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Agilent Technologies 8480 Series Operating And Service Manual

Coaxial power sensors
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Agilent
8480 Series Coaxial
Power Sensors
Operating and
Service Manual
REPRODUCTION AND DISTRIBUTION OF
THIS TECHNICAL MANUAL IS AUTHORIZED
FOR GOVERNMENT PURPOSES
Agilent Technologies

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  • Page 1 Agilent 8480 Series Coaxial Power Sensors Operating and Service Manual REPRODUCTION AND DISTRIBUTION OF THIS TECHNICAL MANUAL IS AUTHORIZED FOR GOVERNMENT PURPOSES Agilent Technologies...
  • Page 3 Manual This Coaxial Power Sensors Operating and Service Manual for the Agilent Technologies 8480 Series Coaxial Power Sensors being delivered under U.S. Navy Contract Number N00104-07-R-DC10 has been modified to comply with the requirements of that contract. This manual coverrs the following power sensors:...
  • Page 4 Notice The information contained in this document is subject to change without notice. Agilent Technologies makes no warranty of any kind with regard to this material, including but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Agilent Technologies shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.
  • Page 5 Warranty A copy of the specific warranty terms applicable to your Agilent Technologies product can be obtained from your local Sales and Service Office. Manufacturer's Declaration This statement is provided to comply with the requirements of the German Sound Emission Directive, from 18 January 1991.

  • Page 7: Table Of Contents

    8480 series, B-models information........5...
  • Page 8 Contents Power Measurements ..........21 Modulation Effects .
  • Page 9 Contents FET Balance Adjustment ..........45 Equipment Required.
  • Page 10 Contents...

  • Page 11: Introduction

    Introduction This Operating and Service Manual contains information about initial inspection, performance tests, adjustments, operation, troubleshooting and repair of the Agilent 8480 Series Coaxial Power Sensors.

  • Page 12: General Information

    General Information Instruments Covered by Manual A serial number label is attached to the power sensor. The serial number has two parts: the prefix (two letters and the first four numbers), and the suffix (the last four numbers). Refer to the Example Serial Number shown in Figure 1-1. Figure 1-1 Example Serial Number The two letters identify the country in which the unit was manufactured.

  • Page 13: Description

    8480 series sensors include the E4418A, E4419A, 435B, 436A, 437B, 438A and 70100A MMS power meter. The 8480 series power sensors place a 50 ohm load on the RF or microwave source, except the 8483A which has a 75 ohm load. The power meter indicates the power dissipated in this load in mW or dBm.
  • Page 14 Figure 1-2 8480 Series Power Sensor Simplified Block Diagram Cable Balanced Chopper Power Sensing AC Signal Element Input Thermocouple Thermistor or Diode Feedback Autozero Chop Signal Chop Signal Figure 1-2 shows a basic power sensor block diagram for both thermocouple and diode power sensing elements.

  • Page 15: Dimensions

    38 mm wide, 30 mm high, 149 mm long (1.5 in. x 1.2 in. x 5.9 in) CAUTION Do not disassemble the power sensor. The 8480 series power sensors are static sensitive and can be easily damaged. 8480 series, B-models information The 25 W (+44 dBm) power sensor is a calibrated combination of a 30 dB, 25 W attenuator assembly and a sensor assembly.

  • Page 16: Safety Considerations

    Do not perform any operation on the beryllium oxide that might generate dust. Defective attenuator should be returned to Agilent Technologies for proper disposal. 8480 series, Options 8485A and 8485D option 033 The 8485A and 8485D power sensors with option 033 are calibrated to measure power levels in the 50 MHz to 33 GHz frequency range.

  • Page 17: 8483A 75 Ohm Sensor

    Figure 1-3 Mechanical Adapter (8483A Only) D-model 8480 series sensors (8481D, 8485D, 8485D-033 and 8487D) D-model sensors are supplied with a 11708A 30 dB attenuator. To calibrate a D-model sensor, the 1 mW 50 MHz Power Reference supplied by the power meter...

  • Page 18: Ghz And 33 Ghz Frequency Operation

    26.5 GHz and 33 GHz Frequency operation (8485A, 8485A-033, 8485D and 8485D-033) 8480 series sensors that operate up to 26.5 GHz and 33 GHz are fitted with APC-3.5mm (m) connectors as standard. To convert the APC-3.5mm (m) connector for calibration an adapter (APC-3.5 (f) to Type-N (m)) is included with the power sensors.

