Certificate Of Conformity Iecex Ptb 10.0034

Transcript

Certificate of Conformity IECEx PTB 10.0034 Schedule NWT 50C The resistive slot thermometer, type NWT 50C is used to measure the temperature in the windings of high voltage motors. The carrier body made of Polyimide resin is provided with a recess where the thin-film measuring resistance is installed. The connecting cable and the connecting wires of the film resistance are soldered to copper terminal faces located on this retaining frame. This assembly is covered with shrink tube. Its length overlaps the carrier body and encloses a part of the connecting cable. Subsequently, everything is casted with silicone rubber. The connecting line can be designed as 2-, 3- or 4-wire circuitry. Damage of cable and insulation during the installation shall be prevented. The connection line (connecting cable) shall be provided with a strain relief. Sharp bending (buckling) as well as punctiform mechanical stress to the sensor shall be prevented. The cable terminals shall be permanently connected to appropriate terminal clamps. The thermometers shall be included in the recurring tests of the motors. The assignment to the temperature classes is specified in the examination certificate of the respective type of machine. Electrical values Operating voltage Measuring current Max. Power Nominal resistance Type of circuitry Electric strength Self-heating Ui ≤ 60 V 0.8 mA ... 2 mA 10 mW 100 Ω ... 1000 Ω at 0°C 2-, 3- and 4-wire circuitry 5 kV ≤1K NWT 100C The resistive slot thermometer, type NWT 100C is used to measure the temperature in the windings of high voltage motors. The carrier body made of Ferrozell EGS 23 is provided with a recess where the thin-film measuring resistance is installed in center. The connecting cable and the connecting wires of the sensor are soldered to copper terminal faces located on this retaining frame. This assembly is covered by an upper housing corresponding to the base body. The voids are casted with silicone rubber. This internal sensor assembly is covered with shrink tube overlapping the connecting cable up to approximately 50 mm. The connecting line can be designed as 2-, 3- or 4-wire circuitry. Damage of cable and insulation during the installation shall be prevented. The connection line (connecting cable) shall be provided with a strain relief. Sharp bending (buckling) as well as punctiform mechanical stress to the sensor shall be prevented. The cable terminals shall be permanently connected to appropriate terminal clamps. The thermometers shall be included in the recurring tests of the motors. The assignment to the temperature classes is specified in the examination certificate of the respective type of machine. Electrical values Operating voltage Measuring current Max. Power Nominal resistance Type of circuitry Ui ≤ 60 V 0.8 mA ... 2 mA 10 mW 100 Ω ... 1000 Ω at 0°C 2-, 3- and 4-wire circuitry 1/4 Certificate of Conformity IECEx PTB 10.0034 Electric strength Self-heating 5 kV ≤1K NWT 200C The resistive slot thermometer, type NWT 200C is used to measure the temperature in the windings of high voltage motors. The carrier body made of Ferrozell EGS 23 is provided with a recess where the thin-film measuring resistance is installed in center. The connecting cable and the connecting wires of the sensor are soldered to copper terminal faces located on this retaining frame. This assembly is covered with adhesive glass fiber tape. The voids are casted with silicone rubber. This internal sensor assembly is covered with shrink tube overlapping the connecting cable up to approximately 50 mm. The connecting line can be designed as 2-, 3- or 4-wire circuitry. Damage of cable and insulation during the installation shall be prevented. The connection line (connecting cable) shall be provided with a strain relief. Sharp bending (buckling) as well as punctiform mechanical stress to the sensor shall be prevented. The cable terminals shall be permanently connected to appropriate terminal clamps. The thermometers shall be included in the recurring tests of the motors. The assignment to the temperature classes is specified in the examination certificate of the respective type of machine. Electrical values Operating voltage Measuring current Max. Power Nominal resistance Type of circuitry Ui ≤ 60 V 0.8 mA ... 2 mA 10 mW 100 Ω ... 1000 Ω at 0°C 2-, 3- and 4-wire circuitry Electric strength Self-heating 5 kV ≤1K NWT 200G The resistive slot thermometer, type NWT 200G is used to measure the temperature in the windings of high voltage motors. The carrier body made of Ferrozell EGS 23 is provided with a recess where the wire-wound measuring resistor is installed. The connecting cable and the connecting wires of the sensor are soldered to copper terminal faces located on this retaining frame. This assembly is covered with adhesive glass fiber tape. The voids are casted with silicone rubber. This internal sensor assembly is covered with shrink tube overlapping the connecting cable up to approximately 50 mm. The connecting line can be designed as 2-, 3- or 4-wire circuitry. Damage of cable and insulation during the installation shall be prevented. The connection line (connecting cable) shall be provided with a strain relief. Sharp bending (buckling) as well as punctiform mechanical stress to the sensor shall be prevented. The cable terminals shall be permanently connected to appropriate terminal clamps. The thermometers shall be included in the recurring tests of the motors. The assignment to the temperature classes is specified in the examination certificate of the respective type of machine. Electrical values Operating voltage Measuring current Max. Power Nominal resistance Type of circuitry Ui ≤ 60 V 0.8 mA ... 