| Outputs | All channel outputs are galvanically isolated and not connected to ground. | 
| Number of output channels | R&S®HMP2020 | 2 | 
|  | R&S®HMP2030 | 3 | 
|  | R&S®HMP4030 | 3 | 
|  | R&S®HMP4040 | 4 | 
| Total output power | R&S®HMP2020/HMP2030 | max. 188 W | 
|  | R&S®HMP4030/HMP4040 | max. 384 W | 
| Maximum output power per channel | R&S®HMP2020 | channel 1: 160 W; channel 2: 80 W | 
|  | R&S®HMP2030 | 80 W | 
|  | R&S®HMP4030/HMP4040 | 160 W | 
| Output voltage per channel | all models | 0 V to 32 V | 
| Maximum output current per channel | R&S®HMP2020 | channel 1: 10 A; channel 2: 5 A | 
|  | R&S®HMP2030 | 5 A | 
|  | R&S®HMP4030/HMP4040 | 10 A | 
| Maximum voltage in serial operation | R&S®HMP2020 | 64 V | 
|  | R&S®HMP2030/HMP4030 | 96 V | 
|  | R&S®HMP4040 | 128 V | 
| Maximum current in parallel operation | R&S®HMP2020/HMP2030 | 15 A | 
|  | R&S®HMP4030 | 30 A | 
|  | R&S®HMP4040 | 40 A | 
| Voltage ripple | 3 Hz to 100 kHz | < 250 μV (RMS), typ.<150 μV (RMS) | 
|  | 3 Hz to 20 MHz | typ. < 1.5 mV (RMS) | 
| Current ripple |  | < 1 mA (RMS) | 
| Load regulation | load change from 10% to 90% |  | 
| Voltage | ±(% of output + offset) | < 0.01 % + 2 mV | 
| Current | ±(% of output + offset) | < 0.01 % + 250 μA | 
| Load recovery time | to within ± 10 mV of the set nominal voltage | < 1 ms | 
| Line regulation | ±10% change in mains voltage |  | 
| Voltage | ±(% of output + offset) | < 0.01% + 2 mV | 
| Current | ±(% of output + offset) | < 0.01% + 250 μA | 
| Programming resolution | 
| Voltage |  | 1 mV | 
| Current | R&S®HMP2020 channel 1 (10 A) | < 1 A: 0.2 mA; ≥ 1 A: 1 mA | 
|  | R&S®HMP2020 channel 2 (5 A) | < 1 A: 0.1 mA; ≥ 1 A: 1 mA | 
|  | R&S®HMP2030 | < 1 A: 0.1 mA; ≥ 1 A: 1 mA | 
|  | R&S®HMP4030/HMP4040 | < 1 A: 0.2 mA; ≥ 1 A: 1 mA | 
| Programming accuracy | 
| Voltage | ±(% of output + offset) | < 0.05% + 5 mV | 
| Current | ±(% of output + offset) | < 0.1% + 5 mA | 
| Output measurements | 
| Measurement functions |  | voltage, current | 
| Readback resolution | 
| Voltage |  | 1 mV | 
| Current | R&S®HMP2020 channel 1 (10 A) | < 1 A: 0.2 mA; ≥ 1 A: 1 mA | 
|  | R&S®HMP2020 channel 2 (5 A) | < 1 A: 0.1 mA; ≥ 1 A: 1 m | 
|  | R&S®HMP2030 | < 1 A: 0.1 mA; ≥ 1 A: 1 mA | 
|  | R&S®HMP4030/HMP4040 | < 1 A: 0.2 mA; ≥ 1 A: 1 mA | 
| Readback accuracy | 
| Voltage | ±(% of output + offset) | < 0.05% + 5 mV | 
| Current | ±(% of output + offset) | < 0.1% + 2 mA | 
| Output measurements | 
| Temperature coefficient (per °C) | 5°C to 20°C and 30°C to 40°C |  | 
| Voltage | ±(% of output + offset) | 0.01% + 2 mV | 
| Current | ±(% of output + offset) | 0.02% + 3 mA | 
| Sense function |  | yes, for each channel | 
| Maximum sense compensation |  | 1 V | 
| Ratings | 
| Maximum voltage to earth |  | 150 V (peak) | 
| Maximum counter-voltage | voltage with same polarity connected to the outputs | 33 V | 
| Maximum reverse voltage | voltage with opposite polarity connected to the outputs | 0.4 V | 
| Maximum reverse current | for 5 minutes max. | 5 A | 
| Remote control mode | 
| Command processing time |  | < 50 ms | 
| Protection functions | 
| Overvoltage protection |  | configurable for each channel | 
