The Aifengpeng AF6900 duct leakage testing machine user manual provides setup, operation, safety, and maintenance instructions.
The AF6900 duct leakage testing machine is designed for testing the airtightness of air‑conditioning ducts, both segmented and whole‑system installations, to ensure efficient HVAC performance. It features a 4.7‑inch LCD touch screen, multiple flow measurement tools, and data storage for up to 1000 test sets.\n\nThis manual covers product specifications, installation of the instrument and duct connections, high‑ and low‑leakage testing procedures, interface navigation, parameter settings, data export via USB, troubleshooting, warranty information, and relevant duct‑testing standards. This manual is written in Chinese.
| Flow range (matrix) | 36–640 m³/h |
|---|---|
| Nozzle flow range | 4–36 m³/h |
| Accuracy (flow) | ±2.5% ±0.1 m³/h |
| Static pressure range | ±2500 Pa |
| Temperature range | 0–60 °C |
| Atmospheric pressure range | 70–130 kPa |
| Power supply (model DALT6900‑0E) | 110‑120 V, 1 Phase, 50/60 Hz, 16 A |
| Weight | ≈72 kg |
| Dimensions | 54 × 50 × 120 cm |
| Data storage capacity | 1000 test sets |
Insert a USB flash drive into the USB port; the instrument automatically recognizes it and exports all stored data.
The instrument must not be used in a combustible gas environment because it may cause fire or explosion.
The instrument is covered by a two‑year warranty when the user follows the manual and proper operation.