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Contacting Keysight

To obtain service, warranty, or technical assistance, contact us at the fol-
lowing phone numbers:

United States Call Center: 800-829-4444

Canada Call Center: 877-894-4414

China Call Center: 800-810-0189

Europe Call Center: 31-20-547-2111

Japan Call Center: (81) 426-56-7832

For other countries, contact your country’s Keysight support organization. 

 

A list of contact information for other countries is available on the Keysight 
Web site: 

www.keysight.com/find/assist

Safety Notices

Safety Information

This meter is safety-certified in compliance 
with EN 61010-1 (IEC 61010-1:2001 and 
IEC/EN 61010-2-032:2002) for a CAT III 600 
V and CAT IV 300 V pollution degree 2 envi-
ronment. EMC is designed in compliance 
with IEC 61326-1:2005/EN 61326-1:2006. 
Use with standard or compatible test 
probes.

Safety Symbols

C A U T I O N

C A U T I O N

CAUTION

 notice denotes 

a hazard. It calls attention 
to an operating procedure, 
practice, or the like that, if 
not correctly performed or 
adhered to, could result in 
damage to the product or 
loss of important data. Do 
not proceed beyond a 

CAU-

TION

 notice until the indi-

cated conditions are fully 
understood and met. 

WA R N I N G

A WARNING notice 
denotes a hazard. It calls 
attention to an operating 
procedure, practice, or the 
like that, if not correctly 
performed or adhered to, 
could result in personal 
injury or death. Do not pro-
ceed beyond a WARNING 
notice until the indicated 
conditions are fully under-
stood and met.

Earth (ground) terminal

Equipment protected
throughout by double insula-
tion or reinforced insulation

Caution, risk of danger (refer 
to the instrument manual for 
specific Warning or Caution 
information)

Application around and 
removal from HAZARDOUS 
LIVE conductors is permitted

Category III 600 V 

 

overvoltage protection

Category IV 300 V 

 

overvoltage protection

CAT III

600 V

CAT IV

300 V

For further safety information details, refer to the 

Keysight U1190A Series Handheld Clamp Meter User’s Guide

.

Summary of Contents for U1191A

Page 1: ...190A Series Quick Start Guide this manual If any item is missing or damaged keep the shipping materials and contact the nearest Keysight Sales Office NOTE The descriptions and instructions in this guide apply to the U1191A U1192A U1193A and U1194A handheld clamp meters The model U1194A appears in all illustrations All related documents and software are available for download at www keysight com fi...

Page 2: ...h a suitable Phillips screwdriver 3 Remove the battery cover and observe the polarity markings 4 Insert the batteries and replace the battery cover and screw Power ON the Clamp Meter To power ON your clamp meter turn the rotary switch from the OFF position to any other posi tion Using the Wire Separator and Hook Mesh of wires or cables 1 Open the clamp jaw slightly to reveal the wire separator tip...

Page 3: ...Meter at a Glance U1190A Series Quick Start Guide 3 The Clamp Meter at a Glance Hold MaxMin button Function buttons Rotary switch Display screen Input terminals Front view Clamp jaw Jaw markings Handle Battery cover Flashlight Hand guard Rear view ...

Page 4: ...nge Press to switch between the shifted and primary function Legend Functions shown in the primary display U1194A U1193A U1192A U1191A Off AC A DC A Frequency current path AC V Frequency voltage path DC V Resistance Continuity Diode Capacitance Non contact voltage detector Temperature DC μA AC μA WARNING Remove the test leads from the measuring source or target before changing the rotary switch po...

Page 5: ...y response when pressed for Less than 1 second More than 1 second Freezes the present reading in the display Records the maximum minimum or average value Switches between the primary and shifted functions Turns the LCD backlight on or off Turns the LED flashlight on or off 1 1 The LED flashlight function is available for U1194A U1193A U1192A models only Sets the null relative mode Voltage could st...

Page 6: ...e between AC current DC current or to read the frequency of the AC current Ensure that the test leads are disconnected from the input terminals when measuring current with the clamp meter s jaw 3 1 2 4 5 Conductor WARNING CAUTION CAUTION Ensure that the clamp meter measures only one conductor at a time Measuring multiple conductors may cause inac curacy in measurement reading due to the vector sum...

Page 7: ... your clamp meter to mea sure AC voltage as shown Probe the test points and read the dis play Press to measure the fre quency of the AC voltage source DC voltage measurement Set up your clamp meter to mea sure DC voltage as shown Probe the test points and read the dis play 2 4 AC Voltage source 1 3 DC 3 Voltage source 1 2 ...

Page 8: ...meter to test for continuity as shown Press to switch to the continuity test function is shown on the display To avoid possible damage to your clamp meter or to the equipment under test dis connect the circuit power and discharge all high volt age capacitors before mea suring resistance or testing for continuity The beeper will sound and the backlight will flash when the circuit under test is shor...

Page 9: ...e capacitance measurement function This test sends a current through a semiconductor junction and then measures the junction s voltage drop A good diode allows current to flow in one direction only To avoid possible damage to the clamp meter or to the equipment under test dis connect circuit power and discharge all high voltage capacitors before measur ing capacitance Use the DC V function to conf...

Page 10: ... up to μA U1194A only Set up your clamp meter to measure low current as shown Press to switch to the current measurement function Do not connect the thermocouple to electrically live circuits Doing so will potentially cause fire or electric shock Always use the proper function range and terminals for current measurements Use the clamp jaw for currents above 600 μA 2 4 1 3 K type thermocouple probe...

Page 11: ... calls attention to an operating procedure practice or the like that if not correctly performed or adhered to could result in damage to the product or loss of important data Do not proceed beyond a CAU TION notice until the indi cated conditions are fully understood and met WARNING A WARNING notice denotes a hazard It calls attention to an operating procedure practice or the like that if not corre...

Page 12: ...This information is subject to change without notice Keysight Technologies 2011 2015 Edition 2 January 2015 U1191 90001 U1191 90001 www keysight com ...

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