RegulatedDCPowerSupply
English
O P E R AT I O N
INSTRUCTION
04.07.03.252
Made
in
China
Statement: The company reserves the right to improve
&
upgrade products,
product specifications and design are subject to change without notice.
Thank you for purchasing this product. Please read the manual
carefully before operating and keep this manual for future reference.
SPECIFICATION
303D
L250xW125xH155mm±5mm
0~3A
-
10℃~40℃/14℉~104℉
<
90%
≤
0.01%+2mV
0~30V
ModelNumber
ControlUnitDimensions
OperatingAmbientTemperature
OutputRange(Voltage)
OutputRange(Current)
Display(Voltage&
CurrentReadings)
RelativeHumidity
≤
0.01%+2mV
1mV(
有效
值
/Validvalue
)
≤
200PPM/℃
≤
0.1%+3mA
2mA(
有效
值/
Validvalue
)
≤
0.02%+3mA
ReadingAccuracy
(Voltage&Current)
LineRegulation
LoadRegulation
Ripple&Noise
C.V.Mode(ConstantVoltage)
C.C.Mode(ConstantCurrent)
LoadRegulation
TemperatureCoefficient
LineRegulation
Ripple&Noise
302D
305DI
305DII
305DIII
0~2A
0~5A
Three-digitdisplay
(LEDNixieTube)
Four-
-
digitdisplay
(LEDNixieTube)
Readingdiscrepanciesofupto±1%,
or±1unitofthereading.
302D /303D /305D I /305D II /305D III
I
.
APPLICATIONS & FEATURES
This product is specifically developed for use in scientific research, product R&D,
test labs, higher education practical lessons, laptop repairs, electronic product
manufacturing lines and more. The voltage and current are continuously
adjustable within the specified range. Highly accurate and reliable, this product
is also equipped with a complete set of overload protection circuit, making it an
ideal choice for your industry.
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I
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PRODUCT REFERENCE
POWER
A
CURRENT
V
VOLTAGE
CURRENT
FINE
FINE
COARSE
COARSE
C.C
C.V
VOLTAGE
ON
OFF
GND
POWER
A
mA
CURRENT
V
VOLTAGE
CURRENT
FINE
FINE
COARSE
COARSE
C.C
C.V
VOLTAGE
ON
OFF
GND
AMPS
LO(mA)
HI(A)
1
1
2
2
3
3
4
4
5
5
6
7
8
9
10
11
12
6
8
9
10
11
12
13
13
302D、303D、305DII
305DI
Control Panel
This product should not be thrown in the garbage. In accordance with the European directive
2012/19/EU,electronicequipmentattheendoftheirlifemustbecollected&returnedtoanauthorized
recycling facility. Este producto no debe desecharse en la basura. De acuerdo a la directiva
europea 2012/19/EU, los equipos electrónicos al final de su vida se deberàn recoger y trasladar a una
planta de reciclaje autorizada.
Dieses Produkt sollte nicht mit dem Hausmüll entsorgt werden.
In Übereinstimmung mit der europäischen Richtlinie 2012/19/EU müssen elektronische Geräte am
Ende ihrer Lebensdauer eingesammelt und einem autorisierten Recyclingbetrieb zugeführt werden.
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