Equipment and Calibration

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Equipment Entry

Instrument: Water Level Manufacture: DFRobot Model No: GL-136 Serial No: GL-136-01 Tag No: Acquisition Date: 2019-08-27 Project: Ana-MarieCurie Location on 2020-02-25: Lab, Notes: DFRobot KIT0136: Throw-in Type Liquid Level Transmitter plus Gravity: Analog Current to Voltage Converter(4~20mA). 5m range, 12-36VDC in, 0.5% accuracy, 0-5m water = 0.48-2.4V

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History

Rec No.	Date	Loc From	Title	Loc To	Notes
4397	2020-02-25	Lab	Tested	Lab	I tested this sensor in the lab and could not get it to work. I used the current-to-voltage board provided with the sensor connected to a CR1000. I also connected a multimeter in place of the current-to-voltage board to measure the current. Both setups showed no response even when dunking the sensor in about 1.5m pipe filled with water. I recommend disposal.
4389	2020-02-20	Mayberry 0	Removed	Lab none	Removed from MB and brought back to the lab b/c it hasn't been comparing well to the regular CSI water level sensor.
4095	2019-09-04	Lab none	Installed	Mayberry 0	This new sensor is in the water next to the northeast corner post of the scaffolding. It was in about 21cm of water and about 5 cm above the bottom. Test to see if a cheap sensor can do as well as the expensive ones.