  • Page 19: 50 Ghz Frequency Operation (8487A And 8487D)

    8485A, 8485A-033, 8485D, 8485D-033 Sensor Accessories 50 GHz Frequency operation (8487A and 8487D) 8480 series sensors that operate up to 50 GHz are fitted with 2.4mm (m) connectors as standard. To convert the 2.4mm (m) connector for calibration, adapter (2.4mm (f) to Type-N (m)) is included with the power sensors (shown in Figure 1-5).

  • Page 20: Recommended Calibration Interval

    Warranty The 8480 series power sensors described in this manual are warranted and certified as indicated on the inside cover of this manual. Power sensors are warranted only when they are operated within their specifications, especially the maximum power handling capability.

  • Page 21: 8480 Series Power Sensor Specifications

    NOTE These specifications are valid with EPM and EPM-P Series of power meters. The 8480 series thermocouple and diode power sensors provide accuracy, stability, and SWR over a wide range of frequencies (100 kHz to 50 GHz) and power levels...
  • Page 22 Table 1-4 Root sum of squares (rss) uncertainty on the calibration factor data printed on the power sensor Freq (GHz) 8481A 8481B 8481H 8481D 8485A 8485D 8487A 8487D 26.5 34.5...
  • Page 23 Table 1-5 25 Watt sensors, 1 mW to 25 W (0 dBm to +44 dBm) Model Frequency Maximum SWR Power Maximum Power Connector Weight Range Type Linearity 8481B 10 MHz to 18 10 MHz to +35 dBm to 0°C to 35°C: 30W Type-N(m) Net: 0.8 kg 2 GHz: 1.10...
  • Page 24 Table 1-7 100 mW sensors, 1 µW to 100 mW (–30 dBm to +20 dBm) Model Frequency Maximum SWR Power Maximum Power Connector Weight Range Type Linearity 8485A 50 MHz to 50 MHz to 100 +10 dBm to +20 300 mW avg, APC - Net: 0.2 kg MHz: 1.15...
  • Page 25 Table 1-7 100 mW sensors, 1 µW to 100 mW (–30 dBm to +20 dBm) Model Frequency Maximum SWR Power Maximum Power Connector Weight Range Type Linearity 8483A 100 kHz to 100 kHz to 600 +10 dBm to +20 300 mW avg, 10W Type-N(m) Net: 0.2 kg (0.38 kHz: 1.80...
  • Page 26 Table 1-8 High sensitivity sensors, 100 pW to 10 µW (–70 dBm to –20 dBm) Power Model Frequency Maximum SWR Maximum Connector Weight Range Power Type Linearity 10 MHz to 18 10 MHz to 30 MHz: -30 dBm to 100 mW avg, Type-N (m) Net: 0.16 kg 8481D...
  • Page 27 Table 1-8 High sensitivity sensors, 100 pW to 10 µW (–70 dBm to –20 dBm) Power Model Frequency Maximum SWR Maximum Connector Weight Range Power Type Linearity 50 MHz to 50 50 MHz to -30 dBm to -20 100 mW avg, 2.4 mm (m) Net: 0.2 kg 8487D...

  • Page 28: Supplemental Characteristics

    Supplemental Characteristics Supplemental characteristics are intended to provide additional information, useful in applying the power sensor by giving typical (expected) but not warranted performance parameters. Figure 1-6 Typical CAL FACTOR and SWR vs. Frequency Frequency (GHz)

  • Page 29: Installation

    If there is mechanical damage or if the instrument does not pass the performance tests, notify the nearest Agilent Technologies office. Keep the damaged shipping materials (if any) for inspection by the carrier and an Agilent Technologies representative.

  • Page 30: Operation

    Operation Environment The operating environment for the Power Sensor should be as follows: Temperature 0 to +55 Relative humidity <95% Altitude < 4,572 metres (15,000 ft.) Operating Precautions Before the Power Sensor is connected, the following precautions must be observed. WARNING BEFORE CONNECTING THE POWER SENSOR TO ANOTHER INSTRUMENT, ensure that the instrument and power meter are connected to...

