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DPG409

High Accuracy, Digital Pressure Gauge with Output & NEMA 4X Case

  • NEW RANGES! Sealed Gage, Compound Gage, Vacuum and, Barometric Ranges
  • 5-Point NIST Traceable Calibration Included
  • High 0.08% Accuracy on most Ranges
  • Selectable 4 to 20 mA, 0 to 5V or 0 to 10V Analog Output
DPG409
From SGD 2,290.98
High Accuracy, Digital Pressure Gauge with Output & NEMA 4X Case DPG409 DPG409
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Product Overview
  • Accuracy Class < 0.1%
  • Accuracy Detail Accuracy (Combined Linearity, Hysteresis and Repeatability): ± 0.08% BSL (compound gauge calibrated in positive direction only)
  • Battery life 9 mo
  • Battery Size and Type Alkaline
  • Cable Length 2.7 m
  • Connection Location Lower
  • Data Interface USB
  • Data Interface Note USB connection for set-up, cable included
  • Display Segment Height 25 mm
  • Display Type 4 Digit LCD
  • Display Type Note 4-digit LCD with user selectable backlighting, (9999 count) 25 mm (1') character height.
  • Electrical Output 4 to 20 mA
  • Electrical Output Note User selectable 0 to 5 Vdc, 0 to 10 Vdc or 4 to 20 mA (external 24 Vdc power supply required for all analog output types) Set jumper to select current or voltage Software selection of 0 to 5 Vdc, 0 to 10 Vdc, or 4 to 20 m
  • Enclosure Material 316 Stainless Steel
  • Enclosure Ratings IP65, NEMA Type 4X, Weatherproof
  • Isolation between Case and Output Terminations, Min 100MΩ @ 50 Vdc
  • Materials, Wetted 316 Stainless Steel
  • Number of Batteries 2
  • Number of Digits 4
  • Operating Temperature, Max 66 °C
  • Operating Temperature, Min -18 °C
  • Output Signal Current, Voltage
  • Pressure Accuracy ± 0.08 %
  • Process Connection Size 1/4 in
  • Process Connection Type NPT Male
  • Sample/Display Rate 0.38 to 30 seconds
  • Sample Display Rate Note User selectable from 0.38 to 30 sec. (preset to 1/sec)
  • Sensor Dimension Note 72 to 89 mm L (2.8 x 3.5") below display
  • Series ID DPG409
  • Settable Parameters Backlight, Min, Max, Zero, Clear
  • Software Settings Software Settings (via USB) Update Rate: 4 options, 10, 5, 2, 1 times per second Units: psi, inHg, inH2O, bar, mbar, hPa units; must be specified at time of order Lock: Allows the lock-out of front panel functions Alarms: User selectable “High” and “Low” alarm limits (open collector) Backlight: On/off, 10 sec, 30 sec, 1 min, 5 min Wireless Transmitter (Optional): Channel number, transmission rate, alarms, sensor offset, chart recording, data logging Calibrate: Zero and Span Overrange Indication: “_ _ _ _”
  • Storage Temperature, Max 82 °C
  • Storage Temperature, Min -40 °C
  • Supply Power Note Battery Note:Two 1.5 V alkaline (C cell) included
  • Supply Power Type Battery
  • Thermal Effects Thermal Effects (Over Operating Range): Zero Balance: Ranges >5 psi: ± 0.3% span Ranges ≤5 psi: ± 0.5% span Span Setting: Ranges >5 psi: ± 0.3% span Ranges ≤5 psi: ± 0.5% span
  • Weight 900 g
  • Weight Note 900 g (2 lb) Typical depending upon configuration
  • Wireless Option Specifications Transmit Sample Rate: User programmable from 1 sample/2 min to 1 sample/2 sec Radio Frequency (RF) Transceiver Carrier: ISM 2.4 GHz RF Output: 10 dBm (10 mW) Range of RF Link: Outdoors (Line of Sight): Up to 120 m (400') Indoors/Urban: Up to 40 m (130') Included Software: Requires Windows® 7 (32 bit); XP or Vista Data Transmission to Host: Pressure reading, ambient temperature reading, RF transmit strength and battery level

Supported Applications

The Omega DPG409 is a high accuracy digital pressure gauge designed for harsh industrial environments, specifically engineered to survive washdown and marine applications. The series incorporates a rugged enclosure suitable for these demanding conditions while providing precise measurement across multiple pressure types.

  • Gauge Pressure
  • Absolute Pressure
  • Sealed Gauge Pressure
  • Compound Gauge Pressure
  • Vacuum Measurement
  • Barometric Pressure

Operating Conditions & Performance

The DPG409 series utilizes a precision silicon sensor with 316L stainless steel wetted parts, delivering an accuracy of ±0.08% BSL (compound gauge calibrated in positive direction only). The measurement range spans from 0-10 inH2O to 0-5000 psi (0-25 mb to 0-345 bar).

  • Operating Temperature: -18 to 66°C (0 to 150°F)
  • Storage Temperature: -40 to 82°C (-40 to 180°F)
  • Hysteresis and Repeatability: ±0.08% BSL
  • Long Term Stability: ±0.1% FS typical (1-yr)
  • Pressure Cycles: 1 million minimum

The unit features a large display with 25 mm (1") character height, readable at distances up to 11 m (35"). The sample/display rate is user selectable from 0.38 to 30 sec., preset to 1/sec.

Configuration Options

The series offers extensive configuration options for pressure type, range, and output requirements within a weatherproof NEMA 4X (IP65) enclosure constructed of 316 stainless steel with an ABS center gasket. The standard process connection is ¼-18 NPT male.

Power & Output

The gauge operates on two included 1.5 V alkaline C cell batteries (typical life up to 9 months) or an externally supplied dc voltage source required for analog output operation. User selectable analog outputs include:

  • 0 to 5 Vdc
  • 0 to 10 Vdc
  • 4 to 20 mA

Note: Compound gauge ranges have a unidirectional analog output equal to their full span (e.g., -15 to +15 psi = 0 to 10 Vdc). A set jumper selects current or voltage.

Configuration & Wireless Options

A standard USB connection allows setup via included configuration software, enabling selection of sample interval, units (psi, inHg, inH2O, bar, mbar, hPa), backlight settings, and High/Low alarm limits. An optional wireless transmitter feature (-W suffix) transmits data to a remote PC for charting and logging.

  • Wireless Frequency: ISM 2.4 GHz
  • Range (Line of Sight): Up to 120 m (400") outdoors; up to 40 m (130") indoors/urban
  • Compatible Receivers: UWTC-REC1, UWTC-REC2-(*) , UWTC-REC2-D-(*)

Key Product Differences

The DPG409 series is distinguished by its pressure type and range suffixes. Sealed gauge models are identified by the "SG" suffix (available on ranges ≥100 psi). Wireless capability is added via the "-W" suffix.

  • Pressure Types: Gauge, Absolute, Vacuum, Compound, Barometric
  • Ranges: 0-10 inH2O to 0-5000 psi (and metric equivalents)

The series includes a containment pressure rating that varies by range. For gauge pressures of 10 inH2O to 5 psi, the limit is up to 1000 psi; for 15 to 1000 psi ranges, it is up to 3000 psi; and for 1500 to 5000 psi ranges, containment reaches 10,000 psi. Absolute/Barometric pressure models (5 to 1000 psi) have a limit of 6000 psia.

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