DC power supply Economical Type

SR3313TFL & SR3315TFL Regulated DC Power Supply

Detailed:

Has a master-slave tracking, constant voltage, constant current function, steady flow automatically converted, the state will not use any external damage.

Specification

Range

Model

SR3313TFL

SR3315TFL

Output Voltage

0~30V

0~30V

Output Current

0~3A

0~5A

Overload Effect

1x 10-4+2mV

Ripple & Noise

0.3mVrms

Regulation

CV: 20mV (Typical ), CC: 50mA (Typical )

Indication Method

LED display also shows the voltage and current values

Reliability

MTBF (e):  2000 hours

Feature

Current Limitation, Auto Switching Between Voltage and Current Operation.

General  Characteristics

Power 

Input Voltage: 110VAC / 220VAC; Frequency: 40Hz~60Hz

Product Color

White and Gray

Product Net Weight

2.8 Kg

Product Size (WHD) 

105mm 160mm 240mm

Standard Accessories

Power Cord

Standard Individual Packing

Gift Box, English Manual

Standard Quantity Per Carton

6 PCs 

Standard Carton Measurement (WHD)

530mm 315mm 485mm   (0.056 CBM Per Export Carton)

Standard Carton Gross Weight

20 Kg

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: 1LED
G.W.:24/26/29/32kgs 

DC power supply Industrial Type

SR3704S DC power supply

Features

Range

Model

SR3704S

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

GENERAL CHARACTERISTICS

Power 

220V 10%, 50Hz 4%

Working Environment

0C~+40C, -5C~+40C

Product Color

White and Gray

Product Net Weight

About 4 kg

Product Size

210*152*305mm

Standard Accessories

Test Lead, Power cord

Standard Individual Packing

Gift Box, English Manual

Standard Quantity Per Carton

2 pcs 

Standard Carton Measurement

600*380*245mm (0.056 CBM Per Export Carton)

Standard Carton Gross Weight

9.5 kg

SR3705S DC power supply

Features

Range

Model

SR3705S

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

GENERAL CHARACTERISTICS

Power 

220V 10%, 50Hz 4%

Working Environment

0C~+40C, -5C~+40C

Product Color

White and Gray

Product Net Weight

About 4 kg

Product Size

210*152*305mm

Standard Accessories

Test Lead, Power cord

Standard Individual Packing

Gift Box, English Manual

Standard Quantity Per Carton

2 pcs 

Standard Carton Measurement

600*380*245mm (0.056 CBM Per Export Carton)

Standard Carton Gross Weight

9.5 kg

SR1732A DC power supply

Features:

1. Three channels output, two adjustable, one fixed;

2. Four LED indicated two channels of output voltage and current value each;

3. Two adjustable output has constant voltage and currant and auto-switched;

4. Current-limit protection and the limit point can be adjustable optionally;

5. Two channels of output voltage can be in series or parallel arbitrarily, and track voltage and current (in parallel) with master power;

6. Overload and short circuit protection.

Specifications:

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 0C~40C
MTBF Reliability 2000h
Power voltage AC 220V 10%, 50Hz 5%

Mechanic characters

Dimension 160H*270W*320D (mm)
Weight About 8KGS About 9KGS

SR3300 series Programmable Linear DC Power Supply

Features:

Three groups of independent output: Two groups of 0-30V adjustable voltage value and a set of fixed voltage value 2.5V, 3.3V and 5V (optional).

Four groups of LED display: Minimum resolution 1mV/1mA or 10mV/10mA.
Digital panel control (rotary coding switch), coarse / fine / volume control.
Three output modes: independent, series and parallel which can be selected by Switch on the front panel.
Tracking serial / parallel mode: in tracking mode, output of CH1 and CH2 are automatically connected into series or parallel. In Series mode, it will be double output voltage; In Parallel mode, it will be double output current.
Five groups of Save / Recall, Lock, output ON/OFF, and intelligent temperate-control fan.
Constant voltage / constant current: in addition to CH3, each output channel is with complete transistor and performance converter and in the mode of constant voltage source and constant current source.

Specifications:

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 current3A)

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 +/-5C)

Voltage:  +/-(0.03% reading + 10digits)

Voltage: +/-(0.5% reading + 2digits)

Current: +/-(0.3% reading + 10digits)

Current: +/-( 0.5% reading + 2digits)

Reading precision

(25 +/-5C)

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  +/-5C) 

Voltage change rate0.01% + 3mV

Voltage change rate0.01% + 3mV

Load variation rate0.01% + 3mV

Load variation rate0.01% + 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

( If you need user manual or E-catalogue for above meters,  please ask for at: xiushunjie@163.com )