
Honeywell STT850 SmartLine Temperature Transmitter is a high-performance Honeywell SmartLine temperature transmitter designed for demanding industrial temperature measurement applications. It provides high accuracy, strong long-term stability and flexible communication options for process automation systems.
Main Features
Universal input with single or dual sensor options.
Digital accuracy up to +/- 0.10 deg C for RTD inputs.
Stability up to +/- 0.01% of URL per year for ten years.
Built-in galvanic isolation and polarity-insensitive loop wiring.
Supports differential, averaging, redundant and split-range measurements.
Optional local display, external configuration buttons and advanced diagnostics.
Suitable for integration with Honeywell Experion PKS and modern process control systems.
Key Specifications
| Product Series | STT850 SmartLine Temperature Transmitter |
| Analog Output | Two-wire 4 to 20 mA dc for HART and DE transmitters |
| Digital Communication | Honeywell DE, HART 7 protocol, FOUNDATION Fieldbus ITK 6.1.2 |
| Update Time | 125 mSec for single input units; 250 mSec for dual input units |
| Output Accuracy | +/- 0.005% span for HART/DE output |
| Cold Junction Accuracy | +/- 0.25 deg C |
| Isolation | 2000 Vdc galvanic isolation between inputs and output |
| Diagnostics | Sensor break detection, digital diagnostics, NAMUR support and SIL 2/3 compliance |
The STT850 series is suitable for applications requiring reliable temperature measurement, stable signal transmission and flexible field configuration in harsh industrial environments.
HONGKONG XIEYUAN TECH CO., LIMITED
Contact: Ms. Lily
Email: lily@hkxytech.com
WhatsApp/Wechat: +86 13789949182
