DAP-2.5

DAP-2.5 Absolute Pressure Sensor

DAP-2.5 is an aviation absolute pressure sensor identified by its complete execution marking. Published family data identifies DAP sensors as devices for static and slowly changing absolute pressure of neutral and aggressive liquids and gases. The suffix 2.5 is retained exactly; its engineering units and calibrated range must be read from the passport rather than inferred from the number. The designation must be treated as the primary ordering reference because products from the same family can differ in range, electrical interface, calibration, connector, mounting arrangement or system role. External resemblance is not evidence of interchangeability. Selection should be made from the product passport, the aircraft illustrated parts catalogue and the approved maintenance documentation for the exact installation.

Operating function and signal path

The pressure-sensitive mechanism converts absolute pressure relative to an internal reference into a compatible electrical output. The unit is a sensing element within a larger aircraft circuit; it is not a complete indicator, controller or protective system by itself. Its output is interpreted by compatible receiving equipment, so supply characteristics, polarity or phase, connector pinout, load and calibration must match the documented configuration. Available catalogue data records 6 V DC excitation and a 1000-ohm potentiometer for the family. A general explanation of the underlying measurement class is available in this technical reference. That general reference explains the principle only and does not replace product-specific documentation.

Aircraft and equipment application

The exact aircraft and pressure circuit for DAP-2.5 are not confirmed by the available product-specific source and must be established from installation records. Where an aircraft or engine family is named, the statement identifies a documented installation context rather than universal applicability to every modification. The exact equipment set, production series and installed connector must be checked before ordering. Related products in the aviation sensors category are provided for catalogue navigation. The DAP-7 card is another same-category reference, but the link does not state that the two units are interchangeable or perform the same function.

Installation and maintenance checks

Before installation, technicians should compare the nameplate, suffix, connector, mounting faces and available acceptance record with the approved requirement. The housing, pressure ports or mechanical input, electrical contacts and sealing features should be inspected without altering calibration. Wiring continuity, insulation and output checks must follow the passport limits for this execution. Do not apply a supply voltage, pressure, acceleration, rotation or test signal taken from a neighbouring model. Storage condition and preservation date should also be reviewed when the unit has remained in stock for an extended period.

After installation, functional testing must be performed as part of the complete aircraft circuit, using approved test equipment and the limits defined by the maintenance manual. A correct bench response alone does not prove that the installation wiring, pneumatic lines, mechanical linkage or receiving unit is serviceable. Any discrepancy should be traced without adjusting sealed elements unless the repair documentation expressly authorises that procedure. The maintenance record should identify the fitted designation and serial number so that later troubleshooting does not confuse adjacent family executions.

Ordering DAP-2.5

An enquiry should state DAP-2.5, the required condition, quantity, aircraft or equipment context and the documentation needed with delivery. If the installed marking is incomplete, provide a clear photograph of the label, connector and mounting arrangement together with the relevant catalogue reference. Aviamisto can compare these identifiers before supply, but final installation approval remains with the operator or maintenance organisation. Technical Details below separates confirmed data from values that still require passport verification. Same-category cross-sells are navigation aids only; they must never be interpreted as approved replacements.

For a traceable quotation, also state whether a new-production unit, preserved stock item or another documented condition is acceptable. Requested acceptance documents, test records and packing requirements should be agreed before order placement.

Measured Variable: Absolute pressure

Working Media: Neutral and aggressive liquids and gases

Family Supply: 6 V DC

Family Potentiometer Resistance: 1000 Ω

Published Family Main Error: ±2%

Published Family Total Error: ±4% with destabilising factors

Published Family Temperature: −60 to +100 °C

Exact Calibrated Range: Confirm from the DAP-2.5 passport

Primary Designation: DAP-2.5

Original Cyrillic Designation: ДАП-2,5

Alternative Designations: DAP2.5; DAP 2.5; DAP-2,5; ДАП-2,5; ДАП 2,5

Manufacturer: Not confirmed for the offered unit

Aircraft / Equipment Application: According to the exact aircraft, engine or equipment documentation stated above

Installation Position: Confirm from the illustrated parts catalogue and maintenance manual

Connector / Pinout: Confirm from the passport for the exact execution

Interchangeability: Not established by family name or external appearance

Documentation: Product passport and applicable installation / maintenance documentation

Ordering Check: Full marking, suffix, connector, required condition and documents

Acceptance Control: Compare marking, interfaces and test record with the approved requirement before installation

Data Rule: Unlisted values must be confirmed from the exact passport and not copied from another execution

Related Products: Same-category links are navigation only and do not state interchangeability

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.