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Relay Protection Tester Double Clamp Volt Ampere Meter for CT PT Testing¹

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Product Description Product DescriptionThe SMG2000B Dual-Clamp Digital Phase Volt-Ammeter is a multifunctional instrument designed for on-site testing,characterized by high precision,high stability,low power consumption,and ease of use.It can directly measure AC voltage and AC current without opening the tested circuit,determine the phase between two voltages,two currents,and voltage-current,and indirectly measure power factor and power of the circuit.Additionally,it can identify three-phase sequence,transformer connection group,inductive and capacitive circuits,test secondary circuits and differential protection systems,read phase relationships between various CT groups in differential protection,check the correct wiring of electricity meters,and inspect line equipment.The instrument features an extra-large LCD display with 40mm high characters and backlight,ensuring clear visibility.It is suitable for applications in electric power,petrochemical,metallurgy,railway,meteorology,industrial and mining enterprises,scientific research institutions,and metrology departments.Detailed PhotosTechnical ParametersImpact QuantitiesReference ConditionsOperating ConditionsRemarksAmbient Temperature23oC±1oC-10oC~40oC Ambient Humidity40%~60%<80% Signal WaveformSine WaveSine Waveβ=0.05Signal Frequency50HZ±1HZ45H~65HZ Instrument Operating Voltage9V±0.1V9V±1V Measured Phase Current Amplitude1A±0.1A10m~20.0A Measured Phase Voltage Amplitude100V±10V30V~600V External Electric and Magnetic FieldsShould be avoidedPosition of Measured ConductorMeasured conductor positioned at approximate geometric center of the clamp jawsFunctionPhase, AC Current, AC Voltage, AC Leakage Current, Direct Sequence Testing; Transformer Grouping, Inductive, Capacitive Circuit Discrimination; Power Factor, Power Indirect TestingPower SupplyDC 9V Alkaline Battery (1.5V AA × 6)Power ConsumptionWith backlight on: Max. approx. 35mA, continuous operation of battery approx. 40 hours Without backlight: Approx. 5mA, continuous operation of battery approx. 300 hoursDisplay ModeLCD display with blue backlight, suitable for dim environmentsLCD Size70mm×62mm LCD Display Area64mm×54mmInstrument SizeLength Width Thickness:196mm×92mm×54mmJaw Sizeφ7.5mm×13mm Sampling RateApproximately 3times/secondRangeAC Voltage:0~20V/200V/600V AC Current:0~200mA/2A/20A Phase:0~360°Measured Signal Amplitude RangeFor measuring U1-U2 phase:30V~600V For measuring I1-I2 phase:10mA~20.00A For measuring U1-I2 or I1-U2 phase:10V~600V,10mA~20.00AData HoldPress HOLD key during measurement to hold data, indicated by "DH" symbolAuto Power OffAutomatically powers off approximately 15 minutes after powering on to conserve batteryVoltage DetectionWhen battery voltage is below 7.2V, low battery symbol is displayed to remind battery replacementInstrument WeightMain unit approx. 550g (with battery), clamp meter approx. 170g × 2, test line approx. 250gTest Line Length1.5mCurrent Clamp Line Length2mOperating Temp./Humidity-10oC~40oC;below 80%RhStorage Temp./Humidity-10oC~60oC;below 70%RhInput ImpedanceInput impedance for voltage measurement: 2MΩ each range For U1U2 phase measurement: 40kΩ impedance between voltage inputsWithstand VoltageEndures 2000V/50Hz sinusoidal AC voltage between instrument cover and battery cover screws for 1 minuteInsulationBetween instrument circuit and shell, and between two voltage input terminals: ≥10MΩStructureDouble insulationProduct DimensionCompany ProfileSimilar RecommendationFAQQ1:Is your company a sales or a manufacturer? We are an integrated trade and manufacturing company with our own factory. Q2:If we need to customize our own brand or if there are special requirements for the built-in software of the machine, can it be customized?Yes, we accept OEM/ODM/OBM and can customize the built-in software of the product according to the customer's special requirements.Q3:What is the usual lead time? How long can we receive the order after placing it?In normal circumstances, products in stock can be received within 5 to 7 days via the fastest international express. Other situations may vary depending on the quantity of products ordered, whether there are special customization requirements, and the delivery time chosen.Q4:How can we ensure that the product will not be damaged during transportation, considering the large size of the product?We have professional internal and external packaging to ensure the safety and stability of the products during transportation. For fragile or other special parts, we will include an extra set to ensure that the customer can use the product immediately upon receipt.Q5:How do you handle after-sales service? What if there is a quality problem with the product or if the customer does not know how to operate it? For quality issues that are not caused by human error, we provide a one-year warranty from the time the product is delivered, and lifetime technical support. Other after-sales issues will be addressed by our professional technical staff within 24 hours. The product comes with a user manual and an operation video.

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