Shanghai Total Industrial Co., Ltd.

Dc Power Supply, Power Supply, Switching Power Supply manufacturer / supplier in China, offering DC Power Supply, Optical Fiber and Power Cable Hanger, Optical and Power Cable Clamps, Optical Fiber & Power Cable Hanger, Optical and Power Cable Clamps and so on.

DC Power Supply

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 5000PCS/Per Year
Transport Package: Carton
Payment Terms: L/C, T/T, Paypal, Western Union

Basic Info.

Model NO.:SR1730SL/SR3701S/SR3335TD/SSR1732A/SR3305/SR1731SL
Usage:Industry
Power Supply Voltage:1.5-36V
Brand:Showrange
Trademark:ShowRange
Origin:Shanghai
HS Code:9025800000

Product Description

SR1730SL1A, SR1730SL2A, SR1730SL3A, SR1730SL5A
Product Information
SUMMARIZE:
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 can
Be 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 5V3A
Output current: 0-1A/2A/3A/5A.
Frequency: 50Hz +/- 2Hz
Usage area: Scientific research, educational institutions, factory and electronics, electrical equipment repairs, ets.
DIMENSIONS AND WEIGHT:
Model: SR1730SL1A-5A
Qty: 4 PCS
Package: Dimension: 425x385x595mm
Display: 1× LED
G. W.: 24/26/29/32kgs