| Overcurrent protection (electronic fuse) |  | configurable for each channel | 
| Response time | (Iload > Iresponse × 2) | < 10 ms | 
| Fuse linking (FuseLink function) |  | yes | 
| Fuse delay time | configurable for each channel | 0 ms to 250 ms (10 ms increments) | 
| Overtemperature protection |  | yes | 
| Special functions | 
| Arbitrary function (EasyArb) | 
| Parameter |  | voltage, current, time | 
| Maximum number of points |  | 128 | 
| Dwell time |  | 10 ms to 60 s | 
| Repetition |  | continuous or burst mode 1 to 255 repetitions | 
| Data memory |  | non-volatile memory for three arbitrary functions and ten instrument settings | 
| Display and interfaces | 
| Display | R&S®HMP2020/HMP2030 | 240 pixel × 64 pixel LCD | 
|  | R&S®HMP4030/HMP4040 | 240 pixel × 128 pixel LCD | 
| Front panel connections | channel outputs | 4 mm safety sockets | 
| Rear panel connections |  | connector block with 4 lines per channel | 
| Remote control interfaces | standard | dual interface LAN/USB | 
|  | optional | dual interface USB/RS-232 (R&S®HO720) | 
|  | optional | IEEE488 (GPIB) (R&S®HO740) | 
| General data | 
| Environmental conditions | 
| Temperature | operating temperature range | +5°C to +40°C | 
|  | storage temperature range | –20°C to +70°C | 
| Humidity | noncondensing | 5% to 80% | 
| Power rating | 
| Mains nominal voltage |  | 115 V/230 V (±10%); CAT II | 
| Mains frequency |  | 50 Hz to 60 Hz | 
| Maximum power consumption | R&S®HMP2020/HMP2030 | 300 W | 
|  | R&S®HMP4030/HMP4040 | 600 W | 
| Mains fuses (115 V power source) | R&S®HMP2020/HMP2030 | 2 × T6.3H/250 V | 
|  | R&S®HMP4030/HMP4040 | 2 × T10H/250 V | 
| Mains fuses (230 V power source) | R&S®HMP2020/HMP2030 | 2 × T3.15H/250 V | 
|  | R&S®HMP4030/HMP4040 | 2 × T5H/250 V | 
| Product conformity | 
| Electromagnetic compatibility | EU: in line with EU EMC Directive 2014/30/EU
 in line with EU EMC Directive 2014/53/EU
 | applied harmonized standards: ❙ EN61326-1: 2013
 ❙ EN61326-2-1: 2013
 ❙ EN55011: 2016 (Class A)
 ❙ IEC61000-3-2 2014 (Class B)
 ❙ IEC61000-3-3: 2013
 ❙ EN50581:2012 (RoHS)
 ❙ EN300 328 V2.1.1
 | 
|  | Korea | ❙ KN61000-4-11: 2008 | 
| Electrical safety | EU: in line with Low Voltage Directive 2006/95/EC
 | applied harmonized standards: EN61010-1:2010
 | 
|  | USA, Canada | CSA C22.2 No. 61010-1:2012 | 
| Mechanical resistance | 
| Vibration | sinusoidal | 5 Hz to 55 Hz, 0.3 mm amplitude const., 55 Hz to 155 Hz, 0.5 g const., in line with EN 60068-2-6: 2008 | 
|  | random | 8 Hz to 500 Hz, 1.2 g (RMS), in all 3 axes, in line with EN60068-2-64: 2008 | 
| Mechanical data | 
| Dimensions (W × H × D) | R&S®HMP2020/HMP2030 | 285 mm × 95 mm × 405 mm (11.22 in × 3.74 in × 15.94 in)
 | 
|  | R&S®HMP4030/HMP4040 | 285 mm × 136 mm × 405 mm (11.22 in × 5.35 in × 15.94 in)
 | 
| Weight | R&S®HMP2020 | 7.8 kg (17.2 lb) | 
|  | R&S®HMP2030 | 8.0 kg (17.6 lb) | 
|  | R&S®HMP4030 | 12.4 kg (27.3 lb) | 
|  | R&S®HMP4040 | 12.8 kg (28.2 lb) | 
| Rack installation | R&S®HMP2020/HMP2030 | R&S®HZ42 option | 
|  | R&S®HMP4030/HMP4040 | R&S®HZP91 option | 
| Recommended calibration interval | operation 40 h/week over entire range of speci[1]fied environmental conditions | 1 year |