6-channel System Reference Standard for DC Power/Energy (Class 0.04)
Product Overview
The SRS 121.1 DC is a 6-channel single-phase reference standard for DC Power/Energy accuracy class 0.04 for verification of 1 up to 6 DC Meters or DC Energy Measuring Units of EVSE (Electric Vehicle Supply Equipment) at the same time.
The voltage is measured with 6 independent channels U1 to U6. The current is measured common for all channels with two external Zero Flux Precision Current Transducers connected to the two Current Transducer inputs CT1 and CT2.
Key Specifications
Auxiliary power supply: 88 VACmin - 264 VACmax / 47 - 63 Hz 125 VDCmin - 373 VDCmax
Power consumption: max. 45 VA
Housing: 19” plug-in unit
Dimensions: W 483 x D 133 x H 326 mm
Isolation protection: IEC 61010-1:2010
Measurement Category: 1000 VDC CAT II (2000 VDC CAT II)
Degree of protection: IP-20