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The Evikon E2418-DF differential pressure transmitter measures small pressure differences in dry, clean air. Connect it to a compatible building management system, PLC or monitoring system for HVAC and room pressure applications.
Monitor small air-pressure differences with the Evikon E2418-DF. The transmitter provides analogue signals and Modbus communication for integration into building services and industrial monitoring systems.
For room pressure monitoring, select a range that covers both the normal pressure difference and expected excursions. For filter or ventilation measurements, check the highest differential pressure expected during operation.
| Application | What to specify |
|---|---|
| Room-to-room pressure monitoring | Normal pressure difference, positive or negative operation, and alarm thresholds required in the receiving system. |
| Cleanroom and laboratory ventilation | Required range, measurement performance and connection to the monitoring or building management system. |
| Air-filter pressure drop | Expected pressure difference with a clean filter and at the planned replacement threshold. |
| HVAC and air-handling equipment | Pressure tapping locations, operating conditions and required analogue or Modbus interface. |
Application suitability depends on the selected range and measurement requirements. Pressure tubing must deliver dry, clean air to the sensor.
| Model | Measurement range | Selection consideration |
|---|---|---|
| E2418-DF-50 | −50 to +50 Pa | For measurements that remain within the narrower pressure range. |
| E2418-DF-500 | −500 to +500 Pa | For installations requiring a wider differential pressure range. |
The analogue output scale can be configured within the selected model's measurement range. Specify the required lower and upper scale values when ordering.
| Item | Specification |
|---|---|
| Measured medium | Dry, clean air without dust, oil, mist or aggressive compounds |
| Sensing method | Thermal microflow |
| Resolution | 0.1 Pa |
| Zero-point accuracy | ±0.2 Pa |
| Span accuracy | ±3% of reading |
| Analogue outputs | Two outputs, user-selectable as 4–20 mA or 0–10 V |
| Digital interface | RS485 Modbus RTU |
| Power supply | 12–36 V DC standard; 24 V AC option |
| Enclosure | IP65-rated ABS housing for wall mounting |
| Operating conditions | −20 to +80°C; 35–85% RH |
Resolution and accuracy are different specifications. The 0.1 Pa resolution should not be interpreted as ±0.1 Pa measurement accuracy. Review the zero-point and span specifications against the pressure limits you need to monitor.
Evikon E2418-DF differential pressure transmitter. Specify the required pressure range and output configuration.
Contact us for pricing and availability. Include the required model or pressure range, application, normal operating pressure difference, output signal, power supply and quantity.
For replacement enquiries, send the existing nameplate photograph and wiring details. For a new monitoring installation, include the receiving controller or system model and any calibration documentation requirements.
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The Evikon E2418-DF differential pressure transmitter measures small pressure differences in dry, clean air. Connect it to a compatible building management system, PLC or monitoring system for HVAC and room pressure applications.
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