Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range 0 - 380 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 ensures reliable differential pressure readings for critical applications such as HVAC systems, cleanrooms, filter monitoring, and dust collectors. Its robust construction, IP65 ingress protection, and fast response time make it well-suited for demanding industrial environments, supporting operational consistency and equipment safety.
Featuring external push button adjustments for zero and span, the transmitter simplifies calibration and maintenance. The digital LCD display provides immediate, clear readings, while screw terminal connections and included mounting brackets streamline installation. Its ABS plastic housing ensures durability and a professional appearance in a wide range of locations.
FAQs of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range 0 - 380 mmWC:
Q: How is the DPT30-R8 Differential Pressure Transmitter installed?
A: The DPT30-R8 can be easily wall-mounted using the supplied mounting bracket. Wiring is straightforward with screw terminal connections. Simply follow the user manual for proper connection to a 24VDC power supply and 420mA output integration into your monitoring system.
Q: What types of media can be measured by this transmitter?
A: The DPT30-R8 is designed for measuring the pressure of dry, clean, non-corrosive gases, making it ideal for air and similar applications in HVAC, cleanrooms, and filter monitoring.
Q: When should I adjust the zero and span settings?
A: Zero and span adjustments are typically performed during initial setup or routine maintenance. External push buttons make this process quick and efficient, helping maintain measurement accuracy over time.
Q: Where can the DPT30-R8 be used effectively?
A: This transmitter is suitable for indoor industrial locations such as HVAC control panels, cleanrooms, dust collection systems, and any environment requiring precise differential air pressure monitoring, provided the medium is non-corrosive and dry.
Q: What is the process for connecting the electrical supply and signal output?
A: Connect the 24VDC power supply to the corresponding screw terminals, and interface the 420mA signal output to your monitoring or control system. Always refer to the wiring diagram in the user manual for correct connections.
Q: What are the benefits of using a digital LCD display and ABS housing?
A: The digital LCD display offers clear, immediate readouts of pressure values, minimizing errors. ABS plastic housing provides durability, corrosion resistance, and a smooth finish that stands up well to industrial and laboratory conditions.