Description
This instrument is a portable handheld household oxygen meter (oxygen analyzer). In addition to supporting household oxygen concentrators, it is also particularly suitable for the following environments:
1. The measurement of oxygen content in industrial and mining enterprise environments, ship cabins, tunnels, chemical industry, and fertilizer industry gases is very effective to avoid system explosions due to overoxygen in the production process and to prevent maintenance personnel from suffocating accidents in an oxygen-deficient environment. of.
2. Detect the oxygen content in the exhaust gas of the internal combustion engine and the oxygen content in the flue gas to achieve reasonable control of combustion and save fuel.
3. Measure oxygen content in controlled atmosphere storage of grains, fruits, vegetables, tobacco, Chinese herbal medicines, dried fruits, etc.
4. Analysis of oxygen content in ventilators, anesthesia machines, hyperbaric oxygen chamber infant incubators in the medical industry, as well as in aerospace and diving operations.
5. It is an indispensable experimental equipment for physics, chemistry, biology and other experiments in middle schools, colleges and universities, and medical schools.
6. Any place where oxygen content needs to be detected.
Specification:
1. Range: 0-100% 0-50% 0-1%
2. Accuracy: +/-0.10%
3. Operating environment temperature: -20~50 degrees Celsius
4. Humidity: less than 90%
5. Method of use: hand pinch and suction type
6. Resolution: 0.1%
7. Response time: 5 seconds
8. Power consumption: 4 milliwatts
9. Power supply: 6F229V laminated battery, can work for 500 hours. (battery not included)
10. Interfering gases that affect detection accuracy: SO2, NO2, and H2S will affect the measurement when they are greater than or equal to 10%.
11. Display reading: three-and-a-half-digit LCD display
12. Measurement method: diffusion type
Specification:
| Package Weight |
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Shipping
Shipping policy
We offer fast and reliable shipping for all our clothing items. Orders are processed within 2-3 business days and shipped via standard delivery, which typically takes 8-25 business days.
Express shipping options are also available at checkout for an additional fee, ensuring your fashion essentials arrive even sooner. For any questions regarding your order, please contact our customer service team for assistance.
| Shipping from Chinese Warehouse： | ||
| Airmail and register airmail | Area | time |
| United States, Canada, Netherlands, Spain, Germany, France, Japan, Republic of Korea, United Kingdom | 7-15 business days | |
|
Australia ,New Zealand, Singapore |
7-15 business days | |
| Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland | 7-20 business days | |
| Brazil, Russia, Mexico | 15-35 business days | |
| Other countries | 7-25 business days | |
| EMS | All countries except those listed below | 6-8 business days |
| Brazil and Russia | 10-25 business days | |
| Expedited Shipping*(DHL) | 3-7business days to worldwide. | 3-7 business days |
Return & Refund
Refund policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at support@reluova.com. Please note that returns will need to be sent to the following address:
T8 BLOCK ROOM312,XINGHUA SMART ZOOM,DONG CHENG STREET,DONGGUAN,DONGGUAN,CHINA,523000,+86 137 9069 5247
If your return is accepted, we’ll send you instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at support@reluova.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
Provided the conditions in our refund policy have been met, refunds will be processed using the original form of payment. You can return an item purchased online by posting it to us. Please contact customer service for return address. Please note that delivery costs will be excluded from the refund unless goods are returned in accordance with your statutory rights (e.g. they are faulty or not as ordered).
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