Related Manuals for Global Water WQ730
Summary of Contents for Global Water WQ730
- Page 1 Global Water 800-876-1172 • globalw.com Global Water Instrumentation, Inc. 11390 Amalgam Way Gold River, CA 95670 T: 800-876-1172 Int’l: (916) 638-3429, F: (916) 638-3270 Turbidity Sensor: WQ730 02-002 11/30/09 - 1 -...
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Page 2: Table Of Contents
Global Water 800-876-1172 • globalw.com Congratulations on your purchase of the Global Water WQ730 Turbidity Sensor. This instrument has been quality tested and approved for providing accurate and reliable turbidity measurements. We are confident that you will find this product to be a valuable asset for your application. - Page 3 Opening the sensor will void any warrantee. h. The stainless steel body of the WQ730 Sensor is connected to the circuit ground. When taking measurements, the body of the sensor must be in contact with the test solution or noise problems may occur.
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Page 4: Sensor Specifications
Global Water 800-876-1172 • globalw.com Sensor Specifications a. Specifications. Outputs: Two, 4-20mA Ranges: 0-50 NTU (Green Wire) 0-1000 NTU (White Wire) Accuracy: 1% of full scale Pressure: 30 psi maximum Power Requirements: 10-36 VDC 20ma plus sum of both 4-20mA outputs... -
Page 5: Troubleshooting
Clean and decontaminate the WQ730 when necessary. Include a written statement describing the problems. Send the package with shipping prepaid to Global Water’s factory address. Insure the shipment, as the warranty does not cover damage incurred during transit. -
Page 6: Warranty
Global Water’s obligations under this warranty are limited to, at Global Water’s option: (I) replacing or (II) repairing; any products determined to be defective. In no case shall Global Water’s liability exceed the products original purchase price. This warranty does not apply to any equipment that has been repaired or altered, except by Global Water Instrumentation, Inc., or which has been subject to misuse, negligence... -
Page 7: Appendix A: Turbidity Sensor Calibration
Global Water 800-876-1172 • globalw.com Appendix A: Turbidity Sensor Calibration Note: The following steps show how to calibrate the WQ730 Turbidity Sensor using suspended polymer turbidity standards only. General a. The Turbidity Sensor is measuring turbidity in liquids by using a 90 degrees scatter nephelometer where a focused beam is directed into the monitored water. - Page 8 The sensors should never be disassembled. The following process describes how to re-check these output currents. A full recalibration can only be done by returning the sensor to Global Water. - 8 -...
- Page 9 Global Water 800-876-1172 • globalw.com Checking Calibration Step 1) Connect the sensor to the power supply and current meter in the following way. Attach the black wire to the ground terminal of the power supply. Attach the white wire to the positive current input of the meter.
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Page 10: Appendix B: Turbidity Standard Solutions
Step 11) Remove the sensor and rinse in distilled water. Dry the sensor. Appendix B: Turbidity Standard Solutions The following turbidity standards are available from Global Water, contact the Sales Department or Technical Support for more information. These are EPA approved primary standards that are safe, non-toxic and disposable. -
Page 11: Appendix C: Sensor Measurement Diagram
Global Water 800-876-1172 • globalw.com Appendix C: Sensor Measurement Diagram - 11 -... -
Page 12: Ce Certification
Batteries Directive: 2006/66/EC; Requirements regarding the proper handling and disposal of batteries and accumulators. Global Water hereby certifies that the product stated above conforms to all directives and standards required for it to bear the CE mark. Dale Daniel Engineering Manager Global Water Instrumentation, Inc.