Dwyer DM-1000 DigiMag Digital Differential Pressure and Flow Gages

Dwyer DM-1000 DigiMag Digital Differential Pressure and Flow Gages monitor the pressure of air and compatible gases just as its famous analog predecessor the Magnehelic® Differential Pressure Gage. All models are factory calibrated to specific ranges. The 4-digit LCD can display readings in common English and metric units so conversions are not necessary. The simplified four button operation reduces set up time and simplifies calibration with its digital push button zero and span.

Dwyer DM-1000 DigiMag Features

  • Field programmed reduces installation time
  • User selectable parameters for pressure, air velocity or flow permits same device for multiple applications
  • Specialized filter set point for alerts when maintenance is due
  • Security levels permit matches the correct access to right skill
  • Power versatility works with 9-24 VDC or 9 V battery allows deployment in a variety of spaces wired or not


  • Filter monitoring
  • Air velocity or flow
  • Blower vacuum monitoring
  • Fan pressure indication
  • Duct, room or building pressures
  • Clean room positive pressure indication

Dwyer DM-1000 DigiMag Specification

Service Air and non-combustible, compatible gases.
Wetted Materials Consult factory.
Housing Materials Glass filled plastic.
Accuracy ±1% FS including linearity, hysteresis and repeatability; ±2% FS for ranges 1″ w.c. and below.
Temperature Limits 0 to 140°F (-18 to 60°C).
Compensated Temperature Limits 32 to 122°F (0 to 50°C).
Long Term Stability ±1% FS per year.
Thermal Effect ±0.05% FS/°F typ.; ±0.10% FS/°F typ. for ranges 1″ w.c. and below.
Display 4-digit LCD (Digits: 0.60″H x 0.33″W).
Display Update Selectable for 1 second, 10 minutes or update only from button push.
Pressure Limits Normal and bi-directional ranges 5 in w.c. and lower = 2 psi (13.7 kPa); Normal and bi-directional ranges 10 in w.c. and higher = 11 psi (75 kPa).
Selectable Engineering Units in w.c., psi, kPa, Pa, mm w.c., mBar, in Hg, mm Hg, FS (0-100% FS).
Power Requirements 9V battery, included, user replaceable or external power supply 9-24 VDC.
Current Consumption 5 mA maximum.
Electrical Connections Removable terminal block for 16 to 26 AWG.
Electrical Entry Cable gland for 0.114 to 0.250″ (2.9 to 6.4 mm) diameter cable.
Process Connections 1/8″ (3 mm) ID tubing.
Enclosure Rating NEMA 4X (IP66).
Weight 1.18 lb (535 g).
Size 5″ (127 mm) OD front face.
Battery Service Life Battery life depending on the Display Update setting: 150 hours (typical) if Display Update = 1 second; 9 months (typical) if Display Update = 10 minutes; 1.5 years (typical) if Display Update is disabled. Battery may last up to four times longer when using lithium-based battery ULTRALIFE U9VL-J.
Agency Approvals CE.

Download Data Sheet: Series DM-1000 DigiMag® Digital Differential Pressure and Flow Gauges

Ref: dwyer-inst.com

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