Fluke 231D

The DNI Models 231D and 232D Safety Analyzers are precision voltage, current, and resistance meters designed expressly for testing the electrical safety level of both the patient environment and associated electrically operated equipment.

Both electrical safety analyzers measure

• grounding resistance of the equipment power cord;
• leakage current from the equipment's chassis or ground wire;
• equipment load current;
• voltage gradient (mV) and intergrounding resistance (mOhms) using the external meter function; and
• power system AC voltages:
  • neutral to hot,
  • neutral to ground, and
  • hot to ground.

A test receptacle mounted on the top panel of both meters is used to simulate a wide range of power system fault conditions to assist the operator in assessing the equipment's level ofsafety. Push-button switches on the front panel select

• neutral (open and closed),
• ground (open and closed), and
• polarity (normal and reverse).

An internal ground fault circuit interrupter (GFCI) protects both the operator and the equipment under test. If a hot line to ground fault condition exceeding 10 milliamperes occurs, line voltage is immediately removed from the test receptacle.

For conducting more extensive power system tests, both electrical safety analyzers are compatible with the DNI Model 202A Isolated Power and GFCI Test Module.