  • Page 31: Operating Instructions

    Figure 1-7 Typical Influence of Temperature on Sensitivity Temperature ( -0.5 -1.0 Operating Instructions To operate the Power Sensor, refer to the operating instructions in of the power meter’s user’s guide. Power Measurements To correct for varying responses at different frequencies a cal factor table is included on the Power Sensors.

  • Page 33: General Information

    General Information This chapter contains information about recommended equipment, performance tests, and replacement parts of the Agilent Coaxial Power Sensors.

  • Page 34: Recommended Test Equipment

    Recommended Test Equipment Table 2-1 lists the test equipment recommended to check, adjust, and troubleshoot the Power Sensor. If substitute equipment is used, it must meet or exceed the critical specifications to be used in place of the recommended instruments for servicing the Power Sensor.

  • Page 35: Connector Care

    Torque For operation to 18 GHz, the newer 8480 series power sensors have a Type-N hex nut for tightening to the device-under-test or the power meter's 1 mW Power Reference. Older 8480 series power sensors have a knurled portion on the connector.

  • Page 36: Performance Test

    Performance Test Standing Wave Ratio (SWR) and Reflection Coefficient (Rho) Performance Test This section does not provide a preset test procedure since there are several test methods and different equipment available to make these measurements. Therefore, when measuring this specification, the actual accuracy of the test equipment must be taken into account in order to determine the pass/fail condition.
  • Page 37 Table 2-2 Power Sensor SWR and Reflection Coefficient Frequency Maximum System SWR Performance Actual Uncertainty Limit (Rho - Measurement (Reflection System Rho Coefficient) Uncertainty) 100 kHz to 600 kHz < 1.80 (0.286) 600 kHz to 2 GHz < 1.18 (0.083) 8485A 50 to 100 MHz <...
  • Page 38 Table 2-2 Power Sensor SWR and Reflection Coefficient Frequency Maximum System SWR Performance Actual Uncertainty Limit (Rho - Measurement (Reflection System Rho Coefficient) Uncertainty) 10 MHz to 2 GHz < 1.10 (0.048) 2 to 12.4 GHz < 1.18 (0.083) 12.4 to 18 GHz <...
  • Page 39 Table 2-2 Power Sensor SWR and Reflection Coefficient Frequency Maximum System SWR Performance Actual Uncertainty Limit (Rho - Measurement (Reflection System Rho Coefficient) Uncertainty) 50 to 100 MHz < 1.19 (0.085) 0.1 to 4 GHz < 1.15 (0.070) 4 to 12 GHz <...

  • Page 40: Replaceable Parts

    Replaceable Parts Table 2-3 to Table 2-8 are a list of replaceable parts. Figure 2-1 illustrates the major parts. To order a part listed in Table 2-3 to Table 2-8, contact your nearest Agilent Technologies Sales and Service Office. Figure 2-1 Illustrated Major Parts Breakdown...
  • Page 41 Table 2-3 Bulkhead Assembly Model Reference Part Number Description Designator 8481A 08481-60004 Bulkhead Assembly, Type N 8481A Opt 001 08481-60005 Bulkhead Assembly, Type APC-7 8482A 08482-60003 Bulkhead Assembly, Type N 8483A 08483-60003 Bulkhead Assembly, Type N 8485A 08485-60007 Bulkhead Assembly, 3.5mm 8485A Opt 033 08485-60011 Bulkhead Assembly, 3.5mm...
  • Page 42 Table 2-4 Power Sensor Board Assemblies Model Reference Part Number Description Designator 848xA 5061-0982 Power Sensor Board Assembly 8481B/8482B 08481-60039 Power Sensor Board Assembly 8481D/8485D/8487D 5061-0983 Power Sensor Board Assembly 8481H/8482H 08481-60040 Power Sensor Board Assembly Table 2-5 Common Chassis Components Reference Designator Part Number Description...
  • Page 43 Table 2-6 Adapters and Attenuators Model Part Number Description 8483A 1250-0597 50 Ohm to 75 Ohm Coax Adapter 8485A/8485D 08485-60005 3.5mm to N(m) Coax Adapter 8487A/8487D 08487-60001 2.4mm to N(m) Coax Adapter 8481B 08498-60001 Coaxial Fixed 30dB Attenuator 8482B 08498-60010 Coaxial Fixed 30dB Attenuator 8481D/8485D/8487D 11708-60001...
  • Page 44 Table 2-8 Miscellaneous Labels Part Number Description 08481-80115 Cal Label (Blank) - For Zebra brand printers 08486-80006 Cal Label (Blank) - For impact printers 08481-80005 Mylar Overlay - For use with Cal Label 08486-80006 08486-80005 Side Label - Agilent Branding 7121-2422 Side Label - Caution (For all models except 8487A/8487D) 08487-80002...

