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Feature ● AC flows into DC detection sensor series ● AC Leakage Current Sensor develops on base of magnetic modulation closed loop principle ● Apply unique patented technology for measure tiny current (mA level) ● Supply voltage: DC ±12 V Advantages ● High accuracy ● Very good linearity ● Easy installation ● Can be customized ● Wide current measuring range ● Optimized response time ● Low power consumption ● High immunity to external interference Applications ● The current detection of the lift ● DC panel detection ● The signal system ● Current differential detection ● AC variable-speed drive/ Servo drive ● UPS and Inverter applications
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Electrical data： |
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Parmeter Ref
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CHD10 CRDA12D |
CHD20 CRDA12D |
CHD30 CRDA12D |
CHD50 CRDA12D |
CHD100 CRDA12D |
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Rated input Ipn (DC+AC) |
10mA |
20mA |
30mA |
50mA |
100mA |
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Measuring range Ip |
0～±20mA |
0～±50mA |
0～±60mA |
0～±80mA |
0～±120mA |
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Rated output voltage/current |
±5V, 4-20mA, 0-20mA (DC) + 2V (AC ) (±1%) |
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Supply voltage Vcc |
DC ±12V~±15V (±5%) |
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Current consumption Ic |
＜20mA |
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Galvanic isolation Vd |
2.5KV/50Hz/1min |
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Linearity |
＜1% FS |
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Working frequency |
DC+AC: 30HZ-1KHZ |
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Offset voltage V0 |
TA=25℃ ＜±50mV |
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Offset voltage drift VOT （mV/℃） |
IP=0 TA=－10~+60℃ DC±2.5 AC <1 |
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Operating temperature TA |
－25~+70℃ |
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Storage temperature TS |
－40~+85℃ |
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Load resistance RL |
≥10KΩ |
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Dimensions(mm): |
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General tolerance:< ±0.5mm Primary through-hole：D20+0.2mm |
