Overview
A practical dissolved oxygen meter is a specialized device designed to measure the amount of oxygen dissolved in water. It is widely used in industries such as aquaculture, wastewater treatment, and environmental monitoring to ensure optimal oxygen levels for aquatic life and industrial processes. The device typically consists of a probe, a display unit, and a control panel. Modern meters are portable, waterproof, and equipped with features like temperature compensation and automatic calibration, making them reliable tools for fieldwork and laboratory use.
Structure and Working Principle
The dissolved oxygen meter operates on the principle of electrochemical sensing. The probe contains a membrane-covered electrode that reacts with oxygen molecules in the water, generating an electrical signal proportional to the oxygen concentration. The meter processes this signal and displays the result in milligrams per liter (mg/L) or parts per million (ppm). Advanced models may include additional sensors for temperature and salinity, which can affect oxygen solubility and are compensated for in the readings.
Key Features
Practical dissolved oxygen meters are known for their high accuracy, typically within ±0.2 mg/L. They are designed to be user-friendly, with features like automatic calibration, data logging, and waterproof construction. Portability is another key feature, with many models being handheld and battery-operated for ease of use in the field. Some advanced meters also offer Bluetooth connectivity for data transfer to smartphones or computers, enhancing their utility in remote monitoring applications.
Application Areas
Dissolved oxygen meters are essential in aquaculture for maintaining optimal oxygen levels to ensure fish health and growth. They are also used in wastewater treatment plants to monitor and control the efficiency of biological treatment processes. Environmental monitoring agencies use these meters to assess water quality in rivers, lakes, and oceans. Additionally, they are employed in research laboratories for studying aquatic ecosystems and in industrial settings where water quality is critical to production processes.
Maintenance and Precautions
Regular maintenance is crucial for ensuring the accuracy and longevity of a dissolved oxygen meter. The probe should be cleaned and stored properly, and the membrane should be replaced periodically to maintain sensitivity. Calibration should be performed before each use, using standard solutions. The device should be protected from extreme temperatures and physical damage. Proper handling and storage will extend the life of the meter and ensure reliable performance.
B2B Procurement Guide
