Data Logger Configured with Water Level Sensor

Models:TR - Temperature Only Logger in thick walled cylinder (PVC)TX - Temperature Only Logger in thin walled cylinderTDR - Temperature & Depth Logger in thick walled cylinder (PVC)TDX - Temperature & Depth Logger in thin walled cylinderMemory Type:Non-volatile EEPROM.Data Retention:20 years.Standard Memory Capacity:8064 readings of Temperature (TR, TX). 8128 readings of Temperature and Depth (TDR, TDX).Power Supply:Single Lithium Cell, 1/2 AA size.Battery Life:5 years or 1000 full deployments (TR, TX). 5 years or 700 full deployments (TDR, TDX).Logging Interval:1 second to 6 hours.Logging Duration:2 1/4 hours to 5 years.Temperature Range:Factory preset to one of the following:-4 to 20oC0.1oC resolution+/- 0.2oC accuracy-5 to 35oC0.2oC resolution+/- 0.3oC accuracy-30 to 40oC0.3oC resolution+/- 0.5oC accuracyThermal Time Constant:Typically 45 seconds in stirred liquid.Depth Ranges:Factory Preset to one of the following:17 m (25 PSI)0.1 m resolution+/- 0.5 m accuracy34 m (50 PSI)0.2 m resolution+/- 1.0 m accuracy68 m (100 PSI)0.4 m resolution+/- 2.0 m accuracy136 m (200 PSI)0.8 m resolution+/- 4.0 m accuracy204 m (300 PSI)1.2 m resolution+/- 6.0 m accuracy340 m (500 PSI)2.0 m resolution+/- 10.0 m accuracy680 m (1000 PSI)4.0 m resolution+/- 20.0 m accuracy (TDR only)Case:TX, TDX - Thin walled epoxy cylinder, 16 mm diameter x 71 mm length. Minimum diameter case, can be fastened with nylon cable tie loop in non-sensor end.TR, TDR - PVC cylinder, 22 mm diameter x 95 mm length. More robust than TX case. Can be fastened through a 0.25 inch hole in non-sensor end.Weight:TX, TDX - 23 g in air, 10 g in water. TR, TDR - 41 g in air, 12 g in water.Maximum Depth:1000 m (TR), 340 m (TX), maximum rated value of depth sensor + 50% for TDX and TDR.Full Memory Download:Standard 8 k TX or TR - 3 minutes. Standard 16 k TDX or TDR - 6 minutes.