Honeywell ST800 Differential Pressure Transmitter STD820-E1HC4AS with 0.035% Accuracy and 400:1 Rangeability
The ST800 Differential Pressure Transmitter is engineered for critical process loops and high-value applications including custody transfer, energy management, and material balance calculations. This industrial-grade instrument delivers exceptional precision and reliability in demanding environments.
| Model | Pressure Range (inH2O) | Pressure Range (mbar) |
|---|---|---|
| STD810 | -10 to 10 inH2O | -25 to 25 mbar |
| STD820 | -400 to 400 inH2O | -996 to 996 mbar |
| STD830 | -100 to 100 psi | -6.9 to 6.9 bar |
| STD870 | -3,000 to 3,000 psi | -207 to 207 bar |
- Accuracy: Up to 0.035% standard, 0.025% optional
- Stability: 0.01% of URL per year for ten years
- Rangeability: Up to 400:1
- Response Time: As fast as 90ms
- Communication Protocols: 4-20mA dc, Honeywell Digitally Enhanced (DE), HART® (version 7.0), FOUNDATION™ Fieldbus
- Safety Compliance: Integral Dual Seal design meeting ANSI/NFPA 70-202 and ANSI/ISA 12.27.0 standards
- SIL Certification: Full compliance to SIL 2/3 requirements
- Warranty: Available with 15-year warranty
- Automatic static pressure and temperature compensation
- Multiple local display configurations
- External zero, span, and configuration capability
- Polarity insensitive electrical connections
- Comprehensive on-board diagnostic systems
- World-class overpressure protection
- Plugged Impulse Line Detection Option
- Dual/Triple Calibration Option (HART & Fieldbus Only)
- Modular design for flexible installation
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