When purchasing dissolved oxygen meters in bulk, B2B buyers should consider factors such as accuracy, durability, and ease of use. It's important to choose a reputable supplier with a track record of providing reliable and calibrated instruments. Buyers should also evaluate the after-sales support, including warranty, calibration services, and technical assistance. Comparing prices and features from multiple suppliers can help in making an informed decision that meets specific application requirements.
Related Manufacturers
- 主营：[]
- 主营：[]
- 主营：分析仪、监测仪、pfe过滤、测定仪、报警仪、粉尘仪、微电脑、锂电池、安全帽、计数器、测温门、测汞仪、测温仪、速测仪、气体检、桶在线、plc控制、测试仪、采样器、噪声计、cod在线、望远镜、控制器、柴油车、消解仪
- 主营：比浊仪、检测仪、测油仪、测定仪、氧分析仪、光光度计、液萃取仪、指数分析仪、总氮分析仪、辐射剂量仪、凝胶成像仪、流速流量计、在线分析仪、回流消解仪、气体分析仪、水质分析仪、明渠流量计、在线监测仪、吸收光谱仪、发光成像系统、便携式露点仪、一体化蒸馏仪、水质观测系统、手持式浊度仪、在线监测系统
- 主营：分析仪、磁悬液、压力计、测定仪、定氮仪、报警仪、蒸馏水、粉尘仪、测量仪、温湿度、水分仪、油质载、皮托管、便携秤、清洗剂、黑磁膏、粉碎机、热电偶、冷却液、色差仪、内窥镜、氯离子、浊度计、抛光布、变送器
- 主营：流量计、电磁流量计、超声波液位计、溶解氧、物位计、压力变送器、电导率、溶氧仪、浊度仪、液位计、料位仪、超声波流量计、无纸记录仪、在线ph计、在线orp计、污泥浓度计、温度传感器、涡街流量计、雷达液位计、数显表、电压变送器、电流变送器、信号隔离器、冷热量表、热式气体质量流量计
- 主营：采样工具、水质分析仪、测试系统、溶解氧、分析系统、同位素分析仪
- 主营：电导率、分析仪、测试机、溶解氧、测定仪、溶氧仪、热量计、液位计、探测仪、加液机、测量仪、检测仪、显示仪、报警器、控制器、超声波、热量表、测试仪、电导仪、传感器、出信号、流量计、控制仪、浊度计、氧检测
- 主营：能见度仪、路面传感器、能见度传感器、溶解氧、风速风向检测器、洞内照度检测器、防爆气象站、气象站、水质监测站、土壤墒情监测站、农业四情监测系统、风速仪、气象传感器、水文监测站、农业气象站、车载气象站、手持气象站、袖珍式手持气象仪、校园气象站、雷电预警监控系统、风速风向记录仪、森林气象站、防爆气象仪、雪深传感器、雪深监测站、便携气象站
- 主营：溶解氧、高低温循环装置、冷冻干燥机、光催化反应装置
- 主营：水质检测仪、高锰酸盐指数检测仪、cod检测仪、溶解氧检测仪、溶解氧在线检测仪、氨氮检测仪、总磷检测仪、总氮检测仪、浊度检测仪、悬浮物检测仪、电导率检测仪、PH检测仪、色度检测仪、TOC检测仪、BOD检测仪、红外测油仪、紫外多参数检测仪、水质重金属检测仪、水中油检测仪、TDS检测仪、PH在线检测仪、浊度在线检测仪、余氯在线检测仪、大肠杆菌检测仪、菌落总数检测仪
- 主营：检测仪、水质实、水质仪、测定仪、多参数水质测定仪、总氮测定仪、总磷测定仪、COD测定仪、氨氮测定仪、BOD测定仪、浊度测定仪、离子测定仪、污水测定仪、智能总氮水质测定仪、仪器仪表、台式消解器、环境检测设备、便携式消解器、多功能消解器、智能水质分析仪、bod检测仪、cod检测仪、氨氮检测仪、COD消解器、智能浊度色度仪
- 主营：浊度仪、色度仪、消解仪、水质测定仪、cod测定仪、氨氮测定仪、总磷测定仪、BOD测定仪、总氮测定仪、重金属测定仪、余氯测定仪、PH测定仪、污水测定仪、多参数水质测定仪、便携式水质检测仪
- 主营：测试仪、差压表、比色皿、测定仪、分析仪、压力计、流量计、风速仪、标准液、温度计、压力表、消解仪、ph测试笔、差压开关、总磷试剂、化学试剂、样品测量、绝缘电阻、压力开关、dr6000耗材、紫外线灯、滴定水分仪、红油压差计、黑光手电筒、流量控制器
- 主营：一体化蒸馏仪、红外分光测油仪、接触角测量仪、BOD测定仪、生物毒性检测仪、土壤养分检测仪、COD氨氮总磷总氮检测仪、酶标仪、微波消解仪、TOC总有机碳检测仪、微生物检测仪、浊度计、食品安全检测仪、ATP荧光检测仪、真菌毒素检测仪、粮食重金属检测仪、黄曲霉素检测仪、密封性测试仪、超声波明渠流量计、卡尔费休检测仪、多普勒流速流量仪、农药残留检测仪、氨氮检测仪、COD消解仪、超声波细胞破碎仪
- 主营：闪点测定仪、运动粘度测定仪、微量水分测定仪、酸值测定仪、界面张力测定仪、馏程测定仪、开口闪点测定仪、闭口闪点测定仪、卡尔费休水分测定仪、抗乳化测定仪、泡沫特性测定仪、蒸馏测定仪、硫含量测定仪、密度测定仪、凝点倾点测定仪、凝点测定仪、液相锈蚀测定仪、空气释放值测定仪、便携式溶解氧分析仪、腐蚀性硫测定仪、折管粘度测定仪、颗粒计数器、颗粒度检测仪、硅酸根分析仪
- 主营：溶氧量仪、水质监测仪、硬度分析仪、悬浮物测定仪、气体流量计、硅酸根监测仪、在线低浊度仪、磷酸盐监测仪
- 主营：温湿度、气象站、检测仪、水质溶解氧传感器、雨量监测、建大仁科、监控监测、气象监测、情监测仪、智能检测、扬尘监测仪、噪声扬尘监测
- 主营：高斯计、热像仪、检测仪、溶解氧、吸入泵、风速仪、成像仪、测试仪、测氡仪、离子计、干燥剂、剂量计、残氧仪、干燥柱、滴定仪、采样泵、检漏仪、活度计、报警仪、流量计、浊度计、剂量仪、流量校准、剂量率仪、电导率仪、悬浮颗粒
- 主营：景区气象站、防爆气象站、手持气象站、溶解氧、孢子捕捉仪、能见度监测站、公路气象站、能见度传感器、水质监测站、水质检测仪、气象站、隧道能见度检测器、便携式水质检测仪、农业四情监测站、虫情测报仪、土壤墒情监测站、农业气象站、水文监测站、猪瘟检测仪、雨量监测站、微气象仪、金属款气象仪、校园气象观测站、电子气象仪、防爆型气象站、便携式气象仪
- 主营：气象站、气象传感器、防爆气象站、水产养殖测定仪、农业气象站、校园气象站、便携式气象站、土壤墒情监测站
- 主营：气象站、超声波气象站、便携式气象站、溶解氧、微气象仪、防爆气象站、土壤墒情监测站、手持气象站、负氧离子监测站、地下水位监测站、雨量监测站、能见度传感器、能见度监测站、隧道洞外亮度检测器、隧道风速风向检测器、隧道COVI检测器、水土流失监测设备、便携式流速仪、水质监测站、微型气象仪、金属款压电雨量传感器、金属款超声波风速风向、百叶箱传感器、野外气象监测系统、可燃气体检测仪、隧道洞内照度检测器