Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range 0 - 15 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
Rely on the DPT30-R8 for reliable monitoring of air and compatible gases. The electronic sensor ensures accuracy within 1% full scale, a rapid response time under 100 milliseconds, and minimal temperature effect, making it ideal for demanding industrial settings.
This transmitter accommodates varied mounting requirementssurface or panelwith included hardware and a polycarbonate IP65-rated enclosure suitable for any orientation. The screw terminal block allows easy and secure electrical connections, supporting power supplies between 12 and 36 VDC.
Front-accessible push buttons simplify zero and span calibration, reducing downtime and maintenance effort. The absence of an integrated display ensures a compact size, while LED indicators confirm operation status without the risk of confusion in measurement.
FAQs of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range 0 - 15 inWC:
Q: How is the Sensocon DPT30-R8 Differential Pressure Transmitter mounted and installed?
A: The DPT30-R8 can be installed in any orientation, either as a surface or panel mount using the provided mounting hardware. Electrical connections are made via a screw terminal block, and standard 1/8 NPT female threads accommodate industry-standard fittings.
Q: What process media are compatible with this differential pressure transmitter?
A: This transmitter is designed specifically for measuring dry, non-corrosive gases such as air. It should not be used with liquids or corrosive gases to ensure reliable performance and longevity.
Q: When should I perform zero and span adjustments on the device?
A: Zero and span adjustments should be performed during initial commissioning and periodically as part of routine maintenance or whenever calibration drift is suspected. These adjustments are easily carried out using the front-accessible push buttons.
Q: What are the benefits of the 4-20 mA (2-wire) output signal?
A: A 4-20 mA (2-wire) output offers reliable signal transmission over long distances, immunity to electrical noise, and is widely compatible with industrial automation and monitoring systems, making integration straightforward.
Q: How does the device ensure accurate readings despite temperature changes?
A: The DPT30-R8 features temperature compensation that limits the effect to less than 0.03% of full scale per C, maintaining measurement accuracy across the -10C to +50C operating range.
Q: Where is this differential pressure transmitter typically used?
A: It is suited for industrial environments that require accurate monitoring of air or compatible gases, such as HVAC systems, cleanrooms, filter monitoring, and process control in manufacturing facilities.
Q: What maintenance is required for continued optimal performance?
A: Routine inspections for secure mounting, checking electrical connections, and periodic recalibration via the zero and span buttons are recommended to maintain consistent performance and accuracy over time.