Model |
Extech MG500-NISTL |
Insulation Resistance |
800kΩ to 500GΩ ( Autoranging ) |
Resolution |
1kΩ |
Basic Accuracy |
±5% |
Test Voltages |
500VDC to 10kVDC (adjustable in 500V steps) |
Preset Buttons |
1kV, 2.5kV, 5kV, 10kV |
Polarization Index |
Yes |
Dielectric Absorption Ratio |
Yes |
Voltage Output Warning |
Yes |
Automatic Discharge |
Yes |
Dimensions |
13x10.2x6.3" (330x260x160mm) |
Weight |
7.9lbs (3.6kg) |
Display |
2 x 16 character alphanumeric multi-function dot matrix (OLED) |
Test Voltage Ranges |
20 ranges in 500V steps with automatic ranging. Preset buttons
for 1KV, 2.5KV, 5KV, and 10KV; CAT III-300V rated |
Insulation Resistance Measure Range/Resolution |
800k ohms to 500G ohms (Auto-ranging)
1kohm resolution |
DAR and PI tests |
Calculates Dielectric Absorption Ratio (DAR) Automatically.
Calculates Polarization Index (PI) Automatically. |
Output Power Limit 1W voltage regulation |
Selected Voltage: +20% to -5% of nominal value unless current
limited. If output current is too high the voltage will be lowered
automatically. |
Accuracy |
± (5% + 2 digits) |
Bargraph |
Displays voltage ramp, soak, and decay |
Automatic discharge |
After automatic & manual stop or upon completion of test |
External Voltage |
Alert Warning of external voltage presence (>500VAC or VDC) |
Low battery indicator |
"Replace battery" displayed when battery voltage is low |
Power source |
Eight 1.5V ‘C’ Alkaline cells |
Battery life |
40 hours (no load, at 10kV) |
Auto Power off |
After 10 minutes of inactivity |
EnersaveTM mode |
Shorter test time (10 seconds) to conserves battery energy |
Test Leads (silicone) |
RED with integrated Blue guard lead, length = 3m (120”)
Green ground lead, length 127cm (50”)
Blue Leakage guard lead, length 127cm ( 50”) |
Operating conditions |
0 to 40° C (32 to 104°F); < 80% RH |
Altitude |
Up to 2000m (7000’) |
Storage conditions |
-10 to 60°C (14 to 140°F); < 80% RH |
Dimensions |
330 x 260 x 160mm (13 x 10.2 x 6.3”) |
Weight |
3.6kg. (7.9 lbs.) |