Keterangan :

Pro20 Instrument General SpecificationsBarometer Built-in barometer
Cable Lengths* 1- 4- 10- 20- 30- and 100-m lengths ( special order up to 100-m)
( 3.28, 13.1, 32.8, 65.6, 98 ft.)
Certifications RoHS, CE, WEEE, IP-67, 1-meter drop test
Connector MS ( military spec) waterproof with bayonet lock
Data Memory 50 data sets
Dimensions 8.3 cm width x 21.6 cm length x 5.6 cm depth ( 3.25 in x 8.5 in x 2.21 in)
Languages English, Spanish, German, French
Power 2 alkaline C-cells providing 450 hours of battery life;
low battery indicator
Salinity Input Range 0-70 ppt; manual ( automatically compensates for manual input value)

Waterproof : IP-67 ( even with the battery cover off)
Weight with Batteries : 475 grams ( 1.05 lbs)

Pro20 System Specifications ( Instrument with Cable & Probe)
Specifications:
Range: Dissolved Oxygen: 0% to 500% air saturation; 0 to 50 mg/ L; -5º C to 45º C; Temperature: -5º C to 45º C.
Resolution: Dissolved Oxygen: 0.1% air saturation or 1% selectable; 0.01 mg/ L or 0.1 mg/ L selectable; 0.1º C; Temperature: 0.1º C.
Accuracy: Dissolved Oxygen: 0% to 200% : ± 2% air sat. or ± 2% of reading, whichever is greater; 200% to 500% : ± 6% of reading; 0 to 20 mg/ L; ± 0.3 mg/ L or ± 2% of reading, whichever is greater; 20 to 50 mg/ L: ± 6% of reading; ± 0.3º C; Temperature: ± 0.3º C.
Range 400 to 999.9 mmHg, Accuracy ± 5 mm Hg within ± 5° C temperature range from calibration point, Resolution 0.1 mm Hg