Voltage Transducer DCVT-25V10 VPN = 25 V For the electronic measurement of voltages : DC with a galvanic isolation between the primary circuit and the secondary circuit. Preliminary Electrical data VPN VP Vout RIN KN Vd Primary nominal r.m.s. voltage Primary voltage, measuring range Output voltage @ VPN Input Load resistance1) Conversion ratio R.m.s. voltage for AC isolation test, 50 Hz, 1 mn (between primary and measuring circut) 25 + 1.6 .. + 35 10 V V V RIN=62(VIN(max)-26.6)Ω Features • RCC voltage transducer • Compact panel Mount type 25 : 10 5.4 kV Remarks • When sensing voltages, the range of the sensed voltage can be adjusted by adding an external input resistor on the input side. Accuracy - Dynamic performance data XG Overall accuracy @ VPN TA = 25°C Output ripple voltage @ VPN Thermal drift of VOUT Response time @ 90 % of VPN TCVOUT tr ± 1.5 ± 50 ± 0.1 150 % mV %/K µs General data TA TS m Ambient operating temperature Ambient storage temperature Mass - 10 .. + 80 - 15 .. + 80 210 °C °C g Advantages • • • • • No external power supply is required Good overall accuracy Excellent linearity Low temperature drift Fast response time Applications Notes : 1) RIN is not needed whenVP is less than 26.6V. Power rating of R IN should be more than 0.02 x VIN(max) W • DC variable inverter • Railway overhead line voltage measurement • Uninterruptible Power Supplies (UPS) • Battery supplied application 040302/2 www.nanalem.co.jp Dimensions DCVT-25V10 (Unit: mm) 90 81 62 28±2 14±2 7 7 Terminal Identification -Vin 1:.....+Vin 5 3 3:.....-Vin +Vin 40 2 2:.......NC 20 4 10 1 -Vout 4:....+Vout 6 4:....Ground GIN 6:.....-Vout +Vout Terminal Block 14±2 19 30 13 19 Vout DCVT 5 18 50 68± 2 25V10 40 Rin J1 J2 1 4 Vin1:Sensed Voltage Vin2:Normal Input Voltage Vin1 Vin2 2 Rout 1 K 5 Vout Vout:Output Voltage Rin:External Input Resistance to be added 3 6 NANALEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.