MONARCH INSTRUMENT PLS Instruction Manual

Instruction Manual

15 Columbia Drive • Amherst, NH 03031 USA

Phone: [phone] • Fax: [phone]

E-mail: [e-mail]

Website: www.monarchinstrument.com

Pocket LED Strobe

Portable LED Stroboscope

Safeguards and Precautions

1. Read and follow all instruc ons in this manual carefully, and retain this manual
for future reference.

2. Do not use this instrument in any manner inconsistent with these opera ng
instructions or under any conditions that exceed the environmental
specifi ca ons stated.

3. Certain strobe frequencies can trigger epilep c seizures in those prone to that
type of a ack.

4. Users should not stare directly at the light source.

5. Prolonged exposure to the light can cause headaches in some people.

6. Objects viewed with this product may appear to be sta onary when in fact they
are moving at high speeds. Always keep a safe distance from moving machinery
and do not touch the target.

7. There are no user serviceable parts in this instrument. Refer service to a
qualifi ed technician.

8. Do not allow liquids or metallic objects to enter the stroboscope as this may
cause permanent damage and void the warranty.

9. Do not clean this instrument with alcohol or other cleaning solvents as these
may damage the LEDs.

10. The Pocket LED Strobe contains Lithium Ion ba eries which must be disposed
of in accordance with Federal, State, & Local Regula ons. Do not incinerate.
Ba eries should be shipped to a reclama on facility for recovery of the metal
and plas c components as the proper method of waste management. Contact
distributor for appropriate product return procedures.

11. This instrument may not be safe for use in certain hazardous environments, and
serious personal injury or death could occur as a result of improper use. Please
refer to your facility’s safety program for proper precau ons.

In order to comply with EU Directive 2012/19/EU on Waste Electrical and Electronic
Equipment (WEEE): This product may contain material which could be hazardous to

human health and the environment. DO NOT DISPOSE of this product as unsorted
municipal waste. This product needs to be RECYCLED in accordance with local
regulations, contact your local authorities for more information. This product may be
returnable to your distributor for recycling - contact the distributor for details.

Monarch Instrument’s Limited Warranty applies.
See www.monarchinstrument.com for details.

Warranty Registration and Extended Warranty coverage available online at
www.monarchinstrument.com.

TABLE OF CONTENTS:

1.0 INTRODUCTION .............................................................1

2.0 USER INTERFACE ............................................................2

3.0 GETTING STARTED .........................................................3

3.1 Power ............................................................................ 3

3.2 Input/Output Connec ons ............................................ 3

4.0 MODES OF OPERATION..................................................4

4.1 Internal Strobe Mode .................................................... 5

4.1.1 Adjus ng the Flash Rate - RPM .......................... 5

4.1.2 Doubling or Halving the Flash Rate .................... 5

4.2 External Mode ............................................................... 6

4.3 Charnging Mode ............................................................ 6

5.0 MENU OPTIONS .............................................................6

5.1 MODE ............................................................................ 7

5.2 BRITE (Brightness) ......................................................... 8

5.3 SAVE .............................................................................. 8

5.4 LOAD .............................................................................. 9

5.5 UNITS ............................................................................. 9

5.6 BKLIT (Backlight) ............................................................ 9

5.7 DECPT (Decimal Point)................................................. 10

5.8 INPUT (INput Pulse Polarity) ....................................... 10

6.0 STROBE BRIGHTNESS ...................................................11

6.1 Calcula ng Blur ........................................................... 11

6.2 Brightness in Degrees of Rota on ............................... 12

6.3 Brightness in Pulse Dura on ....................................... 12

7.0 USING THE STROBOSCOPE TO MEASURE RPM ............13

8.0 BATTERIES ....................................................................15

8.1 Low Ba ery Indica on ................................................ 15

8.2 Charging the Ba eries ................................................. 15

8.3 Ba ery Disposal .......................................................... 16

9.0 SPECIFICATIONS ...........................................................17

10.0 SENSORS / ACCESSORIES and PARTS............................19

Monarch Instrument holds the following US trademarks and registrations, all
rights reserved: Track-It™, Nova-Pro®, Nova-Strobe™, Data-Chart™ ©2018

