Shanghai Total Industrial Co., Ltd.  

Product Name: DC Power Supply Model NO.: SR1730SL/SR3701S/SR3335TD/SSR1732A/SR3305/SR1731SL Brand: Showrange Power Supply Voltage: 1.5-36V Usage: Industry Trademark: ShowRange Transport Package: Carton Origin: Shanghai HS Code: 9025800000 Product Description SR1730SL1A, SR1730SL2A, SR1730SL3A, SR1730SL5AProduct InformationSUMMARIZE: The DC Power supply is automatic constant-voltage/constant-current transfer type of power supply with display meter(3-1/2 digits, liquid crystal display) or electrical point meter. Output constant voltage is adjusted 0-30V and output constant current is 5A, 0-1A/2A/3A/5A It is output type have one, two and two with fixed 5V3A. The output canBe connected in parallel or series to get multiple output currents or voltages. APPLICATION: Scientific research, educational institutions factory and electronics electrical equipment repairs etc. MAIN FUNCTION: 1. Output constant current adjustable. 2. Output constant voltage adjustable. 3. LED display. 4. Limited current protection. 5. Short circuit protection. CHARACTERISTIC: Input voltage: 220VAC +/- 10%Output voltage: 0-30VDC; Fix 5V3AOutput current: 0-1A/2A/3A/5A. Frequency: 50Hz +/- 2HzUsage area: Scientific research, educational institutions, factory and electronics, electrical equipment repairs, ets. DIMENSIONS AND WEIGHT: Model: SR1730SL1A-5AQty: 4 PCSPackage: Dimension: 425x385x595mmDisplay: 1× LEDG. W.: 24/26/29/32kgsSR1731SL1A, SR1731SL2A, SR1731SL3A, SR1731SL5AProduct InformationSUMMARIZE: The DC Power supply is automatic constant-voltage/constant-current transfer type of power supply with display meter(3-1/2 digits, liquid crystal display) or electrical point meter. Output constant voltage is adjusted 0-30V/60V and output constant current is 5A, 0-1A/2A/3A/5A It is output type have one, two and two with fixed 5V3A. The output canBe connected in parallel or series to get multiple output currents or voltages. APPLICATION: Scientific research, educational institutions factory and electronics electrical equipment repairs etc. MAIN FUNCTION: 1. Output constant current adjustable. 2. Output constant voltage adjustable. 3. LED display. 4. Limited current protection. 5. Short circuit protection. CHARACTERISTIC: Input voltage: 220VAC +/- 10%Output voltage: 0-30/60VDC; Fix 5V3AOutput current: 0-1A/2A/3A/5A. Frequency: 50Hz +/- 2HzUsage area: Scientific research, educational institutions, factory and electronics, electrical equipment repairs, ets. DIMENSIONS AND WEIGHT: Model: SR1731SL1A-5AQty: 2 PCSPackage: Dimension: 455x360x480mmDisplay: 4× LEDG. W.: 27/29.5/31.5/31kgsFeaturesRangeModelSR 3701SOutput VoltageCh1, Ch20~24VCh35VOutput CurrentCh1, Ch20~1ACh32AOverload EffectCV ≤ 1x10 -4 +2mV, CC≤2mARipple & NoiseCV ≤ 1mVrms,CC≤ 1mArmsRegulationCV^...........20mV (Typical value), CC^...........50mV (Typical Value)Mutual effectCV^...........5x10 -5 +1mV,CC^..........<0.5mATracking Error5 x 10 -3 +2mVIndication methodDigital display, and display the voltage and current valueFeatureVoltage, current automatic conversion, the current limit protectionCh3Output voltage:5V,Output Current:0~2A,Ripple and noise:<3mV.ReliabilityMTBF (e): ≥2000 hoursOther FeaturesTriple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current OperationFeaturesRangeModelSR 3702SOutput VoltageCh1, Ch20~32VOutput CurrentCh1, Ch20~3AOverload EffectCV ≤ 1x10 -4 +2mV, CC≤2mARipple & NoiseCV ≤ 1mVrms,CC≤ 1mArmsRegulationCV^...........20mV (Typical value), CC^...........50mV (Typical Value)Mutual effectCV^...........5x10 -5 +1mV,CC^..........<0.5mATracking Error5 x 10 -3 +2mVIndication methodDigital display, and display the voltage and current valueFeatureVoltage, current automatic conversion, the current limit protectionCh3Output voltage:5V,Output Current:0~2A,Ripple and noise:<3mV.ReliabilityMTBF (e): ≥2000 hoursOther FeaturesTriple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current OperationFeaturesRangeModelSR 3703SOutput VoltageCh1, Ch20~32VCh35VOutput CurrentCh1, Ch20~2ACh32AOverload EffectCV ≤ 1x10 -4 +2mV, CC≤2mARipple & NoiseCV ≤ 1mVrms,CC≤ 1mArmsRegulationCV^...........20mV (Typical value), CC^...........50mV (Typical Value)Mutual effectCV^...........5x10 -5 +1mV,CC^..........