_x000D_ _x000D_ Dissolved Oxygen Meter Detachable Probe Digital Screen Display Dissolved Oxygen Sensor For Aquarium Experiment Research _x000D_ _x000D_ _x000D_ Feature: _x000D_ _x000D_ 1. Oxygen and Temperature: This dissolved oxygen meter can be used to measure dissolved oxygen and temperature. Inbuilt microcomputer processor calculates and compensates all dissolved oxygen and temperature related measurement data. _x000D_ 2. Detachable Probe: This dissolved oxygen sensor adopts detachable probe, easy to replace, equipped with 6 probe protective covers. _x000D_ 3. Digital Screen Display: This dissolved oxygen tester adopts digital screen display, which is clearer and more convenient to read the data. Support auto power off in 8 minutes if not using it. _x000D_ 4. Temperature Compensation: Oxygen solubility will be affected by temperature, atmospheric pressure, and salinity. Our instrument with temperature compensation can meet normal use. _x000D_ 5. Wide Application: This dissolved oxygen meter is widely used in aquariums, swimming pools, pond, freshwater aquaculture, Marine aquaculture, school teaching experiment, laboratory sterile environment, aquaculture, scientific research and other fields _x000D_ _x000D_ _x000D_ Specification: _x000D_ _x000D_ Item Type: Dissolved Oxygen Meter Material: ABS Usage: Suitable for Freshwater Aquaculture, Seawater Aquaculture, Swimming Pool, Beverage Factory, Sewage Treatment Plant, Laboratory. Battery: LR44 x 3 (Battery Not Included) Measuring Range: Oxygen Concentration (mg/L): 0.0 to 40.0mg/L Dissolved Oxygen Saturation (%): 0.0 to 300.0% Temperature: 0.0-40.0, 32.0-104.0 Resolution: Oxygen Concentration (mg/l): 0.1mg/L Dissolved Oxygen Saturation (%): 0.10% Temperature: 0.1, 0.1 Accuracy: Oxygen Concentration (mg/L): 1.5%F.S Dissolved Oxygen Saturation (%): 1.5%F.S Temperature: 0.5 Calibration Mode: Support One Point or Double Point Automatic Calibration,0.0% (Oxygen Water) or 100.0% () Response Time: 45s (Response at 20) Temperature Compensation Range: Automatic (0 to 40) Altimetric Compensation: None Battery Level: Low Battery Warning Shutdown: Auto Power off in 8 Minutes if Not Using It Use Environment: 0 to 40.0 RH Maximum 90% _x000D_ _x000D_ _x000D_ _x000D_ Package List: _x000D_ 1 x Dissolved Oxygen Meter(Battery Not Included) _x000D_ 1 x Dissolved Oxygen Electrode _x000D_ 6 x Oxygen Membrane Group _x000D_ 1 x User Manual _x000D_ 1 x Dissolved Oxygen Filling Liquid _x000D_ _x000D_ _x000D_ _x000D_ How to use: _x000D_ _x000D_ 1.Whentheproductleavesthefactory,thereiselectrolyteinthemembranegroup,whichcanbeuseddirectly _x000D_ _x000D_ 2.Connecttheelectrode,pressthepowerbutton,turniton,thescreenwilldisplaymg/Ltemperature _x000D_ _x000D_ 3.ShortpresstheMODEbuttontoswitchbetweenmg/Lor% _x000D_ _x000D_ 4.ShortpresstheHOLDbuttontolockthevalue,longpresstheTEMPbuttontoswitchbetweenCorF _x000D_ _x000D_ 5.LongpresstheCALbuttontocalibrateinthe,thescreendisplays100.0%,andthecalibrationissuccessfulaftertheflashingiscompleted.Ifcalibratedindeoxygenatedwater,itwilldisplay0.0% _x000D_ _x000D_ _x000D_ 1) We accept Alipay, West Union, TT.All major credit cards are accepted through secure payment processor ESCROW. 2) Payment must be made within 3 days of order. 3) If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days. About shipping 1. WORLDWIDE SHIPPING.(Except some countries and APO/FPO) 2. Orders processedtimely after thepayment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 6. If you have not received your shipment within the period, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! 7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery. 8. We seller are not in charge of import duty, buyer is responsible for that. Any dispute caused by this is unreasonable. 9. BR buyer please provide the cpf or cnpj, it will be better for you to get it more quickly. thanks Return and Refund 1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! 2. All returned items MUST BE in the original packaging and you MUST PROVIDE u