| Model | Accuracy | Description | Full Scale | Conductivity Range | Communication Interface | User Software |
|---|---|---|---|---|---|---|
 TruBlue™ 585 CTD |
Level = ±0.05% FS TEB, Conductivity = 1% of reading or 20 microsiemens | 0.75″ diameter, Five year permanent battery, 8MB onboard memory holds 550,000 data points | 0 – 11.5, 35, 50, 59, 115, 231, 288, 692 ft H2O | 5 – 200,000 microsiemans | RS-485 | Free TruWare included |
 TruBlue™ 255 Level |
0.05% FS TEB | Compact water level datalogger with optional rapid sampling option featuring 56MB of memory and auxiliary battery pack to support 4Hz sampling for 14 days | 0 – 16, 35, 81, 196, 254, 658 ft H2O | N/A | RS 485 | Free TruWare software included |
 TruBlue™ 275 Baro |
±0.05% FS TEB | Compact barometric pressure data logger with 0.05% FS TEB accuracy and standard 8MB internal memory | 8-16 psia | N/A | RS-485 | Free TruWare Included |
 TruBlue™ 555 Level |
±0.05% FS TEB | 0.75″ diameter, Five year permanent battery, 8mb onboard memory holds 550,000 data points | 0 – 11.5, 35, 50, 59, 115, 231, 288, 692 ft H2O | N/A | RS-485 | Free TruWare included |
 TruBlue™ 575 Baro |
±0.05% FS TEB | 0.75″ diameter, Five year permanent battery, 8MB onboard memory holds 550,000 data points | 8-16 psia | N/A | RS-485 | Free TruWare included |
