RBR Coda 3 D, Manual

Page: 5 / 13

RBR#0008817revC 5
2.2 Sensor specifications
Pressure
The RBR coda
3
D, RBR coda
3
D | deep, RBR coda
3
T.D, and RBR coda
3
T.D | deep use the same piezoresistive pressure
sensor. It is protected by a clear plastic guard. During deployments, always orient the sensor downwards to reduce
debris collecting in the housing.
Parameter Value
Range* 20 / 50 / 100 / 200 / 500 / 1000dbar (plastic)
1000 / 2000 / 4000 / 6000dbar (Ti)
Initial accuracy ±0.05% full scale
Resolution <0.001% full scale
Typical stability ±0.05% full scale / year
Time constant <10ms
*Recommended depth for wave measurements is less than 50m.
Temperature
The RBR coda
3
T, RBR coda
3
T | deep, RBR coda
3
T.D, RBR coda
3
T.D | deep, and RBR coda
3
T.ODO | deep use the same
thermistor-type temperature sensor.
Parameter
Range* -5°C to 35°C
Initial accuracy ±0.002°C
Resolution <0.00005°C
Typical stability ±0.002°C / year
Time constant
~0.1s |fast, ~1s standard, ~15s | slow
*A wider temperature range is available upon request. Contact RBR for more information.
Pressure sensor
Value
Temperature sensor