Specifications

5.4.12 Specifications

For the non-directional Waverider (WR-SG) see Table 5.4.3 and for the Directional Waverider

MkIII (DWR-MkIII) see Table 5.4.4.

Table 5.4.3. Specifications of WR-SG.

Parameter Value

Heave

Range −20-+20 m

Resolution 1 cm

Scale accuracy (gain error) < 0.5 % of measured value after calibration

< 1.0 % of measured value after 3 year

Zero offset < 0.1 m

Period time 1 s-24 s

Cross sensitivity < 3%

Filter

Sampling frequency 10.24 Hz

Digital filtering type phase-linear, combined band-pass

and double-integrating FIR filter

Filter delay 104.7 s

HF Output buffer delay and actual

HF output

5.5 s (exact, does not apply to logger files)

Data output rate 2.56 Hz

Band-pass characteristics 0.050-0.99 Hz: 0.03 dB

0.048-0.99 Hz: 0.3 dB

0.042-1.0 Hz: 3 dB

Extreme temperatures

Operating (in water) −5 ºC-+35 ºC (water temperature)

Storage −5 ºC-+40 ºC

Short term storage (weeks) max. 55 ºC

Short term storage min. see Equation (5.4.2)