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WDP Series
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WDP/WPH Series pH/ORP Controllers
Walchem's pH/ORP on-line process controllers will improve your treatment performance. With a choice of two models, WDP (Dual pH/ORP) or WPH (Single pH/ORP), finding the optimum control for your application is a snap. Both the WDP and WPH are microprocessor-based with an easy-to-use menu format for programming. A versatile output configuration allows you to program up to four outputs in a variety of ways with just one controller. The WDP and WPH are available with either on/off mechanical relay outputs or direct pulse proportional control for metering pumps. Installation is as easy as unpacking the unit, mounting it and plugging it in. UL/CSA/CE certified.
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- pH/ORP measurement
- Probe Wash feature
- Calibration reminder
- Electrode evaluation after each calibration
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- Auto Buffer recognition
- NEMA 4X system
- Optional 4-20mA output(s)
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WEL pH/ORP Sensor
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System Compatibilty
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| WDP and WPH Series Controllers are a perfect match with Walchem's WEL pH/ORP electrodes - offering an extremely reliable differential measurement technique immune to any possible ground loop problems. Together they provide a true NEMA 4X system with no BNC connectors exposed to wet or corrosive conditions. Walchem's pH/ORP controllers and sensors are engineered to give you the most reliable measurement and control available. |
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- In-line or submersion mounting
- Hassle-free installation & electrode replacement
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- Resistant to electronic noise & ground loops
- Differential technology provides longer life
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Instruction Manual
Brochure |
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pH/ORP Preampifier
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What do you do when your favorite pH/ORP electrode isn't available with a built-in preamplifier, but you need to send the signal a few hundred feet? Hook up to this external preamp and you can go 1000 feet if necessary! Compatible with all of Walchem's controllers (but not the W-130/230 series monitors L ).
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NEMA 4X, epoxy coated, die-cast aluminum wall mount enclosure
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Boost signal for reliable transmission up to 1,000 ft via 22 awg wire
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No temperature simulation resistor required when used with Walchem controllers
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Brochure
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