Overview
The GNST-COD101 is a handheld analyzer designed to measure Chemical Oxygen Demand (COD), a critical parameter for assessing water pollution levels. It combines portability with laboratory-grade precision, making it suitable for field inspections, industrial effluent monitoring, and regulatory compliance checks. The device operates on electrochemical principles, offering results within minutes, and is widely used in sectors like petrochemicals, municipal wastewater, and food processing. Unlike traditional lab-based COD tests, the GNST-COD101 eliminates the need for complex sample preparation and hazardous chemicals like potassium dichromate. Its compact size and battery-powered operation enable on-site testing, reducing turnaround time and operational costs for businesses.
Structure and Working Principle
The analyzer comprises a sensor module, a digital display, a rechargeable lithium battery, and a sample chamber. The sensor employs an advanced electrochemical method, where organic pollutants in the water sample are oxidized, and the resulting current is measured to calculate COD values. The system automatically compensates for temperature and pH variations to ensure accuracy. The device includes a built-in data logger for storing up to 1,000 test results, which can be exported via USB or Bluetooth. User calibration is simplified with pre-programmed standards, and the interface supports multiple languages for global usability. Maintenance involves periodic sensor cleaning and replacement of consumable electrodes.
Key Features
1. **Portability**: Weighing under 1 kg, the GNST-COD101 is designed for one-handed operation, with an IP67-rated casing for dust/water resistance. 2. **Speed**: Delivers results in 5–15 minutes, compared to hours required for traditional methods. 3. **Accuracy**: ±5% deviation from standard lab tests, with a detection range of 0–5000 mg/L COD. Additional features include automatic shut-off to conserve battery, a backlit LCD for low-light conditions, and compatibility with common COD reagents. The device meets international standards such as ISO 15705 and EPA-approved methodologies, ensuring regulatory acceptance.
Application Areas
Primary applications include industrial wastewater monitoring (e.g., textile, pharmaceutical, and paper mills), municipal sewage treatment plants, and environmental agency fieldwork. It is also used in aquaculture to monitor organic waste and in research institutions for water quality studies. In B2B contexts, the analyzer serves industries requiring frequent, real-time COD data to optimize treatment processes or comply with discharge limits. Its rugged design makes it suitable for harsh environments like mining sites or offshore platforms, where lab access is limited.
Maintenance and Precautions
Routine maintenance includes monthly electrode cleaning with distilled water and calibration checks using standard solutions. Avoid exposing the device to direct sunlight or temperatures below 0°C/32°F, which may affect sensor performance. Always use manufacturer-recommended reagents to prevent measurement errors. For long-term storage, remove the battery and keep the sensor dry. Regularly update the firmware (if applicable) to access improved algorithms or new features. In case of erratic readings, troubleshoot by inspecting the electrode or resetting the device to factory settings.
B2B Procurement Guide
When sourcing the GNST-COD101, prioritize suppliers offering technical support, reagent supply chains, and warranty coverage (typically 1–2 years). Request product certifications to validate compliance with local regulations. Bulk buyers may negotiate discounts for orders of 10+ units. Evaluate total cost of ownership, including reagent expenses (approximately $0.50–$2 per test) and potential training needs. For global procurement, verify voltage compatibility (110V/220V) and shipping restrictions for lithium batteries. Demo units are advisable to test field suitability before large-scale deployment.
