Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -25 - 25 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
The DPT30-R8 is engineered to monitor differential pressure across sensitive applications involving air and other non-corrosive gases. With a finely tuned range from -25 to +25 mbar and 1% full scale accuracy, it suits cleanroom controls, filter monitoring, and HVAC systems. Its IP65-rated housing ensures reliable operation even in demanding industrial environments.
Setting up the DPT30-R8 is straightforward due to its push-button zero/span adjustment and factory-calibrated processing. The transmitter features intuitive screw terminal connections for power and output, allowing quick integration. The digital display provides immediate visual feedback, which aids on-site technicians during setup and maintenance activities.
FAQs of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -25 - 25 mbar:
Q: How do I install the Sensocon DPT30-R8 Differential Pressure Transmitter?
A: The DPT30-R8 is designed for wall mounting and includes the necessary accessories. To install, simply secure the unit at the desired location, connect the 24 VDC (1236 VDC) power supply using the screw terminals, and attach your input/output lines. The transmitter is suitable for use with air and other dry, non-aggressive gases.
Q: What types of media can the DPT30-R8 measure?
A: This transmitter is compatible exclusively with dry, non-corrosive and non-aggressive gases, such as clean air. It is not suitable for use with liquids or corrosive substances.
Q: When should zero and span adjustments be performed?
A: Zero and span adjustments via the push button should be performed during initial installation or after maintenance to ensure accurate readings. The digital display assists in verifying that the transmitter is correctly calibrated before operation.
Q: Where can this differential pressure transmitter be used?
A: The DPT30-R8 is suitable for industrial-grade applications such as HVAC systems, filter and duct monitoring, laboratory environments, and cleanroom controls wherever precise, low-pressure differential measurement is required.
Q: What is the output signal and how is it used?
A: The output is a standard 420 mA current loop, widely used for process control and data acquisition systems. Connect the transmitter to your compatible receiving device to enable continuous monitoring of pressure changes.
Q: How does the DPT30-R8 ensure durability in tough environments?
A: Encased in an IP65-rated, matte/anodized ABS plastic housing and equipped with a silicone seal, the transmitter resists dust, moisture, and other environmental hazards, making it well-suited for industrial facilities.