DR-803C4 is a suspended water quality automatic sampler designed for use within sewage wells. It features an integrated lithium battery, with a compact size and lightweight design.Lightweight, portable, one-touch operation; stops automatically upon reaching the set sample capacity. Suitable for third-party testing companies, monitoring departments, urban construction, and water resources departments for long-term unattended sampling in sewage wells. 

Automatic Sampling Function: The instrument can perform time-proportional automatic sampling, with adjustable single sampling volume and number of samples.

Automatic Emptying Function: Once the instrument is set to the automatic sampling mode, the system will automatically empty the residual water in the tube before and after each sampling to ensure that no sedimentation or blockage occurs in the sampling pipeline.

Automatic Rinse Function: The sampler can automatically rinse the sampling line before each sample, ensuring that each collected sample does not interfere with the others.

Leak Detection: Should a leak occur within the instrument, it will automatically cease operation and trigger an alarm.

Battery-Powered: The sampler is powered by an integrated lithium battery, which allows for continuous normal operation after being fully charged.5 days;

Sample Record: Storeable1,000 records.