‡ SIGNET 2820 Series Conductivity Sensor Instruction ManualENGLISH1. Wiring2. Recommended Position3. 2819/2820/2821 In-line InstallationSAFETY INSTRUCTIONS FOR IN-LINE ELECTRODE INSTALLATION 1.Do not remove from pressurized lines.2.Do not exceed maximum temperature/pressure specifications.3.Wear safety goggles or face shield during installation/service.4.Do not alter product construction.Failure to follow safety instructions may result in severe personal injury!Customer supplied pipe tee/reducerStandardfitting kit Hole up Mark holeposition3/4 in. NPTHand tighten only!Optional fitting kit Hole up Mark hole positionCustomer supplied pipe tee/reducer1/2 in. NPTHand tighten only!O-ringO-ringSealantSealant+GF + SIGNET 5800CR•Use three conductor shielded cable for cable extensions up to 30 m (100 ft max.• Shield must be maintained through cable spliceREDWHITE BLACK SILVER (SHLDS h l dS i g n a l I NT e m p . I NI s o . G n dCH 2CH 1RED SILVER (SHLDBLACKSILVER (SHLDBLACKCNOTx GND RxCH2S2 T2S1 T1 SGCNOR+R-RLY3RLY4SERIAL ANL2CH11 2 3 4 5 6 7 8 9 10 11 12 13 14WHITE RED WHITE+GF + SIGNET 9050CRIn-line 2821-1Use caution to avoid air bubble or sediment trapping inside the electrode cavity. SubmersibleOR(J-2/03 English3-2820.090-14. 2822 In-line Installation5. 2823 In-Line InstallationCustomer supplied pipe tee/reducer Sealant1-1/4 turns past finger tightHole upMark hole positionInstall behind hole ONLY!Customer supplied pipe tee/reducer3/4 in. NPTSealant121-1/4 turns past finger tight3/4 in. NPT Customer supplied coupling Customer supplied pipe SealantSealant6. 2819/2820/2821 Submersible Installation7. 2822 Submersible Installation2Standard fitting kitOptional fitting kit3/4 in. NPT1/2 in. NPT1Customer supplied pipe Customer supplied couplingHand tighten only!Standard fitting kitOptional fitting kitO-ring SealantSealantOptional submersion fitting kit #3-2820.390121-1/4 turns past finger tight3/4 in. NPT Customer supplied pipe Customer supplied coupling SealantSealant8. 2823 Submersible InstallationFill with 3 to 4 in. of sealantAttach 3/4 in. watertight pipe to the top of the sensor. Secure the threaded connection to prevent any leakage. For additional defense against possible accumulation of condensation at the back seal area of the sensor, fill the lower 3-4 inches (75-100 mm of conduit or extension pipe with a flexible sealant such as silicone.2819-1/2820-1/2821-1•2819-1 cell:0.012819-1 range:0.010 to 100 µS (10 kΩ to 100 MΩ•2820-1 cell:0.12820-1 range: 1 to 1000 µS•2821-1 cell: 1.02821-1 range:10 to 10,000 µS Temperature compensation:PT1000Wetted materials:•O-rings:EPR•Insulator material:PTFE•Electrodes:316 stainless steelStandard fitting:Polypropylene•Max. pressure: 6.9 b ar (100 psi•Max. temperature:100 °C (212 °FOptional fitting:316 stainless steel (1/2 in. NPT•Max. pressure:13.8 bar (200 psi•Max. temperature:120 °C (248 °FQuality Standard:CE 6 in./152 mm4.2 in./107 mm2 in./50 mm0.8 in./21 mm3/4 in. NPT15 ft/4.6 m cable (std. Reversiblefitting assy.for submersion mounting0.5 in./13 mm2821-1sensor tip2820-1sensor tip0.3 in./8 mm2819-S1/2820-S1/2821-S1/2819-T1/2820-T1/2821-T1•2819-X1 