Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -12.5 - 12.5 mbar
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
Engineered for accuracy, the DPT30-R8 measures low differential pressures across a variety of media, such as steam, oil, and gas. Its 1% full-scale accuracy delivers dependable readings, while the digital LED display provides real-time data for process monitoring and control.
Supplied with mounting screws and an installation manual, this transmitter features a wall-mount design for straightforward setup. Pushbutton digital adjustment enables effortless zero and span calibration, optimizing measurement integrity and minimizing downtime.
Constructed with flame retardant ABS plastic and rated IP54, the DPT30-R8 is built to withstand demanding industrial conditions. The unit's NBR seals and compact design (117 x 86 x 36 mm) offer protection and reliability, while the PG9 cable gland ensures secure electrical connections.
FAQ's of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -12.5 - 12.5 mbar:
Q: How do I install the Series DPT30-R8 Differential Pressure Transmitter?
A: The DPT30-R8 is designed for wall mounting and includes the necessary mounting screws and installation manual. Simply attach the unit to a stable surface, connect the push-on hoses to the pressure ports, and follow the wiring diagram to connect the screw terminals. Ensure the power supply is within 12-36 VDC.
Q: What media can the DPT30-R8 measure pressure for?
A: This transmitter is suitable for measuring differential pressure in steam, oil, and gas systems, providing flexibility for various industrial applications that require precise monitoring.
Q: When should I use the zero and span adjustment feature?
A: Use the pushbutton digital zero and span adjustment during initial setup or recalibration if you observe measurement drift over time, ensuring ongoing accuracy at both low and high points of your pressure range.
Q: Where can I view the pressure readings on the DPT30-R8?
A: Pressure readings are displayed in real time on the unit's digital LED display, allowing operators to monitor system status directly at the installation site.
Q: What are the benefits of using the 4-20 mA output signal?
A: The 4-20 mA (2-wire) output provides robust and interference-resistant signal transmission over long distances, making it ideal for industrial monitoring and control systems.
Q: How can I adjust the response time of the transmitter?
A: The DPT30-R8 features an adjustable response time of less than 1 second. Refer to the installation manual for details on configuring the response time to match your process's dynamic requirements.
Q: What protections does the DPT30-R8 offer for harsh environments?
A: With an IP54 protection class and flame retardant ABS housing, the transmitter is protected against dust and splashing water, ensuring reliable operation in demanding industrial environments.