We provide Tender Bidding Support for Supply Of Dissolved Oxygen Meter Items : Display: Lcd, 3 Digits Or Higher. Measurement Range: D. O. - 0 To 20.0 Mg/L. Or Higher Resolution: 0.1 Mg/L Or Higher Accuracy: ± 0.4 Mg/L. Or Lower Sensor Temp.: Automatic From 0 To 40? Or Higher Panel Adj. Knob: Zero Knob, Cal Knob. Battery: 006P Dc 9V Battery Heavy Duty. Power Consumption: Dc 3.5 Ma. Operating Temp.: 0 ? To 50 ? 32 ? To 122 ?. Operating Humidity: Max 80% Rh. Oxygen Probe: 190 Mm X 28 Mm Dia. 7.5 X 1.1 Dia. Probe Cable Length: 4 Meters Accessories Oxygen Probe Oxpb-09N: 1 Pc. Carrying Case: 1 Pc. Operation Manual:1 Pc. Spare Probe Head With Diaphragm Set, Oxhd-04: 2 Set Probe-Filling Electrolyte, Oxel-03: 1 Set Optional Accessories Oxygen Probe: Oxpb-09 Spare Probe Head With Diaphragm Set: Oxhd-04 Probe-Filling Electrolyte: Oxel-03 Usb Cable, Data Acquisition Software