TR - Temperature Only Logger in thick walled cylinder (PVC)
TX - Temperature Only Logger in thin walled cylinder
TDR - Temperature & Depth Logger in thick walled cylinder
TDX - Temperature & Depth Logger in thin walled cylinder
Memory 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 20 oC0.1 oC resolution+/- 0.2 oC
-5 to 35 oC0.2 oC resolution+/- 0.3 oC
-30 to 40 oC0.3 oC resolution+/- 0.5 oC
Thermal Time Constant: Typically 45 seconds in stirred
Depth Ranges: Factory Preset to one of the following:
17 m (25 PSI)0.1 m resolution+/- 0.5 m accuracy
34 m (50 PSI)0.2 m resolution+/- 1.0 m accuracy
68 m (100 PSI)0.4 m resolution+/- 2.0 m accuracy
136 m (200 PSI)0.8 m resolution+/- 4.0 m accuracy
204 m (300 PSI)1.2 m resolution+/- 6.0 m accuracy
340 m (500 PSI)2.0 m resolution+/- 10.0 m accuracy
680 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
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.