  • Page 45: Service

    Service This Service chapter contains information about principles of operation, troubleshooting, and repair of the Agilent Coaxial Power Sensors.

  • Page 46: Principles Of Operation

    Principles of Operation Thermocouple Sensors The A1 Bulkhead Assembly presents a 50 Ohm load (75 Ohm for model 8483A) to the RF source. The RF signal is coupled through a dc blocking capacitor and absorbed by the thermocouples, generating a dc voltage proportional to the RF input power. The dc voltage is routed from the thermocouples to the input amplifier via gold wires reducing unwanted thermocouple effects.

  • Page 47: Diode Sensors

    Diode Sensors The A1 Bulkhead Assembly presents a 50 Ohm load to the RF source. A diode assembly in the bulkhead rectifies the applied RF to produce a dc voltage that varies with the square of the RF power across the 50 Ohm load. Thus the voltage varies with the RF power dissipated in the load.
  • Page 48 Figure 3-1 Schematic Diagram...

  • Page 49: Troubleshooting

    Troubleshooting Troubleshooting information is intended to first isolate the Power Sensor or the Power Meter as the defective component. When the Power Sensor is isolated, troubleshooting information is intended to identify the A1 Bulkhead Assembly or the A2 Power Sensor Board Assembly as the defective component. Before you open the Power Sensor to continue with the troubleshooting procedures, try the substitution method of elimination.

  • Page 50: Troubleshooting - Eliminating The Power Meter And Sensor Cable

    signal. Check the following levels of the square wave with an oscilloscope. • At the black/white wire: -0.05 ± 0.05 Vdc (top of square wave). • At the brown/white wire: -9Vdc (bottom of square wave). If the levels are incorrect, then the power meter or sensor cable is at fault. Refer to the power meter service manual for troubleshooting information.

  • Page 51: A1 Bulkhead (Diode Sensors)

    Table 3-1 Bulkhead Assembly Resistance Model Measured Resistance 8481A, 8481B, 8481H, 8485A, 8487A: 200 Ohms ± 10 Ohms 8482A, 8482B, 8482H: 245 Ohms ± 12.5 Ohms 8483A: 375 Ohms ± 17.5 Ohms If the resistance value is incorrect (failure is usually indicated by an open circuit), then the A1 Bulkhead Assembly is defective.
  • Page 52 In most cases, the operational amplifier (made up of A2Q1 and the first amplifier of the power meter,) is operating correctly if the dc voltage on the metal cover of A2Q1 (collector) is -70 ±30 mV dc.

  • Page 53: Repair

    Repair Power Sensor repair consists of replacing either the A1 Bulkhead Assembly, or the A2 Power Sensor Board Assembly. A1 Bulkhead Assembly Repair Strategy The recommended repair strategy for the A1 Bulkhead Assembly is to completely replace it. The replacement Bulkhead is calibrated at the factory, and is supplied with a calibration report and a new calibration sticker for the Power Sensor.

  • Page 54: A2 Power Sensor Board Assembly

    A2 Power Sensor Board Assembly Repair Strategy The recommended repair strategy for the A2 Power Sensor Board Assembly is to completely replace it. Replacing this assembly is usually less costly than the time it takes to troubleshoot and replace faulty components. Procedure When replacing the A2 Power Sensor Board Assembly, some soldering is required in order to remove and replace the wires from connector J1.

  • Page 55: Fet Balance Adjustment

    FET Balance Adjustment The FET balance adjustment should be performed if the wires connecting J1 (the sensor cable connector) to A2 (the power sensor board assembly) have been moved. If you have replaced A2 assembly or moved the wires during troubleshooting you need to perform this adjustment.

