SEAL 9J5640 - Caterpillar

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The Cat Digital Voltage Regulator presents an electrical shock/electrocution hazard. This hazard will cause serious injury or death.Service by trained personnel only.The terminals and heat sinks are live at hazardous voltages when power is applied and for up to 8 minutes after power is removed.
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6V-7070 Caterpillar Digital Multimeter
Caterpillar digital multimeters can be used in order to measure voltage, resistance, or current up to 10 A. Rectifiers can also be checked by using the diode function. Refer to Special Instruction, SEHS7734, "Use Of The 6V-7070 And 6V-7800 Multimeter" for the correct operation of the 6V-7070 Digital Multimeter.
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225-8266 Ammeter Tool Gp
The 225-8266 Ammeter Tool Gp may be used to measure current up to 1200 A. When you are measuring line current on multiple lead units, measure the current in each conductor per phase and add the currents together.