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Summary of Contents for JUMO tecLine Series
- Page 1 JUMO tecLine H and PAA Sensors for hydrogen peroxide (H and peracetic acid (PAA) Type 202636 Operating Manual 20263600T90Z001K000 V3.00/EN/00585747...
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Page 3: Table Of Contents
Contents Contents Introduction ........... . 6 Safety information . - Page 4 Contents 5.3.1 Terminal assignment ............27 Combination fitting temperature probe .
- Page 5 Contents 9.2.1 Testing the leak-tightness of the membrane cap ........53 9.2.2 Electronics test .
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Page 6: Introduction
Introduction 1 Introduction Safety information 1.1.1 General Information This manual contains information that must be observed in the interest of your own safety and to avoid material damage. This information is supported by symbols which are used in this manual as indicated. Please read this manual before starting up the device. -
Page 7: Description
Description 2 Description Areas of application These membrane-covered amperometric sensors are used to measure the concentration of hydrogen peroxide or peracetic acid in aqueous solutions. Typical areas of application are galvanizing plants, the pharmaceutical field, the food and beverage in- dustry, dairies and the chemical industry. -
Page 8: Suitable Indicators/Transmitters/Controllers
PROFIBUS-DP, (output signal 4 to 20 mA) RS422/485, data logger using optional boards JUMO AQUIS touch S/P Modular multichannel measuring devices All types 202636 for liquid analysis with integrated controller and paperless recorder, USB host, USB de-... -
Page 9: Sensor Details
2 Description Sensor details Types 202636/55-81, /60-81 and /60-85 Types 202636/75 and /80 (4 to 20 mA version) (Modbus RTU version) (13) (12) (14) (11) (10) Membrane holder (stainless steel) Membrane Membrane cap G-bracket Measuring electrode Electrode finger (reference electrode) Opening for pressure compensation O-ring Electrode shaft with integrated electronics... - Page 10 2 Description Types 202636/55-45, -60, -70 and -75 Types 202636/60-60, -70 and -80 (4 to 20 mA) (14) (13) (12) (11) (10) Valve opening Membrane holder (stainless steel) Membrane Membrane cap Transparent cover (hose rings) Measuring electrode Electrode finger (reference electrode) O-ring Counter electrode (stainless steel) (10)
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Page 11: Important Information For Use
2 Description Important information for use 2.6.1 Notes for all types NOTICE Unsuitable measurement media may produce incorrect measurement results. Using the sensors to measure contaminated media (dirt particles, foreign objects, fibers, etc.) may lead to incorrect measurement results. In order to ensure error-free measurements, the measurement media must be visibly clean. A pre- filter must also be used, as required. - Page 12 2 Description NOTICE Irritating substances may produce incorrect measurement results. Using the sensors to measure media containing surfactants may lead to incorrect measurement results. In order to ensure error-free measurements, the measurement media must not contain surfactants (surface-active substances e.g. from detergents, cleaning agents or disinfectants). NOTICE Harmful substances may lead to incorrect measurement results and cause damage to the mem- brane caps.
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Page 13: Identifying The Device Version
Identifying the device version 3 Identifying the device version Nameplate Position The nameplate is glued to the top of the sensor. JUMO GmbH & Co. KG JUMO tecLine H2O2 Fulda, Germany www.jumo.net Sensor für Wasserstoffperoxid Typ: 202636/60-81 Messbereich: 0...2% (20000 mg/l) F-Nr.: 00000000 00 0 1841 0005... -
Page 14: Order Details
3 Identifying the device version Order details Basic type 202636 JUMO tecLine H2O2 + PAA Sensors for hydrogen peroxide and peracetic acid Basic type extension Sensor for peracetic acid, output signal 4 to 20 mA Sensor for hydrogen peroxide, output signal 4 to 20 mA... -
Page 15: Accessories
10 m connecting cable, 5-pin M12 connector, A-coded on the ferrules 00638341 Suitable transmitters/controllers Designation Part no. JUMO AQUIS 500 AS , type 202568/20-888-888-888-310-310-23/000 00528718 (for further versions, please refer to data sheet 202568) JUMO AQUIS 500 RS , type 202569/20-654-888-888-310-310-23/000... - Page 16 3 Identifying the device version Spare part sets and electrolytes Sensor Measuring range Part no. Spare parts set Part no. electrolyte (membrane cap, fine abrasive paper) (100 ml) 202636/55-45 0 to 200 mg/l 00409344 00440821 202636/55-60 0 to 500 mg/l 00409344 00440821 202636/55-70...
