Chapter 1: General Information
Specifications and Characteristics
1–10
CAT I and CAT II Definitions
Installation category (overvoltage category) I: Signal level, special equipment or parts of
equipment, telecommunication, electronic, etc., with smaller transient overvoltages than
installation category (overvoltage category) II.
Installation category (overvoltage category) II: Local level, appliances, portable equipment etc.,
with smaller transient overvoltages than installation category (overvoltage category) III.
General characteristics
Temperature Operating: 0° C to +40° C.
Non-operating: -40° C to +70° C.
Humidity Operating: Up to 95% relative humidity (non-condensing) at +40°C.
Non-operating: Up to 90% relative humidity at +65°C.
Altitude Operating: Up to 4,600 meters (15,000 feet).
Non-operating: Up to 15,300 meters (50,000 feet).
Vibration Operating: Random vibration 5-500 Hz, 10 minutes per axis, 0.3 g(rms).
Non-operating: Random vibration 5-500 Hz, 10 minutes per axis, 2.41
g(rms); resonant search 5-500 Hz, swept sine, 1 octave/minute sweep rate,
(0.75g), 5 minute resonant dwell at 4 resonances per axis.
Power 100-240 VAC, ± 10%, Cat II, 47 to 440 Hz; max power dissipated: 475 W.
Weight Net: 13 kg (28.5 lbs.).
Shipping: 16 kg (35.2 lbs.).
Dimensions (excluding handle) Height: 216 mm (8.5 in).
Width: 437 mm (17.19 in).
Depth: 440 mm (17.34 in).
Safety Meets IEC 61010-1 +A2, CSA certified to C22.2 No.1010.1, self-certified to
UL 3111.
* Denotes warranted specifications, all others are typical. Specifications are valid after a 30-minute warm-up period, and ±5°C from
annual calibration temperature.
1. Full scale is defined as 8 vertical divisions. Vertical divisions are defined by the major scale settings above non-major scale settings.
The major scale settings are 10 mV, 20 mV, 50 mV, 100 mV, 200 mV, 500 mV, 1 V.
2. Vertical resolution for 8 bits = 0.4% of full scale, for 12 bits = 0.024% of full scale.
3. Within one year of previous calibration.
4. FFT amplitude readings are affected by input amplifier roll-off.
54855A: (-3 dB at 6 GHz, with amplitude decreasing as frequency increases above 6 GHz).
54854A: (-3 dB at 4 GHz, with amplitude decreasing as frequency increases above 4 GHz).
54853A: (-3 dB at 2.5 GHz, with amplitude decreasing as frequency increases above 2.5 GHz).
5. The noise floor varies with memory depth and averaging.
6. Signal peak-to-peak amplitude
≥5 divisions, vertical scale ≥10 mV/div, signal rise time 155 ps (54853A), ≤225 ps (54854A), 150 ps
(54855A), sample rate = 20 Gsa/s, sin(x)/x interpolation enabled, measurement threshold = fixed voltage at 50% level.
7. Between two edges on a single channel. Rms value refers to the standard deviation of 256 consecutive measurements performed
using an individual instrument.
8. Internal trigger. Trigger level contained within full scale display range of trigger channel.
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