Automatic Water Level Monitoring System

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The automatic water level monitoring system – Model EWLR-101 – is used to get administers significant quantitative data on the magnitude of the water column, water table and the temperature in a borehole. The system contains an absolute water level sensor with a cable and an automatic data logger with the required data retrieval/transmission options. The data logger is programmed to automatically store the water head/pressure data at fixed intervals with a minimum scan/upload interval from 5 seconds to 168 hours with different options to download the data. Data transmission can be set remotely at scheduled times with telemetry (GSM/GPRS inbuilt modem) or downloaded on a laptop/mobile in the field through Bluetooth or a cable. The water level data can be modified for specific gravity variations in water.

The EWLR-101 monitors water levels at remote locations continuously in near real time from a central location and also sends alerts through SMS and E-mail. This solution gives researchers and decision maker quick access to the comprehensive groundwater data efficiently and cost effectively.


InputEPP-30V, EPP-40V, EPP-60V pressure sensor
Sensor Range (MPa)EPP-30V: 0.2, 0.35, 0.5, 0.7, 1.0, 1.5, 2.0, 3.5 (20, 35, 50, 70, 100, 150, 200, 350 m WC)
EPP-40V: 0.35, 0.5, 0.7, 1.0, 2.0 (35, 50, 70, 100, 200 m WC)
EPP-60V: 0.10, 0.20 (10, 20 m WC)
Sensor Accuracy± 0.2 % fs standard | ± 0.1 % fs optional
CableCS-1102 or CS-1302 four conductor
Data loggerESCL-10VT/ESDL-30
Logger Memory capacity8 MB Flash RAM, can store 3,145,728 data points
Communication portOne RS-232 serial port
Measuring modesLinear or event sampling
Power supplyLithium cells, Battery life is more than 5 years for 4 measurement/day and one transmission/day.
Bluetooth portDetachable dongle

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