Greenlee DM-210A, Instruction Manual, Page: 24 / 84

24
Accuracy
(cont’d)
DM-830A and DML-430A Only
DC Voltage AutoCheck™ Mode
Range Accuracy
9.999 V ± (0.5% + 0.003 V)
99.99 V ± (0.5% + 0.03 V)
999.9 V ± (0.5% + 0.3 V)
Input Impedance: Initial 3.0 kΩ // 165 pF typical at voltages up to 50 V;
increases with voltage to approximately 500 kΩ at 1000 V
Auto Check Trigger Level: > +1.5 VDC and < -1.0 VDC typical
AC Voltage AutoCheck™ Mode
Range (50/60 Hz) Accuracy
9.999 V ± (1.0% + 0.004 V)
99.99 V ± (1.0% + 0.04 V)
999.9 V ± (1.0% + 0.4 V)
Input Impedance: Initial 3.0 kΩ // 150 pF typical at voltages up to 50 V;
increases with voltage to approximately 460 kΩ at 1000 V
Auto Check Trigger Level: > 1.0 V (50/60 Hz) typical
Resistance AutoCheck™ Mode
Range Accuracy
600.0 Ω ± (0.5% + 0.4 Ω)
6.000 kΩ ± (0.5% + 0.004 kΩ)
60.00 kΩ ± (0.5% + 0.04 kΩ)
600.0 kΩ ± (0.5% + 0.4 kΩ)
6.000 MΩ ± (0.8% + 0.003 MΩ)
60.00 MΩ ± (2.0% + 0.05 MΩ)
Open Circuit Voltage: < 1.2 VDC (< 1.0 VDC for 60 MΩ range)
dBm (DM-830A Only)
Range and accuracy are subjected to ACmV, ACV, and reference impedance selected.
Typical 600 Ω reference impedance ranges:
At ACmV: -42.22 dBm to -02.22 dBm
At ACV: -17.78 dBm to 62.22 dBm
Input Impedance: 10 MΩ, 50 pF nominal
Selectable reference impedance of 4, 8, 16, 32, 50, 75, 93, 110, 125, 135, 150, 200, 250, 300, 500,
600, 800, 900, 1000, 1200 Ω