cell:0.012819-X1 range:0.010 to 100 µS (10 kΩ to 100 MΩ•2820-X1 cell:0.12820-X1 range: 1 to 1000 µS•2821-X1 cell: 1.02821-X1 range:10 to 10,000 µSSanitary fitting size: 1 and 11/2 in.Temperature compensation:PT1000Wetted materials:•O-rings:EPR•Insulator material:PTFE•Electrodes:316 stainless steel or titanium Sanitary fitting:316 stainless steel or titaniumMax. pressure: 6.9 bar (100 psiMax. temperature:120 °C (248 °FQuality Standard:CE2819-S2/2820-S2/2821-S2/2819-T2/2820-T2/2821-T2•2819-X2 cell:0.012819-X2 range:0.010 to 100 µS (10 kΩ to 100 MΩ•2820-X2 cell:0.12820-X2 range: 1 to 1000 µS•2821-X2 cell: 1.02821-X2 range:10 to 10,000 µSSanitary fitting size: 2 in.Temperature compensation:PT1000Wetted materials:•O-rings:EPR•Insulator material:PTFE•Electrodes:316 stainless steel or titanium Sanitary fi tting:316 stainless steel or titaniumMax. pressure: 6.9 bar (100 psiMax. temperature:120 °C (248 °FQuality Standard:CE152 mm6.0 in./13 mm0.5 in./50 mm2.0 in./126 mm5.0 in./2820-X1sensor tip2821-X1sensor tip50 mm2.0 in./21 mm0.8 in./8 mm0.3 in./ 15 ft/4.6 m cable (std.64 mm2.5 in./152 mm6.0 in./13 mm0.5 in./126 mm5.0 in./2820-X2sensor tip2821-X2sensor tip50 mm2.0 in./21 mm0.8 in./8 mm0.3 in./ 15 ft/4.6 m cable (std.9. SpecificationsAlternate wetted materials and overall lengths are available through special order. Cable length extensions to 100 ft. (30 m are available through special order. For resistivity measurements above 10 MΩ and/or below 20°C, maximum cable length is 25 ft. (7.6 m.ASensor tip (side viewElectrodeBInsulatorCElectrodeCotton swab• Clean electrode • Clean metal body8-32Sensor tip (end viewDInsulatorSensor tip (side view10. MaintenanceAny coatings on electrodes will cause readings to drift or show poor response. Clean metallic surfaces with a mild detergent and a non-abrasive brush or cotton swab.2823-1 Sensor Tip Removal Procedure:11. AccessoriesPart No.Description3-2820.392Optional 1/2" 316 SS Fitting 3-2820.390Optional 3/4" 316 SS Fitting‡ SIGNETSignet Scientific Company, 3401 Aerojet Avenue, El Monte, CA 91731-2882 U.S.A. • Tel. (626 571-2770 • Fax (626 573-2057For Worldwide Sales and Service, visit our website: • Or call (in the U.S.: (800 854-4090GEORGE FISCHER ‡ Piping Systems 3-2820.090-1(J-2/03 English © Scientific Company 2003Printed in U.S.A. on recycledpaper2822-1Cell:10.0Range:100 to 200,000 µS Temperature compensation:PT1000Wetted materials:•O-rings:EPR •Insulator material:CPVC•Electrodes:316 stainless steel Standard fitting:316 stainless stee l Max. pressure: 6.9 bar (100 psiMax. temperature:95 °C (203 °FQuality Standard:CE2823-1Cell:20.0Range:200 to 400,000 µS Temperature compensation:PT1000Wetted materials:•O-rings:EPR •Insulator material:PTFE•Electrodes:316 stainless steel Fitting:316 stainless steel Max. pressure: 6.9 bar (100 psiMax. temperature:150 °C (302 °FQuality Standard:CE8.0 in./203 mm15 ft./4.6 m cable (standard3/4 in. NPTReversible fitting assy for submersion mounting 3.5 in./89 mm0.75 in.19 mm5.8 in./147 mm3.4 in./86 mm15 ft/4.6 m cable (std.Optional 316 SS submersion fitting kit #3-2820.3903/4 in. NPT19 mm0.75 in.3/4 in. NPT。