48PH EXTECH | Alldatasheet
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Specifications subject to change without notice. Copyright © 2007-2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in pa rt in any form.www.extech.com 10/29/08 - R1 Dual Display With High/Low relay outputs pH Controller 1/16 DIN Ordering Information: pH Electrodes: Cable Length Submersible In Line/Bypass ATC pH Kit 10’ 67S10A ($238) 67B10A ($324) ATC pH Kit 25’ 67S25A ($265) 67B25A ($350) 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
- 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 Shown with NEMA-4X Cover Specifications Ranges 0 to 14.00 pH and 0 to 100°C Dual Relay Outputs 3 Amp at 115 VAC Temperature compensation Automatic 0-100°C via Pt 100Ω for pH Resolution (Accuracy) 0.01pH (0.01pH): 0.1°C (0.1°C) Deadband 0.00 to 2.55 pH adjustable Panel Cutout (1/16 DIN) 1.77x1.77" (45x45mm) Depth 4.7” (94mm) Weight 5 oz. (142g) Power 80 to 250VAC, 50/60Hz