Model : PWA-301    筆型水質測試計

* Water conditioning, aquarium, food processing, photography, school, laboratory, industrial and quality control.

* Check the condition of water filter.

* Measurement : 0 to 1999 uS.

* Meter with the probe, all in 1, easy operation.

* Hold, Record ( max., min. ).

* IP-67 Water resistance, heavy duty.

* DC 1.5V battery ( UM-4, AAA ) x 4.