3 Specifications and Characteristics
54 U2000 Series Operating and Service Guide
For U2000/1B
,
Range
1
Zero Set (Internal) Zero Set (External) Zero Drift
2
Measurement
Noise
3
–30 dBm to –5 dBm ±1.8 µW ±800 nW 200 nW 1 µW
–8 dBm to 15 dBm ±2 µW ±2 µW 400 nW 1.5 µW
10 dBm to 23.5 dBm ±12 µW ±10 µW 1.5 µW 15 µW
22.5 dBm to 28 dBm ±2 mW ±1 mW 50 nW 650 µW
26 dBm to 44 dBm ±4 mW ±2 mW 500 µW 1 mW
1 Condition: (i) 0 °C to 55 °C and (ii) 40 °C, 95% relative humidity.
2 Within one hour after zero set, at a constant temperature, after 24-hour warm-up of the power sensor.
3 The number of averages at 16 for Normal speed, measured over one minute interval and two standard
deviations.
The Zero Set, Zero Drift, and Measurement Noise specifications are only applicable to
U2000 Series USB power sensors with serial prefix as shown below:
U2000A Serial prefix MY480/SG480 and above
U2001A Serial prefix MY481/SG481 and above
U2002A Serial prefix MY482/SG482 and above
U2004A Serial prefix MY484/SG484 and above
For power sensors with earlier prefixes, refer to “Appendix A: Zero Set, Zero Drift, and
Measurement Noise” on page 82.
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