The Witt Compact Air Pump is a versatile and portable electric air pump designed for inflating various items, from bicycle tires to sports balls and swimming rings. It is a compact device, measuring 40 x 40 x 188 mm and weighing 365 g, making it easy to carry and store in the included storage bag.
Function Description:
The primary function of the Witt Compact Air Pump is to inflate items requiring air pressure. It features a digital display that shows the real-time air pressure and allows users to pre-set a desired air pressure level. The pump automatically stops once the pre-set pressure or the maximum pressure is reached, preventing over-inflation. It also includes an LED light for illumination in low-light conditions and a USB output port, allowing it to function as a power bank for other devices.
Important Technical Specifications:
- Product Name: Witt Compact Air Pump
- Model No.: 72930024
- Product Dimensions: 40 x 40 x 188 mm
- Weight: 365 g
- Maximum Air Pressure: 120 PSI
- No-load Flow: 20 L/M
- Charging Temperature: 0-45 °C
- Operating Temperature: -10-60 °C
- Battery Capacity: 1200 mAh / 7.4 V (8.8 WH)
- Charging Input: 5V/2A
- USB Output: 5V/1.5A
- Charging Time: 2.5-4.5 hours
- Air Pressure Accuracy: +/- 1PSI
- LED Light: 0.5W
- Overcurrent Protection: 9A/1S
- Protection against Battery Discharge: 6V
Usage Features:
The Witt Compact Air Pump offers several user-friendly features:
- Turning On/Off: The device is turned on or off by holding the on/off button for three seconds. It also features automatic shutdown after three minutes of inactivity or when the battery is low.
- Multiple Pumping Settings: Users can choose from four pre-defined pumping settings:
- Motorcycle: Reference value 40 PSI, adjustable range 0-55 PSI.
- Bicycle: Reference value 38 PSI, adjustable range 0-120 PSI.
- User Defined: Reference value 100 PSI, adjustable range 0-120 PSI. This setting is recommended for car tires, with a reference value of 35 PSI / 2.4 bar.
- Ball: Reference value 8 PSI, adjustable range 0-15 PSI.
- Changing Units: The unit button allows users to switch between different air pressure units, including PSI, BAR, and Kg/cm². The conversion formulas are provided: 1PSI = 6.89KPA, 1BAR = 100KPA, 1Kg/cm² = 98KPA.
- Pre-setting Air Pressure: The +/- buttons allow for precise adjustment of the pre-set air pressure value in increments of 0.5 PSI with a short press, or quick adjustment with a long press. The selected settings are automatically saved.
- Hose Connection: The pump comes with a flexible hose and various connectors for different valve types: Schrader valve, Dunlop and Presta valves, balls, and swimming rings.
- Starting and Stopping Inflation: A brief press of the on/off button starts the inflation process. The digital display shows the real-time air pressure. The pump automatically stops when the pre-set pressure is reached. Manual stopping is also possible with a brief press of the on/off button.
- Measuring Air Pressure: When the device is turned on, it can be connected to the item to be inflated, and the air pressure gauge will display the current air pressure.
- Resetting Air Pressure Value: If the measured air pressure is not zero when the device is turned on, pressing the pre-set plus and minus buttons simultaneously for three seconds will perform an automatic reset. This can improve the accuracy of the air pressure display, especially if there is a height difference or sensor sensitivity tolerance.
- LED Lighting: The LED light can be turned on or off by holding down the LED lighting button.
Maintenance Features:
The manual emphasizes safety precautions related to high temperatures during prolonged use. The hose and metal parts of the adapter can become very hot. Users are advised to take breaks during long inflation tasks to allow the components to cool down and to avoid extended contact with the hot parts.
Safety Instructions:
The manual provides comprehensive safety instructions to ensure safe operation:
- Never leave the device unsupervised during operation.
- Do not use the device in explosive environments or near flammable liquids/gases.
- Avoid exposing the device to moisture, sand, or dropping it.
- Do not store the device in excessively hot or cold conditions.
- Keep the device away from fire and do not dispose of it with household waste due to the lithium battery.
- Keep out of reach of children.
- Always ensure that the air pressure does not exceed the allowed limit for the item being inflated to prevent bursting or explosion.
- Allow the hose and metal parts to cool down during prolonged use.
- Always supervise the air pump during operation.
- Ensure the pressure is set and the pump is connected to the item before starting inflation to prevent unintentional activation.
- Always verify the pressure with a calibrated measuring device after inflation.
- Children should not operate the pump. Do not direct the air hose or airflow towards people or animals' mouths, ears, or eyes, and never blow dust or particles towards them, as this can cause injury.
- Do not use the air pump if the display or other components are defective.
- Protect the air pump from heat, direct sunlight, fire, water, and moisture to prevent explosion.
Included Accessories:
- 1 x Electric air pump
- 1 x Flexible hose with mouthpiece for Schrader valve
- 1 x Connector for Dunlop and Presta valves
- 1 x Connector for balls
- 1 x Connector for swimming rings
- 1 x Type C USB cable
- 1 x Storage bag
The Witt Compact Air Pump is designed for general household use and is not intended for commercial purchases. It comes with a 2-year warranty for manufacturing and material faults from the documented purchase date, covering materials and labor costs. The warranty does not cover damage from improper maintenance, fire/water/moisture damage, transport without proper packaging, use of non-original spare parts, failure to follow instructions, improper installation, repairs by non-professionals, or normal wear and tear of batteries and other parts. Transport damage must be reported immediately upon delivery. Unjustified service requests where the fault could have been resolved by following the manual will incur a service fee.
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