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WQ720 TURBIDITY SENSOR & WQ770-b TURBIDITY METER
Submersible Water Quality Sensor & Meter
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FEATURES:
- Simple and convenient to use
- Marine grade cable with strain relief
- Rugged anodized aluminum sensor housing
- Removable light and debris shield
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To Order Call 1-800-876-1172
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Turbidity Sensor Product Description
WQ720 Turbidity Sensor
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WQ770-b Turbidity Meter
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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, however in applications where
constant monitoring is needed, Global Water recommends that the turbidity sensor should not be
kept submerged for more than one month at a time.
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' standard (optional to 500')
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
ORDER NOW
WQ720 Turbidity Sensor (PN# DFH000)
25 foot standard cable length.
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$1,032 |
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WQ770-b Turbidity Meter (PN# DG0200)
Includes turbidity sensor on 25 foot standard cable length.
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$1,339 |
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WQEXC Extra Cable
Over included cable length, up to 500 foot.
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$2/foot |
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| 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.
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$2,021.30 |
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TC-3000e Portable Chlorine Meter
Measure Chlorine, Turbidity, and Color in one meter.
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$1,255 |
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U-50 Multiparameter Water Quality Analyzer
Measures up to eleven different parameters.
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$2,980 |
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WQS-STD Turbidity Sampling System
NOTE: Turbidity sensor is not included.
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$2,862 |
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Global Water's other water quality sensors.
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GL500 Wind Speed Recorder
Wind Speed recorder for sensor datalogging. Includes Global Logger Software. With weather proof enclosure and 12V battery.
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$846
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