DM-1000 Dwyer Digital Pressure Gauge 0-0.25'' WC with ±1% Accuracy and NEMA 4X Rating

Price Negotiable
Price: USD$155/pc
MOQ: 10
Delivery Time: 3-5 work days
Brand: Dwyer
Product Description
DM-1000 Digital Differential Pressure Gauge
The Dwyer Series DM-1000 Digital Magnehelic Differential Pressure and Flow Gauge provides precise monitoring of air and compatible gas pressures, continuing the legacy of the renowned analog Magnehelic gauge. Factory-calibrated to specific ranges, this digital instrument features a 4-digit LCD display that shows readings in both English and metric units, eliminating the need for manual conversions.
Key Features
  • ±1% full-scale accuracy for precise measurements
  • 4-digit LCD display with multiple unit options
  • Field-programmable for pressure, air velocity, or flow operation
  • Filter monitoring with set point alert functionality
  • Dual power options: 9V battery or 9-24 VDC line power
  • NEMA 4X (IP66) rated enclosure for harsh environments
  • Stainless steel construction for durability
Technical Specifications
Specification Value
Pressure Range 0-0.25'' w.c.
Accuracy ±1% of Full Scale
Temperature Limits 32 to 122°F (0 to 50°C)
Display Update 1 second to 10 minutes selectable
Power Requirements 9V battery or 9-24 VDC external power
Battery Life 150 hours to 1.5 years depending on settings
Weight 1.18 lb (535 g)
Enclosure Rating NEMA 4X (IP66)
Material Stainless Steel
Agency Approvals CE Certified
Working Principle
The DM-1000 DigiMag Digital Differential Pressure Gauge achieves ±1% full-scale accuracy on ranges down to 2 in w.c. and ±2% accuracy on ultra-low ranges from 1 in to 0.25 in w.c. The instrument offers power versatility, operating on either 9-24 VDC line power or a standard 9V battery. When both power sources are connected, the battery automatically serves as backup during line power interruptions.
Performance Characteristics
Long-term stability of ±1% FS per year ensures consistent performance over time. Thermal effects are minimized at ±0.05% FS/°F typically, with slightly higher values for ranges 1 in w.c. and below. The display update rate is fully configurable from 1 second to 10 minutes, or can be set to update only when manually triggered.
DM-1000 Digital Pressure Gauge front view showing LCD display and controls
Construction Details
Constructed with glass-filled plastic housing and stainless steel components, the DM-1000 is built for industrial durability. It features removable terminal blocks for 16 to 26 AWG wiring and cable gland entry for 0.114 to 0.250˝ diameter cables.
DM-1000 Digital Pressure Gauge construction details and internal components
Application Areas
  • Filter monitoring and air flow rate measurement
  • Blower vacuum detection systems
  • Fan pressure indication and monitoring
  • Pipe room or building pressure control
  • Clean room positive pressure indication
DM-1000 Digital Pressure Gauge installed in industrial filter monitoring application

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Mengchuan Instrument Co,Ltd.
Location 58 Longhe Road, Liushi Town,Wenzhou, Zhejiang, China 325604
Contact Person Kiki

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