Table 4.4 – Water Quality Monitoring and Sampling Equipment

Parameter

Equipment

Model

Range

Equipment Accuracy

Serial No.

Temperature,

Dissolved Oxygen,

Salinity,

pH,

Turbidity

Water Quality Monitoring Device

Xylem EXO 3

Temp: -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;
±5% for 20-50mg/L
Sal:
±2% of the reading or 0.2 ppt (whichever greater)
pH: ±0.2 units

Turb: ±3% or 0.3NTU (FNU)
(whichever greater)

19E100634

19A105807

In-situ Aqua TROLL 600

Temp: -5 to 50°C

DO: 0-50mg/L

DO%: 0-500%

Sal: 0 to 350 psu (ppt)

pH: 0 to 14 pH units

Turb: 0-4000NTU

Temp: ±0.1°C

DO: ±0.1mg/L for 0-8mg/L; ±0.2mg/L for 8-20mg/L;
±10% for 20-50mg/L

Sal: resolution: 0.1psu (ppt)

pH: ±0.1 units

Turb: ±2% or ±2NTU
(whichever greater)

NA

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

67738

River Surveyor M9

Water Depth: 0-80m

Water Depth: 1%

Current speed: ±0.25% of measured velocity or ±0.2cm/s

Current direction: ±2degree magnetic

5906

Water Sampling

Water Sampler

Acrylic Beta Water Bottle Kit, Horizontal, 3.2L / 4.2L

NA

NA

NA

Positioning

DGPS

Simrad MX521B Smart Antenna with Simrad MX610 CDU

NA

GPS: ±1m

NA

Water Depth

Echo Sounder

Garmin ECHO 101

Maximum depth: 457.2 m

0.1 m

NA