Portable Dissovled Oxygen Meter

<div>Input Channels: 1</div><div>Input Types: Digital serial ASCII, TTL level, 9600 bps</div><div>Frequency Range: 0.5 to 1500 Hz</div><div>Accuracy: 0.5% of reading (display)</div><div>Measurement Types: Flow, pH/ORP, conductivity/resistivity, salinity, pressure, temperature or batch</div><div>Enclosure and Display</div><div>Case Material: PBT</div><div>Window: Shatter-resistant glass</div><div>Keypad: 4 buttons, injection-molded silicone rubber seal</div><div>Display: Backlit, 7 and 14-segment</div><div>Update Rate: 1 second</div><div>LCD Contrast: 5 settings</div><div>Indicators: “Dial-style” digital bar graph, LEDs for open collector, relays and warning indicator</div><div>Enclosure: ¼ DIN, NEMA 4X/IP65</div><div>Mounting Panel: ¼ DIN, ribbed on four sides for panel mounting clip inside panel, silicon gasket (included)</div><div>Field Mounts: Specified to Omega® field mount junction boxes</div><div>Weight: 0.63 kg (1.38 lb)</div><div>Display Ranges</div><div>For PH/ORP version visit omega.com/dpu91_ph For flow version visit omega.com/ dpu91_flow</div><div>Conductivity: 0.0000 to 99999 µS, mS, PPM and PPB (TDS), kΩ, MΩ</div><div>Conductivity Temperature: -99 to 350°C (-146 to 662°F)</div><div>Temperature: -99 to 350°C (-146 to 662°F)</div><div>Salinity: 0 to 100 PPT</div><div>Environmental</div><div>Ambient Operating Temperature:</div><div>    Backlit LCD: -10 to 70°C (14 to 158°F)</div><div>    Storage Temperature: -15 to 70°C (5 to 158°F)</div><div>Relative Humidity: 0 to 100% condensing for field mount; 0 to 95% non-condensing for panel mount</div><div>Maximum Altitude: 4000 m (13,123')</div><div>Electrical Requirements</div><div>Power to Sensors:</div><div>  &amp