XTRONIC PX-70 User manual

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TABLE OF CONTENTS
Product Specifications......................................................2
Package Contents .............................................................3
Safety Precautions ............................................................4
Unit Diagram ......................................................................5
Features / Modes ...............................................................6
Voltage Regulation.................................................................. 6
Current / Amperage Regulation .............................................. 6
Adjustable USB Interface........................................................ 6
Constant Voltage (CV) Mode .................................................. 6
Constant Current (CC) Mode .................................................. 6
Continuous Overcurrent Protection (CONT.OCP)................... 7
Once Overcurrent Protection (ONCE.OCP)............................ 7
Lock / Unlock........................................................................... 7
5V Limit Mode ......................................................................... 8
Over Temperature Protection (OTP) ....................................... 8
Over Power Protection (OPP)................................................. 8
Memory Recall Buttons........................................................... 8
Initial Set-up.......................................................................9
Operating Instructions......................................................9
Maintenance.....................................................................10
Replacing the Fuse .......................................................10
Troubleshooting ..............................................................11
Warranty ...........................................................................12
Contact Information ........................................................14

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SPECIFICATIONS
Model XTR-PX-70
Power Consumption 160 Watts
Power Cord USA Type B - 3-pin Grounded Plug
Input Voltage AC 110V 60Hz
Dimensions 7.25 L x 4.5” W x 9.0” H
Weight 9.5 lbs
Working Environment 32°F ~ 104°F / 0°C ~ 40°C
Storage Environment -4°F ~ 158°F / -20°C ~ 70°C
Storage Humidity 35% - 45%
Constant Output Voltage
Range
0-30V Continuously Adjustable
Voltage Resolution 0.01V
Voltage Output Accuracy ±0.02V
Constant Output Current
Range
0-5A Continuously Adjustable
Current Resolution 1 mA
Current Output Accuracy <0.1 +3 mA
Recovery Time 100uS
Ripple < 3mArms
Read Back Accuracy 1 mA
Temperature Coefficient <0.1% +5mA
Read Back Temperature
Coefficient
<100 ppm + 5 mA
Output Current Protection
(OCP) Current Value
0-5A
OCP Accuracy 0.01A
Signal test frequency
range
30~1800MHZ (including cell phone
signal test)

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PACKAGE CONTENTS
• 160 Watt Main DC Power Supply Meter
• 3 High Quality Stackable Banana Plug to Alligator Clip Leads
(positive, negative, & ground)
• 2 High Quality Banana Plug to Precision Probes (positive &
negative)
• 2 High Quality Stackable Banana Plug to Hook/Plunger Leads
(positive & negative)
• Magnetic Project Work Mat / Quick Reference Operation Guide
• User Manual
• Power cord

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SAFETY PRECAUTIONS
1. Always use a grounded outlet for the unit to avoid shock.
2. Always turn the power off and unplug the unit when not in use.
3. Always ensure the fan and intakes are clear of obstruction and is
not blocked/obstructed in any way.
4. Do not modify the unit in any way.
5. When replacing consumable parts, only use approved
manufacturer parts.
6. When replacing the fuse, always unplug the unit before changing
the fuse. Always replace with a comparable fuse - do not replace
with something different.
7. Do not get the unit wet or use when your hands are wet.

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PANEL DIAGRAM - FRONT
5V/LIMIT
CONT.OCP
ONCE.OCP
C.C
C.V
LOCK
M1 M4M3M2
CONT.OCP ONCE.OCP
1
2
3
4
5
67
8
9
10
11
12
13
14
15
16
1. Voltage Display Meter
2. Current / Amperage Display
Meter
3. Memory Recall Buttons
4. Voltage Regulation Knob
5. Power Switch
6. USB Output
7. Power Output Terminals
(Positive, Negative, & Ground)
8. Current Adjusting Knob
9. Continuous Overcurrent
Protection Button
10. Single Overcurrent Protection
Button
11. Lock Indicator
12. Constant Voltage Output
Indicator
13. Constant Current Output
Indicator
14. Single Overcurrent Production
Indicator
15. Continuous Overcurrent
Protection Indicator
16. 5V Output Limit Indicator

