Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -127 - 127 mmWC
APPLICATIONS
DPT-R8 series devices are commonly used in HVAC/R systems for: Fan, blower and filter monitoring Pressure and flow monitoring Valve and damper control Pressure monitoring in clean rooms
WARNING
READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING TO INSTALL, OPERATE OR SERVICE THIS DEVICE.
Failure to observe safety information and comply with instructions could result in PERSONAL INJURY, DEATH AND/ OR PROPERTY DAMAGE.
To avoid electrical shock or damage to equipment, disconnect power before installing or servicing and use only wiring with insulation rated for full device operating voltage.
To avoid potential fire and/or explosion do not use in potentially flammable or explosive atmospheres.
Retain these instructions for future reference.
This product, when installed, will be part of an engineered system whose specifications and performance characteristics are not designed or controlled by Sensocon. Review applications and national and local codes to assure that the installation will be functional and safe. Use only experienced, knowledgeable, technicians to install this device.
SPECIFICATIONS
Performance Accuracy (at applied pressure) Ranges < 0.5 inWC = 0.01 inWC Ranges 0.5 inWC = 1.5% inWC Accuracy specifications include: general accuracy, temperature drift, linearity, hysteresis, long term stability, and repetition error
Thermal Effects Temperature compensated across the full spectrum of capability
Overpressure Proof Pressure: 100 inWC Burst Pressure: 120 inWC
Zero Point Calibration Automatic with function or Manual push-button Auto-Zero
Response Time 4.0 0.8 sec, Selectable via Jumper
Technical Specifications Media Compatibility Dry air or non-aggressive gases
Measuring Units (select via Jumper) Pa, kPa, mbar, inWC, mmWC Measuring Element Piezoresistive
Environment: Operating Temperature: 14 122F (-10 50C) Storage Temperature: -4 158F (-20 70C) Humidity: 0 to 95 % rH, non condensing
Physical Case Dimensions: 3.54 x 3.74 x 1.4 (90.0 x 95.0 x 36.0 mm) Weight: 5.3 oz (150 g) Mounting: 2 each 0.1875 (4.3 mm) screw holes, one slotted Materials: Case: ABS (UL 94 V-0 Approved) Lid: PC (UL 94 V-1 Approved) Protection standard: IP54 / NEMA3
Display (optional) 3 1/2 Digit LCD Backlit Display 2-Line Display (12 character/line) Size: 1.81 W x 0.57 H (46.0 x 14.5 mm)
Electrical connections: 4 screw terminal block Wire: 12-24AWG (0.2 1.5 mm2
Cable Entry Strain Relief: M16 Knockout : 0.625 (16mm)
Pressure Fittings 3/16 (5.2mm) barbed brass + High pressure Low pressure
Electrical Voltage Circuit: 3-wire ([V Out], 24V, GND) Input: 24VAC or VDC, 10% Output: 0-10V or 0-5V, selectable via Jumper Power Consumption: <1.0W Resistance Minimum: 1k
Current Circuit: 3-wire (mA Out, 24V, GND) Input: 24VAC or VDC, 10% Output: 4
This device supports both 4-20 mA and 0-10 VDC selectable output signals, allowing seamless integration with various industrial systems. Calibration is simple, thanks to push-button and remote zero & span adjustment, ensuring accuracy and ease of use for maintenance teams.
Built with an anodized aluminum housing and ABS plastic, the DPT30-R8 offers IP54 ingress protection for use in challenging environments. It measures pressure from -127 to +127 mmWC with 1% accuracy, making it ideal for steam, oil, and gas applications involving dry, clean, non-aggressive gases.
Users benefit from selectable display units (mmWC, Pa, kPa) on an intuitive LCD digital screen. Its fast response time (<1 second) and broad operating temperature range (-10C to +60C) ensure consistent, real-time data in dynamic industrial processes.
FAQ's of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -127 - 127 mmWC:
Q: How do I select between the 4-20 mA and 0-10 VDC output signals on the Sensocon DPT30-R8?
A: Output selection is straightforward and can be accomplished using internal wiring or configuration per the user manual, allowing you to match your transmitter's signal with the requirements of your monitoring or control system.
Q: What types of media can the DPT30-R8 measure pressure for?
A: This differential pressure transmitter is designed to accurately measure dry, clean, non-aggressive gases, and is suitable for use in applications involving steam, oil, or gas.
Q: When and how should I perform zero and span adjustment on this transmitter?
A: Zero and span adjustments can be performed during installation, periodic maintenance, or after process changes using the device's push-button or remote calibration feature, ensuring ongoing accuracy in measurements.
Q: Where is the ideal location for installing the DPT30-R8 transmitter?
A: It should be surface-mounted on a stable structure within the measured process area, and protected from direct exposure to liquid media or highly corrosive environments, as it is IP54-rated and designed for dry gases.
Q: What is the process for changing the display units on the LCD screen?
A: You can easily switch between mmWC, Pa, and kPa units through the device's user interface, allowing you to customize the readout according to application needs or operator preference.
Q: How does using this transmitter benefit industrial operations?
A: The DPT30-R8 provides fast (response time <1 second), highly accurate pressure measurements (1% FS), user-friendly calibration, and a durable design, ultimately enhancing process control and operational reliability.