rwh system watthour rwwh system watthour＋watt rqh system varhour rh system varhour＋var these traduce convert the active power or reactive power of a single-phase of three-phase system with balanced or unbalanced load. the output signals are a digital and dc analog signal. 特性 ? high accuracy: ±0.2%rd (wh), ±0.25%rd (varh) ? precision measurement even for distorted waves ? uses time division multiplier for watt and var ? high immunity to external noise ? wide selection of input and output range ? quick and easy mounting 詳細規格 accuracy ±0.2%rd (wh) ±0.25%rd (varh) temp. coefficient ≦100ppm/℃ ≦60ppm/℃, 25℃±10℃ temp. range －20℃ to 60℃, operating 0～50℃ humidity range up to 95% rh isolation input/output/powecase dielectric test din-iec 688 2k vrms/1min between terminal to terminal 2.8k vrms/1min,between terminal to case surge test din-iec 255-4,ai c37 90a/1974　5kv (1.2×50us) iulation resistance 100mω or more, dc 500v housing material abs resin (94v-0) mounting rail 35mm aux. power ac 115/230v±15%, 50/60hz, 3va dc 24v, 48v, 110v±20% (option) top 輸入說明 輸出說明 frequency 50hz or 60hz ±3hz burden ≦0.1va per voltage circuit ≦0.2va per current circuit seitivity ≦0.5% of range end value overload capacity volage-600vrms continuous 1.25×rated continuous 2 × rated for 10 sec. 4 × rated for 5 sec. current-3×rated continuous 10×rated for 10 sec. 50×rated for 1 sec. 80×rated 0.5 sec. circuit voltage current w var 1φ2w 120v(110v) 1a 100 ±100 5a 500 ±500 240v(220v) 1a 200 ±200 5a 1000 ±1000 1φ3w 240/120v (220/110v) 1a 200 ±200 5a 1000 ±1000 3φ3w 120v(110v) 1a 200 ±200 5a 1000 ±1000 240v(220v) 1a 400 ±400 5a 2000 ±2000 3φ4w 208 /120v (190/110v) 1a 300 ±300 5a 1500 ±1500 416 /240v (380/220v) 1a 600 ±600 5a 3000 ±3000 訂購編號範例 model-connection-input/input freq/freq. output freq. output mode/power supply-two-freq. output/dc output example a rwh-34-32111-n connection 3 phase 4 wires input ac 208/120v, 5a (0～1500w) input freq 60hz ±3hz freq. output 1 pulse/wh freq. output mode open collector aux. power ac 115/230v example b rh-33-21211-ye connection 3 phase 3 wires inpout ac 240v, 5a (0～±2000var) input freq 50hz±3hz freq. output 10 pulse/varh freq. output mode open collector aux. power ac 115/230v two-freq.output forward + revee dc output －10～0～＋10v output variables dc voltage or current ripple <0.5% p-p max. respoe time <0.4 sec. or less zero adjustment ±5% minimum span adjustment ±10% minimum pulse output characteristic output pulse output 1 pulse 10 pulse 100 pulse (per wh or varh) reed relay ac 125v,0.5a dc30v,2a open collector min:dc1v max. dc30v,100ma dc current: 0～20ma (max.) dc voltage: 0～10v (max.) 直流輸出特性 a: 訂購編號 top b: c: d: top 腳位連接圖 rwh-12, rqh-12 ( case i ) 1 phase 2 wires rwwh-12, rh-12 ( case i ) 1 phase 2 wires rwh-13, rqh-13 ( case i ) 1 phase 3 wires rwwh-13 rh-13 ( case i) 1 phase 3 wires rwh-33, rqh-33 ( case i) 3 phase 3 wires rwwh-33, rh-33 ( case i) 3 phase 3 wires rwh-34, rqh-34 ( case i ) 3 phase 4 wires rwwh-34, rh-34 ( case i ) 3 phase 4 wires 本产品的加工定制是否