HP EPM E4419A, EPM-442A manual 45

Power Meter Operation

Calibrating the Power Meter

Table 2-1: Connecting the HP 8480 Series Power Sensors During Calibration

Sensor	Connection Requirements
Model
HP 8481A	These power sensors connect directly to the reference calibrator.
HP 8481H
HP 8482A
HP 8482H
HP 8481D	Prior to the power meter being calibrated an HP 11708A 30 dB
HP 8484A	reference attenuator should be connected between the power
	sensor and the reference calibrator. This attenuator must be
	removed from the power sensor input prior to making
	measurements.
HP 8483A	This power sensor requires a 75 Ω (f) to 50 Ω (m) N-Type adapter
	(1250-0597) to connect to the reference calibrator. This adapter
	must be removed from the power sensor input prior to making
	measurements.
HP R8486A	The waveguide power sensors have two connectors. The N-Type
HP Q8486A	connector is the one which is used to calibrate the power meter.
HP R8486D
HP Q8486D
HP W8486D
HP 8481B	These power senors are configured with an attenuator. Prior to
HP 8482B	the power meter being calibrated, this attenuator must be
	removed. The attenuator must be reconnected prior to making
	measurements.
HP 8485A	This power sensor requires an APC 3.5 (f) to 50 Ω (m) N-Type
	adapter (08485-60005) to connect to the reference calibrator.
HP 8485D	Prior to the power meter being zeroed and calibrated an
	HP 11708A 30 dB reference attenuator and an APC 3.5 (f) to
	50 Ω (m) N-Type adapter (08485-60005) should be connected
	between the power sensor and the reference calibrator. This
	attenuator must be removed from the power sensor input prior to
	making measurements.
HP 8487A	This power sensor requires an APC 2.4 (f) to 50 Ω (m) N-Type
	adapter (08487-60001) to connect to the power meter.
HP 8487D	Prior to the power meter being zeroed and calibrated an
	HP 11708A 30 dB reference attenuator and an APC 2.4 (f) to
	50 Ω (m) N-Type adapter (08487-60001) should be connected
	between the power sensor and the reference calibrator. This
	attenuator must be removed from the power sensor input prior to
	making measurements.

HP EPM-442A User’s Guide 2-7