Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range 0 - 20 inWC
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
With its capacitive sensor and factory calibration, the DPT30-R8 ensures reliable and accurate pressure readings for a variety of critical applications, such as HVAC, air flow monitoring, and building automation. Its robust construction and advanced features make it suitable for demanding environments, supporting industrial-grade performance.
Equipped with push-button digital zero and span adjustments, the DPT30-R8 simplifies on-site setup and calibration. The product includes all necessary mounting accessories and features a screw terminal electrical connection, ensuring quick, secure installation to walls or ducts for ultimate convenience.
The transmitters 020 inWC range, compatibility with air and non-combustible gases, and IP65 front ingress protection make it highly adaptable. It is CE marked and RoHS compliant, giving users assurance of regulatory compliance and environmentally responsible construction.
FAQs of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range 0 - 20 inWC:
Q: How do I install the Sensocon DPT30-R8 Differential Pressure Transmitter?
A: To install the DPT30-R8, mount the enclosure to a wall or duct using the included screws. Connect the high and low pressure ports with 1/8 NPT female fittings and wire the device to a 1035 VDC power supply using the internal screw terminal block. Ensure the device is level for accurate measurements.
Q: What is the main application of the DPT30-R8 pressure transmitter?
A: The primary applications are HVAC systems, airflow monitoring, filter status indication, and building automation. It accurately measures differential pressure of air and compatible non-combustible gases, making it suitable for a wide range of industrial and commercial environments.
Q: When do I need to perform zero and span calibration on this transmitter?
A: Zero and span adjustments should be performed during initial installation or whenever you suspect output drift, such as after physical shocks or significant environmental changes. Digital push buttons make recalibration straightforward and precise.
Q: Where should I use the DPT30-R8 for optimal performance?
A: Install the transmitter in clean, dry, indoor environments within the specified temperature limits (10 C to +50 C). It is best suited to applications like ducts, fan monitoring points, and other HVAC control locations.
Q: What is the process for adjusting the zero and span on the DPT30-R8?
A: Simply use the digital push buttons located on the device front to perform zero and span calibration. Refer to the user manual for specific steps. This digital method ensures quick and accurate adjustments, minimizing downtime.
Q: How does using the DPT30-R8 benefit my system?
A: The unit provides accurate, real-time differential pressure readings, allowing for proactive maintenance (like filter replacement), improved airflow control, and enhanced energy efficiency across HVAC and building automation processes.