www.powerbox.com.au - 1800 251 380

www.powerbox.co.nz - 0800 104 480

SM800 Series

L A B O R A T O R Y P O W E R S U P P L Y

SPECIFICATIONS

Doc. No. SM800 Rev.D 3-12-15

SELECTION TABLE

ANALOG PROGRAMMING

Programming Inputs: CV

Input Range: 0 - 5V

Accuracy: +/-0.2%

Offset: -0.1...+1.3mV (on 5V)

Temp. coeff. offset:: 10uV/C

Input Impedance: > 1Mohm

Programming Inputs: CC

Input Range: 0 - 5V

Accuracy: +/-0.5%

Offset: 0...+2.2mV (on 5V)

Temp. coeff. offset:: 50uV/C

Input Impedance: > 1Mohm

Monitoring Outputs: CV

Input Range: 0 - 5V

Accuracy: +/-0.2%

Offset: -1.1..0mV (on 5V)

Temp. coeff. offset:: 3uV/C

Output Impedance: > 2 ohm / max 4mA

Monitoring Outputs: CC

Input Range: 0 - 5V

Accuracy: +/-0.5%

Offset: -1.1..0mV (on 5V)

Temp. coeff. offset:: 60uV/C

Output Impedance: > 2 ohm / max 4mA

Reference voltage

Vref: 5.114V +/-15mV

(Ro = 2ohm, max 4mA) TC: 20ppm

+12V output

Vo: 12V+/-0.23V

Imax: 0.2A

Ro: 3ohm

OPERATING

Relay Outputs

ACF: AC-Fail, both NOP and NC contact

DCF: DC-Fail,both NO and NC contact

output voltages +/-5% beyond set point

Status Outputs

CC operation: 5V = logic1, (Ro = 500 Ohm)

CV or CC limit: 5V = logic1, (Ro = 500 Ohm)

OT: Over Termp: 5V = logic1, (Ro = 500 Ohm)

PSOL, Powersink Overload: 5V = logic1, (Ro = 500 Ohm)

ACF, AC Fail: 5V = logice1, (Ro = 500 Ohm)

DCF DC Fail 5V = logice1, (Ro = 500 Ohm)

Remote ShutDown

> with +5V, 1mA or relay contact

Interlock

Contact at rear of panel

Indicators

Voltage meter, Amp meter, AC-Fail, DC-Fail, Over

Temperature, Power Sink Overload, Remote Shutdown,,

Remote-CV, Remote-CC, Output On,CV-limite, CV- and

CC- mode

Controls

Mains on/off switch, CV and VV potmeter, CV and CC limit

potmeter, Displlay Settings button, Display limits button,

Remote/Local button, Output On/off button, Fron panel

lock button

Series Operation

Max total voltage 600V

Master / Slave oeration yes

Parallel Operation

Max total current - No limit

Master / Slave operation - max 4 units (including master)

Remote Sensing

Max volt, drop per load lead: 2V

Limits

Voltage adjust range: 0 - 102%

Current adjust range: 0 - 102%

Potentiometers & Encoders

From front panel: Standard .03%

Screw driver adj: Option P001 (at front panel)

Digital Encoders: Option P220

Efficiency

87% Typical

Isolation

Input - Output: 3750Vrms(1 min)

Creepage clearance; 8mm

Input - Case: 2500Vrms

Output - Case: 600VDC

MTBF

500,000hrs

OUTPUT

SM 7.5-80

SM 18-50

SM 70-AR-24

SM 400-AR-4

Output Voltage Range

0 - 7.5V

0 - 18V

0 - 70V

0 - 400V

Output Current Range

0 - 80A

0 - 50A

0 - 24A

0 - 4A

Autoranging (2 Ranges)

No

No

Yes

Yes

Max Output Current/Voltage

-

-

24A / 0-35V

4A / 0-200V

-

-

12A / 35 - 70V

2A / 200 - 400V

Meters

3.5 digit

3.5 digit

3.5 digit

3.5 digit

Scale voltage

0 - 7.500 V

0 - 18.0 V

0 - 70.0 V

0 - 400.0 V

Scale current

0 - 80 A

0 - 50.0 A

0 - 24.0 A

0 - 4.0 A

Accuracy

0.5% + 2 digit

0.5% + 2 digit

0.5% + 2 digit

0.5% + 2 digit