R&S®NGRU Power Supplies

NGRU series are precision laboratory units

Specifications in Brief

Specifications in Brief

Voltage settingR&S®NGRU35R&S®NGRU50R&S®NGRU100
in 5 digits<1 mV to 35 V<1 mV to 50 V<1 mV to 100 V
Resolution1 mV1 mV1 mV
Max. error at +20 ° C± 10–4 of set value ± 20 mV
   analog (continuously)± 25 % with ± 0.5 % setting error of scale
   Resolution0.25 %0.25 %0.25 %
Current setting (2 ranges in 4 digits)
High range<1 mA to 10 A<1 mA to 5 A>12 mA to 3 A
   Resolution1 mA1 mA1 mA
   Max. error (+ 20 ° C)± 2 × 10–3 of set value ± 10 mA
Low range<10 μA to 100 mA
   Resolution10 μA10 μA10 μA
   Max. error (+ 20 °C)± 2 × 10–3 of set value ± 0.2 mA
Max. constant current (150 W)up to 15 V: 10 A
up to 20 V: 7.5 A
up to 35 V: 4.3 A
up to 30 V: 5 A
up to 40 V: 3.8 A
up to 50 V: 3 A
up to 50 V: 3 A
up to 75 V: 2 A
up to 100 V: 1.5 A
Constant-voltage source
Deviation of output voltage with
   ± 10 % AC supply<± 10–5
   0 °C to +40 °C<±10–4/K
   10 % to 90 % load<10–4
PARD (Vrms)<0.3 mV<0.5 mV<1 mV
Transient recovery time<75 μs
Constant-current source
Deviation of output current with
   ± 10 % AC supply<± 2 × 10–5
   0°C to + 40 °C<± 2 × 10–4/K
   10 % to 90 % load<2 × 10–4
PARD
   high range (Irms)<2 mA<1 mA<0.3 mA
   low range (Irms)<20 μA<20 μA<20 μA
Sensing sockets
   Max. voltage compensation<0.5 V<1 V<1.5 V
Common data
Modulation of output voltage
(BNC female, floating)
Vpp =10 V for 10 V modulation,
50 Hz to 1 kHz ± 3 dB
Input impedanceapprox. 3.5 kΩ
Overvoltage protection
   Setting range1 V to 99 V (response threshold approx. 5 % higher)
Programming (external, analog)
for output voltage
   0 % to 100 %0 V to 10 V
   for output current 0 % to 100 %0 V to 10 V
Setting time<3 ms (to within ± 1 %)
Connector5-contact Tuchel female
Input impedanceapprox. 10 kΩ
Reference potentialpositive terminal
General data
Meter accuracy± 2.5 % of full scale
AC supply110/120/220/240 V ± 10 %, 47 Hz to 63 Hz
Dimensions (W × H × D); weight190 mm × 180 mm × 330 mm; 9 kg
(7.48 in × 7.09 in × 12.99 in; 19.84 lb)