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Keysight U1190A Series User Manual

Handheld clamp meters
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Keysight U1190A Series
Handheld Clamp Meters
User's Guide

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Summary of Contents for Keysight U1190A Series

  • Page 1 Keysight U1190A Series Handheld Clamp Meters User’s Guide...

  • Page 2: Safety Information

    Federal DOCUMENT IS PROVIDED “AS IS,” Acquisition Regulation (“FAR”) 2.101. AND IS SUBJECT TO BEING © Keysight Technologies 2011 - 2017 Pursuant to FAR 12.212 and 27.405-3 CHANGED, WITHOUT NOTICE, IN No part of this manual may be and Department of Defense FAR FUTURE EDITIONS.

  • Page 3: Safety Symbols

    600 A Equipment protected throughout by Category III 600 V overvoltage CAT III double insulation or reinforced 600 V protection insulation Category IV 300 V overvoltage CAT IV Caution, risk of electric shock 300 V protection Keysight U1190A Series User’s 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 Do not operate the meter with the battery cover or portions of the cover removed or loosened. – To avoid false readings, which may lead to possible electric shock or personal injury, replace the battery as soon as the low battery indicator appears and flashes. Keysight U1190A Series User’s Guide...
  • Page 6 – 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 User’s Guide...

  • Page 7: Measurement Category

    Measurement Category The Keysight U1190A Series Handheld Clamp Meters have a safety rating of CAT III, 600 V and CAT IV, 300 V. Measurement CAT I are for 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 8: 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 9: Regulatory Markings

    The CSA mark is a registered substance elements are expected to trademark of the Canadian leak or deteriorate during normal use. Standards Association. Forty years is the expected useful life of the product. Keysight U1190A Series User’s Guide...

  • Page 10: 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 11: Table Of Contents

    Cleaning Your Clamp Meter ........38 Keysight U1190A Series User’s Guide...
  • Page 12 ........74 Characteristics and Specifications Keysight U1190A Series User’s Guide...
  • Page 13 Hold display ....... . .74 Keysight U1190A Series User’s Guide...
  • Page 14 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U1190A Series User’s Guide...
  • Page 15 Terminal connections for different measuring functions ....... . .36 Keysight U1190A Series User’s Guide...
  • Page 16 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U1190A Series User’s Guide...

  • Page 17: Introduction

    Keysight U1190A Series Handheld Clamp Meters User’s Guide Introduction About This Manual Preparing Your Clamp Meter Your Clamp Meter in Brief Cleaning Your Clamp Meter This chapter teaches you how to set up your clamp meter for the first time. An...

  • Page 18: About This Manual

    Introduction About This Manual The descriptions and instructions in this manual apply to the Keysight U1191A, U1192A, U1193A, and U1194A handheld clamp meters (hereafter referred to as the clamp meter). The model U1194A appears in all illustrations. Documentation map The following manuals and software are available for your clamp meter. For the very latest version, please visit our website at: http://www.keysight.com/find/...

  • Page 19: Preparing Your Clamp Meter

    U1190A Series Quick Start Guide. 3 For any question or problems, refer to the Keysight contact numbers on the back of this manual. Installing the batteries Your clamp meter is powered by two 1.5 V AAA alkaline batteries (included with...

  • Page 20: Figure 1-1 Installing The Batteries

    Figure 1-1 Installing the batteries The battery level indicator in the lower left-hand corner of the display indicates the relative condition of the batteries. Table 1-1 describes the various battery levels the indicator represents. Keysight U1190A Series User’s Guide...

  • Page 21: Table 1-1 Table

    To avoid instruments being damage from battery leakage: CAUTION – Always remove dead batteries immediately. – Always remove the batteries and store them separately if the clamp meter is not going to be used for a long period. Keysight U1190A Series User’s Guide...

  • Page 22: Turning On Your Clamp Meter

    To power ON your clamp meter, turn the rotary switch from the OFF position to any other position. Figure 1-2 Powering on the clamp meter To power OFF your clamp meter, turn the rotary switch to the OFF position. Keysight U1190A Series User’s Guide...

  • Page 23: Automatic Power-Off (Apo)

    (on the U1191A model) to activate the LCD backlight. Press again to deactivate the LCD backlight. To conserve battery life, a user-adjustable timer controls how long the backlight NOTE stays on. The default timer period is 15 seconds. Keysight U1190A Series User’s Guide...

  • Page 24: Enabling The Flashlight

    As with any source of bright light, prolonged exposure can damage the eye. To conserve battery life, a user-adjustable timer can be set to control how long NOTE the flashlight stays on. This function is disabled by default. Keysight U1190A Series User’s Guide...

