Electronic DC Load EL3000, EL4500, EL6000 Sries Power 3000W, 4500W u. 6000W Cooled by int. fans Constant I-Mode, U-Mode, P-Mode or G-Mode All Modes ext. programmable Nominal value indication and offline setting of all Modes Auto change to true values Overload possible for a short time Stand-alone use and intended for 19" rack Options a.o.: Installed IEEE488.2 (GPIB) / RS232* / USB* interface with Lab-View Driver (Series INT2E) Installed USB Interface with driver software External CAN Open Interface (on request) *selectable RS232 or USB Ci 78�339578�1273 C ry o at r o b a L O H w c 3 Input: Input voltage Load voltage Load current Power ration and Control: 230 VAC ±10%, 50 - 60 Hz see table see table see table Manual adjust: Adjustment current, voltage, power and conductance (see table): each 2 levels (max., min.) each over 2 channels adjustable selectable I-Mode 20/100%, G-Mode 5/100% 100 Hz or 1 kHz switch-selected, waveform: square-wave 1 : 1 ext. voltage (reference - UL) 0 - 10 V = 0 - Imax 0 - 10 v = 0 - Umax 0 - 10 v=0 - Pmax 0 - 10 v=0 - Gmax any waveform, frequency range typical 0-10 kHz (-3 dB) same units current-, voltage-, power- and conductance-monitor, signal undervoltage, sum alarm signals for overcurrent, temp. limit, overload or overvoltage overcurrent, temp. limit, overload, over- and undervoltage each 1 LED for voltage, current/conductance and power LED digital 3% dig., accuracy 0,2% ± 1d Regulation: < 0,1 % Im < 1% G a ma < 10 n s U max Set point accuracy (Voltage range ± 20%) Rise time (at I-Mode, 10闭 Pulse-generator I, U, P, G Programming P max 90 % nominal value change) Transient time (at I-Mode 10- < 300 |x s 90% nominal value change) Temperature coefficient (after 15 min. working time, < 0,1%/K Imax within 8 hours const. ambient temp. and const. input voltage) Parallel operation Monitor Signals Protection: Overload protection Overvoltage protection Thermal protection Overcurrent Safety for load circuit Reverse polarity protection min. 2-times, normal load for a short period power shutdown ULmax + 5% power shutdown, manual reset current limit Imax + 20% fuse and wattless current diode for I < 200A Indication Instruments Environmental Conditions: Operating temperature Cooling Safety: Safety standard Isolation AC input - load input: AC input - ground: Load input - ground: 0 - +35°C int. fan, temperature controlled Input Load Euro - plug rear side with switch front side type DIX SE50 female plug included IL > 250 contact rails each pole 2 x M10 female plug 4mm rear panel 25 pole Sub D female plug EN 61010-1 Sense Ext. programming Physical Specificatio Dimensions wxhxd UL < 350 V: 2,3 kVeff UL > 350 V - 800 V: 3,7 kVeff 1,35 kVeff UL < 150 V: 500 Veff ULL > 150 - 300 Ve:f f820 Veff L eff UL > 300 - 600 V: 1,35 kVeff UL > 600 - 800 V: 2,2 kVeff EL3000: 485 x 285 x 500 mm (6U) EL4500: 485 x 420 x 500 mm (9U) EL6000: 485 x 420 x 500 mm (9U) EL3000: ca. 32 kg EL4500: ca. 45 kg EL6000: ca. 48 kg EMC: Input EMI filter Input immunity Weight EN61000-6-3 EN61000-6-1 zentro-elektrik Gmb I Tel.: ++49 (0) 7232-31310 I Fax: ++49 (0) 7232-3131399 I E-mail: [email protected]