Sea-Bird Scientific WQM
Sea-Bird Scientific WQM
Sea-Bird Scientific WQM
Sea-Bird Scientific WQM

Sea-Bird Scientific WQM

Water Quality Monitor for Maximum Deployment Times

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Ideally suited for unattended monitoring the WQM X employs active flow control, passive flow prevention, light-blocking, active biocide injection and passive inhibitors to effectively and safely combat internal and external fouling. With fouling minimized, the superior inherent stability of the WQM sensors translates directly to superior long-term data quality.

  • Unattended
  • Conductivity, pressure, chlorophyll, temperature, dissolved oxygen, turbidity
  • Designed specifically for extended deployment in biologically rich waters
  • RS-232

Advantages

Robust: excellent anti-fouling capability provided by EPA approved anti-foulant, internal, pumped flow path and external copper cladding and wiper

  • Accurate: high initial accuracy and low drift rate
  • Cost Effective: typical deployment duration of 3- 6 months equals fewer site visits and lower operational costs year after year
  • External port enables the easy integration of an additional sensor

Resources

Sea-Bird Scientific WQM Manual
Download, 2.16 MB
Sea-Bird Scientific WQMX Brochure
Download, 351.27 KB
Sea-Bird Scientific WQM Brochure
Download, 306.42 KB
Water Quality Solutions Overview Video
Watch on Youtube
WET Labs WQM Video
Watch on Youtube

Technical Data

Measured Parameters
CONDUCTIVITY
Range 0 … 9 S/m
Accuracy 0.003 mS/cm
Resolution 0.00005 S/m
PRESSURE
Range 0 … 100 or 0 … 200 m
Accuracy 0.1% Full Scale
Resolution 0.002% Full Scale
FLUORESCENCE
Range 0 … 50 µg/I
Accuracy 0.2% FS µg/I
Precision 0.04% FS µg/I

0.02% FS/deg C
Wavelength EX/EM 470/695 nm
TEMPERATURE
Range -5 … 35°C
Accuracy 0.002 °C
Resolution 0.001 °C
DISSOLVED OXYGEN
Range 120% of saturation (200% upon request)
Accuracy 2% of saturation
Resolution 0.035% of saturation (0.003 ml/l at 0 C, 35 PSU)
TURBIDITY
Range 0 … 25 NTU
Accuracy 0.1% FS NTU
Precision 0.04% FS NTU
Wavelength 700 nm
ELECTRICAL
Connector MCBH-6-MP, MCBH-4-FS
Output RS-232
Input 9 … 16 VDC
Sample rate 1 Hz
Current draw <100 mA Sampling
350 mA Peak
< 50 µA Sleep
MECHANICAL
Depth 200 m
Pressure housing Acetal copolymer, ABS, PVC, titanium, copper
Dimensions 65.4 cm long x 18.5 cm max OD
Weight in air 5.4 kg
Weight in water 1.8 kg
a. Oxygen range is relative to surface saturation.b. +/- 0.2 mg/l or 2% of reading, whichever is greater. c. Available measurement ranges: 0–30 ?g Chl/l, 0–10 NTU 0–50 ?g Chl/l, 0–25 NTU 0–50 ?g Chl/l, 0–100 NTU 0–75 ?g Chl/l, 0–200 NT

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