  • Page 25: Alerts And Warnings During Measurement

    Hazardous voltage indication The clamp meter will also display the hazardous voltage ( ) symbol as an early precaution when the measured voltage is equal to or greater than 30 V in all voltage measurement modes. Keysight U1190A Series User’s Guide...

  • Page 26: Power-On Options

    Cycle the clamp meter’s power to exit the Setup menu. Enters the unit selection menu for temperature measurements (U1194A only). “Changing the default temperature unit” on page 60 for more information. Cycle the clamp meter’s power to exit this menu. Keysight U1190A Series User’s Guide...

  • Page 27: Your Clamp Meter In Brief

    Introduction Your Clamp Meter in Brief Dimensions Front view 77.14 mm 77.14 mm Keysight U1190A Series User’s Guide...
  • Page 28 Introduction Rear view 238 mm 225 mm Keysight U1190A Series User’s Guide...

  • Page 29: Overview

    Introduction Overview Front panel The front panel parts of your clamp meter are described in this section. Clamp jaw Jaw markings Hold/MaxMin button Rotary switch Display screen Function buttons Input terminals Figure 1-3 Front panel Keysight U1190A Series User’s Guide...

  • Page 30: Figure 1-4 Rear Panel

    Introduction Rear panel The rear panel parts of your clamp meter are described in this section. Flashlight Hand guard Handle Battery cover Figure 1-4 Rear panel Keysight U1190A Series User’s Guide...

  • Page 31: Rotary Switch

    – DC A: DC current measurement – AC V: AC voltage measurement – DC V: DC voltage measurement – AC μA: AC current measurement (up to microamperes) – DC μA: DC current measurement (up to microamperes) Keysight U1190A Series User’s Guide...

  • Page 32: Table

    Frequency (voltage path) page 64 DC V page 46 Resistance page 48 Continuity page 50 Diode page 53 Capacitance page 57 Non-contact voltage detector page 68 Temperature page 59 DC μA page 62 AC μA Keysight U1190A Series User’s Guide...

  • Page 33: Keypad

    23 Turns the LCD backlight on or off. Turns the LED flashlight on or off. page 24 U1191A only: page 23 Turns the LCD backlight on or off. Sets the null/relative mode. page 71 Keysight U1190A Series User’s Guide...

  • Page 34: Display Screen

    53 Audible continuity test selected page 50 page 40 DC (direct current) indication page 46 page 40 AC (alternating current) indication page 44 Battery capacity indication page 21 APO (Auto Power-Off) enabled page 23 Keysight U1190A Series User’s Guide...

  • Page 35: Measurement Units Display

    Farad units for capacitance measurement Ω, kΩ, MΩ Ohm units for resistance measurement Hz, kHz, MHz Hertz units for frequency measurement °C Degree Celsius, unit for temperature measurement °F Degree Fahrenheit, unit for temperature measurement Keysight U1190A Series User’s Guide...

  • Page 36: Input Terminals

    Overload protection AC V Frequency 600 Vrms (voltage path) DC V Diode Capacitance Resistance 600 Vrms for short Continuity circuit current <0.3 A Non-contact voltage detector Temperature DC μA CAT III 600 V AC μA Keysight U1190A Series User’s Guide...
  • Page 37 Introduction Table 1-7 Terminal connections for different measuring functions (continued) Legend Functions U1194A U1193A U1192A U1191A Input terminals Overload protection AC A DC A 600 Arms Frequency (current path) Keysight U1190A Series User’s Guide...

  • Page 38: Cleaning Your Clamp Meter

    2 Turn the clamp meter over, and shake out any dirt that may have accumulated in the terminals. Wipe the case with a damp cloth and mild detergent — do not use abrasives or solvents. Wipe the contacts in each terminal with a clean swab dipped in alcohol. Keysight U1190A Series User’s Guide...
  • Page 39 Keysight U1190A Series Handheld Clamp Meters User’s Guide Making Measurements Measuring AC or DC Current Measuring AC Voltage Measuring DC Voltage Measuring Resistance Testing for Continuity Testing Diodes Measuring Capacitance Measuring Temperature Measuring AC or DC Current (up to µA) Measuring Frequency This chapter describes how to take measurements with your clamp meter.

  • Page 40: Making Measurements

    Figure 2-2. Clamp the wire/cable, and read the display. Press to measure the frequency of the AC current source (U1192A, U1193A, NOTE and U1194A models only). See “Measuring Frequency” on page 64 to learn more. Keysight U1190A Series User’s Guide...