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UNIT DIAGRAM - BACK
1
2
3
4
1. Fan
2. 5V/30V Switch
3. AC Input Receptical
4. Fuse
FEATURES / MODES
Voltage Regulation
Briefly press the Voltage (V) knob to select the digit that you want
to adjust, the digit will blink when it is selected. Then turn the
Voltage knob to adjust the voltage to the required setting.
Current/Amperage Regulation
Briefly press the Amperage (A) knob to select the digit that you
want to adjust, the digit will blink when it is selected. Then turn the
Amperage knob to adjust the amps to the required setting.
Adjustable USB Interface
The USB port is also regulated by the voltage and current settings
on the unit. Make sure to set a safe voltage and current/amperage
when using this USB port. To use the USB port, plug in an USB
adapter to the unit and the other end into the device that requires
power.
Constant Voltage (CV) Mode
This is the default mode for the power supply. Once the voltage
and current limits have been set, the device that is being powered
is connected and the power supply is turned on, the unit will
output the voltage limit while varying the amps, the C.V indicator
will be lit. If the unit reaches the amperage limit that is set, it will
automatically switch to constant current (CC) mode.

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Constant Current (CC) Mode
In order for the unit to switch to CC Mode, the Amperage limit
needs to be set lower than what is needed based on the Voltage
limit set. Once the device being powered pulls enough current /
amps to hit the set limit, the unit will automatically switch to CC
Mode, the C.C indicator will be lit and the Volt will start to vary
while keeping the Amps constant. CC Mode will not be triggered if
either of the OCP features are activated.
Continuous Overcurrent Protection
This is the most commonly used mode of protection. In CONT.OCP
mode the output will be shut down when the current draw hits the
limit set by the user. The unit will continue to test this limit after the
protection has been triggered keeping the output at zero until the
load is removed. Once the device is disconnected from the leads
the voltage and amperage are immediately restored and output
automatically resumes.
Press the CONT.OCP button on the front of the unit to enable this
feature, the unit will beep once, and the LED will indicate that the
feature is enabled.
When the current draw reaches the value set by the user the
output will halt, the display panel will show all zeros for both
voltage & amperage and the unit will beep continuously for two
seconds to alert the user that the CONT.OCP has been triggered.
Once CONT.OCP has been triggered, the leads will need to be
disconnected from the device to remove the load and restore the
output. At that time the voltage and current regulations will be able
to be adjusted.
Once Overcurrent Protection
In ONCE.OCP mode the output will be shut down when the current
draw hits the limit set by the user.
Press the ONCE.OCP button on the front of the unit to activate this
protection mode, the unit will beep once, and the LED will indicate
that the feature is enabled.
While in this mode, the output will be shut down when the current
draw reaches the value set by the user. The display panel will
show all zeros for both voltage & amperage and the unit will beep
continuously for 2 seconds to alert the user that the ONCE.OCP
has been triggered.
Once this has been triggered, disconnect the leads from the device

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to remove the load and press the ONCE.OCP button. The voltage
and current regulations will be restored and output will resume.
LOCK / UNLOCK
Press and hold the Voltage knob for two seconds to lock all of the
settings currently programed in the unit. Only the Power button will
still function when the unit is locked. To unlock the unit, press and
hold the Voltage knob for two seconds again.
5V Limit Mode
This unit comes with an option to limit the voltage output to 5V
when working on delicate components. To switch the available
voltage output from 30V to 5V, ensure the unit is powered off and
slide the switch on the back of the unit to read 5V. When the unit
is powered back on, the 5V indicator on the front of the unit will be
lit and the voltage output will not be able to be set above 5V. When
working with sensitive low voltage parts, this can help to ensure
they are not overloaded.
Over Temperature Protection (OTP)
The unit is equipped with a self-regulating fan to ensure that
the unit does not overheat. The fan will not run under normal
circumstances, however if the unit temperature rises to a point that
the fan is needed it will automatically kick in to dissipate the heat
from the unit. It is important that the back of the unit has plenty of
space behind it for this to work effectively.
OVER POWER PROTECTION (OPP)
The unit also has Over Power Protection.
MEMORY RECALL BUTTONS
This unit has 4 memory recall buttons that can be programmed
so you can save commonly used settings. The voltage, amps,
continuous/once output current protection (CONT.OCP), and
constant current/voltage settings will all be saved in the memory
button.
To save the current settings of the unit to a memory button, press
and hold the memory button of choice for two seconds, the unit will
beep indicating it has saved the settings.
To choose a preset, simply press the memory recall button briefly
and the settings on the unit will update automatically.

