Advanced Cba-III Circuit Breaker Timer with Resistance Testing Features¹

Product Description CBA-III Circuit Breaker Timer Dynamic Resistance Meter Contact Resistance TesterProduct DescriptionCBA-III Circuit Breaker Timer Dynamic Resistance Meter Contact Resistance Tester is used for testing, analyzing and assessing power system circuit breakers, mechanical characteristics of load switches and isolated switches and other AC high voltage switches, contact resistance, Arcing contacts and vibration characteristics etc.CBA-III covers all testing items of high voltage circuit breaks. Product ParametersNo.Item NameCBA-III Circuit Breaker Timer Dynamic Resistance Meter Contact Resistance Tester112 channels for time measurement3-channel support both the time contact and resistance contact time6-channel isolated contacts for cascaded unit measurement of pole2Time measurementRange: 4000ms;  Error :< 0.1ms; Resolution: 0.01ms3Travel measurement according to sensorLinear resistance sensor:Measurement range: 0~250mm; resolution: 0.01mm; error: <0.5mmMeasurement range: 0~25mm; resolution: 0.01mm; error: <0.05mmAngle resistance sensor:Measurement range: 0~360°; resolution: 0.01°; error: <0.5°4Pre-insertion resistance measurementRange: 50~5000ohm; error :<1%RDG+2D5Dynamic resistance measurementTest current: 25~100A, Measurement error :< 1%RDG+2D6Contact resistance measurementRange:0--10mohm, Error <0.5%RDG+0.05%FSRange: 0-2mohm, Error: <0.5%RDG+2D7Speed measurement250mm linear resistance scale: 0~20m/s; error: <0.5%RDG+2D25mm linear resistance scale: 0~20m/s; error: <0.5%RDG+2DAngle sensor: 0~20m/s; error: <0.5%RDG+2DAcceleration sensor: 0~20m/s; error: <5%RDG+2D8Coil current measurementRange: 0~20A; resolution: 0.001A; error: <0.01A9Vibration measurementRange: 0~5000G; error: <3%10Internal DC power sourcevoltage: 12~265V; current:0~20A11Data transactionBuilt-in 8G storage memory and 2 USB interface for data export12Power supplyAC220V±10%; 50Hz±10%13Working environment-10~50°C; Humidity: <80% Test ParametersClosing time, opening time, CO time (close-open time) and OC time (Opening-Closing time), time spread between poles, time spread between units of one pole, bounces etc.Closing speed, opening speed and average speed.Clearance between open contacts, over travel, overshoot travel and total travel.Vibration test, including vibration fingerprint curve acquisition, management, and vibration fingerprint curve automatic matching.CO-t1-CO,O-t-CO-t1-CO,CO rated operating sequence verification test.Pre-insertion resistance value and pre-insertion ion time.Graphite contact closing time, opening time, dynamic resistance curveContact resistanceClosing coil current time curve, opening coil current time curve and the maximum coil currentTravel time curve, speed time curve and acceleration time curveDynamic resistance time curve and length for arcing contactsDrawing Envelopes for reference travel curve and compare travel curve with envelopesMechanical travel curve automatic compare with saved travel curve Detailed PhotosSoftware introduction:CBA-III is an automatic and multi-functional circuit breaker tester for all parameters of all kinds of circuit breaker testing.Following is an example of the parameters setting.Closing Test Parameters Setting including:Selection and setting of test voltageSelections of travel sensorTotal travel settingsA1/B1/C1 contact typeSubstation IDCircuit breaker IDReference circuit breaker informationAutomatic Evaluation Settings Accessories and Packing:CBA-III used at site:

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