Table of Contents
Advertisement
Quick Links
Download this manual
See also:
User Manual
Advertisement
Table of Contents
Related Manuals for Keysight U1190A Series
Summary of Contents for Keysight U1190A Series
- Page 1 Keysight U1190A Series Handheld Clamp Meter Service Guide...
- Page 2 Printed in Malaysia forth therein, does not require or CONTAINED HEREIN. SHOULD Published by: permit, among other things, that KEYSIGHT AND THE USER HAVE A Keysight: (1) Furnish technical SEPARATE WRITTEN AGREEMENT Keysight Technologies information related to commercial WITH WARRANTY TERMS COVERING...
-
Page 3: Safety Symbols
600 A Equipment protected throughout by CAT III Category III 600 V overvoltage double insulation or reinforced 600 V protection insulation CAT IV Category IV 300 V overvoltage Caution, risk of electric shock 300 V protection Keysight U1190A Series Service Guide... -
Page 4: Safety Considerations
Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards for design, manufacture, and intended use of the instrument. Keysight Technologies assumes no liability for the customer’s failure to comply with these requirements. - Page 5 – Individual protective equipment must be used if hazardous live parts in the installation are accessible where measurement is to be carried out. – The tactile indicator, or barrier, indicates the limit of safe access of the handheld part. Keysight U1190A Series Service Guide...
-
Page 6: Measurement Category
Measurement Category The U1190A Series has a safety rating of CAT III, 600 V and CAT IV, 300 V. Measurement CAT I Measurements performed on circuits not directly connected to the AC mains. Examples are measurements on circuits not derived from the AC mains and specially protected (internal) mains-derived circuits. -
Page 7: Environmental Conditions
–40 °C to 60 °C, 40% to 80% RH (without batteries) Altitude Up to 2000 meters Pollution degree Pollution Degree 2 The U1190A Series Handheld Clamp Meter complies with the following safety NOTE and EMC requirements: – IEC 61010-1:2001/EN 61010-1:2001 – IEC 61010-2-032:2002/EN 61010-2-032:2002 –... -
Page 8: Regulatory Markings
The CSA mark is a registered substance elements are expected to trademark of the Canadian Standards leak or deteriorate during normal use. Association. Forty years is the expected useful life of the product. Keysight U1190A Series Service Guide... -
Page 9: Waste Electrical And Electronic Equipment (Weee) Directive 2002/96/Ec
To return this unwanted instrument, contact your nearest Keysight Service Center, or visit http://about.keysight.com/en/companyinfo/environment/takeback.shtml for more information. Sales and Technical Support To contact Keysight for sales and technical support, refer to the support links on the following Keysight websites: – www.keysight.com/find/handhelddmm (product-specific information and support, software and documentation updates) –... - Page 10 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U1190A Series Service Guide...
-
Page 11: Table Of Contents
Exiting the adjustment mode .......40 Keysight U1190A Series Service Guide... - Page 12 ....... . 45 Obtaining Repair Service (Worldwide) ......46 Keysight U1190A Series Service Guide...
-
Page 13: Keysight U1190A Series Service Guide
........38 Keysight U1190A Series Service Guide... - Page 14 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U1190A Series Service Guide...
- Page 15 ....39 Table 2-1 Operating checklist ......42 Keysight U1190A Series Service Guide...
- Page 16 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U1190A Series Service Guide...
- Page 17 Keysight U1190A Series Handheld Clamp Meter Service Guide Calibration Procedures Keysight Calibration Services Recommended Test Equipment Basic Operating Test Calibration Process Test Considerations Functional Tests Performance Verification Tests Using the Front Panel for Adjustments This chapter contains procedures for verifying the instrument performance, as...
