Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -1250 - 1250 Pa
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
The DPT30-R8 offers precise differential pressure measurements in a wide range from -1250 to +1250 Pa, making it suitable for demanding industrial and commercial environments. It supports a variety of applications, including HVAC systems, clean rooms, and filter performance monitoring, ensuring optimal air quality and system efficiency.
Engineered with an IP65-rated ABS plastic enclosure and brass pressure connections, the transmitter ensures durability and protection against harsh conditions. Its digital LCD display and user-friendly push-button zero/span adjustment simplify on-site configuration and maintenance tasks.
The selectable output signal (4-20 mA or 0-10 V) and dual power supply options (24 VDC / 24 VAC) enhance the transmitter's compatibility with various building management and automation systems. Wall mount design and screw terminal connections streamline installation in new or existing setups.
FAQ's of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -1250 - 1250 Pa:
Q: How do I select between the 4-20 mA and 0-10 V output signals on the DPT30-R8?
A: The DPT30-R8 transmitter features selectable output signals, allowing you to choose between 4-20 mA and 0-10 V depending on your system requirements. Selection is typically made via the internal jumper or switch on the device. Detailed steps can be found in the provided manual.
Q: What is the process for adjusting the zero and span settings on this differential pressure transmitter?
A: Zero and span can be easily adjusted on the DPT30-R8 using the integrated push-buttons on the transmitter. This adjustment process ensures accurate calibration and compensation for local installation conditions, contributing to long-term measurement reliability.
Q: Where is the DPT30-R8 typically installed and what mounting options are available?
A: The DPT30-R8 is designed for wall mounting, making it ideal for permanent installation in HVAC rooms, machinery spaces, or building management panels. The package includes mounting screws and instructions for a straightforward and secure installation.
Q: What types of media can be safely measured by the DPT30-R8 transmitter?
A: The device is compatible with dry air and non-aggressive gases, such as those found in HVAC and clean room applications. It is not recommended for use with corrosive gases or liquids to prevent damage to the sensor and ensure measurement accuracy.
Q: How accurate is the Sensocon DPT30-R8 and what benefit does this provide?
A: The device has an accuracy of 1% of full-scale range, enabling precise monitoring of pressure fluctuations. This high level of accuracy is essential for sensitive environments like clean rooms and filter monitoring where precise data supports efficient system regulation.
Q: When should this transmitter be used for filter monitoring and building automation?
A: Use the DPT30-R8 whenever real-time monitoring of pressure differentials across filters, fans, or controlled environments is required. Its fast response time (<1s) and digital display allow immediate detection of system performance changes, aiding in timely maintenance and energy efficiency.
Q: What approvals and certifications does the DPT30-R8 carry for industrial use?
A: The Sensocon DPT30-R8 is CE marked, signifying conformity with European safety, health, and environmental protection standards. This ensures its suitability for both industrial and commercial installations.