Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -127 - 127 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 provides accurate differential air pressure readings essential for HVAC, cleanrooms, and filter monitoring. Its wide range and high accuracy make it suitable for industrial environments requiring dependable monitoring of air and non-corrosive gases.
With both surface and panel mounting options and an included mounting bracket, the transmitter ensures flexible installation. The easy-to-read LCD display, zero adjustment button, and clear installation manual enable swift setup and ongoing operation.
The rugged polycarbonate housing and IP65 protection safeguard the device against environmental challenges, while its silicone sensor and wetted parts ensure accurate operation in clean, moist, or dusty air handling settings.
FAQs of Sensocon USA Differential Pressure Transmitter Series DPT30-R8 - Range -127 - 127 mmWC:
Q: How do I install the Sensocon DPT30-R8 differential pressure transmitter?
A: Installation is straightforwardsecure the device using the included mounting bracket for either surface or panel mounting. Connect the pressure ports (1/8" NPT female) to your air lines, wire the 24V DC power and 4-20mA output to your control system, and follow the installation manual for detailed setup instructions.
Q: What types of media can the DPT30-R8 measure pressure in?
A: The DPT30-R8 is specifically designed to measure the differential pressure of air and other non-corrosive gases, making it ideal for HVAC, cleanrooms, and filtration systems where clean media is involved.
Q: When should I use the zero adjustment button on the transmitter?
A: Use the zero adjustment button during initial setup, after maintenance, or if you notice drift in baseline readings. This ensures that the device maintains accurate zero-point calibration for reliable measurements.
Q: Where can this transmitter be used for optimal performance?
A: It is optimized for industrial HVAC systems, cleanrooms, filter banks, and air handling units, particularly where precise air flow and pressure monitoring are vital. The IP65 rating allows installation in moderately dusty or moist environments.
Q: What benefits does the 4-20mA output signal provide?
A: The 4-20mA output signal offers robust, noise-resistant transmission over long cables and easy integration with standard control and monitoring equipment common in industrial automation and building management systems.
Q: How does the devices protection class (IP65) benefit my application?
A: IP65 protection ensures that the transmitter is dust-tight and resistant to water jets, increasing reliability and durability in environments where exposure to dust or moisture is a concern.
Q: What is the process for zero and span adjustment on this device?
A: Zero adjustment is accomplished simply by pressing the designated button on the enclosure. Span adjustment is internal and not user-configurable, as the transmitter is calibrated from the factory for the specified range (-127 to 127 mmWC).