Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range 0 - 10 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
The DPT30-R8 specializes in detecting minute pressure changes from 0 to 10 inWC, making it suitable for HVAC systems and filter monitoring. Its electronic processing ensures high accuracy (1% of full scale) and a fast response time of less than one second, allowing real-time data for process optimization and equipment protection.
Installation is straightforward with wall-mount capability and barbed pressure ports compatible with standard 1/8 inch ID tubing. The package includes mounting screws and an instruction manual for quick setup. The ABS plastic housing provides a smooth, durable exterior, and screw terminal electrical connections simplify wiring.
Designed for industrial use, the DPT30-R8 functions optimally between -10C and +50C, handling non-condensing humidity up to 95% RH. Its IP54 front panel offers ingress protection against dust and water splashes, making it suitable for challenging environments. Robust EPDM seals further enhance its dependability.
FAQ's of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range 0 - 10 inWC:
Q: How do I install the Sensocon DPT30-R8 Differential Pressure Transmitter?
A: Mount the transmitter on a wall using the provided mounting screws. Connect pressure tubing to the barbed pressure ports (1/8 inch ID), and complete the wiring with screw terminals, following the included instruction manual for guidance.
Q: What applications is the DPT30-R8 suitable for?
A: The DPT30-R8 is ideal for HVAC systems, building automation, filter monitoring, duct static pressure measurement, and the differential measurement of steam, oil, and gas in industrial settings.
Q: When should I use a differential pressure transmitter with a 4-20 mA output?
A: A 4-20 mA output transmitter like the DPT30-R8 is recommended when you need reliable, long-distance signal transmission without significant degradation or noise interference-common in automated building control and process environments.
Q: Where can the DPT30-R8 be mounted?
A: The transmitter is designed for wall mounting in indoor industrial or commercial locations, near ducts or filters where differential pressure needs monitoring. Ensure it is not placed in areas with condensing humidity or direct water exposure.
Q: What is the process for connecting this transmitter to my monitoring system?
A: Connect the two-wire output (4-20 mA) to your PLC or data acquisition system using the screw terminals. Ensure the power supply is within the 12-36 VDC range, and check polarities according to the wiring diagram provided.
Q: How does the DPT30-R8 benefit HVAC or building automation systems?
A: By enabling continuous and accurate monitoring of pressure differentials, the DPT30-R8 helps optimize air flow, enhances energy efficiency, alerts to filter blockages, and ensures safety within HVAC and building automation applications.
Q: What is the maintenance required for the DPT30-R8?
A: The DPT30-R8 requires minimal routine maintenance. Regularly inspect pressure ports for blockages and check tubing connections for integrity. Calibration may be needed periodically to maintain optimal accuracy.