Doc. SIE62153 Rev. 1 Page 15/24
4 DRTS.3 PLUS OPTIONS
The first five options are to be specified at order.
4.1 Output voltage
The output voltage can be up to 300 V instead of 125 V; specifications are given in the voltage
outputs paragraph. This option is to be specified at order.
4.2 Optional current and voltage measurements
Optionally it is possible to measure currents and voltages. Connections: to safety banana plugs.
- DC Current measuring Input, Low
. Measuring range: ± 20 mA
. Resolution: 10 nA.
. Accuracy: 0.02% of range ± 0.01% of value.
. Temperature drift: : ± 0.01%/°C of value ± 0.03%/°C of range
- DC Voltage measuring input, Low
. Measuring range ± 10 V
. Resolution: 10 µV.
. Accuracy: 0.02% of range ± 0.01% of value.
. Temperature drift: : ± 0.005%/°C of value ± 0.02%/°C of range
- AC/DC Current measuring Input, High
. Measuring range: ± 20 A
. Resolution: 10 mA.
. AC accuracy: 0.2% of range ± 0.1% of value.
. Temperature drift: : ± 0.05%/°C of value ± 0.01%/°C of range
. DC accuracy: 0.1% of range ± 0.1% of value.
. Temperature drift: : ± 0.05%/°C of value ± 0.02%/°C of range
- AC/DC Voltage measuring input, High
. Measuring range ± 250 V
. Resolution: 10 mV.
. AC accuracy: 0.1% of range ± 0.1% of value.
. Temperature drift: : ± 0.05%/°C of value ± 0.01%/°C of range
. DC accuracy: 0.05% of range ± 0.05% of value.
. Temperature drift: : ± 0.05%/°C of value ± 0.02%/°C of range
NOTE: AC specification applies to frequencies between 48 and 62 Hz.
This option is to be specified at order.
4.3 High Precision model
This option has enhanced characteristics with respect to the standard model. This model is
conceived for the test of class 0.2 energy meters. The following table summarizes the performances
of the RRTS.3 PLUS-HP (High Precision) version with respect to the standard one.
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