LDRs or Light Dependent Resistors are very useful especially in light/dark sensor circuits. Normally the resistance of an LDR is very high, sometimes as high as 1000 000 ohms, but when they are illuminated with light resistance drops dramatically.
SCT-013-030 Non-invasive 30A
Current transformers (CTs) are sensors that are used for measuring alternating current. They are particularly useful for measuring whole building electricity consumption (or generation for that matter).
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The split core type such as the CT in the picture above, is particularly suitable for DIY use it can be clipped straight on to either the live or neutral wire coming into the building without having to do any high voltage electrical work.
- Suitable for the current measuring
- Monitoring and protection of AC motor
- Lighting equipment
- Air compressor
- Input Current: 0~30A AC
- Output Mode: DC 0~1V
- Build-in sampling resistance?RL): 62?
- Turn Ratio: 1800:1
- Resistance Grade: Grade B
- Work Temperature: -25°C ~ ?70°C
- Dielectric Strength(between shell and output): 1000V AC/1min 5mA
- Leading Wire in Length: 1m
- Opening Size: 13 x 13mm/ 0.5 x 0.5"
- Output Plug: 3.5mm
- Use: Used in AC motor, lighting equipment, air compressor, such as current measurements, Monitor and protect
- Plug Output: current, voltage two kinds of output
- The output voltage output form: Built-in sampling resistor type;Built-in diode current output type, electricity manifold open loop operation of avoid by all means
- Cable Length: 105cm/ 41.33"
- Total Size 5.5 x 3.1 x 2cm/ 2.16" x 1.22" x 0.78"
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