Keram KDP210 Series Differential Pressure Transmitter

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Ranges: -4000 to +4000Pa
Display: LCD Backlight
Outputs: 4 ~ 20mA (2-Wires)

Availability: Only 5 left in stock

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Ranges: -1000 to +1000Pa
Display: LCD Backlight
Outputs: 4 ~ 20mA (2-Wires)

Availability: Only 5 left in stock

The Keram Controls KDP210 is a high-precision, ultra-low differential pressure transmitter engineered for exceptional accuracy, rapid response characteristics, and outstanding installation flexibility in demanding environmental monitoring loops. Specifically optimized for tracking clean, neutral gas lines, this sophisticated digital instrument is widely deployed across pharmaceutical cleanrooms, precision electronics factories, large commercial buildings, medical centers, and public transportation hubs. At its design core is a versatile multi-range tracking system combined with a backlight LCD display and an intuitive onboard button program that allows users to seamlessly customize measurement damping time and toggle engineering units on the fly. Protected within a ruggedized, weather-tight IP65 housing, the KDP210 supports convenient mounting with a closed cover via external fastening holes to safeguard internal circuitry during field commissioning. Offering standard 2-wire/3-wire analog loops, digital RS-485 Modbus communication, and a highly stable Auto-Zero calibration function, it delivers superior long-term stability and clean telemetry density for advanced HVAC and Building Automation Systems (BAS).

Key Product Features

  • Highly Flexible Multi-Range Selection: Natively covers adjustable operational spans ranging from -25/+25 Pa up to -10,000/+10,000 Pa depending on the specific model sub-type configuration.
  • Onboard Auto-Zero Manual Calibration: Simplifies routine maintenance via an integrated pushbutton routine that executes precise zero-point drift correction without requiring separate calibration hardware.
  • Vibrant Backlight LCD Interface: Locally details continuous differential pressure values, active engineering units, and system settings, featuring multi-unit conversion across Pa, mmH2O, mmHg, and mbar.
  • All-in-One Multi-Signal Telemetry: Outfitted with versatile output choices selectable by model code, including 4-20mA loops (2-wire or 3-wire), 0-5/0-10VDC lines, or digital RS-485 networks.
  • Rugged Sealed Mounting Profiling: Built into a heavy industrial IP65 enclosure with external mounting holes to enable high-speed wall surface installation while keeping the main terminal cover securely closed against dust and moisture.
Keram KDP210 Technical Specifications
● POWER SECTION
Power Supply OptionsDependent on output loop configuration selection:
Standard voltage, current 3-wire, or RS-485 operations run on regular low-voltage industrial grids.
Power Consumption< 3 W maximum active electrical power load.
● INPUT SECTION
Measurement Ranges MatrixFully adjustable across model categories:
Range Code 1: -100 to +100 Pa
Range Code 2: -1,000 to +1,000 Pa
Range Code 3: -2,000 to +2,000 Pa
Range Code 4: -10,000 to +10,000 Pa
*Note: Baseline spans adjustable down to -25/+25 Pa boundaries according to sub-model scaling.
Pressure Media CompatibilityAir and neutral gases.
Tolerated OverpressureRobust burst overpressure margin; wetted sensor core structure blocks downstream pressure spikes.
● OUTPUT SECTION
Output Signal FormatsSelectable via model ordering code designations:
Code E: 4 to 20 mA active loop retransmission (2-wire configuration)
Code F: 4 to 20 mA retransmission (3-wire configuration)
Code G: 0 to 5 VDC or 0 to 10 VDC linear signal (3-wire configuration)
Code H: Digital RS-485 serial bus interface
Selectable Measurement UnitsPascal (Pa), Millimeters of Water (mmH2O), Millimeters of Mercury (mmHg), or Millibar (mbar).
Local HMI Display WindowIntegrated backlight LCD screen providing sharp local visual display of process pressure parameters.
● PERFORMANCE
Standard Accuracy Class< ±1.0% of full scale (FS) across standard environmental bounds from -5 to +65°C.
Dynamic Response Time0.5 second rapid loop response time baseline.
Measurement Repeatability±0.01% of full scale (FS) stability shift per year.
Visual Display Resolution0.1 Pa | 0.1 mmH2O | 0.01 mbar | 0.01 mmHg
Manual Zero-Point ExecutionPushbutton manual calibration routine; requires connecting electrical power supply lines 1 hour prior.
*Execution Rule: Release connection tubes from “+” and “-” ports, press and hold zero button for 3 seconds, then reinstall process tracking tubes. Recommended execution schedule every 12 months.
● PHYSICAL
Installation ProfilingIntegrated external mounting holes allow surface attachment with the terminal block cover sheet fully closed.
Pressure Port ConnectionsDual mechanical barb terminals marked for high-pressure (+) and low-pressure (-) connection tube lines.
Commissioning InterfacesOnboard setting button allows manual entry to scale loop response time parameters directly from the front array.
● STANDARDS CONFORMITY
Atmospheric Operating RangesOperating Ambient Temperature boundaries: -20 to +70°C
Storage Ambient Temperature boundaries: -40 to +60°C
Environmental Protection ClassIP65 dust-tight and weatherproof certified enclosure containment structure.
Product Disposal BaselineWEEE compliant core layout; contains valuable materials that should be forwarded to local industrial hardware recycling lines rather than general waste.

Download Keram KDP210 Series Differential Pressure Transmitter information here

Datasheet: Keram KDP210 Differential Pressure Transmitter Data Sheet 
Manual: Keram KDP210 Installation Guide Air Differential Pressure Transmitter

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