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Page 17: Mounting
Mounting 4 Mounting Important information NOTICE An unsuitable measuring environment may produce incorrect measurement results. Using the sensors without the use of suitable flow fittings will lead to incorrect measurement results. In order to ensure error-free measurements, the sensors must be installed in suitable flow fittings, see chapter 4.2 "Combination fitting (type 202811/10)", page 19 or chapter 4.3 "Flow fitting for mem- brane-covered sensors (type 202811/30)", page 22. - Page 18 4 Mounting NOTICE Impurities may produce incorrect measurement results. Using the sensors to measure media containing oxidants, reducing agents or corrosion protection agents may lead to incorrect measurement results. Oxidizing agents, reducing agents, corrosion inhibitors, and substances which result in cross sensi- tivities with the sensors (see information in chapter 10 "Technical data", page 55) must be avoided in the measurement medium.
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Page 19: Combination Fitting (Type 202811/10)
4 Mounting Combination fitting (type 202811/10) 4.2.1 Mounting the combination fitting The combination fitting can be mounted on a wall or an installation panel with the mounting holes (1) using two commercially available M5 cylinder head screws (dia. 5.5 mm, countersink according to DIN 974-1: dia. -
Page 20: Installing The Sensor
4 Mounting (12) Sealing screw G 1/4 (opening for optional mini ball valve for sampling) (13) Indicator for sensor immersion depth (14) Temperature probe (15) Hose connection for measuring water inflow, connection to fitting G 1/4, for hose 6 × 8 (inner dia. 6 mm, outer dia. 8 mm) optionally 4.2.2 Installing the sensor... - Page 21 4 Mounting Installation NOTICE Leaks due to incorrect installation Pollutants on the thread of the union nut (4), the pressure ring (7), the stepped collar (8), the O-ring (9), or a hardened O-ring can cause the fitting to leak when the sensor (5) is installed. ...
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Page 22: Flow Fitting For Membrane-Covered Sensors (Type 202811/30)
4 Mounting Flow fitting for membrane-covered sensors (type 202811/30) 4.3.1 Mounting the fitting The flow fitting can be mounted to a wall or an installation panel using an optional mounting bracket (part no.: 00455706). Sensor Mounting bracket (optional) Connection G 1/4, for hose Ø 8 mm × 6 mm Fitting Removable measuring vessel (inspection glass) -
Page 23: Installing The Sensor
4 Mounting 4.3.2 Installing the sensor Overview (10) Sensor Inspection glass Union nut G 1/4 A or DN 10 supply lead Fitting housing 1-inch stepped collar G 1/4 A or DN 10 outlet lead Pressure ring O-ring (10) O-ring Component of the flow fitting Installation NOTICE Incorrect installation may cause leaks. -
Page 24: Flow Monitor For Disinfection Measurands (Type 202811/20)
4 Mounting Flow monitor for disinfection measurands (type 202811/20) 4.4.1 Mounting the flow monitor The flow monitor can be mounted to a wall or an installation panel using the PP-40 pipe clip (2) included in the scope of delivery. Ø 13.5 39.5 Hose connection for measuring water outflow, connection G 1/4, for hose 6 ×... -
Page 25: Electrical Connection
Electrical connection 5 Electrical connection Sensors with an output signal of 4 to 20 mA (types 202636/55 and /60) 5.1.1 General requirements • Cable diameter of approx. 4 mm • Conductor cross section of 2 x 0.25 mm • Lay the signal lines isolated from cables with a voltage of > 60 V •... - Page 26 5 Electrical connection NOTE! Screws protected by locking varnish must not be adjusted. Any damage to the locking varnish will result in the loss of the manufacturer's guarantee.
