13
General
Power requirements 100 V/120 V/220 V ±10%, 240 V +5%/-10%,
47 Hz to 66 Hz.
Power consumption 200 VA
Operating temperature
and humidity 0 °C to 55 °C, < 95% RH at 40 °C
Size 426(W) x 177(H) x 498(D) mm
Weight Agilent 4284A: 15kg (33lb.) Agilent 4285A: 16kg (35.2lb.)
Supplemental performance characteristics (Not guaranteed)
Agilent 4284A
Stability Medium integration and constant operating temperature
of 23 °C ±5 °C.
|Z|, |Y|, L, C, R < 0.01%/day D < 0.0001/day
Temperature coefficient Medium integration and 23 °C ±5 °C.
Agilent 4285A
Stability Long integration and constant operating temperature
of 23 °C ±5 °C.
≤ 1 MHz 30 MHz
|X|, |Y|, L, C, R 0.01 %/day < 0.05 %/day
D 0.0001/day < 0.0005/day
Temperature coefficient Long integration, test signal voltage ≥ 20 mVrms
and 23 °C ±5 °C.
≤ 1 MHz 30 MHz
|X|, |Y|, L, C, R 0.004%/°C <0.05%/°C
D 0.00004/°C <0.0005/°C
Settling time
Frequency
4284A < 70 ms; f
m
≥ 1 kHz
< 120 ms; 100 Hz ≤ f
m
< 1 kHz
< 160 ms; f
m
< 100 Hz
4285A < 50 ms
Test signal < 120 ms (4284A) < 100 ms (4285A)
Range < 50 ms/range shift; f
m
≥ 1 kHz
Input protection Internal circuit protection, when a charged capacitor is
connected to the unknown terminals. The maximum
capacitor voltage is:
Vmax =√ 1/C (v) where: Vmax ≤ 200 V
C is in Farads
Specifications continued on page 14
Specifications
Continued from page 12
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