Honeywell STT850 SmartLine Temperature Transmitter Type J Thermocouple HART 7.9 Protocol

STT850-D-J-HART

Buy Honeywell STT850 HART 7.9 Protocol temperature transmitter (Dual Input, Type J Thermocouple). Dual-compartment housing, NAMUR NE-107 diagnostics, Experion PKS compatible. In stock, factory-direct price, ships within 48 hours.

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Part of the Honeywell SmartLine family, the STT850 (Type J Thermocouple, Dual Input, HART 7.9 Protocol) provides a universal input supporting RTD, thermocouple, millivolt, and ohm sensors. Its dual-compartment housing, NAMUR NE-107 extended diagnostics, and full SIL 2/3 compliance make it ideal for safety-critical temperature measurement. 4-20 ma analog output with hart 7.9 digital protocol.

Key Features

  • 125 mSec update time (single input), 250 mSec (dual)
  • 15-year extended warranty option
  • Universal input: RTD, thermocouple, millivolt, ohm
  • Dual-compartment housing, Type 4X / IP66 / IP67
  • Differential, averaging, redundant, and split-range measurement
  • Stability up to 0.01% of URL per year for 10 years

Full Configuration Details

Complete Ordering Code:
STT850
Transmitter Specifications
Model
Transmitter Model
STT850 SmartLine
Inputs
Number of Inputs
Dual Input
Sensor
Sensor Input
Type J Thermocouple (IEC 584-1 (ITS-90))
Protocol
Communication
HART 7.9 Protocol
Accuracy
RTD Accuracy
0.10 C (Pt100)
SIL
Safety
SIL 2/3 (IEC 61508)
Isolation
Isolation
Built-in galvanic
Housing
Housing Material
Polyester-coated aluminum or 316/316L SS
Enclosure
Enclosure Rating
Type 4X / IP66 / IP67
Update
Update Time
125 mSec
Ambient
Ambient Temperature
-40 to 85 C
Warranty
Warranty
1-year standard, up to 15-year extended

Factory-Direct Price & Fast Shipping

We supply Honeywell STT850 SmartLine temperature 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 input type, protocol, and approval requirements for a quote within 12 hours.

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Full Configuration Details

Complete Ordering Code:
STT850
Transmitter Specifications
Model
Transmitter Model
STT850 SmartLine
Inputs
Number of Inputs
Dual Input
Sensor
Sensor Input
Type J Thermocouple (IEC 584-1 (ITS-90))
Protocol
Communication
HART 7.9 Protocol
Accuracy
RTD Accuracy
0.10 C (Pt100)
SIL
Safety
SIL 2/3 (IEC 61508)
Isolation
Isolation
Built-in galvanic
Housing
Housing Material
Polyester-coated aluminum or 316/316L SS
Enclosure
Enclosure Rating
Type 4X / IP66 / IP67
Update
Update Time
125 mSec
Ambient
Ambient Temperature
-40 to 85 C
Warranty
Warranty
1-year standard, up to 15-year extended

Documents

Manuals: