Checkline PK2X User Manual
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TABLE OF CONTENTS
01.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02
02.0 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03
03.0 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04
3.1 Front side
3.2 Back side
3.3 LCD display
04.0 Charging The Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 06
4.1 Battery Charger (AC-Adapter) Set-up
05.0 Operating From AC Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07
06.0 Information On Battery Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08
7.0 Operating the PK2X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09
08.0 External Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
09.0 Replacing The Flash Tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
10.0 Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
11.0 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12.0 Slowing Down The Motion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
13.0 Harmonics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
14.0 Determining An Object’s True RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
15.0 Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
16.0 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
17.0 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
18.0 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
— Please Note —
The internal battery fully recharges in about two hours.
However, for best results, please charge the battery
for at least three hours prior to its first use.
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18.0 WARRANTY
The manufacturer warrants to the original purchaser that this product is of merchantable quality and confirms in kind and quality with the descriptions and specifications thereof. Product failure or malfunction arising out of any defect in workmanship
or material in the product existing at the time of delivery thereof which manifests itself
within one year from the sale of such product, shall be remedied by repair or replacement of such product, at the manufacturer’s option, except where unauthorized repair,
disassembly, tampering, abuse or misapplication has taken place, as determined by the
manufacturer. All returns for warranty or non-warranty repairs and/or replacement
must be authorized by the manufacturer, in advance, with all repacking and shipping
expenses to the address below to be borne by the purchaser.
THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES,
EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO, THE WARRANTY OF MERCHANTABILITY AND FITNESS FOR ANY PARTICULAR
PURPOSE OR APPLICATION. ELECTROMATIC SHALL NOT BE RESPONSIBLE
NOR LIABLE FOR ANY CONSEQUENTIAL DAMAGE, OF ANY KIND OR
NATURE, RESULTING FROM THE USE OF SUPPLIED EQUIPMENT, WHETHER
SUCH DAMAGE OCCURS OR IS DISCOVERED BEFORE, UPON OR AFTER
REPLACEMENT OR REPAIR, AND WHETHER OR NOT SUCH DAMAGE IS
CAUSED BY MANUFACTURER’S OR SUPPLIER’S NEGLIGENCE WITHIN
ONE YEAR FROM INVOICE DATE.
Some State jurisdictions or States do not allow the exclusion or limitation of incidental
or consequential damages, so the above limitation may not apply to you. The duration
of any implied warranty, including, without limitation, fitness for any particular purpose and merchantability with respect to this product, is limited to the duration of
the foregoing warranty. Some states do not allow limitations on how long an implied
warranty lasts but, not withstanding, this warranty, in the absence of such limitations,
shall extend for one year from the date of invoice.
Every precaution has been taken in the preparation of this manual. The manufacturer, assumes no responsibility
for errors or omissions. Neither is any liability assumed for damages resulting from the use of information contained herein. Any brand or product names mentioned herein are used for identification purposes only, and are
trademarks or registered trademarks of their respective holders.
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1.0 INTRODUCTION
Congratulations on your purchase of a PK2X Series portable stroboscope.
You can use the Pocket-Strobe in a variety of industrial, laboratory, R&D and
academic environments.
Most commonly, the Pocket-Strobe is used to make objects which are moving at high
speeds appear to be moving in slow motion. When this occurs, you can then safely
and easily analyze their motion, check for proper registration, determine sources of
unwanted vibration, etc.
Also, you can use the Pocket-Strobe to apparently “freeze” an object’s movement.
Without making contact, you can accurately measure the object’s rotational speed
or reciprocation rate.
Unlike other portable stroboscopes, the Pocket-Strobe takes only one hand to
operate—and because it is the world’s smallest industrial stroboscope—it is very
convenient and portable.
Typical applications include use with:
■ High speed assembly lines, conveyor systems, bottling operations, etc.
■ Printing presses and cloth looms
■ Motors, fans, pumps and turbines
■ Calibration and inspection equipment
■ Monitoring laboratory & research applications
Models Available
■ PK2X: operates from Internal Rechargeable Battery or AC-Power.
■ PK2X-OT: same as above but includes optional external trigger output
■ PK2X-AC: supplied without internal battery for use with AC-Power ONLY.
— Caution —
Although objects may appear to be moving slowly or frozen,
NEVER touch any rotating or reciprocating element during testing.
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17.0 SAFETY PRECAUTIONS
WARNING: Stroboscopes give the illusion of stopped motion.
Do not touch the machine or object being observed.
The use of stroboscopes may induce an epileptic seizure in
those persons predisposed to this type of attack.
Explosion hazard. Do not use this product in the presence
of an explosive environment.
CAUTION: Do not use this product in wet or condensating environments.
Do not allow liquids or metallic objects to enter into the
ventilation holes.
Wear adequate eye protection when using this product.
Failure to do so could result in serious injury.
NOTICE: The Pocket-Strobe is designed for battery operation only.
Do not operate the instrument while it is recharging. Failure
to do so will damage the unit and void its warranty.
Recharge the battery using only the original battery charger supplied
with the PK2X.
DANGER HIGH VOLTAGE!
To reduce risk of an electronic shock, do not open the Pocket-Strobe.
To replace the flash tube, refer to the section entitled “Replacing the
Flash Tube.” There are no user-serviceable parts inside.
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2.0 CONTENTS
Your Pocket-Strobe portable stroboscope comes with the following items:
■ PK2X, PK2X-OT, PK2X-AC Stroboscope
■ Universal AC-Adapter/Charger (100–240 VAC)
■ External Triggering Jack
■ Carrying Case
■ Traceable Calibration Certificate
■ Instruction Manual
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16.0 SPECIFICATIONS
Flash Range 30 – 12,500 FPM
Flash Brightness 1200 Lux (8"/20cm distance @ 4500 fpm)
Accuracy ± 0.01% over entire range +1 LSD ± 0.04 Hz
Resolution ±1 FPM over entire range
Display 5-digit LCD
Display Update 0.5 seconds
Flash Energy 170 mJ
Flash Duration < 9 µs
Flash Tube Life 200 million flashes (at 6,000 fpm)
Flash Color Temp 6,000K – 6500K
External Trigger 0-5 volt, DTL/TTL compatible 1/8" jack
Optional Trigger Signal 0-5 volt, DTL/TTL compatible 1/8" jack
Output
(PK2X-OT Only)
Operating Time
Battery,
2 hours
AC-Power
, continuous
Battery Type Lithium Ion (Li-Ion)
Battery Charger
AC Power Required
, 100-240 VAC, 50/60 Hz
DC-Output
, 9 VDC @ 2000 mA max
Charging Time,
4-5 hours
Overcharge Protection Yes
CE Certification Yes
Weight 0.9 lbs (415 grams) including battery
Housing Material High Impact ABS Plastic
Reflector Material Aluminum
Tripod Mount 1/4-20, female insert
Operating Temp. 32 to 104° F (0 to 40° C)
Dimensions 9–3/4" x 2–3/4" x 1–3/4"
(240 x 65 x 40 mm)
Warranty 1 year
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3.0 OVERVIEW
3.1 Front Side
Lens/Bezel Assembly Removed for flash tube replacement.
LCD Display Shows flash rate, low battery indicator and
error messages.
Flash Rate Adjustment Adjusts the flash rate. The speed with which the flash
Knob rate changes is controlled by how quickly the knob is
rotated.
Quick rotation = flash rate changes in large increments.
Slow rotation = flash rate changes in small increments.
Hand Strap Used as wrist trap (if desired).
External Trigger INPUT Used for control of flash rate via external sensor
or controller.
On/Off Switch Turns on power and flashing.
DC-Input Jack for Used to recharge internal battery
AC-Adapter/Charger or operate via AC-Power.
Flash Rate Adjustment Knob
Lens / Bezel Assembly
Hand Strap
On / Off Switch
LCD Display
DC-Input for AC-Adapter / Charger
External Trigger INPUT
Output Trigger
OT Model only
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15.0 OPTIONAL & REPLACEMENT ACCESSORIES
PK2X-TBE Spare Xenon flash tube for PK2X (different tube then PK1 or PK2).
PK2X-BAT Replacement Lithium Battery Pack for PK2X.
. (Requires minor soldering for replacement.)
PK2X-AC-BC Replacement Universal AC-Adapter/Charger for PK2X and PK2X-AC
(100–240 VAC, worldwide use).
PK2-HLT Padded-vinyl & leather belt-clip holster.
PK2-PHONO Connection jack for external trigger input or optional trigger output
signal
PK2-TRI Tripod for PK2X.
PK2-BNC External Trigger Cable, 6 feet in length, 1/8" to BNC male.
PK2-8M External Trigger Cable, 6 feet in length, 1/8" male to 1/8" male.
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