CE DECLARATION OF CONFORMITY
As Manufacturer:
Monarch Instrument
Division of Monarch International Inc.
15 Columbia Drive, Amherst NH 03031 USA
declares under Monarch’s sole responsibility that the product:
Pocket Tach 99
to which this declaration relates is in conformity with the following directives and
standards when installed and operated in accordance with the user manual:
Directives: EMC 89/336/EEC
MONARCH INSTRUMENT
Instruction Manual
Standards: EMC: EN61326:1997
References: Retlif Testing Laboratories, (Report No. R-4283N)
Technical Construction File PLT-0704 of July 2004
24th June 2004
Manufacturer (Amherst,NH) Alan Woolfson, VP Engineering (Authorized Signature)
Electrical Safety: IEC61010-1:2001
Laser Safety: IEC60825-1:2001
Printed in the U.S.A.
Copyright 2004 Monarch Instrument, all rights reserved
1071-4837-112
Pocket Tach 99
(PT99)
Non-Contact Tachometer
15 Columbia Drive
Amherst, NH 03031-2334 USA
Phone: (603) 883-3390
Fax: (603) 886-3300
E-mail: support@monarchinstrument.com
Website: www.monarchinstrument.com
SAFEGUARDS AND PRECAUTIONS
WARNING - This product emits a visible beam of red
LED light. Avoid exposure. The use of optical viewing
aids (binoculars, for example) may increase the ocular
hazard. (This is not a laser product.)
CAUTION - The red LED beam should not be intentionally
aimed at people or animals.
Read and follow all instructions in this manual carefully,
and retain this manual for future reference.
Do not use this instrument in any manner inconsistent
with these operating instructions or under any
conditions that exceed the environmental specifications
stated.
This instrument is not user serviceable. For technical
assistance, contact the sales organization from which
you purchased the product.
Monarch Instrument’s Limited Warranty applies. See
www.monarchinstrument.com for details.
Warranty Registration and Extended Warranty coverage
available online at www.monarchinstrument.com.
8.0OPTIONS / ACCESSORIES
T- 5 Reflective Tape, 5 foot [1.5 m] roll, ½ inch [13 mm]
wide
CC-10 Padded Nylon Carrying Case
CC-11 Latching Carrying Case for Pocket Tach and accessories
CAL-N.I.S.T. N.I.S.T. Traceable Certificate of Calibration
8
6.0BATTERIES
When displayed, replace batteries.
Remove battery
cover
Install two 1.5V
“AA” alkaline
batteries
NOTE: Both
batteries face the
same direction.
7.0CLEANING
To clean the instrument, wipe with a damp cloth using mild soapy solution.
TABLE OF CONTENTS
TABLE OF CONTENTS
1.0 OVERVIEW ............................................................................. 1
2. 0 FEATURE LOCATIONS ............................................................ 1
3.0 LCD DISPLAY SYMBOLS ....................................................... 2
4.0 PT99 SPECIFICATIONS .......................................................... 3
5. 0 NON-CONTACT MEASUREMENTS ......................................... 4
5.1 Preparation for Measurement .................................... 4
5.2 Setup ............................................................................. 5
5.3 Operation ...................................................................... 6
6. 0 BATTERIES ............................................................................. 7
7.0 CLEANING .............................................................................. 7
8.0 OPTIONS / ACCESSORIES ..................................................... 8
7
1.0OVERVIEW
The Pocket Tach 99 is a hand-held precision optical tachometer designed to
make non-contact measurements of rotational speeds from 5 to 99,999
RPM at a distance of up to 36 inches (91.44 cm) from a reflective target and
at an angle of up to 30° off perpendicular. The unit has the ability to recall
maximum and minimum values. The unit can be tripod mounted and locked
on for continuous measurements.
2.0FEATURE LOCATIONS
LCD display
Min / Scroll
Down arrow
Tripod mounting bushing
(underside)
Start / Reset button
Menu / Select
and Lock-on
button
5.3 Operation
Measure
Press and hold Lock on
Recall Max
OR
Aim
LED
Max Speed
Belt clip
1
Max / Scroll Up
arrow
Battery compartment
CAUTION - Red LED light emitted from this
aperature. (This is not a laser product.)
Recall Min
If unit Locked
on:
Power OFF
Min Speed
Resets Max/Min
Automatic after 90 seconds
OR
if unit not Locked on
6
5.2 Setup
1. Turn Power
ON
1a. To toggle Lock On/
Off
2. Enter Setup
(decimal place
selection)
3.0LCD DISPLAY SYMBOLS
Press and Hold
Locked On
NONE, 1, 2 or 3
3. Select decimal
places
4. Save and exit –
Ready to
measure
Unit will remember these settings (including lock on/off) even if turned off
and back on.
5
OR
Repeat until
desired decimal
places displayed
RPM displayed
with selected
number of decimal
places
On Target indicator. Blinks on whenever there is an input
signal. Will appear to be solid on at higher frequencies.
Low Battery icon. Indicates that the batteries are low and
need to be replaced.
Times Ten icon. Indicates that the value shown is ten times
that which is displayed.
LED Indicator. Red LED is on when this indicator is
illuminated.
Lock icon. Indicates that the unit is “Locked” on and making
continuous measurements (Lock-on mode).
2
4.0PT99 SPECIFICATIONS
Speed Range: 5 to 99,999 RPM
Accuracy: ±0.01% of reading or ±1 digit
Resolution: 0.001 RPM to 1 RPM
Operating Range: 36” (91.44 cm) up to 30 degrees off perpendicular
Display: 5 Digits, 5 Alpha-numeric LCD
Light Source: Red LED
Batteries: 2 “AA” 1.5 V (DC) alkaline included
(Note: Batteries are NOT rechargable)
Battery Life: 60 hours continuous typical with provided batteries
Dimensions: 6.92” (17.58 cm) H x 2.4” (6.10 cm) W x 1.6” (4.06 cm)
D
Weight: approx. 7 oz. (210 g)
This product is designed to be safe for indoor use under the following
conditions (per IEC61010-1).
Installation Category II per IEC 664
Pollution Degree Level II per IEC 664
Temperature: 40 °F to 105 °F (5 °C to 40 °C)
Humidity: Maximum relative humidity of 80% for temperatures up
to 88 °F (31 °C) decreasing linearly to 50% relative
humidity at 100 °F (40 °C). Humidity non-condensing.
Specifications subject to change without notice.
5.0NON-CONTACT MEASUREMENTS
5.1 Preparation for Measurement
1. Clean
Shaft
2. Apply 1/2 inch
(12.7 mm) square
T-5 Reflective tape
For Small Shafts:
As small as 1/8 inch (3.2 mm) wide
on side or radius edge
3
4
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