I. Implementation standards:
《水质自动采样器技术要求及检测方法》 HJ / T372-2007 "Technical requirements and detection methods for automatic water sampler"
－2009《水质样品的保存和管理技术》 HJ 493 －2009 "Preservation and Management Technology of Water Quality Samples"
This product is carefully designed and manufactured by our company with ten years of experience. The product has a variety of sampling modes such as quantitative, timing quantitative, constant flow quantitative, timing ratio, flow triggering, over-standard sample retention, remote sampling, etc., which are widely used in enterprises' pollution source outlets, sewage treatment plants, industrial parks and other occasions to achieve water quality (according to (Setting mode) Automatic sampling, sample retention beyond the standard, and remote sample retention are beneficial tools for monitoring pollution sources and environmental law enforcement.
Third, the main features:
、监督性监测采样：产品具备定时定量、定流定量、定时比例等多种自动采样模式，可按照设定的时间、流量规律采集一定量的水质样品，实现监督性监测采样功能； 1. Supervisory monitoring and sampling: The product has a variety of automatic sampling modes such as timing and quantification, constant flow and quantification, and timing ratio. It can collect a certain amount of water quality samples according to the set time and flow law to achieve the function of monitoring and sampling.
、环境执法—超标留样功能：产品可无缝集成于污染源在线监测系统，当在线监测系统采样时，采样器进行同步打水并保存样品至冷藏室内的缓存水箱并等待在线监测系统的超标指令：若分析仪测量值超标，采样器将缓存水箱内的样品采集至采样瓶并排空缓存水箱；若分析仪测量值不超标，则直接排空缓存水箱。 2. Environmental law enforcement-sample retention function beyond the standard: The product can be seamlessly integrated into the online monitoring system of the pollution source. When the online monitoring system samples, the sampler synchronizes to draw water and save the sample to the buffer water tank in the refrigerated room and wait for the online monitoring system to exceed the standard Instruction: If the measured value of the analyzer exceeds the standard, the sampler collects the sample in the buffer water tank to the sampling bottle and drains the buffer water tank; if the measured value of the analyzer does not exceed the standard, the buffer water tank is directly drained.
、环境执法—远程采样功能：产品可通过平台远程反控实现随机采样功能，该模式下可远程指定采样瓶号、采样量以及采样时间等采样信息。 3. Environmental law enforcement-remote sampling function: The product can realize random sampling function through remote counter-control of the platform. In this mode, sampling information such as sampling bottle number, sampling volume and sampling time can be specified remotely.
、平行样采集功能：产品可实现平行样采集功能，为企业和监管单位提供双份留样。 4. Parallel sample collection function: The product can realize the parallel sample collection function, and provide double sample retention for enterprises and regulatory units.
、数据记录与传输功能：产品可记录并向平台上传每次采样的时间、采样量、采样触发方式和采样瓶编号等信息；具备历史数据存储功能，设置参数自动保存，断电不丢失。 5. Data recording and transmission function: The product can record and upload to the platform information such as the time of each sampling, the sampling volume, the sampling trigger method, and the number of the sampling bottle; it has the function of historical data storage, and the parameters are automatically saved without losing power.
、门禁控制功能：产品具备电子门禁功能，仅持有相应权限门禁卡的监管人员才可开启并对采集样品进行操作；该单元能将门禁的开启信息（包括开关时间及门禁卡信息）通过控制单元上传至平台。 6. Access control function: The product has an electronic access control function. Only supervisors who have access cards with the corresponding authority can turn on and operate the collection of samples; this unit can pass the opening information (including switching time and access card information) of the access control. The control unit is uploaded to the platform.
、样品保存功能：符合HJ493-2009要求，样品避光冷藏保存，温控范围为4±2℃；采样瓶可兼容PE瓶和玻璃瓶，可灵活配置；另外，产品可扩展自动添加保存剂功能。 7. Sample storage function: meet the requirements of HJ493-2009, store the samples in the dark and refrigerated, the temperature control range is 4 ± 2 ℃; the sampling bottles are compatible with PE bottles and glass bottles, and can be flexibly configured; in addition, the product can be extended to automatically add preservatives Features.
、视频单元（选配）：人员开启系统门禁后，可触发视频拍摄和拍照上传相关人员影像信息。 8. Video unit (optional): After the personnel opens the system access control, it can trigger video shooting and take pictures to upload relevant personnel image information.
、仪器智能化程度高，设有实时网络通讯接口RS232和RS485，接受上位机或指定控制装置的信息，实现远程采样设置、执行及应答功能； 9 , the instrument is highly intelligent, with real-time network communication interfaces RS232 and RS485, receiving information from the host computer or designated control device, to achieve remote sampling setting, execution and response functions;
、仪器单次采样时，采样量及采样瓶数可以自由设定，灵活性更高； 10. When the instrument performs a single sampling, the sampling volume and the number of sampling bottles can be set freely and the flexibility is higher;
、采样瓶可以采用18只容量500mL环保局惯用的一次性瓶，避免二次污染，也可以选择24只容量1L可反复使用的聚乙烯瓶或者500ml玻璃瓶，采样瓶呈扇形排列在一个圆形箱体内，结构紧凑，采样量大； 11. The sampling bottles can use 18 disposable bottles customarily used by the Environmental Protection Agency with a capacity of 500mL to avoid secondary pollution. Alternatively, 24 polyethylene bottles or 500ml glass bottles with a capacity of 1L can be used repeatedly. The sampling bottles are arranged in a circle in a circle. Shaped body, compact structure and large sampling volume;
、缓存罐具有耐高压性能，易观察易于从仪器中拿出清洗，内壁光洁，残液无积存，同时内置于冰箱内部，做到低温保存，确保采样用水不变质； 12. The buffer tank has high pressure resistance performance, easy to observe and easy to take out and clean from the instrument, the inner wall is smooth, and the residual liquid is not accumulated. At the same time, it is built in the refrigerator to ensure low temperature storage to ensure that the sampling water does not deteriorate;
、采样结构设计紧密，采样灌装动作准确平稳，管路设计新颖，采用取样前后反吹设计，采样管路无污水残留液，确保样品无污染、真实性； 13. The sampling structure is designed tightly, the sampling and filling actions are accurate and stable, and the pipeline design is novel. The backflush design is adopted before and after sampling, and the sampling pipeline is free of sewage residue to ensure no pollution and authenticity of the sample;
、实行水电分离，控制部份与机械取水部份完全分离，仪器安全性及稳定性更好； 14. Water and electricity separation is implemented, the control part is completely separated from the mechanical water taking part, and the safety and stability of the instrument are better;
、强电与弱电部份分离，电控制部份元器件布局更合理，空间大、散热性好、仪器传输信号影响小、更易于维修，强电部分安全性高； 15. The strong and weak parts are separated, the layout of the components of the electric control part is more reasonable, the space is large, the heat dissipation is good, the influence of the signal transmitted by the instrument is small, it is easier to maintain, and the safety of the strong part is high;
、超标留样泵放置于采样器内部,大大降低采样时的振动及噪音，致使仪器采样时噪声小、振动小； 16. The excess sample retention pump is placed inside the sampler, which greatly reduces the vibration and noise during sampling, resulting in low noise and vibration when the instrument is sampling;
Fourth, the main parameters: