pH Controller 1/16 DIN Dual Display With High/Low relay outputs Features: • Microprocessor for reliable, accurate measurement and control of pH from 0 to 14.00pH • High and low set point adjustments on front panel for two independent 3A SPDT relays for ON/OFF controls, or to activate alarms, valves pumps or other equipment • Front panel LEDs indicate HIGH/LOW alarm status • Bright dual displays of pH (red LEDs) and temperature (green LEDs) • Compact 1/16 DIN size saves panel space — one quarter the space of a 1/4 DIN controller • Automatic Temperature Compensation (ATC) provid ed using electrode assemblies with Pt-100 ohm sensors (see Self-Cleaning pH Electrode Kits) • EEPROM memory protects settings in case of power loss Shown with NEMA-4X Cover • Rear screw terminals for power, 2 sets of relays, Pt-100 ohm temperature input, and BNC connector for pH input. Includes panel mounting brackets • Optional NEMA-4X gasketed lens cover fits over front bezel of controller — made of watertight corrosion resistant ABS plastic Specifications Ranges Dual Relay Outputs Temperature compensation Resolution (Accuracy) Deadband Panel Cutout (1/16 DIN) Weight Power 0 to 14.00 pH and 0 to 100°C 3 Amp at 115 VAC Automatic 0-100°C via Pt 100Ω for pH 0.01pH (0.01pH): 0.1°C (0.1°C) 0.00 to 2.55 pH adjustable 1.77x1.77" (45x45mm) Depth 4.7” (94mm) 5 oz. (142g) 80 to 250VAC, 50/60Hz Ordering Information: 48PH ............pH Controller, 1/16 DIN 404216 ........NEMA-4X Lens Cover, 1/16 DIN pH Electrodes: Cable Length Submersible In Line/Bypass ATC pH Kit 10’ 67S10A ($238) 67B10A ($324) ATC pH Kit 25’ 67S25A ($265) 67B25A ($350) www.extech.com Specifications subject to change without notice. 10/29/08 - R1 Copyright © 2007-2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.