Agilent Technologies 1146B User Manual
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Agilent Technologies 1146B User Manual

Agilent Technologies 1146B User Manual

Ac/dc current probe
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Agilent 1146B
AC/DC Current Probe
User's Guide

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Summary of Contents for Agilent Technologies 1146B

  • Page 1 Agilent 1146B AC/DC Current Probe User’s Guide...

  • Page 2: Safety Notices

    Before applying ment and written consent from Agilent Technologies, Inc. power, verify that the correct safety precautions are taken as governed by United States and international copyright (see the following warnings).

  • Page 3: Table Of Contents

    Contents Contents Operation Before Using the Probe To Install the Battery To Perform a Current Measurement To Clean the Probe Product Markings Safety Specifications Characteristics Safety Standards Typical Response Curves Performance Verification If the Probe Fails a Test Test 1. DC Current Measurement Accuracy (10 mV/A range) Test 2.

  • Page 4: Operation

    AC and DC signals. The probe connects directly to an oscilloscope through a 2 meter coaxial cable with an insulated BNC. The 1146B probe is compatible with any analog or digital oscilloscope or other voltage measuring instrument which has the following features: ■...
  • Page 5 Operation Figure 1 Control and Connector Identification Zero-Adjust Knob. Use the zero adjust knob to eliminate the probe’s offset before performing a measurement. Battery Power Indicator. To ensure proper readings with your current probe, be sure that the green battery indicator is lit during measurement.

  • Page 6: To Install The Battery

    Operation To Install the Battery Before using the probe for the first time, you must install the battery. When the probe is turned on, the green battery indication LED should light up. If not, replace the battery. Disconnect the probe from the circuit and the oscilloscope. WARNING Do not replace the battery while probe is in use.

  • Page 7: To Clean The Probe

    Product Markings To Clean the Probe Remove the probe from any circuit under test and from the oscilloscope. Clean the external surfaces of the probe with a soft cloth dampened with a mixture of mild detergent and water. Clean the mating surfaces of the probe’s jaws so that they are free of dirt or foreign matter.

  • Page 8: Safety

    Safety Safety This manual provides information and warnings essential for operating this probe in a safe manner and for maintaining it in safe operating condition. Before using this equipment and to ensure safe operation and to obtain maximum performance from the probe, carefully read and observe the following warnings, cautions, and notes.
  • Page 9 Safety WARNING Do not operate the probe or oscilloscope in the presence of flammable gasses or fumes. Operation of any electrical instrument in such an environment constitutes a definite safety hazard. WARNING Do not use the probe or oscilloscope in a manner not specified by the manufacturer.

  • Page 10: Specifications

    Specifications Specifications All probe specifications are warranted based on the following conditions: ■ Within one year of calibration ■ 23° C ±5° C ■ 20% to 75% relative humitidy ■ Probe zeroed ■ 1 minute warm up ■ Battery at 9V ± 0.1V ■...
  • Page 11 Characteristics ■ External magnetic field < 40 A/m ■ No adjacent current carrying conductor ■ 1 MΩ /100 pF probe termination ■ Conductor centered in jaw Table 2 Characteristics 100 mV/A 10 mV/A Item Sensitivity Setting Sensitivity Setting Current Measurement Range 0A to 10A dc or peak ac 0A to 100A dc or peak ac Phase Shift (DC to 1 kHz,...

  • Page 12: Safety Standards

    Characteristics Table 3 Environmental and Mechanical Characteristics (Sheet 2 of 2) Item Characteristic Vibration Tested per IEC 68-2-6, frequency range 10 Hz to 55 Hz, amplitude 0.15 mm Handle Lexan 920A, UL 94 V2 Dimensions 231 mm x 36 mm x 67 mm Weight 330 g (11.6 oz) with battery Color...

  • Page 13: Typical Response Curves

    Characteristics Typical Response Curves Figure 2 Typical Frequency Response Curve Figure 3 Typical Phase Shift Response Curve...
  • Page 14 Characteristics Accuracy Figure 4 Linearity for a DC Signal Range 10 mV/A...

  • Page 15: Performance Verification

    Performance Verification Performance Verification To ensure that the probe complies with the factory specifications, perform the six tests in this section in the order listed. Connect the required equipment listed in Table 5 as shown in Figure 6 on page NOTE Allow 30 minutes for warm up before starting the tests.

  • Page 16: If The Probe Fails A Test

    Performance Verification Figure 6 Equipement Setup If the Probe Fails a Test Replace the battery. Verify that the battery voltage is 9V ±0.1V. Ensure that: ■ The probe's magnetic contact surfaces are clean ■ The probe tip closes completely around the coil's conductors ■...

  • Page 17: Test 1. Dc Current Measurement Accuracy (10 Mv/A Range)

    Performance Verification Test 1. DC Current Measurement Accuracy (10 mV/A range) Configure the instruments as follows: DMM 1: ........... . . DC Amps DMM 2: .

  • Page 18: Test 2. Ac Current Measurement Accuracy (10 Mv/A Range)

    Performance Verification Table 6 DC Current Measurement Accuracy Record (10 mV/A range) Measurement Recorded Value Probe Zero Offset Voltage (V Current in Coil (I Probe Output Voltage (V PROBE Calculate Maximum Probe Output Voltage As: = (I * 10 * 10 m V/A * 1.04) + V PROBEMAX Calculate Minimum Probe Output Voltage As: = (I...

  • Page 19: Test 3. Bandwidth (10 Mv/A Range)

    Performance Verification Table 7 AC Current Measurement Accuracy Record (10 mV/A range) Measurement Recorded Value Current in Coil (I Probe Output Voltage (V PROBE Calculate Maximum Probe Output Voltage As: = (I * 10 * 10 mV/A * 1.04) ROBEMAX Calculate Minimum Probe Output Voltage As: = (I * 10 * 10 mV/A * 0.96)

  • Page 20: Test 4. Dc Current Measurement Accuracy (100 Mv/A Range)

    Performance Verification Test 4. DC Current Measurement Accuracy (100 mV/A range) Configure the instruments as follows: DMM 1: ........... . DC Amps DMM 2: .

  • Page 21: Test 5. Ac Current Measurement Accuracy (100 Mv/A Range)

    Performance Verification Table 9 DC Current Measurement Accuracy Record (100 mV/A range) Measurement Recorded Value Probe Zero Offset Voltage (V Current in Coil (I Probe Output Voltage (V PROBE Calculate Maximum Probe Output Voltage As: = (I * 10 * 100 mV/A * 1.03) + V PROBEMAX Calculate Minimum Probe Output Voltage As: = (I...

  • Page 22: Test 6. Bandwidth Check (100 Mv/A Range)

    Performance Verification Table 10 AC Current Measurement Accuracy Record (100 mV/A range) Measurement Recorded Value Current in Coil (I Probe Output Voltage (V PROBE Calculate Maximum Probe Output Voltage As: = (I * 10 * 100 mV/A * 1.03) ROBEMAX Calculate Minimum Probe Output Voltage As: = (I * 10 * 100 mV/A * 0.97)
  • Page 23 Index Index Numerics 10 mV/A , Peak Overload (OL) Indicator , 100 mV/A , peak ratings , 10-turn coil , probe, cleaning , battery range selection switch , indicator , red indicator light , installation , typical life , battery power indicator , safety , battery, installing , safety warnings ,...
  • Page 24 *01146-92005* Agilent Technologies Manual Part Number: 01146-92005 Printed in Malaysia...

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