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MODEL PHTX-11

pH Two Wire Transmitter

TM

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omega.com

User’s Guide

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Summary of Contents for PHTX-11

Page 1: ...e mail info omega com For latest product manuals www omegamanual info MODEL PHTX 11 pH Two Wire Transmitter TM Shop online at omega com User sGuide...

Page 2: ...pecifications without notice omega com info omega com Servicing North America U S A Omega Engineering Inc Headquarters Toll Free 1 800 826 6342 USA Canada only Customer Service 1 800 622 2378 USA Cana...

Page 3: ...n Table II 9 10 1 2 2 2 3 4 CALIBRATION 1 Calibration interval 5 2 Equipment required 5 3 Calibration procedure TECHNICAL INFORMATION 1 Controls 2 Operation PART IV OPERATION INSTRUCTION INSTALLATION...

Page 4: ...ms Ez ii 2onlA 12 to 80 VDC 1013 ohm 4 to MODEL PHTX 11 SPECIFICATIONS Spans Input Impedance Output Current Power Supply Load Resistor Linearity Temperature Coefficient Accuracy Repeatability Output m...

Page 5: ...can change the range of output signal by utilizing jumpers on one of the circuit boards and adjusting the zero and span pots The 4 to 20mA output can be for the full 0 to 14 pH level is constantly di...

Page 6: ...lculate the required power supply voltage from the following equation Minimum power supply voltage phillips head screws supplied The input probe connector is a BNC jack mounted on the input circuit bo...

Page 7: ...ected to this pair of pads Jumper mA output current level for the desired pH level it is used in conjunction with the range switch The Zero pot affects the output current only There is interaction bet...

Page 8: ...from the millivolt source or a pH 2OmA Remove the cover from the range switch and turn all switches Off l Input adjustments should not be made while the output is in an over current condition ie grea...

Page 9: ...n terminals Refer to Table I for the correct resistor and millivolt values Adjust the Zero for 4 h ZERO adjustments interact and require going back and forth between them Connect a millivolt source or...

Page 10: ..._ _ 7 i _ iI __ l I...

Page 11: ...4 9 118 3 124 2 128 2 136 2 144 1 74 0 3 9 108 4 72 0 5 68 0 9 64 1 2 62 13 59 15 54 1 9 0 0 8 74 0 3 72 0 5 68 0 9 64 12 59 15 62 13 54 19 i48 1 6 144 1 136 2 2 12a 124 2 i18 3 108 4 333 5 ___ L 204...

Page 12: ...1 v b...

Page 13: ...l O t 7 DIA HOLE EL CUT OUT TABLE II PAN...

Page 14: ...A if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to m...

Page 15: ...s M U Turbine Paddlewheel Systems M U Totalizers Batch Controllers pH CONDUCTIVITY M U pH Electrodes Testers Accessories M U Benchtop Laboratory Meters M U Controllers Calibrators Simulators Pumps M U...

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