The Keysight 11683A (formerly Agilent) is a high-precision range calibrator designed to verify the full-scale readings, range tracking, and auto-zero circuits of EPM, EPM-P, E1416A, and legacy 43X-series power meters.

Specifications

Physical

ParameterValue
Power Supply100 / 120 / 220 / 240 Vac (+5%, -10%), 48 - 440 Hz, < 10 VA
Operating Temperature0 to 55 °C
Dimensions (W×H×D)133 mm × 89 mm × 216 mm
Weight1.13 kg

Calibration & Output Characteristics

ParameterValue
Calibration Outputs3, 10, 30, 100, 300 µW and 1, 3, 10, 30, 100 mW
Calibration Uncertainty±0.25% in all ranges
DC Source Impedance650 Ω ±0.5%
Polarity SwitchNormal / Reverse (tests the power meter auto-zero circuit)
Output CableIntegrated 1.5 m (5 ft) cable with a 12-pin male connector

Compatibility

ParameterValue
Compatible Power MetersKeysight EPM, EPM-P, E1416A, 70100A, 435B, 436A, 437B, 438A

Power Requirements

ParameterValue
AC Line Voltage Settings100 V / 120 V / 220 V / 240 V (+5%, -10%)
Line Frequency Range48 to 440 Hz
Power Consumption< 10 VA
Voltage SelectionRear-panel slide switches for selecting nominal line voltage (100, 120, 220, or 240 VAC)

Environmental

ParameterValue
Storage Temperature Range-40 to 75 °C
Operating Relative Humidity95% R.H. at 40 °C
Operating AltitudeUp to 4,570 m (15,000 ft)
Storage AltitudeUp to 15,240 m (50,000 ft)

Physical Dimensions

ParameterValue
Width133 mm (5.25 in)
Height89 mm (3.5 in)
Depth216 mm (8.5 in)
Net Weight1.13 kg (2.5 lb)
Shipping Weight1.6 kg (3.5 lb)

Controls

ParameterValue
METER SELECT SwitchTwo positions: 435A/436A and 437A/438A (matches input impedance)
CALIBRATE/STANDBY SwitchToggles output signal on (Calibrate) and off (Standby)

Connectivity

ParameterValue
Integrated Cable Connector12-pin male connector (compatible with Agilent/HP 43X series power meters)

Physical Characteristics

ParameterValue
Output Cable Length1.5 m (5 ft)

Outputs

ParameterValue
Polarity SelectionPositive or Negative (selectable via rear-panel switch)

Functional Specifications

ParameterValue
Standby Mode FunctionDisconnects the calibration signal from the output connector

Inputs & Outputs

ParameterValue
Output Connector Pin Count12-pin male

Controls & Indicators

ParameterValue
Power SwitchFront-panel LINE push-button switch (On/Off)
Power IndicatorLED indicator for line power status

Applications

Power Meter Calibration and Verification