-
Page 18: Calibration Procedures
Calibration Procedures Keysight Calibration Services When your instrument is due for calibration, contact your local Keysight Service Center for recalibration. See “Types of Service Available” on page 45 for more information on the various calibration services offered. Closed-case calibration The U1191A, U1192A, and U1193A handheld clamp meter features a closed-case electronic calibration. -
Page 19: Calibration Interval
Accuracy specifications are warranted only if calibration is performed at regular intervals. Accuracy specifications are not warranted beyond the one-year calibration interval. Keysight does not recommend extending calibration intervals beyond two years for any application. Other recommendations for calibration Specifications are only guaranteed within the specified period from the last calibration. -
Page 20: Recommended Test Equipment
<20% of the instrument accuracy specification Diode Fluke 5520A <20% of the instrument accuracy specification Temperature Fluke 5520A <20% of the instrument accuracy specification Short Shorting plug — a dual banana plug with a copper wire shorting the two terminals Keysight U1190A Series Service Guide... -
Page 21: Basic Operating Test
Press and hold the key for more than 1 second. Check that the LED flashlight is turned on. Press and hold the key for more than 1 second again to turn the LED flashlight off. Keysight U1190A Series Service Guide... -
Page 22: Display Test
To exit this mode, please wait 10 seconds for the clamp meter to return to normal operation. Alternatively, you may cycle the clamp meter’s power. The clamp meter will return to normal operation when it is turned on again. Figure 1-1 LCD display screen Keysight U1190A Series Service Guide... -
Page 23: Calibration Process
34. 5 Perform the adjustment procedure; see “Adjustment procedure” on page 35. 6 Ensure that the clamp meter is not in the adjustment mode and is turned off; “Exiting the adjustment mode” on page 40. Keysight U1190A Series Service Guide... -
Page 24: Test Considerations
– The instrument should be in the laboratory environment for at least 1 hour prior. – Allow a warm-up period of 3 minutes. – Use shielded twisted-pair PTFE-insulated cables to reduce settling and noise errors. Keep the input cables as short as possible. Keysight U1190A Series Service Guide... -
Page 25: Functional Tests
– It may be necessary to slightly adjust the clamp meter’s position for maximum signal strength, in order to get the clamp meter’s beeper to sound continuously. Do not touch the dual banana plug with your hand while the calibrator CAUTION output is turned on. Keysight U1190A Series Service Guide... - Page 26 Press to switch to Lo.SE. Lo.SE 24 V, 60 Hz Alert on 4 Adjustment or repair is required if the clamp meter fails any of the Vsense functional tests. See “Close-case adjustment” on page 39. Keysight U1190A Series Service Guide...
-
Page 27: Table 1-5 Table
37. Table 1-3 DC current offset test Step Test function Range Reference input value Error limit DC current 40 A 0.00 A ±0.10 A [a] Specified after the Null function is turned on. Keysight U1190A Series Service Guide... - Page 28 5 Slowly move the clamp meter so that the conductor is in position 1 as shown in the figure on the next page. Ensure that the conductor position is close to the top of the jaw. Keysight U1190A Series Service Guide...
-
Page 29: Table 1-7 Table
9 Calculate the difference between the readings at position 0 and position 1, and the difference between the readings at position 0 and position 2. Check if the difference falls within the specified error limits in Table 1-4. Adjustment is required if the clamp meter fails this test. Keysight U1190A Series Service Guide... -
Page 30: Ac Current Balancing Test
Current performance verification test setup Table 1-4 AC current balancing test Fluke 5520A output used Step Test function Reference input value Error limit with Fluke 5500A/COIL AC current 2 A, 60 Hz 100.0 A, 60 Hz ±1.0 A Keysight U1190A Series Service Guide... -
Page 31: Performance Verification Tests
Use the performance verification tests to verify the measurement performance of the instrument. The performance verification tests use the instrument's specifications listed in the U1190A Series User's Guide (available for download at www.keysight.com/find/hhTechLib). The performance verification tests are recommended as acceptance tests when you first receive the instrument. - Page 32 Capacitance 600 μF 600 μF ±12.4 μF ±12.4 μF ±12.4 μF Turn the rotary switch 6 mF 6 mF ±0.124 mF ±0.124 mF ±0.124 mF to the position, and press the once. Keysight U1190A Series Service Guide...
- Page 33 60 μA, 500 Hz ±0.65 μA position, and 600 μA 600 μA, 45 Hz ±6.5 μA press the key until 600 μA, 500 Hz ±6.5 μA is shown on the display. Keysight U1190A Series Service Guide...
