RK9930AY Programmable Medical Ground Resistance Tester, Current AC 3-40A, Resistance 0-600mΩ, Time 0-999.9

The grounding resistance tester is used to measure the grounding resistance inside the electrical equipment, which relects the(contact) resistance between the total grounding terminals of the electrical equipment

• Basic Function:1.Screen Size:5 Inch TFT LCD;2.Number Keys:Parameter Setting Digital input;3.Coding Switch:Parameter Selection And Confirmation Function;4.Up, Down, Left And Right Function Keys:Parameter Setting Up And Down Selection Function;5.Lock Keyboard Lock Function:Prevent Accidental Modification Of Test Conditions Or Prohibit Modification Of Test Conditions
• Output Specifications:1.Current Range:AC (3-45)A; 2.Current Resolving Power：0.01A/Step For 10A And 0.001A/Step For 10A And Below；3.Current Accuracy：±(2% +0.02A)；4.Voltage Range：AC 8V Max OpenCircuit Voltage；5.Voltage Frequency：50/60Hz Optional；6.Voltage Wave Form：Sine Wave；7.Ammeter Measuring RangeOf Ammeter：AC (3-45)A；Ammeter Resolving Power：0.01A/Step For 10A And 0.001A/Step For 10A And Below;
• With open circuit alarm function. The maximum test time is 999.9S
• The four-terminal method is used for measurement to eliminate the influence of contact resistance.