ADCMT 6240B User Manual

6240B DC Voltage Current Source/Monitor Operation Manual
9.1 Source and Measurement
9-4
A: Voltage limiter range tolerance
Range
Accuracy 1-day stability Temperature coefficient
(%of reading + A + A  Vo/1 V)
(ppm of reading + A +
A  Vo/1 V)/C
Current
measurement
30 A 0.03 + 8 nA + 300 pA
0.01 + 4 nA + 100 pA 20 + 1 nA + 10 pA
300 A 0.03 + 70 nA + 3 nA
0.01 + 35 nA + 1 nA 20 + 7 nA + 100 pA
3 mA 0.03 + 700 nA + 30 nA
0.01 + 350 nA + 10 nA 20 + 70 nA + 1 nA
30 mA 0.03 + 7 A + 300 nA
0.01 + 3.5  A + 100 nA 20 + 700 nA + 10 nA
300 mA 0.045 + 70 A + 3 A
0.01 + 35  A + 1  A 20 + 7 A + 100 nA
1 A 0.05 + 0.7 mA + 30 A
0.02 + 0.35 mA + 10  A 35 + 70 A + 1 A
4 A 0.25 + 0.8 mA + 55 A
0.08 + 0.35 mA + 10  A 35 + 70 A + 2 A
(Auto zero: ON, integration time: 1 PLC to 200 ms)
Condition
Accuracy 1-day stability Temperature coefficient
(% of reading ) (digits + digits + digits)
(ppm of reading) 
(digits + digits + digits)/
C
Resistance
measurement
Voltage source
Reading item: (Voltage source setting item + Current measurement reading item)
Full-scale item: (Voltage source full-scale item digit value + current measurement
full-scale item digit value + CMV item digit value)
*3
Current source
Reading item: (Current source setting item + Voltage measurement reading item)
Full-scale item: (Current source full-scale item digit value + Voltage measurement
full-scale item digit value + CMV item digit value)
*3
Low-resistance
measurement
(4-wire connec-
tion)
Current source
Reading item: (Current source setting item + Voltage measurement reading item)
Full-scale item:
*4
(Auto zero: ON, integration time: 1 PLC to 200 ms)
Vo: Compliance voltage (-15 V to +15 V)
*3: CMV item = (A  Vo/1 V);
source or measurement current  source or measurement voltage/1 V digit value
*4: Full-scale item = (A + Rm  B)/Is
Voltage limiter range A
300 mV 10 V
3 V 50 V
15 V 1 mV
Rm: Resistance measured value
B: Current value tolerance due to current source linearity
3 digits worth (5 digits worth in the 4 A range)
Is: Current source setting value

ADCMT 6240B Specifications

General

Brand	ADCMT
Model	6240B
Category	Measuring Instruments
Language	English