  • Page 41: Figure 2-1 Ac Current Display

    Making Measurements Figure 2-1 AC current display Conductor Figure 2-2 Measuring AC current Keysight U1190A Series User’s Guide...

  • Page 42: Figure 2-3 Wire Separator And Hook Design

    Use the wire separator and hook to avoid touching live wires or cables without the necessary insulation protection or powering off the voltage or current source. Follow the instructions below to use the wire separator and hook feature. Wire separator tip Hook Figure 2-3 Wire separator and hook design Keysight U1190A Series User’s Guide...
  • Page 43 Mesh of wires or cables 2 Separate the wire or cable by hooking it in the clamp jaw securely and pulling it back. 3 Close the clamp jaw to secure the wire or cable, and read the measurement. Keysight U1190A Series User’s Guide...

  • Page 44: Measuring Ac Voltage

    Chapter 4, “Characteristics and Specifications”. Figure 2-4 AC voltage display Press to measure the frequency of the AC voltage source (U1192A, U1193A, NOTE and U1194A models only). See “Measuring Frequency” on page 64 to learn more. Keysight U1190A Series User’s Guide...

  • Page 45: Figure 2-5 Measuring Ac Voltage

    Making Measurements Voltage source Figure 2-5 Measuring AC voltage Keysight U1190A Series User’s Guide...

  • Page 46: Measuring Dc Voltage

    This clamp meter displays DC voltage values as well as their polarity. Negative NOTE DC voltages will return a negative sign on the left of the display. Figure 2-6 DC voltage display Keysight U1190A Series User’s Guide...

  • Page 47: Figure 2-7 Measuring Dc Voltage

    Making Measurements Voltage source Figure 2-7 Measuring DC voltage Keysight U1190A Series User’s Guide...

  • Page 48: Measuring Resistance

    – The resistance function can produce enough voltage to forward-bias silicon diodes or transistor junctions, causing them to conduct. Keysight U1190A Series User’s Guide...

  • Page 49: Figure 2-9 Measuring Resistance

    Making Measurements Resistor Figure 2-9 Measuring resistance Keysight U1190A Series User’s Guide...

  • Page 50: Testing For Continuity

    The audible and visual alert allows you to perform quick continuity tests without having to watch the display. Press to switch between resistance measurement, or continuity test. See Figure 2-12 to learn more. Figure 2-10 Open continuity display Figure 2-11 Closed continuity display Keysight U1190A Series User’s Guide...
  • Page 51 4 Press to save the changes, or press to discard the changes and proceed to the next Setup item. 5 Cycle the clamp meter’s power to exit the Setup menu. Keysight U1190A Series User’s Guide...

  • Page 52: Figure 2-12 Testing For Continuity

    Making Measurements OPEN CLOSED Figure 2-12 Testing for continuity Keysight U1190A Series User’s Guide...

  • Page 53: Testing Diodes

    NOTE 1.8 V. The forward-bias of a typical diode is within the range of 0.3 V to 0.8 V; however, the reading can vary depending on the resistance of other pathways between the probe tips. Keysight U1190A Series User’s Guide...

  • Page 54: Figure 2-14 Open Diode Display

    – A diode is considered shorted if the clamp meter displays approximately 0 V in both forward and reverse-bias modes, and the clamp meter beeps continuously. – A diode is considered open if the clamp meter displays in both forward- and reverse-bias modes. Figure 2-14 Open diode display Keysight U1190A Series User’s Guide...

  • Page 55: Figure 2-15 Testing Forward-Bias Diode

    Making Measurements Forward-bias diode Figure 2-15 Testing forward-bias diode Keysight U1190A Series User’s Guide...

  • Page 56: Figure 2-16 Testing Reverse-Bias Diode

    Making Measurements Reverse-bias diode Figure 2-16 Testing reverse-bias diode Keysight U1190A Series User’s Guide...

  • Page 57: Measuring Capacitance

    For measuring capacitance values greater than 1000 μF, discharge the capacitor NOTE first, then select a suitable range for measurement. This will speed up the measurement time and also ensure that the correct capacitance value is obtained. Keysight U1190A Series User’s Guide...

  • Page 58: Figure 2-18 Measuring Capacitance

    Making Measurements Capacitor Figure 2-18 Measuring capacitance Keysight U1190A Series User’s Guide...

  • Page 59: Measuring Temperature

    – The clamp meter uses the type-K thermocouple probe (included in the NOTE standard shipped items of a U1194A model) for measuring temperature. – Shorting the terminal to the terminal will display the temperature at the clamp meter’s terminals. Figure 2-19 Temperature display Keysight U1190A Series User’s Guide...
  • Page 60 – Place the clamp meter in the operating environment for at least 1 hour as the clamp meter is using a non-compensation transfer adapter with miniature thermal probe. Keysight U1190A Series User’s Guide...

