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Table A-2. Agilent E4370A/E4374A MCCD Characteristics
Parameter Condition Value
ac Resistance Measurement
maximum measurable
maximum time/output to measure
1
1 Ω
1 s
dc Resistance Measurement
maximum measurable
maximum time/output to measure
1
1 Ω
1 s
Ah Capacity Measurement Accuracy
% of reading + offset
± (0.01% + 1 mAh/h)
Wh Capacity Measurement Accuracy
% of reading + offset
± (0.01% + 5 mWh/h)
Maximum Deviation of Measured Output
Current from Programmed Output Current
constant current mode
± 2 mA
Maximum Deviation of Measured Output
Voltage from Programmed Output Voltage
constant current mode
± 2 mV
Voltage Output Noise
2
rms
peak-to-peak
30 mV
100 mV
Current Output Noise
2
rms
peak-to-peak
1 mA
10 mA
Maximum Current Overshoot
maximum duration of less than 5 ms 5 %
Maximum Voltage Overshoot
25 mV
Maximum Current Risetime
0.1 s
Minimum Programming Current
charging and discharging mode 25 mA
Measurement Interval
for data logging
for sequence tests
for probe check/channel
3
1 s
1 s
1 s
Step Time Interval
maximum
minimum
596 hours
1 s
Maximum Number of Readings in Data
Buffer
349,504
Maximum Sequence Length
596 hours
Maximum Number of Steps in Sequence
100
Maximum Number of Defined Groups
for mainframes with 256 channels 8
ac Input Line Requirements
input voltage range
input frequency range
maximum input power
max. current @ 100/120 Vac
max. current @ 220/240 Vac
95 Vac - 250 Vac
47 Hz - 63 Hz
300 W
4 A
2 A
Maximum Sense Probe Resistance
3
1 kΩ
Auxiliary bias output power
max. @ 5 to 24V/0.42 to 2 A 10 W
Auxiliary bias output voltage
max. @ 0 to 0.42A
min. @ 0 to 2 A
24 V
5 V
Auxiliary bias output current
max. @ 5 V output
min. @ 24 V output
2 A
0.42 A
Auxiliary bias output voltage accuracy
% of setting at any voltage
and current
7 %
Auxiliary bias output noise
peak to peak at any voltage and
current
100 mV
Notes:
1
To measure 256 cells takes up to 5 minutes.
2
At the power connector, with a bandwidth of 20Hz to 20MHz.
3
To measure output probe resistance accurately there must be 50 mV between the +/− power leads and the +/− sense
leads. To measure sense probe resistance accurately there must be 100 mV of cell voltage.