Table 12   Water Quality Monitoring and Sampling Equipment

Parameter

Equipment

Model

Range

Equipment Accuracy

Serial No.

Temperature

Dissolved Oxygen

Salinity

pH

Turbidity

YSI Water Quality Multipara meter

YSI ProDSS

Tem: -5 to 50°C

DO: 0-50mg/L

DO%: 0-500%

Sal: 0 to 70ppt

pH: 0 to 14 pH units

Turb: 0- 4000NTU

Temp: ±0.2°C;

DO: ±0.1mg/L or 1% for 0-20mg/L; ±8% for 20-50mg/L

Sal: ±1% of reading or 0.1 ppt (whichever is greater)

pH: ±0.2 units

Turb: ±3% or 0.3NTU (FNU)

(whichever greater)

24G101659

Current Velocity and

Direction

Current Meter

Valeport Model 106

Speed: 0.03 to 5 m/s

Direction: 0 to 360

Speed: ± 1.5% of reading above 0.15m/s, ± 0.004 m/s below 0.15m/s

Direction: ± 2.5o

N/A

Water Sampling

Water Sampler

Aquatic Research Instruments 2.2L Horizontal Water Sampler HWS2.2CP

N/A

N/A

N/A

Positioning

DGPS

GARMIN GPSMAP 78s

N/A

GPS: ±1m

N/A

Water Depth

Echo Sounder

Garmin ECHO 101

Maximum depth: 457.2 m

0.1 m

N/A