UEi DL99B Instruction Manual Download Page 3

6.

Peak Hold Push-Button:

Used to capture the highest AC or DC 

inductive amp reading.

7.

Clamp Lever:

Opens and closes current clamp jaw.

8.

DC A Zero:

Used to establish the “zero reference” when preparing 

to make DC amperage measurements. Magnetic fields in the iron 
core of the jaws will be interpreted as a current reading if not 
e l e c t r o n i cally compensated when measuring DC amps.

9.

Rotary Function Switch:

Used to power the meter on and off, or 

to select on of these available measurement functions:

• Inductive AC or DC current using the clamp
• Volts AC or DC at the test lead inputs
• Resistance or continuity at the test lead inputs

10.

Off Position:

Turns the meter off. Always store your meter in the 

off position. If the meter will not be used for a month or more, 
remove the batteries.

11.

Display:

C o m m u n i cates function, range, and value information to 

the user.

12.

Common Terminal:

The black test lead is plugged into this 

terminal to supply the ground or “

l ow

” reference for voltage and 

resistance measurements.

13.

Volt / Ohm (

Ω

) Terminal:

The red lead is plugged into this 

terminal for AC/DC volts, ohms, and continuity measurements.

14.

Maximum Input Statements:

M AX 600V indicates that a 

m aximum of 600 Volts can be applied between the two terminals or 
b e tween earth ground and any terminal for CAT III, 1000 V CAT II .

LCD Display Functional Description

1.

Peak Hold:

I n d i cates the meter is displaying the maximum inductive 

AC or DC current value recorded.

2.

Continuity:

I n d i cates the meter is in the continuity measurement 

mode and will sound a tone when measuring resistance below
approximately 40 ohms.

3.

Hold:

I n d i cates the value displayed is frozen on screen (the “

DATA 

HOL D

” push-button is pressed).

4.

BAT (Low Battery Indicator):

This symbol appears when the 

b a t t e ry needs replacement.

Note: A low battery will adversely affect accura cy

C o n t rols and Indicators

1.

C l a m p :

Wrapped around a single conductor when measuring 

inductive AC or DC current. Opens to 1-1/4” (32 mm).

CAUTION!

The clamp uses a high-tension spring to close the jaw.

DO NOT

allow

fingers or objects to become pinched in the base as jaw closes. 

2.

Conductor Alignment Marks:

Used to aid in the visual  

alignment of a conductor when measuring inductive ampera g e .
Greatest accura cy is achieved when the conductor inside the clamp 
is centered at the intersection of these marks.

3.

Hand Guard:

Used as a point of reference for the operator’s safety.

WARNING!

Always keep your hands and fingers behind the hand guards when
measuring current on exposed conductors. Contact may result 
in serious safety

ground or “low” reference for all measurements.

4.

Data Hold Push-Button:

Freezes the value displayed on the 

digital read-out.

5.

Range / Worklight - Backlit display Push-Button:

Used to 

switch from low to high range in the function selected. Note that AC 
and DC voltage auto-range from 400 to 1000 volts when more than 
400 volts are applied. Push and hold for 5 seconds to activate the 
worklight and back light of the display.

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Summary of Contents for DL99B

Page 1: ...1 800 547 5740 Fax 503 643 6322 www ueitest com email info ueitest com DL99B INSTRUCTION MANUAL ...

Page 2: ...ment capabilities to 1000V AC DC Features include True RMS Work light and backlit display 1000 Amps AC and DC 1000 Volts AC and DC Resistance to 40 kilohms Continuity Push button ranging Peak hold Data hold 0 1 mV DC resolution allows use of DMM adapters 1 3 8 jaw capacity CE and UL listed CAT III Safety Notes Before using this meter read all safety information carefully In this manual the word WA...

Page 3: ...C or DC current value recorded 2 Continuity Indicates the meter is in the continuity measurement mode and will sound a tone when measuring resistance below approximately 40 ohms 3 Hold Indicates the value displayed is frozen on screen the DATA HOL D push button is pressed 4 BAT Low Battery Indicator This symbol appears when the batteryneeds replacement Note A low battery will adversely affect accu...

Page 4: ...with the best possible resolution All other functions can be switched between one of the two available ranges by pressing the RANGE push button on the side of the meter The button is located where it can be accessed using your thumb allowing you to use just one hand to control the instrument Measuring Inductive Current The inductive current measurement mode relies on the induced electromagnetic fi...

Page 5: ...asuring Resistance WARNING Turn off power and discharge all capacitors on the circuit to be tested before attempting in circuit resistance measurements Failure to do so may result in equipment or instrument damage It is critical to both the welfare of the meter and the accuracy of the measurement that you remove all power to the circuit under test when making resistance measurements If any voltage...

Page 6: ...loth DO NOT use abrasives cleaning solvents or strong detergents as they may damage the finish or affect the reliability of the structural components Battery Replacement Always use a fresh replacement battery of the specified size and type Immediately remove the old or weak battery from the meter and dispose of it in accordance with your local disposal regulations Old or defective batteries can le...

Page 7: ...Bad test lead connections Ensure test leads are fully inserted and free of corrosion or dirt DC Amps not zeroed Move meter away from power source and press DC or ZERO for 2 seconds Battery voltage Replace low battery Jaws are not closed tight Clean top and bottom mating surfaces of clamp jaws Meter reading is Rotary selector knob is offset Ensure knob is firmly unstable placed in switch position B...

Page 8: ...Standard Optional Accessories Standard Soft carrying case AC259 Test leads ATL55 Optional Plug in line splitter ASL1 Temperature measurement adapter TA2K Soft Carrying Case AC319 DL99B MAN P 7 ...

Page 9: ...mited to implied warranties of merchantability and fitness for a particular purpose are limited to the express warranty UEi shall not be liable for loss of use of the instrument or other incidental or consequential damages expenses or economic loss or for any claim or claims for such damage expenses or economic loss A purchase receipt or other proof of original purchase date will be required befor...

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