STG800 SmartLine Gauge Pressure
Product Overview
Honeywell STG800 Gauge Pressure Transmitter is part of the SmartLine series, a high‑performance pressure transmitter. It adopts piezoresistive sensor technology and integrates pressure sensing with on‑chip temperature compensation. It delivers high accuracy, stability and performance across a wide range of working pressure and temperature.
Best‑in‑Class Features of Honeywell STG800
. Accuracy & Stability: ±0.025% optional, <0.015% drift/yr for 15 years.
. Range & Speed: 100:1 turndown, 80ms response.
. Safety & Diagnostics: Dual Seal SIL2/3, PILD & NE-107.
. Flexibility: HART/DE/FF, modular design, 15‑year warranty, optional dual/triple calibration.
. Ease of Use: external config, polarity‑insensitive wiring, local display.
Communications/Output Options:
. 4-20mA
. Honeywell Digitally Enhanced (DE)
. HART ® (version 7.0)
.FOUNDATION™ Fieldbus
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Span & Range Limits:
This table lists measuring ranges for Honeywell STG800 series gauge pressure transmitters. It shows URL, LRL and minimum span for STG830/83L, STG840/84L, STG870/87L, STG88L, STG89L. Measuring upper limit ranges from 50 psi (3.5 bar) up to 10000 psi (690 bar). All models share the same LRL: ‑14.7 psi (-1.0 bar).
Core Specifications
| Core Parameter | Official Specification |
|---|---|
| Measurement Type | Gauge Pressure (relative to atmosphere) |
| Reference Accuracy | Standard: up to 0.0375% of span (most models), 0.055% of span (STG89L); Optional High Accuracy: down to 0.025% of span (most models), 0.04% of span (STG89L) |
| Rangeability (Turndown Ratio) | Up to 100:1 (model dependent) |
| Long-Term Stability | Up to 0.015% of URL per year for 15 years (0.010% of URL per year for STG830/STG83L) |
| Response Time | 80ms (delay + time constant, for all protocols); 150ms maximum for FOUNDATION Fieldbus (host dependent) |
| Communication Protocols | 4-20mA, Honeywell Digitally Enhanced (DE), HART 7.0, FOUNDATION Fieldbus |
| Supply Voltage | DE/HART: 11–42 VDC; FOUNDATION Fieldbus: 9–32 VDC |
| Gauge Pressure Range | -14.7 psi (-1 bar) to 10000 psi (690 bar) (model dependent, LRL to URL) |
| Rated Operating Temperature | -40°C to 85°C (ambient) |
| Safety Integrity Level | Full compliance to SIL 2/3 requirements |
| Enclosure Rating | IP66 / IP67, NEMA 4X |
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