| Channel: | Dual |
| Memory: | 10,000 Data with date and time stamp |
| Data Log: | Auto / Manual |
| Measurement Modes: | Auto Stable / Auto Hold / Real Time |
| Calibration Alarm: | Programmable 0 to 400 days |
| Auto Power Off: | Programmable 0 to 60 minutes |
| Real-time Clock: | Available |
| Sensor Status: | On display |
| Diagnostics: | Error codes |
| Language: | English, Japanese, French, German, Spanish, Portuguese, Chinese |
| PC Communication: | Via micro USB cable or wireless |
| Printer Communication: | Via 25-pin D-sub printer (RS232) cable |
| Meter Input: | Push-pull connector |
| Display: | Color graphic TFT-LCD, 3.5 inches |
| Housing: | IP67, shock & scratch resistant, non-slip (ABS / polycarbonate) |
| Power Requirement: | 4 x AA batteries / battery pack or USB charger with micro USB cable |
| Battery Life: | > 100 hours (with display brightness 3 and no sensor connected) |
| Dimensions: | 220 (L) x 90 (W) x 34 (H) mm |
| Weight: | Approx. 400g (batteries included), 320g (batteries excluded) |
| Model: | 300PH-2 |
| pH Range: | -2.00 to 20.00 pH -2.000 to 20.000 pH |
| Temperature Range: | -30.0 to 130.0 °C -22.0 to 266.0 °F |
| Junction Material: | Porous sintered polyethylene |
| Double Junction: | Yes |
| Temperature Sensor: | Built-in |
| Length & Diameter: | 85 x 30 mm |
| Body Material: | ABS and polycarbonate |
| Cable Length: | 2m |
| Resolution: | 0.1 °C / °F |
| Accuracy: | ±0.5 °C / ±0.9 °F |
| Calibration Points: | Up to 4 (Auto) / Up to 5 (Manual) |
| pH Buffer Groups: | USA, DIN, NIST, NIST10, Custom |
| mV Range: | ±1000.0 mV |
| Calibration Option: | Yes |
| Connector: | Push-pull |
| Model 300-D-2: | 300-D-2 |
| Dissolved Oxygen (DO) Range : | 0.00 to 20.00 mg/L 0.0 to 200.0 % |
| Dissolved Oxygen (DO) Range: | 0.00 to 20.00 mg/L 0.0 to 200.0 % |
| Salinity Compensation: | Auto by conductivity sensor / Manual 0.0 to 40.0 ppt |
| Barometric Pressure Compensation: | Auto by built-in barometer / Manual 10.0 to 199.9 kPa |
| Oxygen Range: | 0.0 to 50.0% |
| Model 300-4C-C: | 300-4C-C |
| Cell Constant : | 0.172 cm-1 |
| Conductivity Range: | μS/cm 0.000 to 0.199 0.200 to 1.999 2.00 to 19.99 20.0 to 199.9 200 to 1999 mS/cm 2.00 to 19.99 20.0 to 199.9 200 to 2000 |
| Model 300-C-2: | 300-C-2 |
| Reference Temperature: | 15 to 30 °C |
| Temperature Coefficient: | 0.00 to 10.00 %/°C |
| Units: | S/cm, S/m |
| Salinity Range: | 0.00 to 80.00 ppt 0.000 to 8.000 % |
| Salinity Curves: | NaCl, Seawater (UNESCO 1978) |
| Total Dissolved Solids (TDS) Range : | 0.01 mg/L to 200,000 mg/L |
| TDS Curves: | Linear (0.40 to 1.00), EN27888, 442, NaCl |
| Resistivity Range: | Ω•cm 0.1 to 199.9 200 to 1999 kΩ•cm 2.00 to 19.99 20.0 to 199.9 200 to 1999 MΩ•cm 2.00 to 19.99 20.0 to 200.0 |