclosure
Enclosure Rating
Type 4X / IP66 / IP67
Warranty
Warranty
1-year standard, up to 15-year extended

Documents

Manuals: