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 Conductivity Sensor Head WL200 01/09/07 P/N: 01-726 Rev.
Global Water 800-876-1172 • globalw.com Congratulations on your purchase of the Global Water WL200 Conductivity Sensor Head. This instrument has been quality tested and approved for providing accurate and reliable measurements. We are confident that you will find the WL200 to be a valuable asset for your application. Should you require assistance, our technical staff will be happy to help. Table of Contents I. Checklist • • • • • • • Page 3 II. Inspection • • • • • • 3 III.
Global Water 800-876-1172 • globalw.com I. WL200 Checklist a. WL200 Conductivity Sensor Head b. WL200 R-2 Controller c. WL200 Manual II. Inspection a. Your WL200 unit was carefully inspected and certified by our Quality Assurance Team before shipping. If any damage has occurred during shipping, please notify Global Water Instrumentation, Inc. and file a claim with the carrier involved. b. Use the checklist to ensure that you have received everything needed to operate the WL200.
Global Water 800-876-1172 • globalw.com III. Features a. Conductivity Switch 1. 2. 3. 4. 5. 6. Sensitivity-adjustable controller No moving parts Safe operation Controls up to two levels with controller 1” NPT fitting (bulkhead or flange-type fitting available.) One to three electrodes, depending upon tank material and number of functions required 7. Electrodes are 1/8” diameter, 316 Stainless Steel; all wetted material are food grade. 8.
Global Water 800-876-1172 • globalw.com IV.
Global Water 800-876-1172 • globalw.
Global Water 800-876-1172 • globalw.com V. Operation a. Conductivity Switch 1. Global Water’s WL200 conductivity switch has no moving parts, which allows it to be used in several different environments. These environments include semisolid liquids like food industry and industrial slurries or heavy-bodied liquids like wastewater. With no moving parts, switch operation of the WL200 is not interrupted. Only an extremely small amount of current is necessary for the unit to perform.
Global Water 800-876-1172 • globalw.com VI. Installation Warnings: Install controller according to applicable electrical codes. Unit must be installed using Global Water’s R2 Controller. Do not connect directly to line voltage. Not for use in hazardous (explosive) environments. Do not exceed pressure and temperature ratings. a. Conductivity Sensor Head / Conductivity Probes 1. 1 inch NPT (Standard) 2. Probes can be cut to length. Remove probes from sensor head by carefully unthreading them from inserts.
Global Water 800-876-1172 • globalw.com c. R2 Conductivity Configuration: 1. 2. 3. 4. 5. 120 VAC is connected between pins 2 and 7 Wire the Common Probe to pin 5 Wire the Lower Probe to pin 6 Wire the Upper Probe to pin 8 Pins 1–3 and 1–4 are isolated switch contacts to switch power to a valve or pump. Note: For single level control, connect probe to pin 8 and use pin 5 as the return d. Typical Controller Hookup to Switches: 1. Set switches “Normally Open.” 2.
Global Water 800-876-1172 • globalw.
Global Water 800-876-1172 • globalw.com VII. Maintenance a. The unit must be checked periodically. The suggested maintenance rate depends on the installation area. VIII. Trouble Shooting a. Call us for tech support: 800-876-1172 or 916-638-3429 (many problems can be solved over the phone). Fax: 916-638-3270 or Email: globalw@globalw.com. Be prepared to describe the problem you are experiencing including specific details of the application and installation and any additional pertinent information. b.
Global Water 800-876-1172 • globalw.com IX. Warranty a. Global Water Instrumentation, Inc. warrants that its products are free from defects in material and workmanship under normal use and service for a period of one year from date of shipment from factory. 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.