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INITIAL SET-UP
1. Open the package and check that all parts are present and are
not damaged. If anything is missing or damaged, please contact
X-Tronic immediately for assistance (see back cover for contact
information).
2. Plug the power cord into the back of the unit.
3. Plug the 3-Prong AC cord into a 110/120V grounded outlet to
prevent electric shock or injury.
OPERATING INSTRUCTIONS
1. With the unit OFF - Determine if the component / device
being powered is delicate and sensitive to high voltage. If it is,
considering switching the 5V switch on the back of the unit to
limit the voltage to 5V to prevent damage while powering the
component/device.
2. Press the power switch on the bottom left front side of the unit to
turn it on - do NOT have any component / device hooked up to
receive power yet.
3. Set the Voltage and Amperage Limits required for the type of
component /device being powered.
4. Determine if OCP (Continuous or Once) would be helpful - if so,
press the respective button on the front of the unit, the indicator
light with show that the appropriate OCP is active.
5. Now that the unit is set, turn the power off (the settings will be
retained when the unit is powered back on).
6. Attach the appropriate leads to the unit by plugging the banana
plugs into the output power terminals and attaching the other end
to the component / device.
7. Press the power button to turn the unit back on and start the power
flow.

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MAINTENANCE
1. Keep the unit plugged into a GROUNDED outlet at all times during
operation.
2. When the unit is not in use, ensure the unit is powered OFF and
unplugged.
3. Keep the unit and all components free from dirt, debris, and liquid
at all times.
4. Make sure the power cord is plugged in correctly and safely off the
floor to prevent accidents.
5. Keep all cords in the immediate workspace and avoid letting them
hang off the side of a table or bench top.
6. Wipe the unit down, when needed, with a dry, static-free cloth.
REPLACING THE FUSE
Fuse
Extra Fuse
Compartment
Fuse Clip
Fuse
Compartment
1. Unplug the power cord from the outlet.
2. Remove the fuse compartment by pressing a flat head screwdriver
into the divot just inside the power socket under the fuse
compartment.
3. The fuse that is in use will be in the fuse clip, the extra fuse is
below it. If the fuse is damaged, replace it with the new fuse.
4. Insert the fuse compartment back into the unit.

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TROUBLESHOOTING
ISSUE POSSIBLE SOLUTIONS
Unit does not
have power
• Ensure that the outlet is functional.
• Check to see if fuse needs to be replaced.
(See page 10)
• Contact X-Tronic International for technical
assistance - Contact information on back of manual
Hear a
“clicking”
noise
• A relay switch has been activated - the clicking
indicates that the unit is being overloaded
-Back down on the voltage or increase current/
amperage to lessen the load
Unit is not
outputting
power
• Ensure leads are disconnected from the device.
• ONCE.OCP may be triggered, press the ONCE.OCP
button once to restore power
• Power unit down and restart unit.
Unit will not
go into CC
(Constant
Current) Mode
• The current / amperage limit set on the unit may be
too high. (See C.C Mode on page 10)

