Automatic Water Sampler(WS9200/9250)

Core Advantages All-Year Round Constant Temperature Preservation Built-in compressor refrigeration system + low-temperature heating module. Real-time temperature monitoring, over-temperature alarm, automatic cooling/heating switching. Keep composite water samples stable at 4±2℃ to comply with global environmental testing standards, avoid sample deterioration in high summer or freezing in cold winter. 6 Professional Sampling Modes to Meet All Monitoring Need Schedule Timed Sampling (Max 24 preset time points weekly) Time Proportional Sampling Flow Proportional Sampling (Match external flowmeter 4-20mA signal) Liquid Level Proportional Sampling Rainfall Trigger Sampling (Support external rain gauge connection) Manual Instant Sampling All sampling volume, intervals, mixing times are freely programmable with ±5% high sampling accuracy. Anti-Contamination Pipeline Self-Cleaning System Automatic pipeline flushing before each sampling (customizable rinse duration) Auto drain residual water pre & post sampling to prevent sediment clogging Sampling head with filter screen to block large impurities Double pump design (circulation pump + sampling pump) to guarantee representative water samples without cross-contamination Flexible Triple Power Supply Design AC 110V/220V mains power (50/60Hz) DC12V wired power supply Car cigarette lighter DC12V power  Perfect for fixed station, vehicle-mounted mobile patrol and remote off-grid field sites. Rugged IP55 Outdoor Industrial Grade Full sealed anti-dust & anti-splash cabinet, withstand harsh rain, dust and temperature fluctuation Heavy-duty portable frame; WS-9250 fitted with silent rolling wheels & handrail for easy transport Password lock function to prevent unauthorized parameter modification Pump tube service life reminder, component manual test function for easy maintenance Product Paramenters