<0.5mATracking Error5 x 10 -3 +2mVIndication methodDigital display, and display the voltage and current valueFeatureVoltage, current automatic conversion, the current limit protectionCh3Output voltage:5V,Output Current:0~2A,Ripple and noise:<3mV.ReliabilityMTBF (e): ≥2000 hoursOther FeaturesTriple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current OperationFeaturesRangeModelSR 3704SOutput VoltageCh1, Ch20~32VCh35VOutput CurrentCh1, Ch20~3ACh32AOverload EffectCV ≤ 1x10 -4 +2mV, CC≤2mARipple & NoiseCV ≤ 1mVrms,CC≤ 1mArmsRegulationCV^...........20mV (Typical value), CC^...........50mV (Typical Value)Mutual effectCV^...........5x10 -5 +1mV,CC^..........<0.5mATracking Error5 x 10 -3 +2mVIndication methodDigital display, and display the voltage and current valueFeatureVoltage, current automatic conversion, the current limit protectionCh3Output voltage:5V,Output Current:0~2A,Ripple and noise:<3mV.ReliabilityMTBF (e): ≥2000 hoursOther FeaturesTriple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current OperationFeaturesRangeModelSR 3705SOutput VoltageCh1, Ch20~32VOutput CurrentCh1, Ch20~5AOverload EffectCV ≤ 1x10 -4 +2mV, CC≤2mARipple & NoiseCV ≤ 1mVrms,CC≤ 1mArmsRegulationCV^...........20mV (Typical value), CC^...........50mV (Typical Value)Mutual effectCV^...........5x10 -5 +1mV,CC^..........<0.5mATracking Error5 x 10 -3 +2mVIndication methodDigital display, and display the voltage and current valueFeatureVoltage, current automatic conversion, the current limit protectionCh3Output voltage:5V,Output Current:0~2A,Ripple and noise:<3mV.ReliabilityMTBF (e): ≥2000 hoursOther FeaturesTriple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current OperationFeaturesRangeModelSR 3335TDOutput VoltageCh1, Ch20~32VCh35VOutput CurrentCh1, Ch20~5ACh32AOverload EffectCV ≤ 1x10 -4 +2mV, CC≤2mARipple & NoiseCV ≤ 1mVrms,CC≤ 1mArmsRegulationCV^...........20mV (Typical value), CC^...........50mV (Typical Value)Mutual effectCV^...........5x10 -5 +1mV,CC^..........<0.5mATracking Error5 x 10 -3 +2mVIndication methodDigital display, and display the voltage and current valueFeatureVoltage, current automatic conversion, the current limit protectionCh3Output voltage:5V,Output Current:0~2A,Ripple and noise:<3mV.ReliabilityMTBF (e): ≥2000 hoursOther FeaturesTriple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current OperationModelSR1732A 2ASR1732A 5AMasterSlaveFixMaterSlaveFixOutput voltage0~30V5V0~30V5VOutput current0~2A2A0~5A5ALoad effectCV5 x 10 -4 + 2mV5 x 10 -4 + 2mVCC20mA20mASource effectCV1 x 10 -4 + 0.5mV1 x 10 -4 + 0.5mVCC1 x 10 -3 +5mV1 x 10 -3 + 5mVRipple and noiseCV1mVrms1mVrmsCC1mArms1mArmsDisplay accuracy± 1% + 2 word± 1% + 2 wordWork temperature0 °C ~40 °CMTBF Reliability≥2000hPower voltageAC 220V ± 10%, 50Hz ± 5%Item ModelSR3303SR3305OutputChannelCH1CH2CH3CH1CH2CH3Voltage0~30V0~30V2.5/3.5/5.0V0~30V0~30V2.5/3.5/5.0VCurrent0~3A0~3A3A (fixed)0~5A0~5A3A (fixed)FixvoltagemodeFluctuation RatioVoltage fluctuation ratio ≤ 0.01% +3mVLoad variation rate ≤0.01% + 3mV (rated current≤3A)≤0.02% + 5mV (rated current>3A)Ripple & noise≤1mVrms (5Hz~1MHz)Recovery time≤100IS (Load change in 50%, the minimum load 0.5A)Temperature Coefficient≤300ppm/°COutput range0~setting voltage Continuously adjustableFixcurrentmodeFluctuation ratioCurrent fluctuation ratio ≤0.2% + 3mALoad variation rate ≤0.2% + 3mARipple current≤3mArmsOutput range0~setting current Continuously adjustableTracemodeParallel CollectionPower Supply fluctuation ratio ≤0.01% + 3mVLoad variation rate ≤0.01% + 3mV (rated current ≤3A)≤0.02% + 5mV (rated current >3A)Series ConnectionPower Supply fluctuation ratio ≤0.01% + 5mVLoad variation rate ≤300mVtracking error ≤0.5%+/-10mV (10~30V no load, in case of load plus load variation)≤0.5%+/-30Mv (0~9.99Vno load, in case of load plus load variation)Tracking error≤0.5%+/-10mV≤0.5%+/-50mVPanelMeterDisplayVoltage: 2 3/4, 0.4" LEDVoltage: 2 3/4 , 0.4" LEDCurrent: 3 3/4, 0.4" LEDCurrent: 2 3/4 , 0.4" LEDResolution ratioVoltage:10mVVoltage: 10mVCurrent:10mACurrent: 10mAProgramming precision(25 +/-5°C)Voltage: +/-(0.03% reading + 10digits)Voltage: +/-(0.5% reading + 2digits)Current: +/-(0.3% reading + 10digits)Current: +/-( 0.5% reading + 2digits)Readingprecision(25 +/-5°C)Voltage: +/-(0.03% reading + 10digits)Voltage: +/-(0.5% reading + 2digits)Current: +/-(0.3% reading + 10digits)Current: +/-( 0.5% reading + 2digits)CH3Output voltage(2.5V/3.3V/5V)+/-8%Output current3A5Afluctuation ratio(25 +/-5°C)Voltage change rate≤0.01% + 3mVVoltage change rate≤0.01% + 3mVLoad variation rate≤0.01% + 3mVLoad variation rate≤0.01% + 3mVRipple & noise≤2mVrms (5Hz~1MHz)≤1mVrms (5Hz~1MHz)Key lockYesSave/Recall5 groupsPower voltageAC 100V/120V/220V/230V+/-10%, 50/60HzSize& weight250(W) *150(H)* 310(D) mm; 7kg