ADJUSTABLE POWER SUPPLY

12 | www.elc.fr

Specifications

EAN CODE :

AL 991S

COMPLETE : Three outputs available simultaneously.

PRATICAL : Digital voltage display.

USEFUL : Setting memory.

COMPATIBLE : RS232, USB* and LABVIEW interfaces.

PROTECTED : Short circuit protection.

48 WATTS

RS232 + LABVIEW + USB*

0 to ± 15V

1A

or 0 to 30V

1A

and 2 to 5,5V

3A

and -15 to +15V

0,2A

TRIPLE + INTERFACES

Other specifications

• Safety

: Class I, enhanced safety between mains input and outputs.

Complies with EN 61010-1, overvoltage category II, pollution

degree 2.

• EMC

: Complies with EN 61326-1, performance criteria B, and

EN 55011, ISM Group I, Class B.

• Input voltage : 230V ±10%, 50 / 60 Hz.

• Mains input : Socket C14 with C13 removable cable (2 poles + earth).

• Power consumption : 100 VA max.

• Dielectric strength : 2300V from input to output,

1350V from input to chassis.

• Presentation

: screen-printed polycarbonate front panel, metal case,

epoxy finish.

Voltage

• Floating outputs on 4 mm safety sockets.

• Three outputs available simultaneously :

- Power supply A : adjustable from 0 to ±15 Volts balanced.

or 0 to 30V with the -15V terminal as reference.

- Power supply B: adjustable from + 2 to + 5,5 Volts.

- Power supply C: adjustable from - 15 to + 15Volts.

• Voltage adjustment : push-button selection of output A, B or C.

Voltage incremented and decremented by four push-buttons :

-1 V + 1 V - 0,1 V + 0,1V

Automatic storage of the three voltage settings.

• Regulation : < 20mV for a load variation from 0 to 100%.

< 10mV for a 10% line variation.

• Ripple

: < 3 mV peak to peak or 1 mV rms.

• Indicators : Three red LEDs showing the selected output for display and

adjustment.

• Display

: 14 mm 3 digit LED digital voltmeter for the three outputs.

• Resolution : 100 mV.

Currents

• Max I : 1A on output A.

3A to 5,5 Volts and 1,5A to 2 Volts on output B.

0,2A on output C.

• Display : Current limiting on one output causes the display to blink ; it shows :

“Ic.A”, “Ic.b”, “Ic.C” or “+Ic “, depending on the overloaded output(s).

Protection

• Short circuit protection, by current limit.

• Transformer primary overcurrent protection, by fuse.

• Chassis ground output on 4 mm inverted safety socket.

Interface

• RS-232 link, 9-way male SUB-D plug.

• USB option: Kit includes an adaptator null modem und RS232 cable

Software

• LG991S for Windows95* or +

• LG991S LV and base VI under LabVIEW**

Softwares are available for download on website www.elc.fr

(*is a registered trademark of Microsoft Co.)

(** (*is a registered trademark of National Instruments.)

*OPTION : USBRS232

3760244880055

335

2 5 0

3, 65 K g

13 dm 3

3, 2 Kg

2 0 0

215

335

2 5 0

3, 65 K g

13 dm 3

3, 2 Kg

2 0 0

215

LabVIEW