Honeywell STA840 SmartLine AP Transmitter 500 psia Honeywell DE Protocol

STA840-HC-DE

Honeywell STA840 SmartLine absolute pressure transmitter, 500 psia range, Hastelloy C-276 diaphragm, Honeywell DE Protocol. 0.03% span accuracy, 200:1 rangeability, SIL 2/3. factory-direct price with wholesale bulk pricing and fast global shipping.

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The Honeywell STA840 is a high-performance SmartLine absolute pressure transmitter featuring piezoresistive sensor technology. This Dual unit measures up to 500 psia (34.47 barA) with a minimum span of 2.5 psia. It is configured with a Hastelloy C-276 barrier diaphragm and Honeywell DE Protocol. 4-20 ma analog output with honeywell digitally enhanced (de) digital protocol.

Key Features

  • Reference accuracy 0.03% of span (0.025% optional)
  • NAMUR NE-107 extended diagnostics (HART, FF)
  • Stability up to 0.01% of URL per year for 15 years
  • Response time as fast as 80 ms
  • Full SIL 2/3 compliance (IEC 61508)
  • Integral dual seal design (ANSI/NFPA 70-202, ANSI/ISA 12.27.2)

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
Hastelloy C-276
Protocol
Communication
Honeywell DE 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

Factory-Direct Price & Fast Shipping

We supply Honeywell STA800 SmartLine absolute pressure transmitters factory-direct with competitive bulk pricing. Large ready stock ships within 48 hours via DHL/FedEx worldwide, and every unit is 100% genuine and brand new with a 1-year standard warranty (up to 15-year extended available). Send your range, diaphragm material, protocol, and approval requirements for a quote within 12 hours.

Request a Quote

Email: sales@gt-exim.com  |  WhatsApp: +86 17719526488

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
Hastelloy C-276
Protocol
Communication
Honeywell DE 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: