4000 w high power electronic voltage regulator for dimming control temperature Size: 85 * 55 * 38 mm wide, long knob inner hole 6 mm. The maximum power: 4000 w (resistance load) Effective rate: more than 90% Working voltage: ac 220 v Adjust the voltage: AC 10-220V
Measuring, analyzing and solving environmental problems is paramount for the successful HVAC service technician. The EM20 Thermo Anemometer diagnoses and solves air flow problems in HVAC systems
DT-61 6-in-1 Industrial Thermometer Light Humidity Sound Meter NCV Multimeter NEW DT-61 6-in-1 Industrial Thermometer Light Humidity Sound Meter NCV Multimeter NEW!! Product Description This is a brand new CEM DT-61 meter from Ruby Electronics.&n
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