Lutron Electronics WAC-2019SD - 18 Patent

Conductivity * Conductivity/Salt probe
Salt Model : CDPB-03
optional * 1.413 mS standard solution.
accessories Model : CD-14
Dissolved * Oxygen probe
Oxygen Model : OXPB-11
optional * Spare Probe head with Diaphragm set
accessories Model : OXHD-04
* Probe-filling Electrolyte
Model : OXEL-03
ORP * ORP electrode
Model : ORP-14, ORP-15
18. PATENT
The meter ( SD card structure ) already
get patent or patent pending in following
countries :
Germany Nr. 20 2008 016 337.4
JAPAN 3151214
CHINA
ZL 2008 2 0189918.5
ZL 2008 2 0189917.0
51 200511-WAC2019SD