Related Manufacturers
- 主营：Cod氨氮测定仪、总磷总氮测定仪、在线氨氮监测仪、在线cod监测仪、多参数水质检测仪、便携式水质检测仪、食品安全检测仪、在线总磷监测仪、在线总氮监测仪、多参数水质监测仪、在线余氯监测仪、在线重金属监测仪、在线PH计、水质快速测试包
- 主营：景区气象站、防爆气象站、手持气象站、水质检测仪、隧道能见度检测器、便携式水质检测仪、猪瘟检测仪、便携式气象仪、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、气象站、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、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
- 主营：水质测定仪、多参数水质分析仪、溶解氧测定仪、浊度检测仪、色度检测仪、COD测定仪、便携式水质测定仪、总氯检测仪、COD氨氮总磷总氮测定仪、悬浮物检测仪、二氧化氯检测仪、高锰酸盐指数检测仪、污水检测仪器、氨氮检测仪、总磷检测仪、总氮检测仪、水质叶绿素a检测仪、ph检测仪、蓝绿藻检测仪、电导率检测仪、水质重金属检测仪、多参数水质检测仪、BOD测定仪、余氯测定仪、红外测油仪
- 主营：水质检测仪、高锰酸盐指数检测仪、cod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、溶解氧检测仪、电导率检测仪、PH检测仪、色度检测仪、TOC检测仪、BOD检测仪、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、溶解氧在线检测仪、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、红外测油仪
- 主营：温湿度、气象站、雨量监测、检测仪、智能检测、建大仁科、监控监测、气象监测、情监测仪、扬尘监测仪、噪声扬尘监测
- 主营：水质测定仪、水质分析仪、总磷总氮测定仪、水质检测仪、多参数水质检测仪、便携式水质检测仪器、氨氮检测仪、电导率检测仪、实验室污水检测仪器、便携式溶解氧检测测定仪、悬浮物检测仪、便携式多参数水质检测仪、便携式多参数水质分析仪、COD快速检测仪、cod测定仪、余氯检测分析仪、浊度检测仪、饮用水水质检测仪、水质检测箱、多参数水质测定仪、多参数水质分析仪、红外测油仪、BOD测定仪、水质在线监测仪、蓝绿藻叶绿素测定仪
- 主营：密封性测试仪、紫外分光光度计、凝胶成像仪、多参数水质检测仪、COD氨氮总磷测定仪、真菌毒素检测仪、粮食呕吐毒素检测仪、叶绿素检测仪、密封性检测仪、化学发光成像系统、光合作用测定仪、红外分光测定仪、生物毒性测定仪、蒸馏仪、均质器、油液颗粒计数器、光谱测金仪、手持式电波流速仪、全波长酶标仪、超声波破碎仪、闪点测试仪、凝点倾点测定仪、顶空分析仪、激光测距测高仪、冻力测试仪
- 主营：光合作用测定仪、程控定量封口机、牛奶分析仪、农药残留检测仪、食品安全检测仪、土壤养分检测仪、兽药残留检测仪、土壤肥料养分检测仪、食品重金属检测仪、辣度检测仪、病害肉检测仪、水质检测仪、酶标仪、稻谷新鲜度测定仪、土壤研磨机、微波消解仪、气相色谱仪、直链淀粉测定仪、红外分光测油仪、液体密度计、脂肪酸值测定仪、油液颗粒计数器、凯氏定氮仪、电位滴定仪、拉曼光谱仪
- 主营：个人防护包、快检试剂、激光测距仪、便携式五参数水质检测、便携式水质采样器、便携式多参数水质检测、便携式明渠流量计、氨氮六价铬水质检测仪、油烟检测仪、烟尘烟气检测仪、便携式多气体检测仪、激光粉尘检测仪、恒温恒湿称重系统、紫外辐射照度计、风速仪
- 主营：光谱仪、分析仪、监测仪、检测仪、望远镜、蒸干仪、测定仪、铁谱仪、流量计、研磨机、采样器、消解器、铬酸盐、混匀仪、测试仪、露点仪、反应罐、锰酸盐、浊度仪、均质器、蒸馏仪、浓缩仪、清洗机、残氧仪、测油仪
- 主营：报警器、移动供气源、呼吸器、检测仪、重型防化服、洗眼器、防爆长管呼吸器、长管呼吸器、化学防护服、充气泵、耐酸碱、避火服、na-4电动、探测器、隔热服、空呼瓶、碳纤维、液氮服、全面罩、控制器、防毒全、低温服、防火服、防尘服、b级酸碱
- 主营：分析仪、监测仪、报警仪、硫化物检测仪、吸气臂、无人船、测量仪、臭氧计、均质器、风速仪、均浆机、黑度仪、电子秤、测定仪、传感器、计数器、采样器、传声器、混匀仪、流量计、机器人、控制器、测试仪、试验箱、水浴锅、离心机
- 主营：风速计、测量仪、分析仪、cod氨氮、检测仪、噪声仪、测定仪、传感器、体温仪、照度仪、溴离子、消解仪、体温枪、酸度计、探测器、红外线、测尘仪、干燥箱、采样器、显微镜、测色仪、电导仪、水质仪、voc气体、报警器
- 主营：矿用设备、铁路设备、救援设备、便携式锚杆预紧检测仪、防爆电器、仪器仪表、路面机械、工程机械
- 主营：煤矿氧气呼吸器、全液压坑道钻机、直读式粉尘测定仪、CLH100便携式测定器、矿用乳化液泵配件、矿用钻机配件、煤矿消防救护、氧气测定器、灾区电话、氢氧化钙、二氧化碳吸收剂、煤矿绞车、煤矿注浆泵、矿用孔板流量计、轨道道口板、自动苏生器、空气呼吸器、氧气充填泵、消防破拆工具、道口板、消防救护器材、煤矿井下用自动隔爆装置、泄露通讯装置、抱索器