STF724 Flange-Mounted Level Transmitter
The Honeywell SmartLine STF700 and STF800 series are piezoresistive flange-mounted level transmitters engineered for tank level monitoring, control, and data acquisition.
The Honeywell SmartLine® STF700 and STF800 series are piezoresistive flange-mounted level transmitters engineered for tank level monitoring, control, and data acquisition. With on-chip temperature compensation, dual-seal safety design, and 10-year stability up to 0.01% of URL/year, they directly mount onto tank flanges with a variety of flush and extended diaphragm configurations.
- ModelsSTF724, STF725, STF728, STF732, STF73F, STF800, STF828
- Sensor typePiezoresistive, with static pressure and temperature compensation
- Span limitsUp to 400 inH₂O (1000 mbar) differential, up to 100 psi gauge
- TurndownUp to 100:1
- Response timeUp to 90 ms
- Accuracy0.05% (STF700), 0.0375% (STF800)
- Stability0.02%/year (STF700) or 0.01%/year (STF800)
- Communications4–20 mA DC, HART 7.0, FOUNDATION Fieldbus
- SIL complianceSIL 2/3