Tester MSG MS121 is used for diagnostics of electromagnetic valves and clutches of AC compressors. The advantage of the device is easy operation and small dimensions. The tester is essential for car service centers dealing with maintenance of air conditioning system.

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Supply voltage, V12-15
Current measurement accuracy, A0.1
Short circuit protectionYes
Supply typeBatteries, constant voltage source 12-15 V
Weight, kg0.2
Dimensions, W×D×H, mm155*97*30
Voltage of tested electromagnetic clutches, V12
Automatic clutch polarity selectionYes
Short circuit protectionYes
Types of tested electromagnetic clutchesDiode; no diode
Voltage meter accuracy, V0,1
Tested parameters of electromagnetic clutchesСurrent consumption; open circuit; short circuit
Types of tested electromagnetic valvesDiode; no diode
Automatic valve polarity selectionYes
Tested parameters of electromagnetic valvesDuty cycle; сurrent consumption; open circuit, short circuit
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