MENU

EXT

1.0 INTRODUCTION

The Pocket LED Strobe (PLS) is a rugged, portable battery powered LED
(Light Emitting Diode) stroboscope used for inspection and to stop motion to
determine the speed of rotating objects. The unit is ergonomically designed
for comfortable hand held operation or it may be mounted on a tripod using
the integral ¼ -20 UNC bushing on the underside of the unit.

1/4-20
Bushing

Charger
Jack

Battery
Cover

Input
Jack

Output
Jack

Figure 1 Pocket LED Strobe

1

2.0 USER INTERFACE

EXT

MENU

The Pocket LED Strobe has a two-line backlit alpha-numeric liquid crystal
display (LCD) and a four-key keypad that enables the user to control the
operation of the unit. The user interface is described in Figure 2 and Table 2.

Figure 2 Pocket LED Strobe User Interface

Table 2 Pocket LED Strobe User Interface

1 5-digit display used to display fl ash rate and other numeric values

2 Ba ery icon - Ac ve when the ba ery is low

3 On Target Indicator - Ac ve when the input is locked on to a target

4 Star icon - Used to indicate current selec on in the menus

5 POWER / LEFT Arrow bu on - Turns the unit on and off . Also used as LEFT

Arrow for adjustments

6 MENU bu on - Allows access to the menus. Also used to confi rm

selec ons

7 UP/DOWN bu on - Used to adjust fl ash rate and menu naviga on

8 RIGHT Arrow - Used to adjust fl ash rate and menu naviga on

9 5-digit alphanumeric display used to display units and other statuses

10 EXT icon - Ac ve when an external source is plugged into the unit

2

3.0 GETTING STARTED

The Stroboscope may be hand held or mounted on a tripod or other user
supplied bracket using the ¼-20 UNC bushing on the underside of the unit.

3.1 Power

The LED Strobe is battery powered and has internal rechargeable
batteries. The unit should be charged before use (see Section 8.0).
The actual operating time of the stroboscope depends on the fl ash pulse
width. Narrower fl ash widths increase the operating time.

To turn on the stroboscope, depress and hold the POWER button
until the display shows the rev level -

RVXxX then release the button.

The unit will start up with the same settings in which it was last left.
To turn the power off, hold the POWER button until the display
shows OFF then release it.

3.2 Input / Output Connectors

The strobe has input and output jacks on the right
side of the stroboscope. These can be used for
external triggering or synchronization (daisy­chaining two or more strobes). These jacks accept
1/8” (3.5mm) phone plugs (input - stereo, output

- mono). The input and output signals are TTL
compatible. Connection details are shown in
Figures 3 and 4 on the next page.

Input
Jack

Output
Jack

3

Signal Input

+3.2V Out to

Sensor

Common (GND)

Figure 3 Input Connector Detail (Stereo plug)

Common (GND)
+3.2V Out to
Sensor

Signal Input

Signal Output

Common (GND) Signal Output

Common (GND)

Figure 4 Output Connector Detail (Mono plug)

With no external input, the output jack provides a TTL compatible pulse
from the strobe’s internal oscillator. If an external input is applied, the
output pulse is in sync with the input pulse. This output pulse may be
used to trigger a second stroboscope synchronously to illuminate larger
areas. Many strobes can be “daisy chained”. The output jack of one
strobe is connected to the input jack of the next strobe causing all the
strobes to fl ash together and be controlled by the fi rst strobe in the chain.

Note: Cables should not exceed 8 feet or 2.5 meters in length in
order to comply with the CE rating of this product.

4.0 MODES OF OPERATION

The stroboscope has two basic modes of operation – INTERNAL and
EXTERNAL. The unit does not operate when in the Charging Mode.

4