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 transmitter boasts a 1% full-scale accuracy, making it ideal for demanding applications like HVAC systems, clean rooms, building automation, and filter monitoring. Capable of measuring pressure in steam, oil, and gas, it serves as a reliable solution across various industrial and commercial environments. Its precise sensing improves operational efficiency and process safety.
Designed for convenience, the DPT30-R8 features a digital LCD display for clear readings and push-button digital zero/span adjustment. Wall mounting is simple with supplied screws and a compact ABS enclosure. The terminal block electrical connection and 1/8 BSP female threads support straightforward integration into existing setups.
Engineered with IP65 protection and a silicone seal for environmental resistance, the DPT30-R8 withstands harsh conditions. The ABS plastic enclosure enhances longevity, while overpressure protection up to 2x rated pressure guards the sensor. Its microcontroller-based electronics further ensure stable long-term performance.
FAQ's 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: To install the DPT30-R8, secure the unit on a wall using the included mounting screws, connect power (24V DC) and signal wires to the terminal block, and attach the process connections using the 1/8 BSP female thread ports. Complete setup following the user manual for optimal results.
Q: What applications is the DPT30-R8 suitable for?
A: The DPT30-R8 is designed for HVAC systems, clean rooms, filter monitoring, building automation, and other industrial sectors. It can measure pressure in steam, oil, and gas across processes requiring reliable differential pressure monitoring.
Q: When should I use the zero and span adjustment feature?
A: Utilize the push-button digital zero/span adjustment during commissioning or routine calibration to ensure precise pressure readings. Adjustments may also be required after maintenance or process changes to maintain accuracy.
Q: Where can the DPT30-R8 be deployed for optimal performance?
A: This transmitter is ideal for indoor installations, especially in clean environments like control rooms, mechanical rooms, in proximity to HVAC ducts, or any location requiring robust pressure monitoring within the specified temperature range of -10C to +60C.
Q: What steps are involved in calibrating the transmitter?
A: Calibration involves applying known pressure references to the transmitter's process port, then using the push-button digital controls to set zero and span points according to the user manual. This ensures the output matches actual process pressure accurately.
Q: How does the DPT30-R8 enhance process safety and control?
A: By providing high-accuracy real-time digital readings and a reliable 4-20 mA output, the DPT30-R8 helps operators maintain process parameters within safe limits, reduce downtime, and prevent inefficient operation, leading to improved overall system safety and control.