Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range 0 - 635 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
The DPT30-R8 Differential Pressure Transmitter is engineered for critical applications where reliable measurement of air or non-corrosive gases is essential. With its advanced solid-state electronic sensor, this model provides accurate feedback across a full-scale 0635 mmWC range. The units quick response time and robust build make it ideal for continuous operation in a variety of industrial environments.
Constructed with an ABS plastic housing and an aluminum mounting plate, the DPT30-R8 stands up to demanding conditions while offering straightforward wall-mount installation. Screw-terminal connections and included mounting screws ensure fast, secure setup, and the IP54 ingress protection means safe operation even in dust-prone environments.
FAQs of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range 0 - 635 mmWC:
Q: How do I install the Sensocon DPT30-R8 Differential Pressure Transmitter?
A: The DPT30-R8 is designed for wall mounting. Use the included mounting screws and follow the instructions in the manual. Electrical connections are made via screw terminals, ensuring a secure setup. Always confirm voltage compatibility (1236 VDC) before powering the device.
Q: What applications are suitable for this pressure transmitter?
A: This transmitter is suited for HVAC systems, filter and duct static pressure monitoring, and processes where differential measurement of air and compatible gases is needed. Its industrial-grade construction makes it suitable for rigorous environments.
Q: When should zero adjustment be performed on the DPT30-R8?
A: Zero adjustment should be made during initial commissioning and periodically during maintenance to ensure continued measurement accuracy. Adjustment can be completed using either the push-button or screw, as detailed in the instruction manual.
Q: Where should the DPT30-R8 be positioned for optimal performance?
A: Install the unit on a stable wall surface, as close as possible to the pressure measurement point. Position it away from areas of excess vibration, high moisture, or direct sunlight to maintain accuracy and prolong the service life.
Q: What is the process for connecting the wiring to the transmitter?
A: The transmitter features screw terminal electrical connections. Strip the wire ends, insert them into the appropriate terminals according to the wiring diagram provided, and tighten the screws for a reliable connection. Ensure power supply specifications are met before use.
Q: How does using the DPT30-R8 benefit my system?
A: Integrating this transmitter delivers precise differential pressure monitoring with a fast response time. Its reliability and 1% full scale accuracy help maintain system efficiency, ensure timely filter changes, and protect sensitive equipment from pressure variations.