Dwyer DM-2000 Series Differential Pressure Transmitter
Product Introduction
The Dwyer DM-2000 Series Differential Pressure Transmitter is engineered to monitor pressure for air and compatible gases, delivering a standard 4–20 mA output signal for seamless integration with industrial control systems. Its housing is precision-designed to fit the same diameter cutout as the standard Magnehelic® gauge, enabling effortless replacement and system upgrades. Factory-calibrated across a wide range of pressure spans—including models with optional 3.5-digit LCD displays—the transmitter combines quick response times with user-friendly digital push-button zero and span adjustments, eliminating the need for traditional potentiometer calibrations. The glass-filled plastic molded housing incorporates inherent pressure connections for rapid installation, while field-selectable engineering units (4–6 options, depending on range) enhance versatility for diverse applications.
Product Features
Accuracy & Stability:
±1% FS accuracy at 70°F (21°C); long-term stability of ±1% FS/year.
Thermal effect: ±0.055% FS/°F (0.099% FS/°C) for reliable performance across temperatures.
Output & Power:
Standard 4–20 mA output signal compatible with 10–35 VDC (2-wire system).
Loop resistance: up to 1250 Ω; current consumption: 38 mA max for efficient operation.
Display & Units:
Optional 3.5-digit LCD display (0.7" height) for real-time pressure visualization.
Field-selectable engineering units (e.g., in w.c., Pa, mbar, kPa, psi) based on model range.
Construction & Installation:
Glass-filled plastic molded housing with integrated pressure connections for quick setup.
Process connections: 1/8" ID tubing; vertical mounting orientation matches legacy systems.
Compact design: weighs 4.8 oz (136 g) for space-efficient installations.
Environmental Specs:
Temperature range: 20–120°F (-6.67–48.9°C); pressure limit: 10 psig (0.69 bar).
Suitable for air and non-combustible gases; NIST calibration available via product configurator.
Calibration & Customization:
Digital push-button zero and span adjustments for field calibration without tools.
Diverse factory-calibrated ranges (e.g., 0.1" w.c. to 5" w.c.) and bi-directional models (e.g., ±0.25" w.c.) for specialized needs.
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