  • Page 61: Figure 2-20 Measuring The Surface Temperature

    Making Measurements Heat source K-type thermocouple probe Figure 2-20 Measuring the surface temperature Keysight U1190A Series User’s Guide...

  • Page 62: Measuring Ac Or Dc Current (Up To Μa)

    This measurement function is applicable for the U1194A model only. Set up your clamp meter to measure AC or DC current (up to μA) as shown in Figure 2-22. Probe the test points, and read the display. Figure 2-21 DC current display Keysight U1190A Series User’s Guide...

  • Page 63: Figure 2-22 Measuring Ac/Dc Current (Up To Μa)

    Making Measurements Voltage source LOAD Voltage source LOAD Figure 2-22 Measuring AC/DC current (up to µA) Keysight U1190A Series User’s Guide...

  • Page 64: Measuring Frequency

    + Width – Width Period – The clamp meter measures the frequency of a voltage or current signal by counting the number of times the signal crosses a threshold level within a specified period of time. Keysight U1190A Series User’s Guide...

  • Page 65: Figure 2-23 Frequency Display

    Making Measurements Figure 2-23 Frequency display Conductor Figure 2-24 Measuring frequency Keysight U1190A Series User’s Guide...
  • Page 66 Making Measurements THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U1190A Series User’s Guide...

  • Page 67: Clamp Meter Features

    Keysight U1190A Series Handheld Clamp Meters User’s Guide Clamp Meter Features Detecting AC Voltage Presence (Vsense) Making Relative Measurements (Null) Capturing Maximum and Minimum Values (Max.Min) Freezing the Display (Hold) The chapter describes the additional features available in your clamp meter.

  • Page 68: Detecting Ac Voltage Presence (Vsense)

    If the presence of AC voltage is sensed, the clamp meter’s beeper will sound. NOTE The audible alert allows you to easily sense nearby AC voltage presence. No resolution and accuracy of voltage measurement will be d isplayed in this mode. Keysight U1190A Series User’s Guide...

  • Page 69: Figure 3-1 Vsense (High Sensitivity) Display

    AC voltage is recessed within the connector itself. Press to toggle the Vsense detector’s sensitivity between Hi.SE (high sensitivity) or Lo.SE (low sensitivity). Figure 3-1 Vsense (high sensitivity) display Figure 3-2 Vsense (low sensitivity) display Keysight U1190A Series User’s Guide...

  • Page 70: Figure 3-3 Detecting Voltage Presence

    Clamp Meter Features Voltage source Figure 3-3 Detecting voltage presence Keysight U1190A Series User’s Guide...

  • Page 71: Making Relative Measurements (Null)

    Use the Null function to zero-adjust the display. – For DC voltage measurements, the thermal effect will influence the accuracy of the measurements. Short the test leads and press when the displayed value is stable to zero-adjust the display. Keysight U1190A Series User’s Guide...

  • Page 72: Capturing Maximum And Minimum Values (Max.min)

    3 Press for more than 1 second to disable the Max.Min function. Figure 3-5 Max.Min display If an overload is recorded, the averaging function will be stopped. is shown in NOTE place of the average value. Keysight U1190A Series User’s Guide...
  • Page 73 The true average value displayed is the arithmetic mean of all readings taken since the start of recording. The average reading is useful for smoothing out unstable inputs, calculating power consumption, or estimating the percentage of time a circuit is active. Keysight U1190A Series User’s Guide...

  • Page 74: Freezing The Display (Hold)

    Clamp Meter Features Freezing the Display (Hold) To freeze the display for any function, press the key. Figure 3-6 Hold display Press again to disable this function. Keysight U1190A Series User’s Guide...

  • Page 75: Characteristics And Specifications

    Keysight U1190A Series Handheld Clamp Meters User’s Guide Characteristics and Specifications For the characteristics and specifications of the U1190A Series Handheld Clamp Meters, refer to the datasheet at http://literature.cdn.keysight.com/litweb/pdf/5990-8646EN.pdf.
  • Page 76 Characteristics and Specifications THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U1190A Series User’s Guide...
  • Page 77 This information is subject to change without notice. Always refer to the Keysight website for the latest revision. © Keysight Technologies 2011 - 2017 Edition 8, June 1, 2017 Printed in Malaysia *U1191-90003* U1191-90003 www.keysight.com...

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