HP 8481A HP 8485A
Power Meters
309Power Sensors, Range Calibrator, and Power Sensor Cables
HP 8481A
HP 8481B
HP 8481D
HP 8481H
HP 8482A
HP 8482B
HP 8482H
HP 8483A
HP 8485A
HP 8485D
HP R/Q8486A
HP R/Q8486D
HP W8486A
HP 8487A
HP 8487D
HP 11683A
HP 11730A-F
HP 8481A
HP 8480 Power Sensor Family
The HP 8480 power sensors are designed for use with the E4418A,
E4419A, HP 435B, 436A, 437B, 438A, 70100A and E1416A power
meters. These thermocouple and diode power sensors provide extraordinary accuracy, stability, and SWR over a wide range of frequencies
(100 kHz to 110 GHz) and power levels (–70 to +44 dBm).
Best SWR in the Industry
Mismatch uncertainty is usually the largest single source of error
in power measurements. The HP 8480 power sensor family gives you
extremely low SWR even at mm-wave frequencies. For example, the
HP W8486A power sensor has a specified SWR of less than 1.08:1 over
its entire 75 to 110 GHz frequency range. This low SWR translates into
minimum mismatch uncertainty and optimum measurement accuracy.
Accurate Calibration and Traceability
Each power sensor in the HP 8480 family is individually calibrated and
traceable to the U.S. National Institute of Standards and Technology
(NIST, formerly NBS). The uncertainty in this calibration factor is your
link to NIST. The cal factor measurement system used by HP Standards
Lab provides you with minimum cal factor uncertainty.
True-RMS Reading Sensors
HP high-sensitivity diode power sensors (HP 8481D/85D/86D/87D)
are always operated inside the square-law region. This means that the
sensor will act as a true-RMS reading device over its entire –70 to –20
dBm dynamic range. The benefit to you: HP sensors provide you with
accurate readings even if your test signal is subjected to multi-tone environments, modulated carriers, or carriers with high harmonics.
Millimeter-Wave Sensor Calibration
A 50 MHz calibration port is included in HP waveguide power sensors
for calibration with the power meter. This calibration provides traceability to NIST at millimeter-wave frequencies, and it eliminates the uncertainties due to temperature changes and the variance in making
measurements with different meter/sensor combinations.
Accurate Accessories Included
With HP power sensors, you can start making measurements right
away. No more hunting around for attenuators or adapters. HP sensors
include all the accessories you need to optimize accuracy and save time.
HP Q8485A
HP 11683A Range Calibrator
The HP 11683A range calibrator is specifically designed for use with the
E4418A, E4419A, HP 435B, 436A, 437B, 438A, 70100A and E1416A
power meters. It allows verification of full-scale meter readings on all
ranges, as well as meter tracking. Simply connect the cable between
the power meter and calibrator. The CAL ADJ control on the power
meter is used to set the meter to full scale on the 1 mW range. The calibrator and meter are then stepped through the other ranges verifying
accuracy within ±1 percent plus noise and drift. The HP 11683A also has
a polarity switch that tests the auto-zero circuit. The HP 11683A is not
HP-IB compatible.
HP 11683A Range Calibrator Specifications
Calibration Functions: Outputs corresponding to meter readings of
3, 10, 30, 100, and 300 µW; 1, 3, 10, 30, and 100 mW
Calibration Uncertainty: ±0.25% in all ranges
Power: 100, 120, 220, or 240 Vac + 5%, –10%, 48 –440 Hz, less than10 V · A
Size: 133 mm W x 89 mm H x 216 mm D (5.25 in x 3.5 in x 8.5 in)
Weight: Net, 1.13 kg (2.5 lb); shipping, 1.9 kg (4.2 lb)
HP 11730A-F Power Sensor Cables
The HP 11730 series power sensor cables are for use with the E4418A,
E4419A, HP 435B, 436A, 437B, 438A, 70100A and E1416A power meters
and the E-series and HP 8480 series of power sensors. These cables are
designed to reduce RFI effects on low power readings with an improved
shielding design in the cable itself. Cables may be ordered individually
or in pairs in any combination desired for single- and dual-channel
measurements.
The HP 11730A cable is the standard cable for the E4418A,
E4419A(2 cables shipped), HP 435B, 436A, 437B, 438A (2 cables
shipped), 70100A and E1416A power meters. To order a nonstandard
cable, select Option 004 for the meter in question, and order the desired
cable from below.
Key Literature
Thermocouple and Diode Power Sensor Family Brochure, p/n 5959-8751
Ordering Information
HP 11683A Range Calibrator
HP 11730A 1.5 Meter (5 ft) Sensor Cable 4
HP 11730B 3.0 Meter (10 ft) Sensor Cable 4
HP 11730C 6.1 Meter (20 ft) Sensor Cable 4
HP 11730D 15.2 Meter (50 ft) Sensor Cable 4
HP 11730E 30.5 Meter (100 ft) Sensor Cable 4
HP 11730F 61.0 Meter (200 ft) Sensor Cable 4
4 Indicates QuickShip availability.
5
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