Amprobe MEGATEST-1000 Megohmmeter - Manual (Page 38)

10. TECHNICAL SPECIFICATIONS
TECHNICAL FEATURES
Accuracy is indicated as [% of reading + number of digits]. It refers to the following
atmospheric conditions: a temperature of 23°C ± 5°C with a relative humidity < 75%.
Continuity
Test mode
Measuring range
( Ω)
Resolution
( Ω)
Accuracy
0.01 – 19.99 0.01
AUTO, R+, R-
20.0 – 99.9 0.1
±(2% Reading + 2 digit)
R+TIMER
R-TIMER
0.01 – 9.99 0.01 ±(2% Reading + 2 digit)
Test current
>200mA DC up to 16 Ω (incluse the resistance of the calibration)
40mA DC from 16 Ω to 99.9Ω
Test current resolution 1mA
Open circuit Test Voltage 9V
Insulation resistance
Test voltage
( Ω)
Measuring range
(M Ω)
Resolution
( Ω)
Accuracy
0.01 – 19.99 0.01
20.0 – 49.9 0.1
±(2% Reading + 2 digit)
50
50.0 – 99.9 0.1 ±(5% Reading + 2 digit)
0.01 – 19.99 0.01
20.0 – 99.9 0.1
±(2% Reading + 2 digit)
100
100.0 – 199.9 0.1 ±(5% Reading + 2 digit)
0.01 – 19.99 0.01
20.0 – 199.9 0.1
200 - 249 1
±(2% Reading + 2 digit)
250
250 - 499 1 ±(5% Reading + 2 digit)
0.01 – 19.99 0.01
20.0 – 199.9 0.1
200 - 499 1
±(2% Reading + 2 digit)
500
500 - 999 1 ±(5% Reading + 2 digit)
0.01 – 19.99 0.01
20.0 – 199.9 0.1
200 - 999 1
±(2% Reading + 2 digit)
1000
1000 - 1999 1 ±(5% Reading + 2 digit)
Automatic selection of the measuring range
Open circuit voltage
1,1 x Rated voltage test
Short circuit current <3,0mA - 500V
<2,0mA - 50V, 100V, 250V, 1000V
Rated measuring current 2,17 mA - 500V/230k Ω
1mA - 1000V/1M Ω
If the instrument measures a voltage higher than 30V, the instrument will not take a
measurement.
Safety standards
Insulation:
Class 2, double insulation
Over voltage category: CAT III
37