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WQ730 TURBIDITY SENSOR & WQ770-B TURBIDITY METER
Submersible Water Quality Sensor & Meter
turbidity meter,turbidimeter,turbidity sensor FEATURES:
  • Simple and convenient to use
  • Marine grade cable with strain relief
  • Rugged stainless steel and Delrin sensor housing
To Order Call 1-800-876-1172
Conductivity Testers Options & Prices
On this page:

Turbidity Sensors Product Description
Turbidity Sensors Specifications
Turbidity Sensors Options & Prices

Downloads (PDF):

WQ730 Turbidity Sensors
Turbidity Sensors Brochure
Turbidity Sensors Manual

WQ770-B Turbidity Meters
Turbidity Meters Brochure
Turbidity Meters Manual*

*May take several minutes to download, depending on your internet connection speed.
Additional Information:

Product Support

Turbidity Sensor Product Description
turbidity sensor,4-20mA

WQ730 Turbidity Sensor

turbidity meter,4-20mA

WQ770-B Turbidity Meter

Turbidity Sensor
Global Water's Turbidity Sensor is a highly accurate submersible instrument for in-situ environmental or process monitoring.  Applications for the turbidity sensors include: water quality testing and management, river monitoring, stream measurement, reservoir water quality testing, groundwater testing, water and wastewater treatment, and effluent and industrial control.

In accordance with USEPA Method 180.1 for turbidity measurement, the Turbidity Sensors are a 90 degree scatter nephelometer.  The turbidity sensor directs a focused beam into the monitored water.  The light beam reflects off particles in the water, and the resultant light intensity is measured by the turbidity sensor's photodetector positioned at 90 degrees to the light beam.  The light intensity detected by the turbidity sensor is directly proportional to the turbidity of the water.  The turbidity sensors utilize a second light detector to correct for light intensity variations, color changes, and minor lens fouling.

For environmental or process monitoring, simply place the turbidity sensor directly in the water and position it where the turbidity is to be monitored.  Since the turbidity sensor uses light to detect the water's turbidity ensure that the minimum amount of external light possible is exposed to the monitoring site.

Turbidity Meter
The Global Water Turbidity Meter combines the turbidity sensor (described above) with a handheld meter that has a six digit LED screen, 4-button control panel, and an internal 9V battery.  The handheld portable turbidity meter can be used for enivronmental or process sites that do not require permanent monitoring.  The turbidity meter will display readings directly in either nephelometric turbidity units (NTU) or parts per million (PPM).  The turbidity meter also includes an automatic shutoff feature to conserve battery power.

Turbidity Sensor Cleaning and Use
To maintain accurate readings with your turbidity sensors the lenses should be cleaned a minimum of once per week.  Depending on the monitoring site, the turbidity sensor's lenses may need to be cleaned as much as once per day.  The turbidity sensor has been designed for harsh field conditions and uses the latest manufacturing design technology.
Turbidity Sensor Specifications
Range: Sensor=0-50 NTU and 0-1000 NTU; Meter=0-50 NTU or 0-1000 NTU selectable
Accuracy: + 1% of full scale
Meter Resolution: 12 bit
Output: 4-20mA (Sensor, both ranges), LED screen (Meter)
Method: Nephelometer with correction
Operating Voltage: 10-36 VDC @ 40 MS (Sensor); Internal 9VDC battery (Meter)
Current Draw: 30 mA plus sensor output (Sensor)
Warm-up Time: 5 seconds minimum (Sensor)
Operating Temperature: 14 to 122°F (-10 to +50°C) (Sensor); 32 to 122°F (0 to +50°C) (Meter)
Materials: 306 stainless steel, delrin, polyether jacketed cable.
Maximum Pressure: 30 psi
Light Source: Infrared LED, (880nm)
Cable Length: Sensor=25 ft standard (optional to 500 ft)
Size: Body= 1 1/2 x 8.5 inches (3.8 x 21.6 cm) (Dia x Length)
Weight: 1lb (454 g) (Sensor); 2 lbs (907 g) (Meter+sensor)
Turbidity Sensor Options & Prices
Prices listed are for United States and Canada only.  Call or e-mail us for pricing in other countries.
Terms and Conditions

WQ730 Turbidity Sensor (PN# DFJ000)
25 foot standard cable length.
$1,164
WQ770-B Turbidity Meter (PN# DG0200)
Includes turbidity sensor on 25 foot standard cable length.
$1,509
WQEXC Extra Cable (PN# DH0000)
Over included cable length, up to 500 foot.
$2.1/foot
TURBIDITY SENSOR CALIBRATION SOLUTION
Standard, 0.0 NTU Turbidity, 1 L (PN# 02-003)
Standard is an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable.
$74
Standard, 50 NTU Turbidity, 1 L (PN# 02-004)
Standard is an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable.
$155
Standard, 100 NTU Turbidity, 1 L (PN# 02-005)
Standard is an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable.
$155
Standard, 1000 NTU Turbidity, 1 L (PN# 02-006)
Standard is an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable.
$170
Standard, 0.0 NTU Turbidity, 1 Gal (PN# 02-009)
Standard is an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable.
$194
Standard, 50 NTU Turbidity, 1 Gal (PN# 02-010)
Standard is an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable.
$419
Standard, 100 NTU Turbidity, 1 Gal (PN# 02-011)
Standard is an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable.
$419
Standard, 1000 NTU Turbidity, 1 Gal (PN# 02-012)
Standard is an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable.
$435
RELATED PRODUCTS
600326 Turb 430T Portable Turbidity Meter Kit (EPA)
Includes calibration kit (0.02 - 10 - 1000), 2 empty cuvettes, cleaning tissues, batteries (4 x AA), and field case with table insert.
$Call portable turbidity meters kit
Pro Plus Multiparameter Water Quality Meter
Handheld multiparameter water quality meter for field measurements.
$Varies
WQS Turbidity Sampling System
NOTE: Turbidity sensor is not included.
$Varies Turbidity Sampling System
WQ Water Quality Sensors $Varies
GL500 Turbidity Recorder
Multichannel recorder for sensor datalogging.  Includes Global Logger Software.  With weather proof enclosure and 12V battery.
$957 data logger optional battery and weather-resistant case
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