Insulation Range - up to 199.9 MΩ for 100V and 250V; up to 1999MΩ for 500 and 1000V
Accuracy (73.4º F ±3.6º F): <500 MΩ: ±3% ±2 digits; 500 to 1999 MΩ: ±5% ±2 digits
Temperature Coefficient: <500 MΩ: <86º F, ±0.06% per ºF; >86º F ±0.14% per ºF
500 to 1999 MΩ: < 86º F ± 0.11% per ºF; >86º F ±0.28% per ºF
Test Voltage: ±5% at open circuit
Short-circuit Current: 1.2 mA nominal
Hum Resistance: Within twice the normal accuracy if the noise current does not exceed 1 mA for the 1-kV range, or 0.5 mA for the other ranges, and is within 45 to 65 Hz.

Low Resistance Range - up to 19.99kΩ
Accuracy: ±2% of reading ±1 digit
Temperature Coefficient: ±0.06% per ºF
Maximum Test Voltage: 4.3 V nominal
Short-circuit Current: 2.75 mA nominal

Default Voltage Range - 0 to 600 V ac/dc
Accuracy: ±2% of reading ±1 digit at 45 to 65 Hz
Temperature Coefficient: ±0.06% per ºF
Input Impedance: 300 kΩ to 1 MΩ depending on input voltage

Display: 3-1/2 digit LCD. Maximum reading 1999.
Battery Life: Typically 2100 x5 second operations
Discharge: Capacitive circuits are automatically discharged when the “TEST” button is released following an insulation test.