Mastech HY3005D Variable Linear Lab Power Supply 0-30V 0-5A, Specification:
- Two level of control for both current and voltage outputs: coarse and fine for ease of use
- Adjustable outputs: 0-30V and 0-5A
- Input voltage: 110V AC switchable
- Ripple noise: CV <= 0.5 mV RMS, CC <= 3 mA RMS
- Warranty: 1 year
Brand Name Mastech Mfr Part # HY3005D UPC 859718004783 , 616932235054 EAN 0859718004783 , 0616932235054
Two level of control for both current and voltage outputs: coarse and fine for ease of use
Adjustable outputs: 0-30V and 0-5A
Input voltage: 110V AC switchable
Line regulation: CV <= 0.01% + 1 mV, CC <= 0.2% + 1 mA
Load Regulation: CV <= 0.01% + 3mV, CC <= 0.2% + 3 mA
Ripple noise: CV <= 0.5 mV RMS, CC <= 3 mA RMS
Protection: constant current and short-circuit protection
LCD reading accuracy: +/-1% for voltage and +/-2% for current
Environment: 0-40C, relative humidity < 90%
Size: 11.5" x 6.5" x 5.5"
Weight: 13 lbs
Warranty: 1 year
Customer Reviews
These identical meters get branded as Mastech, Elenco and Sinometer.
(Gee, do you think "SINOmeter" is a Chinese company ?) As far as I can
tell, the 3 brand names differ only by their labels. Their actual single
manufacturer is unknown and hidden like most red Chinese electronics
products (Think Apple iPad, iTablet, etc., etc.).
The CURRENT LIMITING function is also very good. THIS IS NOT A CURRENT ADJUSTMENT CONTROL ! The output terminals are very solid, but their bare wire thru-holes on the terminal posts to be far too small for practical use. (This limitation is something that careful use of a drill will cure.)
The rear case plate has attached to it a HUGE HEAT SINK, AS IT SHOULD. Watch out for any sharp corners ! Dulling the sharp points with light use of a fine file may be in order.
The pots are very smooth and provide an intentional, even friction that allows precise hand-adjustment. The meters are very accurate as far as having only 3 digits. If you want more voltage and current monitoring precision, then you are supposed to already know that you need to use external high precision meters !
The CURRENT LIMITING function is also very good. THIS IS NOT A CURRENT ADJUSTMENT CONTROL ! The output terminals are very solid, but their bare wire thru-holes on the terminal posts to be far too small for practical use. (This limitation is something that careful use of a drill will cure.)
The rear case plate has attached to it a HUGE HEAT SINK, AS IT SHOULD. Watch out for any sharp corners ! Dulling the sharp points with light use of a fine file may be in order.
The pots are very smooth and provide an intentional, even friction that allows precise hand-adjustment. The meters are very accurate as far as having only 3 digits. If you want more voltage and current monitoring precision, then you are supposed to already know that you need to use external high precision meters !
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