SR1731SL1A, SR1731SL2A, SR1731SL3A, SR1731SL5A
Product Information
SUMMARIZE:
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 can
Be 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 5V3A
Output current: 0-1A/2A/3A/5A.
Frequency: 50Hz +/- 2Hz
Usage area: Scientific research, educational institutions, factory and electronics, electrical equipment repairs, ets.
DIMENSIONS AND WEIGHT:
Model: SR1731SL1A-5A
Qty: 2 PCS
Package: Dimension: 455x360x480mm
Display: 4× LED
G. W.: 27/29.5/31.5/31kgs
Features Range
Model   SR 3701S
Output Voltage Ch1, Ch2 0~24V
Ch3 5V
Output Current Ch1, Ch2 0~1A
Ch3 2A
Overload Effect CV ≤ 1 x 10 -4  +2mV, CC ≤ 2mA
Ripple & Noise CV ≤ 1mVrms, CC ≤ 1mArms
Regulation CV^...........20mV (Typical value), CC^...........50mV (Typical Value)
Mutual effect CV^...........5 x 10 -5  +1mV, CC^..........<0.5mA
Tracking Error 5 x 10 -3  +2mV
Indication method Digital display, and display the voltage and current value
Feature Voltage, current automatic conversion, the current limit protection
Ch3  Output voltage: 5V, Output  Current: 0~2A, Ripple and noise: <3mV.
Reliability MTBF (e):  ≥2000 hours
Other Features Triple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current Operation
Features Range
Model   SR 3702S
Output Voltage Ch1, Ch2 0~32V
Output Current Ch1, Ch2 0~3A
Overload Effect CV ≤ 1 x 10 -4  +2mV, CC ≤ 2mA
Ripple & Noise CV ≤ 1mVrms, CC ≤ 1mArms
Regulation CV^...........20mV (Typical value), CC^...........50mV (Typical Value)
Mutual effect CV^...........5 x 10 -5  +1mV, CC^..........<0.5mA
Tracking Error 5 x 10 -3  +2mV
Indication method Digital display, and display the voltage and current value
Feature Voltage, current automatic conversion, the current limit protection
Ch3  Output voltage: 5V, Output  Current: 0~2A, Ripple and noise: <3mV.
Reliability MTBF (e):  ≥2000 hours
Other Features Triple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current Operation
Features Range
Model   SR 3703S
Output Voltage Ch1, Ch2 0~32V
Ch3 5V
Output Current Ch1, Ch2 0~2A
Ch3 2A
Overload Effect CV ≤ 1 x 10 -4  +2mV, CC ≤ 2mA
Ripple & Noise CV ≤ 1mVrms, CC ≤ 1mArms
Regulation CV^...........20mV (Typical value), CC^...........50mV (Typical Value)
Mutual effect CV^...........5 x 10 -5  +1mV, CC^..........<0.5mA
Tracking Error 5 x 10 -3  +2mV
Indication method Digital display, and display the voltage and current value
Feature Voltage, current automatic conversion, the current limit protection
Ch3  Output voltage: 5V, Output  Current: 0~2A, Ripple and noise: <3mV.
Reliability MTBF (e):  ≥2000 hours
Other Features Triple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current Operation
Features Range
Model   SR 3704S
Output Voltage Ch1, Ch2 0~32V
Ch3 5V
Output Current Ch1, Ch2 0~3A
Ch3 2A
Overload Effect CV ≤ 1 x 10 -4  +2mV, CC ≤ 2mA
Ripple & Noise CV ≤ 1mVrms, CC ≤ 1mArms
Regulation CV^...........20mV (Typical value), CC^...........50mV (Typical Value)
Mutual effect CV^...........5 x 10 -5  +1mV, CC^..........<0.5mA
Tracking Error 5 x 10 -3  +2mV
Indication method Digital display, and display the voltage and current value
Feature Voltage, current automatic conversion, the current limit protection
Ch3  Output voltage: 5V, Output  Current: 0~2A, Ripple and noise: <3mV.
Reliability MTBF (e):  ≥2000 hours
Other Features Triple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current Operation
Features Range
Model   SR 3705S
Output Voltage Ch1, Ch2 0~32V
Output Current Ch1, Ch2 0~5A
Overload Effect CV ≤ 1 x 10 -4  +2mV, CC ≤ 2mA
Ripple & Noise CV ≤ 1mVrms, CC ≤ 1mArms
Regulation CV^...........20mV (Typical value), CC^...........50mV (Typical Value)
Mutual effect CV^...........5 x 10 -5  +1mV, CC^..........<0.5mA
Tracking Error 5 x 10 -3  +2mV
Indication method Digital display, and display the voltage and current value
Feature Voltage, current automatic conversion, the current limit protection
Ch3  Output voltage: 5V, Output  Current: 0~2A, Ripple and noise: <3mV.
Reliability MTBF (e):  ≥2000 hours
Other Features Triple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current Operation
Features Range
Model   SR 3335TD
Output Voltage Ch1, Ch2 0~32V
Ch3 5V
Output Current Ch1, Ch2 0~5A
Ch3 2A
Overload Effect CV ≤ 1 x 10 -4  +2mV, CC ≤ 2mA
Ripple & Noise CV ≤ 1mVrms, CC ≤ 1mArms
Regulation CV^...........20mV (Typical value), CC^...........50mV (Typical Value)
Mutual effect CV^...........5 x 10 -5  +1mV, CC^..........<0.5mA
Tracking Error 5 x 10 -3  +2mV
Indication method Digital display, and display the voltage and current value
Feature Voltage, current automatic conversion, the current limit protection
Ch3  Output voltage: 5V, Output  Current: 0~2A, Ripple and noise: <3mV.
Reliability MTBF (e):  ≥2000 hours
Other Features Triple Output, Series or Parallel Operation, Current Limitation, Auto Switching Between Voltage and Current Operation
Model SR1732A 2A SR1732A 5A
  Master Slave Fix Mater Slave Fix
Output voltage 0~30V 5V 0~30V 5V
Output current 0~2A 2A 0~5A 5A
Load effect
CV 5 x 10 -4  + 2mV 5 x 10 -4  + 2mV
CC 20mA 20mA
Source effect
CV 1  x 10 -4  + 0.5mV 1  x 10 -4  + 0.5mV
CC 1  x 10 -3  +5mV 1  x 10 -3  + 5mV
Ripple and noise
CV 1mVrms 1mVrms
CC 1mArms 1mArms
Display accuracy ± 1% + 2 word ± 1% + 2 word
Work temperature 0 °C ~40 °C
MTBF Reliability ≥2000h
Power voltage AC 220V ± 10%, 50Hz ± 5%
Item\ Model SR3303 SR3305
Output Channel CH1 CH2 CH3 CH1 CH2 CH3
Voltage 0~30V 0~30V 2.5/3.5/5.0V 0~30V 0~30V 2.5/3.5/5.0V
Current 0~3A 0~3A 3A (fixed) 0~5A 0~5A 3A (fixed)
Fix
voltage
mode
Fluctuation Ratio Voltage fluctuation ratio ≤ 0.01% +3mV
Load 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/°C
Output range 0~setting voltage Continuously adjustable
Fix
current
mode
Fluctuation ratio Current fluctuation ratio ≤0.2% + 3mA
Load variation rate ≤0.2% + 3mA
Ripple current ≤3mArms
Output range 0~setting current Continuously adjustable
Trace
mode
Parallel Collection Power Supply fluctuation ratio ≤0.01% + 3mV
Load variation rate ≤0.01% + 3mV (rated current ≤3A)
≤0.02% + 5mV (rated current >3A)
Series Connection Power Supply fluctuation ratio ≤0.01% + 5mV
Load variation rate ≤300mV
tracking 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%+/-50mV
Panel
Meter
Display Voltage: 2 3/4, 0.4" LED Voltage: 2 3/4 , 0.4" LED
Current: 3 3/4, 0.4" LED Current: 2 3/4 , 0.4" LED
Resolution ratio Voltage:10mV Voltage: 10mV
Current:10mA Current: 10mA
Programming precision
(25 +/-5°C)
Voltage:  +/-(0.03% reading + 10digits) Voltage: +/-(0.5% reading + 2digits)
Current: +/-(0.3% reading + 10digits) Current: +/-( 0.5% reading + 2digits)
Reading precision
(25 +/-5°C)
Voltage: +/-(0.03% reading + 10digits) Voltage: +/-(0.5% reading + 2digits)
Current: +/-(0.3% reading + 10digits) Current: +/-( 0.5% reading + 2digits)
CH3 Output voltage (2.5V/3.3V/5V)+/-8%
Output current  3A 5A
fluctuation ratio
(25  +/-5°C) 
Voltage change rate≤0.01% + 3mV Voltage change rate≤0.01% + 3mV
Load variation rate≤0.01% + 3mV Load variation rate≤0.01% + 3mV
Ripple & noise ≤2mVrms (5Hz~1MHz) ≤1mVrms (5Hz~1MHz)
Key lock Yes
Save/Recall 5 groups
Power voltage AC 100V/120V/220V/230V+/-10%, 50/60Hz
Size& weight 250(W) *150(H)* 310(D) mm; 7kg
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Shanghai Total Industrial Co., Ltd.

- Shanghai, China
- Manufacturer/Factory

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