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Electrical Specifications |
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Output Ratings: |
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Output Voltage |
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0-7.5 V |
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Output Current |
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0-130 A |
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Output Power |
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975 W |
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Output Ratings at the front panel binding posts: |
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Output Current |
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0-30 A |
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Output Power |
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225 W |
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Line Regulation: |
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Voltage |
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1 mV |
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Current |
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5 mA |
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Load Regulation: |
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Voltage |
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1.5 mV |
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Current |
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15 mA |
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Meter Accuracy: |
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Voltage (0.5% of Vmax + 1 count) |
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0.05 V |
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Current (0.5% of Imax + 1 count) |
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0.8 A |
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Output Noise & Ripple: |
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Voltage rms |
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7.5 mV |
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Voltage (p-p) (0-20 MHz) |
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50 mV |
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Drift (8 hours): |
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Voltage (0.05% of Vmax) |
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3.75 mV |
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Current (0.1% of Imax) |
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130 mA |
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Temperature coefficient: |
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Voltage (0.02% of Vmax/° C) |
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1.5 mV |
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Current (0.03% of Imax/° C) |
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39 mA |
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Maximum Remote Sense: |
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Line Drop Compensation |
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3 V/line |
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OVP adjustment range: (5% to 110% of Vmax) |
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0.375-8.25 V |
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Efficiency: |
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81% |
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Interface Specifications 1,8 |
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Program Resolution (16-bit): |
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Voltage |
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0.13 mV |
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Current |
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2.18 mA |
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OVP |
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0.13 mV |
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Program Accuracy: |
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Voltage (0.2% + 10 mV) |
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10 mV (+/- 0.12%) |
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Current (0.3% + 10 mA) |
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900 mA (+/- 0.1%) |
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OVP (0.5% + 100 mV) |
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80 mV |
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Readback Resolution (16-bit): |
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Voltage |
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0.13 mV |
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Current |
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2.18 mA |
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Readback Accuracy: |
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Voltage (0.2% + 20 mV) |
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30 mV (+/- 0.12%) |
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Current (0.3% + 20 mA) |
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900 mA (+/- 0.1%) |
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1. Specifications indicate typical performance at 25 ° C +/- 5° C, nominal line input of 120 VAC. |
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2. For input voltage variation over the AC input voltage range, with constant rated load. |
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3. For 0-100% load variation, with constant nominal line voltage. Measured at the rear panel output connector unless stated otherwise. |
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4. Maximum drift over 8 hours with constant line, load and temperature, after 30 minute warm-up. |
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5. Change in output per ° C change in ambient temperature, with constant line and load. |
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6. Line drop is subtracted from total voltage available at supply output. |
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7. Typical efficiency at 115 VAC input and rated output power.
8. Apply accuracy specifications according to the following voltage program accuracy example:
Set a model 20-130 power supply to 10 volts. The expected result will be within the range of 10 volts +/- 75 mV +/-
0.12% of the set voltage of 10 volts. |
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General Specifications |
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Operational AC input voltage |
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85-250 VAC, 47-63 Hz; power factor corrected. Derate maximum output power for 900 W for AC input less than 95 V. |
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Maximum Input Current |
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13 A maximum at 100 VAC, 11 A mazimum at 120 VAC, 6 A maximum at 220 VAC |
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Power Factor |
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0.99 minimum for full load and 120 VAC input |
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Input Harmonic Distortion |
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Harmonics distortion complies with EN61000-3-2 limits |
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Switching Frequency |
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7.5 V to 300 V models: nominal 125 kHz (250 kHz output ripple); 600 V model: nominal 62.5 kHz (125 kHz output ripple) |
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Time Delay |
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4 s maximum from power on until output stable |
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Voltage Mode Transient Response Time |
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1 ms for output voltage to recover within 0.5 % of its previous level after a step change in load current of up to 50% of rated output |
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Maximum Voltage Differential |
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+/-600 VDC from output to safety ground |
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Remote On/Off and Interlock |
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2.5-15 V signal or TTL-compatible input, selectable logic |
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Remote Analog Programming |
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Voltage and current programming inputs (sources must be isolated): 0-5 k, 0-10 k resistances;0-5 V, 0-10 V (default) voltage sources |
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Remote Analog Monitoring |
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Voltage and current monitor outputs 0-5 V (default), 0-10 V ranges for 0-100% of output |
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Remote Programming and Monitoring Accuracy |
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1% zero to full scale output for the default range |
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Operating Temperature Range |
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32° F to 104 ° F (0° C to 40° C) |
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Storage Temperature Range |
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-40° F to 185° F (-40° C to 85° C) |
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Humidity Range |
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Up to 80% RH, non-condensing |
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Front Panel Voltage and Current Control |
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10-turn voltage and current potentiometers |
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Front Panel Voltage Control Resolution |
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0.02% of maximum voltage |
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AC Input Connector Type |
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IEC 320 connector |
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Main Output Connector |
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7.5 to 40 V models: nickel-plated copper bus bars; 60 V to 600 V models: 4-terminal wire clamp connector for DC output and local sense |
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Weight (one unit) |
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14 lb (6.4 kg) approx |
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Dimensions (H x W x D) |
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3.4 x 8.5 x 18.6” (86.4 x 216.0 x 472.2 mm) |
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Options |
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GPIB-XHR |
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GPIB Interface card (16-bit) |
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RS-232-XHR |
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RS-232 Interface card (16-bit) |
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ISOL-XHR |
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ISOL Interface card provides isolated analog control and readback |
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M13A |
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Locking knobs for front panel controls |
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M22a |
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No front binding posts |
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M61 |
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Recessed front panel potentiometers |
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RM-XHR |
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19-inch rackmount kit for up to two XHR power supplies |
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Regulatory Approvals |
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CE-marked units meet: EN61010-1, EN61000-6-2 and EN61000-6-4; CSA C/US certified to UL61010-1B and CSA C22.2 No 1010.1; Meets USA EMC standard: FCC, part 15B, class A; Meets Canadian EMC standard: ICES-001, Class A. |
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Note: Specifications subject to change without notice. |
