Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -380 - 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 offers reliable monitoring of differential pressures from -380 to 380 mmWC with high accuracy (1% of full scale). Its solid state electronics ensure fast response times and consistent performance, making it ideal for sensitive HVAC, cleanroom, and process automation applications where accuracy is essential.
With its digital LCD display, external push button for zero and span adjustment, and screw terminal blocks, the DPT30-R8 simplifies setup and routine maintenance. The unit includes all necessary mounting hardware, supports surface or wall mounting options, and is designed for ease of integration into existing systems.
Housed in a robust, powder-coated ABS plastic enclosure with an IP65 rating, the DPT30-R8 is built to withstand demanding industrial environments. Its synthetic rubber (NBR) seals and non-corrosive materials make this unit suitable for long-term use with air and non-corrosive gases.
FAQs of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -380 - 380 mmWC:
Q: How does the Series DPT30-R8 Differential Pressure Transmitter operate?
A: The Series DPT30-R8 measures the difference in pressure between its two ports and outputs a corresponding 4-20 mA analog signal for monitoring or control. Its solid state electronics ensure rapid response times, accurately reflecting changes in air or non-corrosive gas pressures.
Q: What are the typical applications for the DPT30-R8 transmitter?
A: This transmitter is commonly used in HVAC systems, clean rooms, filter monitoring, and fan or pump control. It is suitable for any industrial setting requiring precise measurement of differential pressure in air or non-corrosive gas environments.
Q: When should I perform zero and span adjustment on the device?
A: Zero and span adjustments should be carried out during installation or routine calibration checks. The external push buttons make this process simple, ensuring the transmitter maintains optimal accuracy over its operational lifespan.
Q: Where can the DPT30-R8 transmitter be installed?
A: It can be mounted on a surface or wall close to the area where differential pressure needs to be measured. Its compact design and IP65 enclosure allow it to be used in both protected indoor and industrial areas with mild exposure to dust and moisture.
Q: What process connections does the DPT30-R8 support?
A: The transmitter features two female 1/8" NPT ports for easy connection to pressure lines. These connections are compatible with standard pneumatic fittings used in industrial and HVAC applications.
Q: What are the benefits of using the DPT30-R8 in industrial applications?
A: Benefits include high accuracy, fast response time, robust construction, ease of calibration, digital LCD readout, and compatibility with standard industrial control systems, resulting in improved system monitoring and energy efficiency.