Honeywell 70-82-25-18 - Manuals

Introduction 12/07 4905 Series Conductivity Cells – Installation and Maintenance 1 1. Introduction 1.1 Overview These cells form the sensing network for industrial analyzers and transmitters designed to make continuous measurements of electrolytic conductivity. The cells are primarily suited to meas...

Specifications 4 4905 Series Conductivity Cells – Installation and Maintenance 12/07 2.2 Specifications for 276127 Flow Chamber Parameter Description Maximum Flow 2 gpm @ 40psig and atmospheric discharge Maximum Pressure 200 psig @ 25°C Maximum Temperature 140°C (284°F) at atmospheric pressure Dimen...

Installation 12/07 4905 Series Conductivity Cells – Installation and Maintenance 5 3. Installation 3.1 Overview The conductivity cell is secured permanently to the 1” N.P.T. bushing which is used for all types of mountings. Although the physical appearance of the various cells is the same (except fo...

Installation 6 4905 Series Conductivity Cells – Installation and Maintenance 12/07 3.4 Flow-Type Mounting The cross-channel or guard-tube hole in the cell must always be covered by the solution and the solution level must be 1-1/2 inches above these holes. When mounting the cell in a pipe tee such a...

Installation 8 4905 Series Conductivity Cells – Installation and Maintenance 12/07 001 0.1 1 1050 X" Approx. 5.4" 5.4"5.4" 5.8" 6.9 mm 138 138138146175 0.940" (24mm) Dia 1.5" (38mm) Octagon 1" NPT 1.687" (42.8mm) Cell Cell cable is approx. 0.250”(6.4 mm) O.D. max ...

Electrical Connections 10 4905 Series Conductivity Cells – Installation and Maintenance 12/07 4. Electrical Connections 4.1 Overview The terminal board connections for the various Honeywell measuring instruments are given in the appropriate Figures in this section. To avoid the possibility of AC pic...

Electrical Connections 12/07 4905 Series Conductivity Cells – Installation and Maintenance 11 Direct Cell to Analyzer Installation Cell to Analyzer through Junction Box NOTES: 1. FOR PURE WATER SAMPLES IN NON-CONDUCTIVE (PLASTIC, GLASS, ETC) PIPING, GROUND THE BLACK CELL ELECTRODE LEAD NEAR THE CELL...

Electrical Connections 12 4905 Series Conductivity Cells – Installation and Maintenance 12/07 4.2.2 Model 4905 Series with Integral Cable to APT Series Analyzer/Transmitter 04905 series cells with leads connected to an APT4000 04905 series cells with leads connected to an APT2000 Figure 4-3 Model 49...

Electrical Connections 12/07 4905 Series Conductivity Cells – Installation and Maintenance 13 4.3 Instrument Wiring for 4905 Cells with Quick Disconnect Cable 4.3.1 Wiring Model 4905 with Quick Disconnect Cable to UDA2182 Figure 4-4 Wiring Diagram for 4905 Cells with Quick Disconnect Cable Connected...

Maintenance 12/07 4905 Series Conductivity Cells – Installation and Maintenance 15 5. Maintenance 5.1 Introduction If abnormal readings occur, this may indicate poor response because the cell is not filled with process solution. Check the cell installation. Note that a grayish dull surface on the ce...

Maintenance 16 4905 Series Conductivity Cells – Installation and Maintenance 12/07 5.4 Platinizing the Cell Electrodes Only the electrodes having constants 10 and 50 must be replatinized if the velvety-black deposit has been rubbed off the electrodes in service or in cleaning or if platinized electr...

Replacement Parts and Accessories 12/07 4905 Series Conductivity Cells – Installation and Maintenance 17 6. Replacement Parts and Accessories Description Part Number Flow Cell Housing, PES 276127 Junction Box 31316260 Legacy updates cap 50028816-001 Extension Cables for Sensors with Quick Disconnect...

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