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Feature:
1.This model has compact design with SMT construction.
2.This unit now features a Dual LED Four digital tube display with precise
LED digital readout to show voltage and current value.
3.Extra versatility with a voltage output switch which means no need toturn off the unit to toggle voltage ON / OFF.
4.The current protection value adjustable.
5.This model has 3 groups of output for current and voltage and
you can use 3 groups of output working in the same time.
6.The current and the voltage can be continuously adjusted.
7.Separate power output activation button - this unit can be switched on with the power output isolated.
8.Output will only be generated when the output switch is active, located on the right of the front panel.
9.Current is controlled using the potentiometer on the front panel. You can use a small screwdriver to limit the current output if current limiting is required. The default setting is the full 5A capacity of the unit. Unless you need to specifically set a current limit, it is not necessary to change the current dial setting. In Constant Voltage mode the Amps drawn will be determined by the Load as long as the current drawn does not exceed the maximum 5A.
10. Maximum output is 30V at 5A.
11. High stabilized output voltage.
12.Short circuit protection.
13.Over loading and current protection.
PRODUCT SPECIFICATIONS
· Model: YH-305DA
· Compact Design
· SMT Construction
· Dual LED FOUR Digital Tube Display
· High Stabilized Output Voltage
· Short Circuit Protection
· Over Loading and Current Protection
Operating Conditions
Supply power: AC 100~127/220~240V, 50Hz/60Hz.
Working Temperature: -10°C ~ 40 °C
Relative Humidity: ‹ 90%
Storage Conditions: -10°C ~ 40 °C
Relative Humidity: ‹ 80%
Power: 295W
Stable Voltage
The output voltage is between 0 and nominal value continuously adjustable
Voltage Stability: ≤0.01% +3mV
Load Stability: ≤ 0.01% +3mV
Recovery Time: ≤100µS
Ripple Noise: ≤1 MVRMS(RMS)
Temperature Coefficient: ≤ 200PPM/°C
Stable Current
Overload mediation
Voltage 0.01%+3mV(I≤3A)
Current 0.2%+3mA(I≤3A)
Power mediation rate and resolution
Voltage 0.01%+3mV
Current 0.01%+3mA
Voltage 10mV
Current 1mA (2mA Rated Current>3A)
Setting accuracy (25±5°C)
Voltage ≤0.1%
Current ≤10mA Rated Current >3A
Ripple (20Hz-20MHz)
Voltage Ripple ≤1mVrms (≤ 2mVrms >3A
Temperature coefficient (0-40°C)
Voltage ≤ 300ppm+10mV
Current ≤ 300ppm+10mA
Read back value resolution
Voltage ≤ 300ppm+10mV
Current ≤ 300ppm+10mA
Drift
Voltage ≤ 300ppm+10mV
Current ≤3 00ppm+10mA
The output current is between 0 and
nominal value continuously adjustable
Power Stability: 0.1% + 3mA
Load Stability: 0.2% + 3mA
Ripple Noise : ≤2mArms(RMS)



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