Greenlee DM-20, Instruction Manual

Page: 12 / 48

12
Accuracy
Refer to “Specifications” for operating conditions and temperature
coefficient.
Accuracy is specified as follows:
±
(a percentage of the r a
fixed amount) at 23
°
C
±
5
°
C (73.4
°
F
±
9
°
F), 0% to 80% relative
humidity.
AC Voltage
Frequency Input
Range Accuracy Range Impedance
199.9 V
±
(1.5% + 0.4 V)
45 to 400 Hz 0.5 M
Ω
300 V
±
(2.0% + 4 V)
DC Current
Range Accuracy Burden Voltage
1999
µ
A
±
(2.5% + 4
µ
A)
19.99 mA
±
(2.5% + 0.04 mA) < 0.7 V
199.9 mA
±
(2.5% + 0.4 mA)
Resistance
Range Accuracy Typical Open Circuit Voltage
199.9
Ω ±
(1.5% + 0.5
Ω
) 3.2 VDC
1999
Ω ±
(1.5% + 0.005 k
Ω
)
19.99 k
Ω ±
(1.5% + 0.05 k
Ω
)
199.9 k
Ω ±
(1.5% + 0.5 k
Ω
) > 0.3 VDC
1999 k
Ω ±
(2.0% + 0.004 M
Ω
)
DC Voltage
Range Accuracy Input Impedance
199.9 mV
±
(1.2% + 0.2 mV)
1.999 V
±
(1.2% + 0.002 V)
19.99 V
±
(1.2% + 0.02 V) 1 M
Ω
199.9 V
±
(1.2% + 0.2 V)
300 V
±
(1.5% + 2 V)