Hoefer PS2A200 User Manual

user manualum  PS2A200-IM/Rev.B0/07-12PS2A200Power Supply

Power supply function and descriptionThe PS2A200 power supply provides the high-current capability required for such electrophoresis applications as

Power output is controlled by setting a maximum value for voltage (1 to 200 V), current (1 to 2000 mA), or watts (1 to 200 W). The PS2A200 automatica

Rear panelThe main power switch and power cord receptacle are at the rear of the instrument. A communica-tions port allows a printout of the power and

SpecificationsPower requirementFrequency 47–63 Hz Line voltage 90–265 VAC Power consumption 300 W maximumPower output 200 W maximumUser interface

Parameter and operation overviewParameter optionsThe PS2A200 can be set within the parameter options mapped out below. Note that power parameters are

Time parametersThe run duration can be programmed (00:01–99:59 hrs), unlimited, or set for a specified number of volt-hours. The timed/hold option (T/H

• p7Fig 4. Power supply crossover.currentVoltage limitCrossover from constant A to constant VCurrent limitresistance increasing over timeresistance d

Important!  Use only one hand when making or breaking a connection to avoid making a complete circuit across your body. Also, make sure your other han

Power parametersThere are many possible displays in SET mode, but all use the format illustrated immediately below. (In contrast, READ mode, shown at

Setting constant current output1Select “Const Amp”Place the cursor in the first field of the second line by pressing the select arrow keys (left and rig

• piPage finder Power Supply Safety ... iiWaste Electrical and Electronic Equipment (WEEE) ...

Setting constant voltage output1Select “Const Volt” Place the cursor in the first field of the second line by pressing the select arrow keys (left and r

Setting constant wattage output1Select “Const Watt” Place the cursor in the first field of the second line by pressing the select arrow keys (left and r

Limiting both voltage and current1Select “V & mA”Place the cursor in the first field of the second line by pressing the select arrow keys (left and

Time parametersThere are four time options to choose from: • The Continuous run option delivers power until the operator manually turns off the pow

Starting the runPress the start/stop key to activate the DC output. The red HV lamp lights and a beep indicates that power is supplied. A flashing colo

Adjusting parameters during a runThe location of the cursor indicates which param-eter is being held constant, and this parameter can be adjusted dire

TroubleshootingDisplay shows “Open circuit”• Check that both leads from each electrophoresis unit are plugged in completely.• Check that both elect

• p18Care and maintenance• If spilled liquid leaks onto the circuit boards, do not plug the power supply into a power outlet. Call Hoefer, Inc. for

Hoefer, Inc. 84 October Hill Road Holliston, MA 01746Toll Free: 1-800-227-4750 Phone: 1-508-893-8999 Fax: 1-508-893-0176 E-mail: [email protected]

• piiPower Supply Safety – English• If this equipment is used in a manner not specied by Hoefer, Inc. the protection provided by the equipment may b

• piiibrug bare i henhold til instruktionerne. • Instrumentet skal altid bruges med jordblyet af netled-ningen rigtigt jordede til jord på hovedledni

• pivSécurité d’alimentation – French • Si cet équipement est utilisé dans une manière pas spécié par Hoefer, Inc. la protection fourni par l’équipe

• pvfornito da Hoefer, Inc. potrebbe essere usato per oper-are, per mantenere, e per revisionare questo prodotto.• Avvertendo! Perché questo strument

• pviwykorzystania. Wszystkie urządzenia podłączone do wysokiego napięcia powinny być zgodne z EN61010-1: 2001.• Kontrolować instrumentu jako suche i

• pvii• Porque este instrumento tiene la capacidad de alto-corriente, verique la calicación de cualquier equipo conectado. No exceda su calicación

• pviiiEnglishFrenchGermanItalianSpanishSwedishThis symbol indicates that the waste of electrical and electronic equipment must not be disposed as uns