PRO-series pH/ORP Transmitter PRO-P3/1001
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D A T A S H E E T PRO-series pH/ORP Transmitter (Model PRO-P3 measures pH or ORP) Multiple Measurements The PRO-P3 transmitter can be selected to measure pH or ORP (oxidation reduction potential). Measured pH and temperature values can be displayed separately or together. The corresponding 4-20 mA analog output can also be shown. Versatile Hookup Capability PRO-series transmitters can be wired in a two, three, or four-wire hookup arrangement to meet your application requirement. Compact Size and NEMA 4X Universal Mounting Versatile Sensor Capability The compact PRO-series transmitter can be panel, wall, pipe, or integral sensor mounted. The PRO-P3 transmitter can be used with any GLI Differential Technique pH or ORP sensor, or any conventional combination pH or ORP electrode. Electromagnetic Conformance Auto/Manual Temperature Compensation All PRO-series transmitters exceed U.S. and meet European standards for EMI and RFI emissions and immunity. Automatic temperature compensation is provided when using NTC 300 ohm thermistor, Pt 1000 RTD, or Pt 100 RTD temperature elements. For applications requiring fixed temperature compensation, the PRO-P3 can be manually set to a desired temperature. Multiple Language Capability All screens can be selected for display in English or Spanish. Different languages such as French or German may also be substituted. Simple Interactive Diagnostics “Menu-guided” Operation Built-in diagnostics continuously test transmitter and sensor operation. The simple keypad and logical menu structure make this transmitter easy to use. Menu screens guide you through setup, operation, calibration, and test/maintenance functions. OEM Versions Available Passcode-protected Access PRO-series transmitters can be packaged or configured to accommodate OEM-specific needs. For security, use the passcode feature to restrict configuration and calibration settings to only authorized personnel. Isolated 4-20 mA Output The isolated 4-20 mA analog output can represent the measured pH or temperature (or ORP). During calibration, the analog output is automatically held at the last measured value and, upon completion, returned to its active state. Certified Compliant to European Community Standards

Specifications Operational Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Two-line by 16 character backlit LCD NOTE: The measured pH (or ORP) and temperature can be displayed separately or together on one screen. Both analog output values are shown together on one screen. Measurement Selectable Ranges pH . . . . . . . . . . . . . . . . . . . . . . .-2.0 to 14.0 pH or -2.00 to 14.00 pH ORP . . . . . . . . . . . . . . . . . . . . . .-2100 to 2100 mV Temperature . . . . . . . . . . . . . . . .-4.0 to 392.0˚ F or -20.0 to 200.0˚ C Analog Outputs (1 and 2) . . . . ....

Ordering Information Model Number (see Notes 1 and 3) PRO-P3A pH/ORP transmitter with wall/pipe/integral sensor mount kit (see Note 2) PRO-P3B pH/ORP transmitter with panel mount kit (includes gasket, retainer plate, and four screws) PRO-P3C Basic pH/ORP transmitter (without mounting hardware – electronics only) Reserved Category Equipment Tagging (specify tag data) N None P Paper S Stainless steel 1 Ordering Notes: 1. The standard on-screen languages for PRO-series transmitter operation are English and Spanish. A different language (French, German, etc.) may be substituted for Spanish....

Mounting Configurations PANEL MOUNT WALL MOUNT INTEGRAL SENSOR MOUNT (COUPLING AND SENSOR APPEAR DIFFERENTLY FOR EACH MEASUREMENT TYPE) HORIZONTAL PIPE MOUNT VERTICAL PIPE MOUNT GLI pHD™ Differential pH and ORP Sensors For complete details and specifications, refer to Data Sheet G109. A Hach Company Brand Hach Worldwide Headquarters E-mail: orders@hach.com Lit. No. G107 (Supercedes PR0-P3/1001) • G33 Printed in U.S.A. • eHach Company, 2003. All rights reserved. In the interest of improving and updating its equipment, Hach Company reserves the right to alter specifications