Product Specification

YD31-006 Multi-Vehicle Tire Air Pressure Gauge with Inflation Gun Webpage Detail Page (English)

I. Product Specifications (SPECIFICATION)

1. Core Parameter Summary Table

2. General Basic Parameters

II. Product Details (PRODUCT DETAILS)

1. Short-Hose Portability + Efficient Operation, More Worry-Free for Emergency Maintenance

(1) 330mm Short-Hose Design, No Burden for Storage & Carrying

• Ultimate Portability: The overall length is only 160mm (including gun body + short hose), and the weight is 280g (equivalent to the weight of an ordinary mobile phone). It can be easily placed in jeans pockets, car armrest boxes (space ≤15cm×10cm×8cm), or bicycle tool bags. It is readily available when going out, without worrying about long-hose tangling or knotting;
• Efficient & No Loss: The short hose shortens the gas transmission path, allowing gas to reach the tire directly during inflation, avoiding tire pressure detection deviations caused by gas residue in long hoses. It is especially suitable for 12V small-displacement on-board air compressors, with inflation efficiency 20% higher than that of long-hose products. It enables rapid tire pressure supplementation in emergency scenarios, avoiding travel delays.

(2) Copper Movement + Large Dial, Accurate Measurement & Easy Reading

• High-Precision Detection: The copper precision movement has an error of ≤±0.025 bar within the daily tire pressure range of 0-15 bar. For example, when the standard tire pressure of a car is 2.5 bar, the measurement accuracy far exceeds the industry average, ensuring reliable tire pressure data. This avoids tire uneven wear (a 10% decrease in tire pressure shortens tire life by approximately 20%) and increased fuel consumption (a 10% decrease in tire pressure increases fuel consumption by approximately 2%);
• Rapid Reading: The 60mm large dial is equipped with high-contrast scales (black background + white characters), with clear bar/psi unit divisions. There is no reflection in strong light, and the value can be identified within 1 second even in dim garages. Both the elderly and beginners can operate it easily without repeatedly checking units, lowering the use threshold.

2. Durable Materials + Multi-Scenario Adaptation, Low Long-Term Usage Cost

(1) Rugged Structure, Suitable for High-Frequency Use

• Impact-Resistant Gun Body: The zinc alloy gun body can withstand a 1-meter drop impact (concrete floor) without deformation or cracking, suitable for high-frequency use scenarios such as community repair stations and car beauty shops. Its service life is 3 times that of plastic gun bodies, reducing tool replacement costs;
• Durable Sealing: The rubber sealing gasket of the gun nozzle is made of oil-resistant nitrile rubber, maintaining good sealing performance after 500 repeated insertions and removals without air leakage. No frequent seal replacement is needed, reducing maintenance costs;
• Wear-Resistant Hose: The surface of the PVC hose is coated with a wear-resistant layer, so there are no scratches from friction with other tools during daily storage. After contact with oil stains, it can be cleaned by wiping with a rag, making maintenance simple and convenient without professional care.

(2) Multi-Vehicle + Multi-Air Source, Wide Adaptation Range

• No Vehicle Restrictions: By replacing the sealing gasket (2 spare gaskets included), the gun nozzle can be adapted to Schrader valve stems (cars), mixed valve stems (motorcycles), and Presta valve stems (bicycles). One tool meets the maintenance needs of multiple vehicles in a family, eliminating the need to purchase multiple sets of tools for different vehicles and saving expenses;
• Easy Air Source Adaptation: The default G1/4" interface can be connected to on-board air compressors and small household air sources. After replacing the interface, it can also be adapted to industrial-grade air sources. Whether for home maintenance (such as inflating bicycles) or outdoor emergencies (such as roadside tire leaks), it can quickly match the air source without being restricted by air source specifications.

3. Humanized Details + Emergency Features, More Intimate to Use

(1) Labor-Saving Operation, Easily Completed by One Person

• Lightweight Design: The 280g lightweight gun body causes no burden during hand-held operation. Even when measuring and inflating 4 tires continuously, there is no hand soreness, making it easy for female users and the elderly to operate;
• Labor-Saving Switch: The push-type inflation switch only requires 4N of force (equivalent to lifting a 0.4kg object). The inflation process can be paused at any time to avoid tire blowout caused by over-inflation, ensuring flexible and safe operation.

(2) Emergency Adaptation, Coping with Unexpected Situations

• Usable as a Tire Pressure Gauge Without Air Source: Even without connecting to an air source, it can be used alone as a tire pressure gauge. The tire pressure can be quickly detected before daily commuting to identify abnormal tire pressure (such as slow air leakage) in advance, avoiding breakdowns on the road and ensuring travel safety;
• Compact Emergency Storage: The short hose can be directly attached to the gun body for storage. The overall volume is equivalent to a power bank, which can be placed in the side pocket of a carry-on backpack without taking up space. In case of unexpected tire pressure loss (such as a puncture), it can be quickly taken out for inflation without waiting for rescue, saving time.

