The working principle of the DC air tightness testing instrument
Fill the product with a certain pressure of gas, balance, detect (by detecting the change or drop of the gas pressure to determine whether the product is qualified or not), and exhaust.
Scope of application DC air tightness testing instrument
Automotive industry: waterproof test of headlights, waterproof test of engine parts, vehicle cameras, antennas, etc.
Battery industry: waterproof test of lithium battery shell welding line, sealing test of terminal and shell, etc.
Home appliance industry: coffee machines, juicers, blenders, kettles and other products with waterproof requirements.
Smart wear: smart bracelets, watches, underwater alarms, waterproof detection, etc.
Electronic consumption: sports audio, bluetooth speakers, etc., epilator, electric brush, electric bath head, etc.
Military supplies: waterproof detection of walkie-talkies, hand-held walkie-talkies, vehicle-mounted walkie-talkies, three-proof mobile phones, etc.
Valve pipeline: the sealing of the valve, the permeability of the pipeline, the waterproofness of the joint, etc.
Parameters of DC air tightness testing instrument
| Operation mode | Direct pressure |
| Pressure range | 3~50Kpa |
| Precision | 0.2%F.S |
| Pressure adjustment accuracy | 0.2%F.S |
| Pressure unit | Kpa |
| Pressure adjustment method | Mechanical |
| Parameter group | 10 sets |
| Time setting（s) | 999.9 |
| External control signal | 2 signal |
| I/O interface | Support |
| RS485 | Support |
| USB | Support |
| Data storage capacity | 100000 |
| Language | Chinese/English |
| Gas source | Greater than the maximum test range |
| Suitable for products | Open type / product with test hole |
| Detection method | Internal pressure test |
| Input voltage | AC220V 50HZ |
| Physical dimension | 470mmx290mmx280mm |
