Sinuo Testing Equipment Co. , Limited
| Payment Terms | T/T |
| Supply Ability | 10 Sets Per Month |
| Delivery Time | 30 Days |
| Packaging Details | Plywood |
| Sensor Accuracy | 0.055% |
| Electrical Control Mode | PLC intelligent control |
| Operating Air Pressure | 0.6-0.8MPa |
| Parameter Channels | 64 channels (1~64) |
| Test Cycle Setting | 0-999s |
| Pressure Resistance | 1MPa |
| Brand Name | Sinuo |
| Model Number | SNQC1017A |
| Certification | Calibration Certificate (Cost Additional) |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10 Sets Per Month |
| Delivery Time | 30 Days | Packaging Details | Plywood |
| Sensor Accuracy | 0.055% | Electrical Control Mode | PLC intelligent control |
| Operating Air Pressure | 0.6-0.8MPa | Parameter Channels | 64 channels (1~64) |
| Test Cycle Setting | 0-999s | Pressure Resistance | 1MPa |
| Brand Name | Sinuo | Model Number | SNQC1017A |
| Certification | Calibration Certificate (Cost Additional) | Place of Origin | China |
| High Light | IEC 62196-3-1 compliant EV charging gun ，EV connector airtightness test system ，water pipe charging gun test equipment | ||
Charging guns with liquid cooling systems, and charging guns with an IP protection rating equivalent to IPX7.
This machine is mainly used to perform pressure resistance and leakage tests to verify the sealing performance of liquid-cooled charging guns and those with an IP protection rating higher than IPX4.
Using a PLC control system, high-precision pressure sensors collect real-time pressure data from the gas line connected to the sample’s sealing component. The system goes through the pressurization → pressure holding → pressure relief cycle. During the holding phase, it verifies whether the pressure drop detected by the sensor meets the test criteria, thus validating the sealing performance of the sample’s pipeline.
Using a PLC control system, high-precision pressure sensors collect real-time pressure data from the gas line connected to a pressure-sealed chamber, simulating the IPX7 rated pressure (150 kPa). The system goes through the pressurization → pressure holding → pressure relief cycle. During the holding phase, it verifies whether the pressure drop detected by the sensor meets the test criteria, thus validating the protection rating and sealing performance of the sample’s housing (with the use of a custom auxiliary fixture to ensure the housing’s interior is open to the external environment).
| Test Station | Single station (dual-channel) |
|---|---|
| Electrical Control Mode | PLC intelligent control with a 7-inch color touchscreen interface. Features 32-bit data acquisition and recording, barcode scanner, pressure-time curve display, test report generation, and printing function. |
|
Test Pressure Specifications |
Positive pressure channel: 0-600 kPa, resolution ratio: 0.001 kPa (0–4 decimal places configurable); sensor withstand pressure: 3 × full scale. Differential pressure channel: 0–2000 Pa, resolution ration: 0.1 Pa (0–4 decimal places configurable); sensor withstand pressure: 13.8 MPa. The device is connected to an external air compressor. Pressure is pre-adjusted via the pressure regulator on the equipment panel (to a value higher than the test pressure), then precisely controlled by the built-in proportional pressure valve to regulate the pressure input to the product, with parameters configurable via the touchscreen. |
| Sensor Accuracy | 0.055% |
| Available Pressure Units | kPa, kg/cm², PSI, mbar, bar, Torr, mmH₂O, mmHg |
| Available Leakage Units | Pa, Pa/s, mL/s, mL/min, L/min, Pa·m³/s |
|
Test Modes |
1. Positive Pressure Test for Liquid-Cooling Tubes: Connect the equipment fitting to the sample tube fitting. Pressurize the tube; once the target pressure is reached, close the valve and hold the pressure. Monitor the pressure drop over a set period. An alarm is triggered if the drop exceeds the allowable limit; press reset to release pressure. If the test passes, pressure is released automatically. 2. Housing IP Rating Test: Place the sample in the dedicated upper and lower molds. Press start to begin the test; the pneumatic cylinder automatically presses down to form a sealed chamber. Apply positive pressure to the gap between the mold and the charging gun sample; once the target pressure is reached, close the valve and hold the pressure. Monitor the pressure drop over a set period (leakage from the housing into the interior). An alarm is triggered if the drop exceeds the allowable limit; press reset to release pressure. If the test passes, pressure is released automatically. |
| Test Medium | Dry air, supplied by an air compressor with a pressure of 0.6–0.8 MPa. |
| Pressure Control Method | Controlled by a proportional pressure valve. |
| Pressure Holding Time | Adjustable from 0–999.9 s (in seconds), displayed on the touchscreen. |
| Test Process | Pressurization → Pressure Holding → Pressure Relief. One-touch test start after barcode scanning; test results are recorded in the computer. |
| Operating Air Pressure | 0.6–0.8 MPa |
| Sample Fixture |
Includes one set of profile-specific molds, placed in a large vacuum chamber (removable). The vacuum chamber is sized to accommodate other samples. |
| Sealing Connectors | Customizable |
| High Leakage Auxiliary Fixture | One set, designed to allow the interior of the charging gun housing to communicate with the external environment. |
| Parameter Channels | Up to 64 groups (1~64) of test parameters can be stored |
| Test Cycle Setting | Adjustable from 0 to 999 seconds. |
| Pressure-Time Curve Display |
Real-time display via the data acquisition software on the touchscreen |
|
Reference image |
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| Test Data Storage | Exported via a USB interface |
Company Details
Business Type:
Manufacturer
Year Established:
2019
Employee Number:
<100
Ecer Certification：
Verified Supplier
Sinuo Testing Equipment Co., Limited established in 2019, but Sinuo has rich experience in manufacturing test euipment, test system and offering overall laboratory construction of electronic and electrical products. Sinuo's main products include electrical vehicle test equipment, battery tes... Sinuo Testing Equipment Co., Limited established in 2019, but Sinuo has rich experience in manufacturing test euipment, test system and offering overall laboratory construction of electronic and electrical products. Sinuo's main products include electrical vehicle test equipment, battery tes...
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