Gem Bids For 1. Turbidity Sensor, Make: M/S Hach, P/N No: Lxv445.99.10112, 2. Turbidity Transmitter, Make- M/S Hach, P/N No-Lxv525.99A11551, 3. Calibration Standard Solution Forturbidity Meter, Make: M/S Hach, P/N No- Lzy898