2 mA 10 mW 100 Ω ... 120 Ω at 0°C 2-, 3- and 4-wire circuitry 2/4 Certificate of Conformity IECEx PTB 10.0034 Electric strength Self-heating 5 kV ≤1K PYRA 8G The resistive slot thermometer, type PYRA 8G is used to measure the temperature in the windings of high voltage motors. The glass-type measuring resistor is brazed to the connection strands. The void in front of the sensor is casted with silicone rubber. The connecting line is designed as 4-wire circuitry. Damage of cable and insulation during the installation shall be prevented. The connection line (connecting cable) shall be provided with a strain relief. Sharp bending (buckling) as well as punctiform mechanical stress to the sensor shall be prevented. The cable terminals shall be permanently connected to appropriate terminal clamps. The thermometers shall be included in the recurring tests of the motors. The assignment to the temperature classes is specified in the examination certificate of the respective type of machine. Electrical values Operating voltage Measuring current Max. Power Nominal resistance Type of circuitry Ui ≤ 60 V 0.8 mA ... 2 mA 10 mW 100 Ω at 0°C 4-wire circuitry Electric strength Self-heating 5 kV/50 Hz, 1 min., sensor in salt water ≤ 1 K (with max. power in static air) NWT PYRA8 K The resistance slot thermometer, type NWT Pyra8 K is used to measure the temperature in the windings of high voltage motors. The thin-film measuring resistor is connected to the strands by crimping. The hollow spaces in the ceramic pot are filled with thermomastic and the hollow space in front of the sensor is casted with silicone rubber. The connecting line is suitable for 2- or 3- or 4-wire connection. Care shall be taken that the cable and the insulation will not be damaged during the installation. The connecting line shall be layed out without tensile stress. Sharp bending as well as punktiform mechanical stress to the sensor shall be avoided. The cable terminal ends shall be connected non-detachably to suitable terminal clamps. The thermometers shall be included in the recurrent tests of the motor. The assignment to a temperature class is specified in the EC-type examination certificate of the respective type of motor. Electrical values Operating voltage Measuring current max.power Rated resistance Type of circuitry Electric strength Self-heating Ui ≤ 60 V 0.8 mA ... 2 mA 10 mW 100 Ω ... 1000 Ω with 0°C 2- & 3- & 4-wire connection 5 kV/50 Hz/1 min., sensor immersed in salt water ≤ 1 K (at max. power in non-circulating air) 3/4 Certificate of Conformity IECEx PTB 10.0034 WTH 160-250 The resistance thermometer, type WTH 160-250 is used to measure the temperature in the end shields or windings of high voltage motors or at other measuring points appropriate to determine the temperature of these assemblies. The thermometer can be srewed-in directly which also ensures equipotential bonding. The measuring resistor is connected to the shielded connecting line by a soldering joint. The measuring resistor is located in the sensor sleeve. The joint to the connecting line is completely embedded in casting compound. The sensor sleeve is compressed with an adaptor sleeve to form a strain relief. A spring made of stainless steel is fixed onto the adaptor sleeve as bend protection. Electrical data Operating voltage Measuring current Max.power Rated resistance Type of circuitry Electric strength Self-heating Range of operating temperature Ui ≤ 30 V max. 2 mA 10 mW 100 Ω/0 °C, 500 Ω/0 °C, 1000 Ω/0 °C 2- , 3- or 4-wire connection 1,0 kV/50 Hz, 1 min. ≤1K -55 °C ... 180 °C WTH 280-400 The resistance thermometer, type WTH 280-400 is used to measure the temperature in the end shields or windings of high voltage motors or at other measuring points appropriate to determine the temperature of these assemblies. The thermometer can be srewed-in directly which also ensures equipotential bonding. The measuring resistor is connected to the shielded connecting line by a soldering joint. The measuring resistor is located in the sensor sleeve. The joint to the connecting line is completely embedded in casting compound. The sensor sleeve is compressed with an adaptor sleeve to form a strain relief. A spring made of stainless steel is fixed onto the adaptor sleeve as bend protection. Electrical data Operating voltage Measuring current Max.power Rated resistance Type of circuitry Electric strength Self-heating Range of operating temperature Ui ≤ 30 V max. 2 mA 10 mW 100 Ω/0 °C, 500 Ω/0 °C, 1000 Ω/0 °C 2- , 3- or 4-wire connection 1,0 kV/50 Hz, 1 min. ≤1K -55 °C ... 180 °C 4/4