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Page 27: Sensors With A Digital Interface Output Signal (Types 202636/75 And /80)
5.2.1 General requirements • Use connecting cable PN 00638333 (1.5 m) or PN 00638337 (5 m) or PN 00638341 (10 m) for con- necting to JUMO AQUIS 500 RS or JUMO AQUIS touch S/P 5.2.2 Terminal assignment Function Pin on M12 flange connector... -
Page 28: Example Of A Measuring Section With The Sensor Type 202636/55
Flow monitoring If the flow monitor (4) signals that the sensor (3) inflow is too low, the input to the JUMO AQUIS 500 AS (5) is switched to binary - the device transitions to "Hold" status and an alarm is output. -
Page 29: Startup
Startup 6 Startup Important notes for screwing the membrane cap on and off (1) Sensor shaft (4) (5) (6) (2) O-ring (3) Electrode finger (4) Membrane cap (5) Membrane holder (6) Membrane Example: type 202636/55 NOTICE Damage to the membrane due to unscrewing the membrane holder. Unscrewing the membrane holder destroys the membrane! ... -
Page 30: Initial Filling And Installation Of The Membrane Cap
6 Startup Initial filling and installation of the membrane cap 6.2.1 Types with valve opening in the membrane cap (202636/55-45, -60, -70, -75 and 202636/60-60, -70, -80) NOTE! The service life of the reference electrolyte is around 3 to 6 months. (1) Sensor shaft (2) Electrode finger (3) Valve opening... - Page 31 6 Startup Lift up the filled membrane cap and observe it from above against a light background (transmitted light). If air pockets are detected in the membrane area: Apply the "tapping procedure", as described below in point 5. If no air pockets are detected in the membrane area: continue to pro- ceed as described in point 6.
- Page 32 6 Startup NOTICE Damage to the membrane due to mechanical influences When the sensor is ready to take a measurement (membrane cap fully screwed on), the distance be- tween the electrode finger and the membrane is extremely small. Pushing the tip against the sensor can damage the membrane.
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Page 33: Types With An Internal Pressure Compensation System
6 Startup 6.2.2 Types with an internal pressure compensation system (202636/55-81, /60-81, /60- 85, /75 and /80) NOTE! The service life of the reference electrolyte is around 3 to 6 months. Sensor shaft O-ring 20 × 1.5 Opening for pressure compen- sation Electrode finger Membrane cap... - Page 34 6 Startup Use the tweezers included in the scope of delivery to pick up the G- bracket moistened with electrolyte. Use the tweezers to insert and lower the G-bracket into the center of the filled membrane cap until it is incorporated into the recess in the middle of the membrane cap and sits there tightly.
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Page 35: Minimum Inflow
6 Startup Minimum inflow NOTE! The flow rate from the measurement medium must be at least 15 cm/s in order for the sensor to work correctly. The minimum flow rate in the combination fitting or the flow fitting is 30 l/h. Values measured by the sensors below the minimum inflow speed are too low. -
Page 36: Maintenance
Maintenance 7 Maintenance Replacing the electrolyte 7.1.1 Types with valve opening in the membrane cap (202636/55-45, -60, -70, -75 and 202636/60-60, -70, -80) The electrolyte should be replaced every three to six months and after calibration performed due to instable measuring values or a value that is too low. (1) Sensor shaft (2) Electrode finger (3) Valve opening... - Page 37 7 Maintenance Use the special abrasive paper included in the scope of delivery to clean just the tip of the dry electrode finger (=measuring electrode). Hold the soft base with the special abrasive paper in place and, while holding the sensor at a slight angle, run the tip of the electrode over the abrasive paper.