  • Page 56: Fet Balance Procedure

    FET Balance Procedure Step 1. Set the Power Meter as follows: CAL FACTOR 100% POWER REF Step 2. Connect the HIGH GAIN OUTPUT on the modified Power Meter to CHANNEL 1 on the Oscilloscope and set it up as follows: POSITION 0 Volts (centered) COUPLING...
  • Page 57 Step 4. Connect the Power Sensor to channel A of the Power Meter. NOTE Heat can affect the adjustments so handle the sensor as little as possible. Step 5. Adjust the black/white and brown/white wires until the waveform shown on the oscilloscope is similar to that shown in Figure 3-2.
  • Page 58 Figure 3-3 Example of an Unacceptable Waveform You will find that positioning the wire for switching transients affects the offset. Go back and forth between the two wires, positioning and repositioning, until both adjustments are deemed acceptable. Step 7. Reassemble the Power Sensor, ensuring that the waveform shown on the oscilloscope does not change.

  • Page 59: Disassembly / Reassembly Procedures

    Disassembly / Reassembly Procedures Disassembly Procedure Disassemble the Power Sensor by performing the following steps: CAUTION Disassembly must be performed in sequence described in the following procedure, otherwise damage may be caused to the two gold wires between the bulkhead assembly and the Power Sensor Board Assembly.
  • Page 60 Figure 3-4 Removing the Power Sensor’s Cover Step 2. At the other side of the sensor, again pry the cover shell sections apart. Remove the shells and the inner magnetic shields. Step 3. Position the Power Sensor as shown in Figure 3-5 (top). The small hole 5 should be on the left side of the RF input connector.

  • Page 61: Reassembly Procedures

    Figure 3-5 Power Sensor Hardware Locations Reassembly Procedures CAUTION The gold wires connecting the A1 Bulkhead Assembly and the A2 Power Sensor Board Assembly are extremely delicate and may be easily broken. Be careful when working around them. Step 1. Set the printed circuit board and connector into place as shown in Figure 3-5, bottom view.
  • Page 62 Step 2. Insert cap screws 8, 9, 11, 12, 14, and 15 but do not tighten. Step 3. Center the circuit board so there is equal air gap between each side and the chassis. Tighten 8, 9, 14, and 15. Step 4.

  • Page 63: Epm Series Power Meter (E4418B) Modification

    EPM Series Power Meter (E4418B) Modification This Appendix describes the modification procedure for adapting an E4418B Power Meter to allow it to be used for the 8480 Series Power Sensor FET Balance Adjustment.

  • Page 64: The Material And Tools Required

    The Material and Tools Required The following material and tools are required for this modification: • A T-15 torque screwdriver. • A Razor blade or Craft Knife. • Three 30 cm lengths of AWG 20 single core wire. • Three screw-fit BNC Female connectors (Agilent Part Number 1250-0118).

  • Page 65: Modification Procedure

    Modification Procedure CAUTION Precautions must be taken to protect the Power Meter’s PCBs from Electrical Static Damage (ESD). Step 1. Using the T-15 torque screwdriver, remove the two screws shown in Figure A-1. Figure A-1 Remove these 2 screws...
  • Page 66 Step 2. Remove the power meter handle. To remove the handle, pull the 2 ends as shown in Figure A-2. Figure A-2 Pull Pull Step 3. Remove the power meter cover. To remove the cover, slide it open as shown in Figure A-3.
  • Page 67 Step 4. Figure A-4 shows the power meter with its cover removed. Figure A-4 Step 5. Use the razor blade or craft knife to remove three hole plugs in the rear panel, as shown in Figure A-5. Figure A-5...
  • Page 68 Step 6. Figure A-6 shows a different view of the holes in the rear panel. Figure A-6 Step 7. Using the three lengths of AWG 20 wire, strip away 2cm from each end of the wires. Solder an end of each wire onto the screw-fit BNC female connectors, as shown in Figure A-7.
  • Page 69 Step 8. Securely fit the three BNC connectors into the three holes in the rear panel, as shown in Figure A-8. Use the 25 lb/in torque wrench to tighten the nuts. Figure A-8 Step 9. The Measurement PCB (A6) must now be modified. The call outs in Figure A-9 show where the three wires need to be soldered.
  • Page 70 Step 10. Figure A-10 shows a different view of the modified Measurement PCB. Figure A-10 Low Gain Output High Gain Output Chop Output Step 11. Label each of the BNC connectors using the permanent marker and adhesive labels, as shown in Figure A-11. Refit the cover, handle, and the rear bumper to the power meter.

