Prepares the sample for the analysis of
component substances with analyzers (50 pages)
Summary of Contents for wtw CR 2020
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User's Manual Thermo-reactor CR 2020 Instrument consists of CR 2020 / G: Reactor + Power card + Time switch CR 2020 / A: Reactor + Connecting cable BA41102/07.93/Pla/CR2020-1...
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- Opening of the instrument-, adjustment, maintenance, repair and exchange of parts should only be carried out only by authorized personnel or by WTW. - The instrument no longer confirms to the safety regulations and a dangerous operation can be assumed when the instrument...
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Operating safety Observe the analysis instructions of the manufacturer Only use suitable reaction vials and beakers Wear protecting clothes Use safety precaution (e.g. hood) Never cool down vials with cold liquids: Broken glass ! BA41102/07.93/Pla/CR2020-1...
Contents list Important safety hints for the user ........1 Operating elements............4 Front view ................4 Rear view.................5 Operation ................6 Putting into operation the CR 2020 ........6 Operation with degestion beakers........8 Maintenance ..............10 Series connection of serveral CR2010/CR2020....11 Technical specifications ..........12 BA41102/07.93/Pla/CR2020-1...
Putting into operation CR 2020 mains connection: Plug time switch into a socket Connect basic instrument with power card to time switch Switching on Master switch illuminates BA41102/07.93/Pla/CR2020-1...
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Time switch to position Ι Ι (Continuous operation) Master switch of instrument illuminates Heating indication continuously After reaching of the rated temperature (approx. 15 min): Heating indication is flashing The CR 2020 reached the temperature and is ready for operation BA41102/07.93/Pla/CR2020-1...
Operation Operation with digestion beakers - Insert digestion beakers - Possibly put on condenser - Use safety precautions (e.g. hood) BA41102/07.93/Pla/CR2020-1...
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Operation ¹ ¹ Time switch to position Adjust reaction time (refer to analysis instructions) master switch illuminates Await reaction time, heater switches off automatically Master switch extinguishes BA41102/07.93/Pla/CR2020-1...
Operation Maintenance - No maintenance required! - In case of fuse failure: Disconnect instrument! - Replace melt fuses by equivalent fuses! Data: refer to "Technical specifications" or. nameplate at the rear side of the instrument. Take out fuse device at the rear side Take out fuse Insert new fuse...
Series connection Series connection of several CR 2020 / CR 2010 - Connect basic instrument with power card to time switch - Connect further instruments to basic instrument by connection cable For putting into operation and operation refer to chapter "Operation"...
Technical specifications Reactor type Dry reactor Dimensions/Weight Length 190 mm Width 130 mm Height 100 mm Weight approx. 2.5 kg Equipped with 3 holes for digestion beakers 22.5 mm Outer diameter Block temperature 100°C ± 2°C Over temperature 170°C ± 5°C cut-out Heat-up time from 25°C to 100°C approx.
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(see test certificates) Class A (FCC) Disturbance: EN 50082-2 Namur-recommandation Power supply Type CR 2020 - 230 V Mains 230 V/AC (-15 % .. +6 %) 50 .. 60 Hz Charging rate max 1,0 A per unit Arrangement up to 10 instruments...
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Technical specifications Test certificate: Electromagnetic compatibility EMV BA41102/07.93/Pla/CR2020-1...