- Page 38 7 Maintenance Ensure that the membrane cap is screwed on over the sealing O-ring and tightly against the sensor shaft (no gap between the membrane cap and sensor shaft, see figure on the right). Rinse off any electrolyte on the exterior with water. Also push the second valve cover into the groove above the first valve cover.
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Page 39: Types With An Internal Pressure Compensation System
7 Maintenance 7.1.2 Types with an internal pressure compensation system (202636/55-81, /60-81, /60- 85, /75 and /80) The electrolyte should be replaced every three to six months and after calibration performed due to instable measuring values or a value that is too low. Sensor shaft O-ring 20 ×... - Page 40 7 Maintenance Place the membrane cap on a clean surface and remove the G-brack- et from the recess in the center using the tweezers included in the scope of delivery. Discard the used up electrolyte from the G-bracket and membrane cap.
- Page 41 7 Maintenance Holding the electrode shaft vertically, fit it into the filled membrane cap with the inserted G-bracket. Then slowly screw the electrode shaft into the membrane cap in a clockwise direction (by hand) in a vertical po- sition. Make sure that the red O-ring 20 × 1.5 is fitted perfectly (membrane cap sealed).
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Page 42: Replacing The Membrane Cap
7 Maintenance Replacing the membrane cap 7.2.1 Types with valve opening in the membrane cap (202636/55-45, -60, -70, -75 and 202636/60-60, -70, -80) The membrane cap should be renewed under the following conditions: • regularly after one year of operation •... - Page 43 7 Maintenance Remove the membrane cap and lift the upper of the two transparent valve covers with a small screwdriver or similar and push it down out of the groove. Fill the membrane cap up to the brim with bubble-free electrolyte (contained in the scope of delivery of the sensor).
- Page 44 7 Maintenance Ensure that the membrane cap is screwed on over the sealing O-ring and tightly against the sensor shaft (no gap between the membrane cap and sensor shaft, see figure on the right). Rinse off any electrolyte on the exterior with water. Also push the second valve cover into the groove above the first valve cover.
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Page 45: Types With An Internal Pressure Compensation System
7 Maintenance 7.2.2 Types with an internal pressure compensation system (202636/55-81, /60-81, /60- 85, /75 and /80) The membrane cap should be renewed under the following conditions: • regularly after one year of operation • if the measured values are still too low or instable after a prior calibration Sensor shaft O-ring 20 ×... - Page 46 7 Maintenance Place the G-bracket on a clean, non-absorbent surface and moisten with electrolyte. Use the tweezers included in the scope of delivery to pick up the G- bracket moistened with electrolyte. Use the tweezers to insert and lower the G-bracket into the center of the filled membrane cap until it is incorporated into the recess in the middle of the membrane cap and sits there tightly.
- Page 47 7 Maintenance NOTE! In order for the sensor to function correctly, the membrane must be fully and tightly screwed onto the sensor. NOTE! The settling phase can last up to a day for a new membrane cap! If the sensor still provides measured values that are too low or instable after the membrane cap replacement, the manufacturer must perform a check/overhaul.