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THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. YOU
MAY ALSO HAVE OTHER RIGHTS, AS THEY VARY FROM STATE TO STATE.
THIS LIMITED WARRANTY CAN ALSO BE FOUND ON OUR WEBSITE AT
WWW.XTRONICUSA.COM/SUPPORT/WARRANTY.
WE WARRANT THAT DURING THE WARRANTY PERIOD, THE PRODUCT
WILL BE FREE FROM DEFECTS IN MATERIALS AND WORKMANSHIP.
WE LIMIT THE DURATION AND REMEDIES OF ALL IMPLIED
WARRANTIES, INCLUDING WITHOUT LIMITATION THE WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO THE
DURATION OF THIS EXPRESS LIMITED WARRANTY.
SOME STATES HAVE DIFFERENT LIMITATIONS ON HOW LONG AN
IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY
TO YOU.
OUR RESPONSIBILITY FOR DEFECTIVE GOODS IS LIMITED TO REPAIR,
REPLACEMENT OR REFUND AS DESCRIBED BELOW IN THIS WARRANTY
STATEMENT.
WHO MAY USE THIS WARRANTY?
X-Tronic International Inc. located at 2159 Magnum Circle, Lincoln, Nebraska
68522 (“we”) extend this limited warranty only to the consumer who originally
purchased the product in the United States, the District of Columbia or Canada
(“you”). It does not extend to (a) any subsequent owner or other transferee of
the product, (b) any product shipped outside of the United States, the District of
Columbia or Canada, or (c) anyone who may have purchased it from someone
other than X-Tronic International Inc.. Proof of purchase is required for in-
warranty service. We recommend you promptly register this product on our
website (www.XTronicUSA.com) to facilitate verification of the date of the original
purchase. Keep the product manual and your sales receipt together for future
reference.
WHAT DOES THIS WARRANTY COVER?
This limited warranty covers defects in materials and workmanship of the product
for the Warranty Period as defined below. In addition, during the Initial Warranty
Period, this limited warranty also covers defects occurring in the initial shipment
of the product to you.
3-YEAR LIMITED
WARRANTY

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WHAT DOES THIS WARRANTY NOT COVER?
This limited warranty during the Warranty Period does not cover any damage due
to: (a) improper use; (b) failure to follow the product instructions or to perform any
preventive maintenance; (c) modifications; (d) unauthorized repair; (e) normal
wear and tear that comes with household use; or (f) external causes such as
accidents, abuse, or other actions or events beyond our reasonable control. It
also does not cover consumable parts.
WHAT IS THE PERIOD OF COVERAGE?
This limited warranty starts on the date of your purchase and lasts for 3 years
(“The Warranty Period”), which shall be divided into two periods: (1) the first
30 days from the date of your purchase (“Initial Warranty Period”); and (2) the
remainder of the 3 year period after the Initial Warranty Period has expired (the
“Remainder Warranty Period”). The Warranty Period is not extended if we repair
or replace the product. We may change the availability of this limited warranty at
our discretion, but any changes will not be retroactive.
WHAT ARE YOUR REMEDIES UNDER THIS WARRANTY?
With respect to any defective product during the Initial Warranty Period, we will,
in our sole discretion either (a) replace such product (or the defective part) free of
charge, or (b) refund the purchase price of such product.
With respect to any defective product during the Remaining Warranty Period,
we will repair such product free of charge and provide a full-service inspection
of your product. You will be responsible for all shipping and handling fees to and
from our facility.
HOW DO YOU OBTAIN WARRANTY SERVICE?
To obtain warranty service, you must call 844-861-4762 or email us at Info@
XTronicUSA.com during the Warranty Period to open a service request. Proof of
purchase will be required to open a service request.
LIMITATION OF LIABILITY
THE REMEDIES DESCRIBED ABOVE ARE YOUR SOLE AND EXCLUSIVE
REMEDIES AND OUR ENTIRE LIABILITY FOR ANY BREACH OF THIS
LIMITED WARRANTY. OUR LIABILITY SHALL UNDER NO CIRCUMSTANCES
EXCEED THE ACTUAL AMOUNT PAID BY YOU FOR THE DEFECTIVE
PRODUCT, NOR SHALL WE UNDER ANY CIRCUMSTANCES BE LIABLE FOR
ANY CONSEQUENTIAL, INCIDENTAL, SPECIAL OR PUNITIVE DAMAGES OR
LOSSES, WHETHER DIRECT OR INDIRECT.
SOME STATES HAVE DIFFERENT LIMITATIONS OF LIABILITY AND
EXCLUSIONS, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT
APPLY TO YOU.

QUESTIONS, PROBLEMS
OR COMPLIMENTS?
Thank You for purchasing this
X-Tronic International Product!
We are grateful for your business!
All of our X-Tronic International Products are inspected
then sealed with our NEW Product Seal prior to
shipment. Our goal is to ensure Quality, Completeness,
and Satisfaction for your order.
For Any Questions, Problems, or
Compliments please call or email us.
If you would like to shop for other X-Tronic International Products
Please visit our website
www.XTronicUSA.com
Toll Free: 844-861-4762
[e-mail]
Our Business Hours are:
Monday - Thursday: 8am - 4pm CST
Friday: 8am - Noon CST
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