| Items | 300 Series | 400 Series
| 500 Series
| 700 / 950 Series
| U900 Series |
Range — Conductivity
| 0 – 500ms/cm | 0 – 500ms/cm | 0 – 500ms/cm | 0 – 500ms/cm | 0 – 400ms/cm |
Range — Resistivity
| 0 – 18.25MΩ /cm | 0 – 18.25MΩ /cm | 0 – 18.25MΩ /cm | 0 – 18.25MΩ /cm | 0 – 18.25MΩ /cm |
| Range — TDS | 0 – 250g/L | 0 – 250g/L
| 0 – 250g/L
| 0 – 250g/L | 0 – 250g/L |
Range — Salinity
| 0 – 700ppt | 0 – 700ppt
| 0 – 700ppt
| 0 – 700ppt | 0 – 400mg/L |
Temperature Compensation
| Automatic or Manual | Automatic or Manual | Automatic or Manual | Automatic or Manual | Automatic or Manual |
| Output Current | 2 x 4 – 20mA | 20 - 4mA | 0 - 20mA | 2 x 4 – 20mA | 20 - 4mA | 0 - 20mA | 2 x 4 – 20mA | 20 - 4mA | 0 - 20mA | 2 x 4 – 20mA | 20 - 4mA | 0 - 20mA | 2 x 4 – 20mA | 20 - 4mA | 0 - 20mA |
| Communication Output | RS485 Modbus RTU
| RS485 Modbus RTU | RS485 Modbus RTU | RS485 Modbus RTU | RS485 Modbus RTU |
| Data Recording | -
| -
| Data Recording/Trend Chart Display
| Data Recording/Trend Chart Display | Data Recording/Trend Chart Display |
| Relay Control Contact | Two (2) Relays: 3A Outputs
| Two (2) Relays: 3A Outputs | Three (3) Relays: 5A Outputs
| Three (3) Relays: 5A Outputs
| Three (3) Relays: 5A Outputs
|
| Optional Power Supply | 85 – 265VAC or 9 – 36VDC | 85 – 265VAC or 9 – 36VDC | 85 – 265VAC or 9 – 36VDC | 85 – 265VAC or 9 – 36VDC | 85 – 265VAC or 9 – 36VDC |
| Protection Grade | IP65 (Std) | NEMA4X | IP65 (Std) | NEMA4X | IP65 (Std) | NEMA4X | IP66 (Std) | NEMA 4X | IP66 (Std) | NEMA 4X |
Installation
| Panel | Wall | Pipe Mount | Panel | Wall | Pipe Mount | Panel | Wall | Pipe Mount | Wall Mount | Wall Mount |