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Page 48: Storage
7 Maintenance Storage NOTE! Membrane caps which have been in operation for longer than a day cannot be stored and used again. 7.3.1 Types with valve opening in the membrane cap (202636/55-45, -60, -70, -75 and 202636/60-60, -70, -80) NOTICE Damage to the membrane due to overpressure or underpressure The membrane is extremely sensitive. -
Page 49: Consumable Material
7 Maintenance Restarting after storage 1. Unscrew the membrane cap, which has only loosely been screwed on for storage, from the sensor shaft. 2. Use the special abrasive paper provided to clean the tip of the electrode finger. 3. Fill the new membrane cap with electrolyte, insert the new G-bracket and screw the membrane cap onto the sensor shaft. -
Page 50: Calibration
3. Calibrate the indicator on the basis of the reference value; refer to the operating manual for the trans- mitter/controller used. Checking the determined slope Many transmitters/controllers (e.g. the JUMO AQUIS 500 AS) have a "calibration logbook". This logbook is used to record the relevant data during every calibration. NOTE! If the value for the nominal slope is under 30%, the membrane cap and the electrolyte must be replaced and the electrode tip must be cleaned;... -
Page 51: Overcoming Errors And Malfunctions
Overcoming errors and malfunctions 9 Overcoming errors and malfunctions General troubleshooting Error/fault Possible cause Remedy Preventative measures Output signal of the sensor Incorrect calibration Repeat calibration accord- Calibrate the sensor more fre- is too low or too high ing to the titration method; quently, if required refer to chapter 8.2 "Calibrating... - Page 52 9 Overcoming errors and malfunctions Error/fault Possible cause Remedy Preventative measures Sensor displays unusually The membrane is par- Replace the membrane cap Take measures to improve the sluggish response behavior tially blocked by pollut- quality of the water ants such as calcium or oil.
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Page 53: Specific Troubleshooting On The Sensor
9 Overcoming errors and malfunctions Specific troubleshooting on the sensor If the electrode finger has a bright silvery or white appearance, the sensor must be reconditioned by the manufacturer. Brown-gray colors are normal. 9.2.1 Testing the leak-tightness of the membrane cap 1. -
Page 54: Measurement Signal Test
9 Overcoming errors and malfunctions 7. The sensor signal should be around the zero point. – If the sensor signal tends towards zero, the zero point is very likely to be okay. – If the measured value deviates significantly from zero, maintenance must be carried out on the sen- sor (refer to chapter 7 "Maintenance", page 36) and the "zero point test"... -
Page 55: Technical Data
Settling time Approx 1 h for initial startup Inflow speed Approx. 15 cm/s (entspricht to a flow of approx. 30 l/h when installed in the JUMO flow fitting (part no.: 00392611)) Measuring ranges 0.5 to 200 mg/l (ppm) 0.5 to 200 mg/l (ppm) -
Page 56: Sensors For Hydrogen Peroxide (H 2 O 2 )
Settling time Approx 3 h for initial startup Inflow speed Approx. 15 cm/s (entspricht to a flow of approx. 30 l/h when installed in the JUMO flow fitting (part no.: 00392611)) Measuring ranges 5 to 500 mg/l (ppm) 50 to 20000 mg/l (ppm) - Page 57 10 Technical data Sensor type 202636/60 202636/80 (output signal 4 to 20 mA) (digital interface output signal) Resolution 0.1 mg/l with measuring range 500 mg/l 10 mg/l with measuring range 20000 mg/l 1 mg/l with measuring range 2000 mg/l 100 mg/l with measuring range 10 mg/l with measuring range 10000/ 200000 mg/l 20000 mg/l...
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Page 58: Annex
Annex 11 Annex 11.1 Suitable titration methods For the determination of the reference value during the calibration of the sensors, we recommend the procedure described below for titration. – For determination of hydrogen peroxide (H ), only the 1st titration stage has to be performed. –... - Page 59 11 Annex Calculation for hydrogen peroxide (H Measuring ranges Measuring ranges Measuring ranges up to 200 ppm >200 up to 2,000 ppm >2,000 up to 20,000 ppm A × 6.8 = Concentration in ppm A × 68 = Concentration in ppm A ×...
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Page 60: China Rohs
China RoHS 12 China RoHS... - Page 64 JUMO GmbH & Co. KG JUMO Instrument Co. Ltd. JUMO Process Control, Inc. Street address: JUMO House 6733 Myers Road Moritz-Juchheim-Straße 1 Temple Bank, Riverway East Syracuse, NY 13057, USA 36039 Fulda, Germany Harlow, Essex, CM20 2DY, UK Delivery address:...
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