  • Page 71: Bulkhead Assemblies

    Bulkhead Assemblies This Appendix contains the material lists and exploded graphics of the Bulkhead Assemblies.

  • Page 72: Bulkhead Parts Lists

    Bulkhead Parts Lists Table B-1 Bulkhead Parts for the 8481A, 8481B, 8482B, and 8482B Models Reference Part Description Sensor Model Designator 8481A 8481A 8482A 8481B Opt 001 8482B Connector Nut 5021-7255 5021-7255 Connector Component 1250-0016 1250-0016 Connector Body 1250-2132 1250-1466 1250-2132 Contact Assembly 1250-0917...
  • Page 73 Table B-2 Bulkhead Parts for the 8481D Model Reference Part Description Sensor Model Designator 8481D Connector Nut 5021-7255 Connector Component 1250-0016 Connector Body 1250-2132 Contact Assembly 1250-0917 Insulator 5040-0306 Center Conductor - Cartridge Adapter 5020-3296 Compression Spring 1460-0977 Sliding Contact 5020-3297 Adapter Connector 08481-20034...
  • Page 74 Table B-3 Bulkhead Parts for the 8481H and 8482H Models Reference Part Description Sensor Model Designator 8481H 8482H Connector Nut 5021-7255 5021-7255 Connector Component 1250-0016 1250-0016 Connector Body 1250-2132 1250-2132 Contact Assembly 1250-0917 1250-0917 Insulator 5040-0306 5040-0306 Center Conductor - Cartridge Adapter 5020-3296 5020-3296 Compression Spring...
  • Page 75 Table B-3 Bulkhead Parts for the 8481H and 8482H Models Reference Part Description Sensor Model Designator 8481H 8482H MP25 Inner Conductor Spacer 5020-8540 or 08742-0005 5020-8540 or 08742-0005 MP26 Flat Washer 2190-0831 or 3050-0622 Cartridge 08481-60042 08482-60019 Cartridge Assembly 08481-60011 08481-60011...
  • Page 76 Table B-4 Bulkhead Parts for the 8483A Model Reference Part Description Sensor Model Designator 8483A Connector Nut 5021-7255 Connector Component 1250-0016 Connector Body 1250-2132 Center Conductor, 75 Ohm 08483-20003 Insulator 5020-8593 Center Contact, 75 Ohm 08483-20002 Compression Spring 1460-0526 Sliding Contact 08491-2009 Bulkhead 08481-20015...
  • Page 77 Table B-5 Bulkhead Parts for the 8485A and 8485D Models Reference Part Description Sensor Model Designator 8485A 8485D 8485A Opt 033 8485D Opt 033 Connector Nut 08485-20005 08485-20005 Connector Component 1250-0016 1250-0016 Bulkhead 08485-20011 08485-20011 Outer External Coax 5021-7092 5021-7092 Outer Conductor Spacer 00281-20046 00281-20046...
  • Page 78 Table B-6 Bulkhead Parts for the 8487A and 8487D Models Reference Part Description Sensor Model Designator 8487A 8487D Connector Nut 5021-7081 5021-7081 Connector Component 1250-0016 1250-0016 Bulkhead 08487-20001 08487-20001 Outer External Coax 08487-20002 08487-20002 Pin Depth Washer 08487-00001 08487-00001 Center Contact 1250-2115 1250-2115 Bead Ring Assembly...

  • Page 79: Bulkhead Exploded Graphics

    Bulkhead Exploded Graphics Figure B-1 8481A and 8481B...
  • Page 80 Figure B-2 8481A Option 001...
  • Page 81 Figure B-3 8482A and 8482B...
  • Page 82 Figure B-4 8481D...
  • Page 83 Figure B-5 8481H and 8482H...
  • Page 84 Figure B-6 8483A...
  • Page 85 Figure B-7 8485A, 8485A Opt 033, 8485D, and 8485D Opt 033...
  • Page 86 Figure B-8 8487A and 8487D...
  • Page 88 (tel) (65) 6375 8100 (fax) (65) 6755 0042 Or visit Agilent worlwide Web at: www.agilent.com/find/assist Product specifications and descriptions in this document are subject to change without notice. © Agilent Technologies, Inc. 2007 Printed in Malaysia First Edition, August, 2007 08481-90174 Agilent Technologies...

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