compare diver features	TD-DIVER Water Level Logger	MICRO-DIVER Water Level Logger	CERA-DIVER Water Level Logger	CTD-DIVER Water Level Logger	BARO-DIVER Water Level Logger
Diameter	22mm	18mm	22mm	22mm	22 mm
Memory (#records)	72.000	48.000	48.000	48.000	72.000
Corrosion proof
Conductivity
Sample methods
Fixed/linear
Pumping test
Event based
Averaging
Pressure range
1.5 meter
10 meter
20 meter
50 meter
100 meter
Pressure accurancy	±0.05 %FS	±0.10 %FS	±0.05 %FS	±0.05 %FS	±0.5 cmH2O
Pressure resolution	0.02 %FS	0.02 %FS	0.02 %FS	0.02 %FS	0.1 cmH2O
Temperature
Sample interval	0.5 s to 99 hour	0.5 s to 99 hour	0.5 s to 99 hour	1 s to 99 hour	0.5 s to 99 hour
Weight	104 grams	45 grams	50 grams	95 grams	104 grams
Length	110 mm	88 mm	90 mm	135 mm	110 mm