-
Page 34: Using The Front Panel For Adjustments
4 Consider the thermal effects as you are connecting the test leads to the calibrator and handheld clamp meter. Keysight recommends you to wait for 1 minute before you begin the calibration after connecting the test leads. -
Page 35: Adjustment Procedure
If the Auto annunciator is not flashing, repeat step 1. If the error persists, please NOTE contact your nearest Keysight Service Center. 2 Turn the rotary switch to the respective test function position as shown in the adjustment input values table (Table 1-8). - Page 36 6 Verify the adjustments using the “Performance Verification Tests” on page 31. While in the adjustment mode, turn the rotary switch to the OFF position to exit NOTE the adjustment mode. Keysight U1190A Series Service Guide...
-
Page 37: Valid Adjustment Input Values
1-4) until the error is within the limit. 400 A 100.0 A, 60 Hz 0.2 A VR103 AC current balancing test [b] Adjust the VR103 adjustment point (see Figure 1-4) until the error is within the limit. Keysight U1190A Series Service Guide... -
Page 38: Figure 1-4 Location Of Vr101 And Vr102, And Vr103 Adjustment Points
Calibration Procedures VR101 VR102 VR103 Figure 1-4 Location of VR101 and VR102, and VR103 adjustment points Keysight U1190A Series Service Guide... -
Page 39: Close-Case Adjustment Inputs
0.9 to 1.1 × Reference value ✔ ✔ ✔ ✔ Diode 1.000 V 0.9 to 1.1 × Reference value ✔ ✔ ✔ ✔ Capacitance 1.000 mF 0.9 to 1.1 × Reference value ✔ ✔ ✔ Keysight U1190A Series Service Guide... -
Page 40: Exiting The Adjustment Mode
9 V, 60 Hz ✔ ✔ ✔ (Hi.SE) Vsense 27 V, 60 Hz ✔ ✔ ✔ (Lo.SE) Exiting the adjustment mode 1 Remove all the shorting plugs and connectors from the instrument. 2 Power off and on again. Keysight U1190A Series Service Guide... - Page 41 Keysight U1190A Series Handheld Clamp Meter Service Guide Service and Maintenance Troubleshooting Returning the Instrument for Service Replaceable Parts Types of Service Available Obtaining Repair Service (Worldwide) This chapter will help you troubleshoot a failing instrument. It also describes how...
-
Page 42: Service And Maintenance
Setup mode. 1 second. No continuity visual alert (flashing backlight when ✔ Verify that the continuity visual alert is enabled in the clamp measuring less than the threshold resistance) meter’s Setup mode. Keysight U1190A Series Service Guide... -
Page 43: Returning The Instrument For Service
Returning the Instrument for Service Before shipping your instrument for repair or replacement, Keysight recommends that you acquire the shipping instructions from the Keysight Technologies Service Center. A clear understanding of the shipping instructions is necessary to secure your product for shipment. -
Page 44: Replaceable Parts
To order replaceable parts from Keysight, do the following: 1 Contact your nearest Keysight Sales Office or Service Center. 2 Identify the parts by the Keysight part number shown in the support parts list. 3 Provide the instrument model number and serial number. -
Page 45: Types Of Service Available
Service and Maintenance Types of Service Available If your instrument fails during the warranty period, Keysight Technologies will repair or replace it under the terms of your warranty. Extended service contracts Many Keysight products are available with optional service contracts that extend the covered period after the standard warranty expires. -
Page 46: Obtaining Repair Service (Worldwide)
Service and Maintenance Obtaining Repair Service (Worldwide) To obtain service for your instrument (in-warranty or under service contract), contact your nearest Keysight Technologies Service Center. They will arrange to have your unit repaired or replaced, and can provide warranty information where applicable. - Page 47 This information is subject to change without notice. Always refer to the Keysight website for the latest revision. © Keysight Technologies 2012-2017 Edition 7, June 1, 2017 Printed in Malaysia *U1191-90014* U1191-90014 www.keysight.com...