| PartNumber | CTANK-A511 | CTANK-A520 | CTANK-A510 |
| Description | Distance Sensor Modules ConnectTank, Short Range Ultrasonic sensor, North America HSPA, with GPS | Distance Sensor Modules ConnectTank, Mid Range Ultrasonic sensor, North America HSPA | TANK LEVEL MONITOR A510 |
| Manufacturer | Digi International | Digi International | Digi International |
| Product Category | Distance Sensor Modules | Distance Sensor Modules | Float, Level Sensors |
| RoHS | Y | Y | Details |
| Type | Ultrasonic Sensor | Ultrasonic Sensor | - |
| Operating Supply Voltage | 7.2 V | 7.2 V | - |
| Interface Type | Serial, USB | Serial, USB | - |
| Minimum Operating Temperature | - 30 C | - 30 C | - |
| Maximum Operating Temperature | + 65 C | + 65 C | - |
| Description/Function | Short range ultrasonic sensor, North America HSPA with GPS | Mid range ultrasonic sensor, North America HSPA | - |
| Dimensions | 178 mm x 129 mm x 150 mm | 178 mm x 129 mm x 150 mm | - |
| Series | CTANK | CTANK | - |
| Brand | Digi International | Digi International | Digi International |
| Product Type | Distance Sensor Modules | Distance Sensor Modules | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Sensor Modules | Sensor Modules | - |