III. Application Scenarios (APPLICATION SCENARIOS)

1. Emergency Maintenance for Daily Commuting Car Owners (Core Scenario)

1. Take Out the Tool: Take YD31-006 from the armrest box and connect it to the on-board air compressor directly without arranging a long hose;
2. Rapid Pressure Measurement: Align the gun nozzle with the tire valve stem, press to seal, and read the dial showing 1.9 bar within 1 second, confirming insufficient tire pressure;
3. Precise Inflation: Press the switch to inflate for 15 seconds, release the switch to check that the tire pressure rises to 2.4 bar, then stop inflating;
4. Store the Tool: Disconnect the air source, attach the short hose to the gun body, and place it back into the armrest box. The entire process takes less than 1 minute.
   Result: No need to detour to a repair shop, avoiding being late for the morning rush hour. The short-hose design perfectly fits the narrow armrest box. Precise pressure measurement ensures the tire is within the safe pressure range, reducing fuel consumption and tire wear, and extending tire service life.

2. Short-Distance Cycling Maintenance for Bicycle Enthusiasts (Scenario 2)

1. Replace the Interface: Use a special wrench to replace the G1/4" interface of YD31-006 with a G3/8" interface, and connect it to the mini air compressor;
2. Tire Pressure Detection: Adapt the gun nozzle to the bicycle’s Presta valve stem, press to seal, and read the current tire pressure as 6.5 bar, confirming the need for inflation;
3. Precise Inflation: Press the switch to inflate slowly, release every 5 seconds to check the tire pressure, and gradually increase it to 8 bar (avoiding high-pressure tire blowout);
4. Carry-On Storage: After disconnecting, place the tool into the side pocket of the backpack. There is no tool rattling during the ride, and the riding experience is not affected.
   Result: It solves the problem that traditional long-hose tools cannot fit into backpacks, enabling emergency tire pressure maintenance during rides and avoiding reduced riding efficiency or tire blowouts caused by insufficient tire pressure, ensuring riding safety.

3. Multi-Vehicle Service at Community Repair Stations (Scenario 3)

1. Batch Preparation: Connect multiple YD31-006 units to the work station air source, placing them neatly on the tool cart shelf to adapt to different vehicles;
2. Rapid Service: Measure and inflate cars to 2.5 bar, motorcycles to 2.2 bar, and bicycles to 9 bar without replacing tools, completing single-tire pressure detection within 10 seconds;
3. Convenient Storage: After service, place the tools back on the tool cart directly. The short-hose design avoids tangling between tools, saving storage time.
   Result: A single tool replaces multiple sets of equipment, reducing tool procurement costs. Service efficiency is increased by 60%, and the lightweight design reduces staff operation fatigue, adapting to high-frequency service scenarios for multiple vehicle types and improving user satisfaction.

IV. Frequently Asked Questions (FAQ)

Q1: The short-hose design cannot reach the valve stem of the inner tire of the vehicle. How to solve this?

1. Accessory Expansion: Contact the merchant to purchase a dedicated hose extension adapter (optional lengths of 500mm/1000mm). Connect the extension adapter between the gun nozzle and the valve stem to increase the operating distance without affecting measurement accuracy;
2. Operation Adjustment: Slightly turn the vehicle (e.g., turn the steering wheel outward) to face the valve stem of the inner tire outward. Most family cars can easily access the valve stem after steering, no additional accessories required, and the operation is simple and convenient.

Q2: There is a deviation between the measured tire pressure and that of professional equipment in repair shops. Is this a product accuracy issue?

1. Operation Correction: Before pressure measurement, ensure the gun nozzle is tightly sealed with the valve stem (press until no air leakage sound is heard). If the seal is not tight, the value will be low; it is recommended to measure the pressure twice continuously and take the average value (normal deviation ≤±0.1 bar) to avoid single-operation errors;
2. Calibration Suggestion: If the deviation exceeds ±0.2 bar, contact the manufacturer or a professional organization for calibration (the product supports free calibration once within 1 year). The copper movement can restore accuracy after calibration, no need to replace the equipment, reducing maintenance costs.

Q3: After long-term use, the gun nozzle sealing gasket ages and leaks air. How to replace it?

1. Accessory Preparation: Purchase original adaptable rubber sealing gaskets (it is recommended to buy 5-10 at a time for spare use). The specifications are 8mm in diameter and 3mm in thickness, compatible with most valve stems;
2. Replacement Steps: ①Gently pry out the old sealing gasket in the gun nozzle with a small screwdriver; ②Place the new sealing gasket into the gun nozzle groove and press it with your finger until it fits completely; ③After installation, test the sealing effect (align with the valve stem and press, no air leakage sound indicates normal use);
3. Maintenance Suggestion: Check the sealing gasket after every 30 uses. Replace it in time if deformation or cracks are found to avoid tire pressure detection deviations caused by poor sealing and ensure accurate measurement data.

Q4: When used outdoors at low temperatures (-25℃), will the hose harden and the pointer jam?

1. Hose Protection: The PVC hose uses a low-temperature-resistant formula, remaining flexible at -25℃ for normal bending operation. If the hose surface is frozen, thaw it with warm water before use to avoid poor interface sealing caused by freezing, which affects measurement accuracy;
2. Pointer Protection: The lubricating grease in the movement is a low-temperature type resistant to -30℃, which does not solidify at low temperatures and ensures smooth pointer rotation. Before use, press the switch 3-5 times without load to preheat the movement using frictional heat, ensuring accurate reading and avoiding temporary jamming caused by low temperatures.