Products
Topmedi TH-W2 Bluetooth Rechargeable Mini Hearing Aid Air Guide Digital 2-in-1 Binaural USB Fast Charging for Elderly
description1
| Model No. | TH-W2 |
| Product Name | Bluetooth Rechargeable Mini Hearing Aid |
| Condition | New |
| Output Type | Small Power |
| Signal Processing Type | Digital Hearing Aid |
| Application | Children, Adult, Elderly |
| Conduction Mode | Air Guide Hearing Aid |
| Principle | All Digital Hearing Aid |
| Type | Ear Type (Neckband Design) |
| Maximum OSPL90 | ≤117dB + 3 dB |
| High Frequency Average OSPL90 | 108dB ± 4 dB |
| Full-Scale Sound Gain | 25dB ± 5dB |
| Equivalent Input Noise Level | ≤29dB + 3dB |
| Total Harmonic Distortion | ≤2% + 3% |
| Frequency Response Range | 450Hz – 4000Hz |
| Rated Power Current Consumption | ≤6mA |
| Accessories | Dedicated Earplugs (6), USB Cable (1), Instructions (1), Quick Action Guide (1) |
| Transport Package | 50 PCS in One Packing Box |
| Packing Size | 57 × 23 × 37.8 cm |
WENK AF Series Air Filter
Product Detail
Working Media |
Cleaned Air |
Max. Working Pressure |
0.85Mpa |
Proof Pressure |
1.5Mpa |
Working Temperature Range |
5-60° |
Filter Precision |
40μm(Normal) or 5μm(Customized) |
Body Material |
Aluminum Alloy |
WENK AF Air Filter User Guide
1. Product Overview
The WENK AF Air Filter is a high-performance pneumatic component designed to remove contaminants from compressed air systems. Featuring a durable aluminum housing and transparent polycarbonate bowl, this filter effectively captures particles as small as 5 microns, including dust, rust, and moisture.
Technical Specifications:
- Filtration Precision: 5μm
- Operating Pressure: 0.1-1.0MPa
- Operating Temperature: -10°C to 60°C
- Features: Transparent polycarbonate bowl, manual drain valve
2. Installation Steps
1. Pre-installation Preparation
- Ensure the compressed air system is shut off and depressurized
- Clean the connecting pipes to remove foreign objects and impurities
- Prepare necessary tools: wrench, PTFE tape, etc.
- Inspect the filter for any visible damage
2. Installation Location Selection
- Should be installed at the front end of the air treatment system
- Position as close to the air-consuming equipment as possible, generally within 7.5 meters
- Choose a location convenient for operation and maintenance
- Ensure vertical installation with the drain valve facing downward
3. Pipe Connection
- Install according to the direction indicated by the arrow on the filter (arrow points in the direction of air flow)
- Connect the inlet to the upstream air source and the outlet to downstream equipment
- Use PTFE tape to seal threaded connections ensuring a good seal
- Tighten connections evenly with a wrench, avoiding excessive force that may damage the interface
4. Post-installation Inspection
- Ensure all connections are secure and free from looseness
- Verify the filter is installed vertically
- Confirm the air flow direction matches the arrow indication
3. Operation Guide
1. Startup Operation
- Slowly open the upstream air source valve to gradually increase pressure
- Check for any leakage from the filter
- Inspect the transparent polycarbonate bowl for cracks or damage
2. Manual Drain Operation
- Drain when condensed water in the transparent bowl reaches the level below the filter element
- Rotate the drain knob at the bottom of the bowl clockwise to open the drain valve
- After draining, rotate the knob counterclockwise to close the drain valve
- It is recommended to drain at least once daily, with increased frequency in high humidity environments
3. Pressure Adjustment (if equipped)
- Pull up the pressure adjustment knob, rotate clockwise to increase pressure, counterclockwise to decrease pressure
- After adjusting to the required pressure, press down the knob to lock the setting
4. Maintenance
1. Daily Inspection
- Regularly check the transparent bowl to observe condensed water level
- Inspect the filter for any leakage
- Check the integrity of connecting pipes
2. Filter Element Replacement
- Replace the filter element when it appears visibly dirty or when pressure drop increases
- Replacement steps:
- Shut off the air supply and depressurize the system
- Unscrew the filter bowl and remove the old filter element
- Clean the inner wall of the bowl
- Install the new filter element ensuring a proper seal
- Reinstall the bowl ensuring a tight connection
3. Maintenance Schedule
- Filter element replacement: Generally every 3-6 months, depending on operating environment
- Transparent bowl inspection: Before each use
- Drain operation: At least once daily
5. Precautions
1. Safety Precautions
- Always shut off the air supply and depressurize before installation and maintenance
- Do not exceed the maximum working pressure of 1.0MPa
- Avoid use in high-temperature environments exceeding 60°C
- Do not strike the transparent bowl with sharp objects
2. Usage Limitations
- For compressed air systems only
- Not suitable for corrosive gas environments
- Avoid direct sunlight and strong vibrations
3. Troubleshooting
- Filter Blockage: Replace the filter element
- Leakage: Check connections for tightness, replace seals if necessary
- Drainage Difficulties: Check for drain valve blockage, clean or replace as needed
6. Frequently Asked Questions
Q1: How to determine when the filter element needs replacement? A1: Replace the filter element when it shows obvious discoloration, increased pressure drop, or decreased filtration efficiency.
Q2: What to do if the drain valve cannot close properly? A2: Check for foreign objects blocking the drain valve, clean or replace the drain valve assembly.
Q3: What if the transparent bowl develops cracks? A3: Immediately stop using the filter and replace the transparent bowl to avoid safety accidents.
Q4: What causes excessive pressure drop across the filter? A4: Possible causes include a clogged filter element (needs replacement) or flow rate exceeding the filter's rated capacity.
Our Commitments & Core Advantages
1. We are a factory specializing in the production of pneumatic components, with mature manufacturing experience and technology.
2. We manufacture and supply a wide range of series and specifications of air cylinders and pneumatic components, providing you with flexible options.
3. We can undertake the customization business of various pneumatic components according to the specific needs of customers.
We adhere to the service concept of efficiency and thoughtfulness, making you feel comfortable throughout the cooperation process, just as smooth as cooperating with a close friend.
